Title: Casper to Helena cheap flights from $319 (CPR to HLN) - Expedia.com ![](https://images.trvl-media.com/place/6115502/23c3c7c5-fe1b-40e6-b670-7f248391f3ad.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Bob Webster ![](https://images.trvl-media.com/place/6115502/23c3c7c5-fe1b-40e6-b670-7f248391f3ad.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $319 Cheap Flights from Casper (CPR) to Helena (HLN) [View $319 flight on Mon, Apr 20, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:318.50&airProductToken=AQprCjQI1YIBEgQ1NTEzGOKLASCDaSit7IoDMITtigM4VkAAWAFqB0VDT05PTVlyCFZBQTRBREVOCjMI1YIBEgQ1Mzg4GINpIOdqKKDvigMwm_CKAzhWQAFYAWoHRUNPTk9NWXIIVkFBNEFERU4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ## Popular airlines from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Casper to Helena (CPR-HLN) Prices were available within the past 7 days and start at $319 for one-way flights and $303 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Mon, Apr 27 CPR Casper HLN Helena $303 Roundtrip found 10 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:302.80&airProductToken=AQpxCjcI1YIBEgQ1ODE4GOKLASCDaSiR7YoDMOvtigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTRBREJOCjYI1YIBEgQ1Mzg4GINpIOdqKKDvigMwm_CKAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBNEFEQk4KcQo2CNWCARIENTkxMRjnaiCDaSipv4sDMKrAiwM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOCjcI1YIBEgQ1NTg1GINpIOKLASjxwIsDMLvBiwM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Apr 15 - Sat, Apr 18 CPR Casper HLN Helena $308 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/15/2026TANYT&leg2=from:HLN,to:CPR,departure:4/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:307.80&airProductToken=AQpxCjcI1YIBEgQ1ODc5GOKLASCDaSjauIoDMLW5igM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTRBREJOCjYI1YIBEgQ0NzU0GINpIOdqKNq6igMw1buKAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBNEFEQk4KcQo2CNWCARIENTkxMRjnaiCDaSiJ2ooDMIrbigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTRBREJOCjcI1YIBEgQ1NTg1GINpIOKLASjR24oDMJvcigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTRBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Mon, Apr 27 CPR Casper HLN Helena $324 Roundtrip found 10 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:323.22&airProductToken=AQpxCjcI1YIBEgQ1ODE4GOKLASCDaSiR7YoDMOvtigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTRBREJOCjYI1YIBEgQ1Mzg4GINpIOdqKKDvigMwm_CKAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBNEFEQk4KcQo2CNWCARIENDY2MBjnaiCDaSi_u4sDMMC8iwM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOCjcI1YIBEgQ1NzQzGINpIOKLASiHvYsDMM-9iwM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Mon, Apr 27 CPR Casper HLN Helena $350 Roundtrip found 10 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:350.00&airProductToken=AQpxCjcI1YIBEgQ1ODc5GOKLASCDaSj68IoDMNXxigM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTdBREJOCjYI1YIBEgQ0NzU0GINpIOdqKPryigMw9fOKAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBN0FEQk4KcQo2CNWCARIENTkxMRjnaiCDaSipv4sDMKrAiwM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOCjcI1YIBEgQ1NTg1GINpIOKLASjxwIsDMLvBiwM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Mon, Apr 27 CPR Casper HLN Helena $371 Roundtrip found 10 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:370.43&airProductToken=AQpxCjcI1YIBEgQ1ODc5GOKLASCDaSj68IoDMNXxigM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTdBREJOCjYI1YIBEgQ0NzU0GINpIOdqKPryigMw9fOKAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBN0FEQk4KcQo2CNWCARIENDY2MBjnaiCDaSi_u4sDMMC8iwM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOCjcI1YIBEgQ1NzQzGINpIOKLASiHvYsDMM-9iwM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Mon, Apr 27 CPR Casper HLN Helena $373 Roundtrip found 10 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:372.80&airProductToken=AQpnCjII1YIBEgQ1ODE4GOKLASCDaSiR7YoDMOvtigM4S0AAWAFqBTJfZWNvcghLRkE0QURETgoxCNWCARIENTM4OBiDaSDnaiig74oDMJvwigM4S0AAWAFqBTJfZWNvcghLRkE0QURETgpnCjEI1YIBEgQ1OTExGOdqIINpKKm_iwMwqsCLAzhLQABYAWoFMl9lY29yCEtGQTJBREROCjII1YIBEgQ1NTg1GINpIOKLASjxwIsDMLvBiwM4S0AAWAFqBTJfZWNvcghLRkEyQUREThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 9 - Sun, Apr 12 CPR Casper HLN Helena $378 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/9/2026TANYT&leg2=from:HLN,to:CPR,departure:4/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:377.80&airProductToken=AQpxCjcI1YIBEgQ0NjMxGOKLASCDaSip8okDMIHziQM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTBBREJOCjYI1YIBEgQ1Mzg4GINpIOdqKMDziQMwu_SJAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBMEFEQk4KcQo2CNWCARIENTkxMRjnaiCDaSjJlooDMMqXigM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTdBREJOCjcI1YIBEgQ1NTg1GINpIOKLASiRmIoDMNuYigM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTdBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Mon, Apr 27 CPR Casper HLN Helena $391 Roundtrip found 10 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:390.50&airProductToken=AQpxCjcI1YIBEgQ0NjMxGOKLASCDaSiJ7ooDMOHuigM4TkAAWAFqCjFfYmFzaWNlY29yCEtGQTRBREJOCjYI1YIBEgQ1Mzg4GINpIOdqKKDvigMwm_CKAzhOQABYAWoKMV9iYXNpY2Vjb3IIS0ZBNEFEQk4KcQo2CNWCARIENDY2MBjnaiCDaSi_u4sDMMC8iwM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBPREJOCjcI1YIBEgQ0Njg3GINpIOKLASj6vYsDMMa-iwM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBPREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Mon, Apr 27 CPR Casper HLN Helena $394 Roundtrip found 10 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:393.23&airProductToken=AQpnCjII1YIBEgQ1ODE4GOKLASCDaSiR7YoDMOvtigM4S0AAWAFqBTJfZWNvcghLRkE0QURETgoxCNWCARIENTM4OBiDaSDnaiig74oDMJvwigM4S0AAWAFqBTJfZWNvcghLRkE0QURETgpnCjEI1YIBEgQ0NjYwGOdqIINpKL-7iwMwwLyLAzhLQABYAWoFMl9lY29yCEtGQTJBREROCjII1YIBEgQ1NzQzGINpIOKLASiHvYsDMM-9iwM4S0AAWAFqBTJfZWNvcghLRkEyQUREThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Apr 20 - Mon, Apr 27 CPR Casper HLN Helena $421 Roundtrip found 10 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:420.01&airProductToken=AQpnCjII1YIBEgQ1ODc5GOKLASCDaSj68IoDMNXxigM4TEAAWAFqBTJfZWNvcghMRkE3QURETgoxCNWCARIENDc1NBiDaSDnaij68ooDMPXzigM4TEAAWAFqBTJfZWNvcghMRkE3QURETgpnCjEI1YIBEgQ1OTExGOdqIINpKKm_iwMwqsCLAzhLQABYAWoFMl9lY29yCEtGQTJBREROCjII1YIBEgQ1NTg1GINpIOKLASjxwIsDMLvBiwM4S0AAWAFqBTJfZWNvcghLRkEyQUREThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 9 - Sun, Apr 12 CPR Casper HLN Helena $431 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:HLN,departure:4/9/2026TANYT&leg2=from:HLN,to:CPR,departure:4/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:430.50&airProductToken=AQpxCjcI1YIBEgQ1ODc5GOKLASCDaSia9YkDMPX1iQM4TkAAWAFqCjFfYmFzaWNlY29yCExGQTBBREJOCjYI1YIBEgQ0NzU0GINpIOdqKJr3iQMwlfiJAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBMEFEQk4KcQo2CNWCARIENDY2MBjnaiCDaSjfkooDMOCTigM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBPREJOCjcI1YIBEgQ0Njg3GINpIOKLASialYoDMOaVigM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBPREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ## Alternative airports near Helena Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) HLN Helena Regional CheapestClosest 7 min [Flights from $303 ](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:HLN,departure:4/20/2026TANYT&leg2=from:HLN,to:CPR,departure:4/27/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much does a flight from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional) cost? ### What is the cheapest month to fly from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional)? ### Which airlines fly direct from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional)? ### What is the cheapest airline that flies from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional)? ### How do I find cheap flights from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional)? ### What is the best time to fly from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional)? ### What is the earliest flight from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional)? ### What are the most popular departure times for flights from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional)? ### How long does it take to fly from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional)? ### Can you fly business or first class from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional)? ### How do I earn miles on a Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional) flight with Expedia? ### What airports do you fly into for Helena from Natrona County Intl. (CPR)? ### Is it cheaper to buy a plane ticket from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional) at the last minute? ### Is it cheaper to book a Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional) flight and hotel package? ### Can I cancel or change the date of my flight from Casper, WY (CPR-Natrona County Intl.) to Helena, MT (HLN-Helena Regional)? ## Travel information | Origin airport | Natrona County Intl. | | ------------------- | -------------------- | | Destination airport | Helena Regional | | Roundtrip price | $303 | | Distance | 373 mi | ## Book with confidence # Casper to Helena Flights The cheapest times to fly from Casper to Helena On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Casper to Helena are during the month of April. You can find some of the cheapest flights from Casper to Helena with Expedia's search tool and vast selection of airlines. The best time to book a flight from Casper to Helena Sunday is one of the best days to book for cheap flights from Casper to Helena: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Casper to Helena Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Casper to Helena in 2026\. You can also book with separate airlines for your outbound and return journeys, from $319 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Casper to Helena flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Casper to Helena airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. \*Available to One Key members. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - Other - [Helena Hotels ](https://www.expedia.com/Helena-Hotels.d1481.Travel-Guide-Hotels) - [Hotels near Montana Historical Society Museum ](https://www.expedia.com/Montana-Historical-Society-Museum-Hotels.0-l6115510-0.Travel-Guide-Filter-Hotels) - [Hotels near Montana State Capitol ](https://www.expedia.com/Montana-State-Capitol-Hotels.0-l6115512-0.Travel-Guide-Filter-Hotels) - [Hotels near Bill Roberts Golf Course ](https://www.expedia.com/Bill-Roberts-Golf-Course-Hotels.0-l553248635936853822-0.Travel-Guide-Filter-Hotels) - [Hotels near Carroll College ](https://www.expedia.com/Carroll-College-Hotels.0-l553248635934496076-0.Travel-Guide-Filter-Hotels) - [Hotels near Exploration Works ](https://www.expedia.com/Exploration-Works-Hotels.0-l553248635695601676-0.Travel-Guide-Filter-Hotels) - [Hotels near Great Northern Carousel ](https://www.expedia.com/Great-Northern-Carousel-Hotels.0-l553248621532651646-0.Travel-Guide-Filter-Hotels) - [Hotels near Cathedral of St. Helena ](https://www.expedia.com/Cathedral-Of-St-Helena-Hotels.0-l6115502-0.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Cheap-Hotels.0-0-d1481-tCheapHotels.Travel-Guide-Filter-Hotels) - [Hotels near Holter Museum of Art ](https://www.expedia.com/Holter-Museum-Of-Art-Hotels.0-l6115508-0.Travel-Guide-Filter-Hotels) - [Hotels near Helena Civic Center ](https://www.expedia.com/Helena-Civic-Center-Hotels.0-l6115506-0.Travel-Guide-Filter-Hotels) - [Cabin Rentals in Helena ](https://www.expedia.com/Helena-Cabins.d1481-aaCabins.Travel-Guide-Accommodation) - [Motels in Helena ](https://www.expedia.com/Helena-Motels.d1481-aaMotels.Travel-Guide-Accommodation) - [Pet-Friendly Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Pet-Friendly-Hotel.0-0-d1481-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Hotels with Laundry Facilities in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Laundry-Facilities.0-0-d1481-tHotelswithLaundryFacilities.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Luxury-Hotel.0-0-d1481-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Hotels near Cathedral Church of St. Peter ](https://www.expedia.com/Cathedral-Church-Of-St-Peter-Hotels.0-l6115500-0.Travel-Guide-Filter-Hotels) - [Hotels with an Indoor Pool in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Indoor-Pool.0-0-d1481-tHotelswithIndoorPool.Travel-Guide-Filter-Hotels) - [Waterpark Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Waterpark-Hotels.0-0-d1481-tWaterparkHotels.Travel-Guide-Filter-Hotels) - [Hotels with Free Breakfast in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Complimentary-Breakfast.0-0-d1481-tHotelswithComplimentaryBreakfast.Travel-Guide-Filter-Hotels) - [Historic Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Historic-Hotel.0-0-d1481-tHistoricHotel.Travel-Guide-Filter-Hotels) - [Hotels with Kitchenettes in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Kitchens.0-0-d1481-tHotelswithKitchens.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Helena ](https://www.expedia.com/5Star-Helena-Hotels.s50-0-d1481.Travel-Guide-Filter-Hotels) - [B&B in Helena ](https://www.expedia.com/Helena-Bed-And-Breakfast.d1481-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Hotels with Restaurants in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Restaurants.0-0-d1481-tHotelswithRestaurants.Travel-Guide-Filter-Hotels) - [Casino Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Casino-Hotel.0-0-d1481-tCasinoHotel.Travel-Guide-Filter-Hotels) - [Hotels with a Pool in Helena ](https://www.expedia.com/Helena-Hotels-Hotel-With-Pool.0-0-d1481-tHotelwithPool.Travel-Guide-Filter-Hotels) - [Extended Stay Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Extended-Stay-Hotels.0-0-d1481-tExtendedStayHotels.Travel-Guide-Filter-Hotels) - [Hotels with Free Airport Shuttle in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Free-Airport-Shuttle.0-0-d1481-tHotelswithFreeAirportShuttle.Travel-Guide-Filter-Hotels) - [Hotels with Bars in Helena ](https://www.expedia.com/Helena-Hotels-Bar-Hotel.0-0-d1481-tBarHotel.Travel-Guide-Filter-Hotels) - [Resorts & Hotels with Spas in Helena ](https://www.expedia.com/Helena-Hotels-Spa-Hotel.0-0-d1481-tSpaHotel.Travel-Guide-Filter-Hotels) - [Hotels with Suites in Helena ](https://www.expedia.com/Helena-Hotels-Hotel-Suites.0-0-d1481-tHotelSuites.Travel-Guide-Filter-Hotels) - [Hotels with Hot Tubs in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Hot-Tubs.0-0-d1481-tHotelsWithHotTubs.Travel-Guide-Filter-Hotels) - [Romantic Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Romantic-Hotel.0-0-d1481-tRomanticHotel.Travel-Guide-Filter-Hotels) - [Apartments in Helena ](https://www.expedia.com/Helena-Apartments.d1481-aaApartments.Travel-Guide-Accommodation) - [Hotel Wedding Venues Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Wedding-Hotels.0-0-d1481-tWeddingHotels.Travel-Guide-Filter-Hotels) - [Hotels with Connecting Rooms in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Adjoining-Rooms.0-0-d1481-tHotelswithAdjoiningRooms.Travel-Guide-Filter-Hotels) - [Hotels with an Outdoor Pool in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Outdoor-Pool.0-0-d1481-tHotelswithOutdoorPool.Travel-Guide-Filter-Hotels) - [4 Star Hotels in Helena ](https://www.expedia.com/4Star-Helena-Hotels.s40-0-d1481.Travel-Guide-Filter-Hotels) - [Family Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Family-Hotel.0-0-d1481-tFamilyHotel.Travel-Guide-Filter-Hotels) - [Hotels with Balconies in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Balconies.0-0-d1481-tHotelswithBalconies.Travel-Guide-Filter-Hotels) - [Ski Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Ski-Hotel.0-0-d1481-tSkiHotel.Travel-Guide-Filter-Hotels) - [Hotels with a Gym in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Fitness-Center.0-0-d1481-tHotelswithFitnessCenter.Travel-Guide-Filter-Hotels) - [Hotels with Room Service in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Room-Service.0-0-d1481-tHotelswithRoomService.Travel-Guide-Filter-Hotels) - [Cottages in Helena ](https://www.expedia.com/Helena-Cottages.d1481-aaCottages.Travel-Guide-Accommodation) - [3 Star Hotels in Helena ](https://www.expedia.com/3Star-Helena-Hotels.s30-0-d1481.Travel-Guide-Filter-Hotels) - [Condo Rentals in Helena ](https://www.expedia.com/Helena-Condos.d1481-aaCondos.Travel-Guide-Accommodation) - [Golf Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Golf-Hotel.0-0-d1481-tGolfHotel.Travel-Guide-Filter-Hotels) - [Hotels with Fireplaces in Helena ](https://www.expedia.com/Helena-Hotels-Hotels-With-Fireplaces.0-0-d1481-tHotelswithFireplaces.Travel-Guide-Filter-Hotels) - [Non-Smoking Hotels in Helena ](https://www.expedia.com/Helena-Hotels-Smoke-Free-Hotels.0-0-d1481-tSmokeFreeHotels.Travel-Guide-Filter-Hotels) - [Gay friendly Hotels in Helena ](https://www.expedia.com/Helena-Hotels-LGBT-Welcoming-Hotel.0-0-d1481-tLGBTWelcomingHotel.Travel-Guide-Filter-Hotels) - [Vacation Homes in Helena ](https://www.expedia.com/Helena-Private-Vacation-Homes.d1481-aaPrivateVacationHomes.Travel-Guide-Accommodation) - [Lodges in Helena ](https://www.expedia.com/Helena-Lodges.d1481-aaLodges.Travel-Guide-Accommodation) - [Guest Houses in Helena ](https://www.expedia.com/Helena-Guest-Houses.d1481-aaGuestHouses.Travel-Guide-Accommodation) - [Hotels with Early Check-in in Helena ](https://www.expedia.com/Helena-Hotels-Hotel-With-Early-Check-In.0-0-d1481-thotelwithearlycheckin.Travel-Guide-Filter-Hotels) - [Hotels near Reeder's Alley ](https://www.expedia.com/Reeders-Alley-Hotels.0-l553248621532651635-0.Travel-Guide-Filter-Hotels) - [Helena Valley Southeast Hotels ](https://www.expedia.com/Helena-Valley-Southeast-Hotels.d553248634983200053.Travel-Guide-Hotels) - [East Helena Hotels ](https://www.expedia.com/East-Helena-Hotels.d553248634983099976.Travel-Guide-Hotels) - [Hotels near Spring Meadow Lake State Park ](https://www.expedia.com/Spring-Meadow-Lake-State-Park-Hotels.0-l553248635976858037-0.Travel-Guide-Filter-Hotels) - [Montana City Hotels ](https://www.expedia.com/Montana-City-Hotels.d180959.Travel-Guide-Hotels) - [Cabin Rentals in Montana City ](https://www.expedia.com/Montana-City-Cabins.d180959-aaCabins.Travel-Guide-Accommodation) - [Pet-Friendly Hotels in Montana City ](https://www.expedia.com/Montana-City-Hotels-Pet-Friendly-Hotel.0-0-d180959-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Flights to Helena ](https://www.expedia.com/Cheap-Flights-To-Helena.d1481.Travel-Guide-Flights) - [Flights from Lewis and Clark County ](https://www.expedia.com/lp/flights/553248635976432063/flights-from-lewis-and-clark-county) - [Flights from Helena ](https://www.expedia.com/lp/flights/1481/flights-from-helena) - [Flights to Montana City ](https://www.expedia.com/Cheap-Flights-To-Montana-City.d180959.Travel-Guide-Flights) - [Montana Historical Society Museum ](https://www.expedia.com/Montana-Historical-Society-Museum-Helena.d6115510.Vacation-Attraction) - [Montana State Capitol ](https://www.expedia.com/Montana-State-Capitol-Helena.d6115512.Vacation-Attraction) - [Bill Roberts Golf Course ](https://www.expedia.com/Bill-Roberts-Golf-Course-Helena.d553248635936853822.Vacation-Attraction) - [Exploration Works ](https://www.expedia.com/Exploration-Works-Helena.d553248635695601676.Vacation-Attraction) - [Great Northern Carousel ](https://www.expedia.com/Great-Northern-Carousel-Helena.d553248621532651646.Vacation-Attraction) - [Cathedral of St. Helena ](https://www.expedia.com/Cathedral-Of-St-Helena-Helena.d6115502.Vacation-Attraction) - [Holter Museum of Art ](https://www.expedia.com/Holter-Museum-Of-Art-Helena.d6115508.Vacation-Attraction) - [Helena Civic Center ](https://www.expedia.com/Helena-Civic-Center-Helena.d6115506.Vacation-Attraction) - [Visit Helena ](https://www.expedia.com/Helena.dx1481) - [Helena Vacations ](https://www.expedia.com/Helena.d1481.Destination-Travel-Guides) - [Spring Meadow Lake State Park ](https://www.expedia.com/Spring-Meadow-Lake-State-Park-Helena.d553248635976858037.Vacation-Attraction) - [Archie Bray Foundation ](https://www.expedia.com/Archie-Bray-Foundation-Helena.d553248635997959376.Vacation-Attraction) - [Visit Montana City ](https://www.expedia.com/Montana-City.dx180959) - [Car rentals near Helena ](https://www.expedia.com/Car-Rentals-In-Helena.d1481.Car-Rental-Guide) - [Enterprise Rental Cars in Helena ](https://www.expedia.com/Enterprise-Car-Rentals-In-Helena.d1481-c15.Car-Rental-Guide-Suppliers) - [Budget Rental Cars in Helena ](https://www.expedia.com/Budget-Car-Rentals-In-Helena.d1481-c39.Car-Rental-Guide-Suppliers) - [Hertz Rental Cars in Helena ](https://www.expedia.com/Hertz-Car-Rentals-In-Helena.d1481-c40.Car-Rental-Guide-Suppliers) - [Minivan Car Rentals in Helena ](https://www.expedia.com/Minivan-Car-Rentals-In-Helena.d1481-tMinivan.Car-Rental-Guide-Class) - [Luxury Car Rentals in Helena ](https://www.expedia.com/Luxury-Car-Rentals-In-Helena.d1481-tLuxury.Car-Rental-Guide-Class) - [Sixt Rental Cars in Helena ](https://www.expedia.com/Sixt-Car-Rentals-In-Helena.d1481-c35.Car-Rental-Guide-Suppliers) - [Sportscar Car Rentals in Helena ](https://www.expedia.com/Sportscar-Car-Rentals-In-Helena.d1481-tSportscar.Car-Rental-Guide-Class) - [National Car Rental Rental Cars in Helena ](https://www.expedia.com/National-Car-Rental-Car-Rentals-In-Helena.d1481-c42.Car-Rental-Guide-Suppliers) - [Rent A Wreck Rental Cars in Helena ](https://www.expedia.com/Rent-A-Wreck-Car-Rentals-In-Helena.d1481-c33.Car-Rental-Guide-Suppliers) - [Thrifty Car Rental Rental Cars in Helena ](https://www.expedia.com/Thrifty-Car-Rental-Car-Rentals-In-Helena.d1481-c45.Car-Rental-Guide-Suppliers) - [Van Car Rentals in Helena ](https://www.expedia.com/Van-Car-Rentals-In-Helena.d1481-tVan.Car-Rental-Guide-Class) - [Dollar Rent A Car Rental Cars in Helena ](https://www.expedia.com/Dollar-Rent-A-Car-Car-Rentals-In-Helena.d1481-c43.Car-Rental-Guide-Suppliers) - [Suv Car Rentals in Helena ](https://www.expedia.com/SUV-Car-Rentals-In-Helena.d1481-tSUV.Car-Rental-Guide-Class) - [Car rentals near Helena Valley Southeast ](https://www.expedia.com/Car-Rentals-In-Helena-Valley-Southeast.d553248634983200053.Car-Rental-Guide) - [Car rentals near Four Range ](https://www.expedia.com/Car-Rentals-In-Four-Range.d553248635975865228.Car-Rental-Guide) - [Car rentals near East Helena ](https://www.expedia.com/Car-Rentals-In-East-Helena.d553248634983099976.Car-Rental-Guide) - [Car rentals near Montana City ](https://www.expedia.com/Car-Rentals-In-Montana-City.d180959.Car-Rental-Guide) - [Helena Vacation Rentals ](https://www.expedia.com/Helena-Vacation-Rentals.d1481.Travel-Guide-VacationRentals) - [Montana City Vacation Rentals ](https://www.expedia.com/Montana-City-Vacation-Rentals.d180959.Travel-Guide-VacationRentals) - [Things to do in Helena ](https://www.expedia.com/Things-To-Do-In-Helena.d1481.Travel-Guide-Activities)