Title: Casper to Missoula cheap flights (CPR to MSO) - Expedia.com ![](https://images.trvl-media.com/place/180035/8d4f3b71-c132-43dd-a9d7-a6eaa1a1767d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/180035/8d4f3b71-c132-43dd-a9d7-a6eaa1a1767d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Casper (CPR) to Missoula (MSO) ## Popular airlines from Casper, WY (CPR-Natrona County Intl.) to Missoula Intl. Airport (MSO) - ![](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:MSO,departure:3/27/2026TANYT&leg2=from:MSO,to:CPR,departure:4/3/2026TANYT&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:MSO,departure:3/27/2026TANYT&leg2=from:MSO,to:CPR,departure:4/3/2026TANYT&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:MSO,departure:3/27/2026TANYT&leg2=from:MSO,to:CPR,departure:4/3/2026TANYT&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:MSO,departure:3/27/2026TANYT&leg2=from:MSO,to:CPR,departure:4/3/2026TANYT&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:MSO,departure:3/27/2026TANYT&leg2=from:MSO,to:CPR,departure:4/3/2026TANYT&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:MSO,departure:3/27/2026TANYT&leg2=from:MSO,to:CPR,departure:4/3/2026TANYT&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:MSO,departure:3/27/2026TANYT&leg2=from:MSO,to:CPR,departure:4/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ## Cheap Flights from Casper to Missoula (CPR-MSO) Prices were available within the past 7 days and start at for one-way flights and $424 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) Thu, Apr 16 - Sun, Apr 19 CPR Casper MSO Missoula $424 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/16/2026TANYT&leg2=from:MSO,to:CPR,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:423.30&airProductToken=AQprCjQI1YIBEgQ0NjU4GOKLASCDaSiJw4oDMOHDigM4U0AAWAFqB0VDT05PTVlyCFNGQTBPREROCjMI1YIBEgQxMDkyGINpIMx0KPDFigMw8saKAzhTQAFYAWoHRUNPTk9NWXIIU0ZBME9ERE4KawozCNWCARIEMTAyNhjMdCCDaSi_4YoDMMHiigM4S0AAWAFqB0VDT05PTVlyCEtGQTJBREROCjQI1YIBEgQ0Njg3GINpIOKLASj644oDMMbkigM4S0ABWAFqB0VDT05PTVlyCEtGQTJBREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, Apr 19 CPR Casper MSO Missoula $452 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/16/2026TANYT&leg2=from:MSO,to:CPR,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:451.79&airProductToken=AQprCjQI1YIBEgQ1ODE4GOKLASCDaSiRwIoDMOvAigM4V0AAWAFqB0VDT05PTVlyCFdBQTRBREVOCjMI1YIBEgQ0NjY3GINpIMx0KKHDigMwrsSKAzhXQAFYAWoHRUNPTk9NWXIIV0FBNEFERU4KawozCNWCARIEMTAyNhjMdCCDaSi_4YoDMMHiigM4S0AAWAFqB0VDT05PTVlyCEtGQTJBREROCjQI1YIBEgQ0Njg3GINpIOKLASj644oDMMbkigM4S0ABWAFqB0VDT05PTVlyCEtGQTJBREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Apr 10 - Sun, Apr 12 CPR Casper MSO Missoula $473 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/10/2026TANYT&leg2=from:MSO,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:472.80&airProductToken=AQprCjQI1YIBEgQ1NTEzGOKLASCDaSjt-4kDMMT8iQM4VkAAWAFqB0VDT05PTVlyCFZBQTRPREVOCjMI1YIBEgQyMzU3GINpIMx0KNP-iQMw1P-JAzhWQAFYAWoHRUNPTk9NWXIIVkFBNE9ERU4KawozCNWCARIEMTAyNhjMdCCDaSjfkooDMOGTigM4S0AAWAFqB0VDT05PTVlyCEtGQTJBREROCjQI1YIBEgQ0Nzk3GINpIOKLASiNlooDMNeWigM4S0ABWAFqB0VDT05PTVlyCEtGQTJBREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, Apr 19 CPR Casper MSO Missoula $477 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/16/2026TANYT&leg2=from:MSO,to:CPR,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:476.80&airProductToken=AQprCjQI1YIBEgQ1ODE4GOKLASCDaSiRwIoDMOvAigM4V0AAWAFqB0VDT05PTVlyCFdBQTRBREVOCjMI1YIBEgQ0NjY3GINpIMx0KKHDigMwrsSKAzhXQAFYAWoHRUNPTk9NWXIIV0FBNEFERU4KawozCNWCARIEMTAyNhjMdCCDaSi_4YoDMMHiigM4TEAAWAFqB0VDT05PTVlyCExGQTdBREROCjQI1YIBEgQ1NzQzGINpIOKLASiH44oDMM_jigM4TEABWAFqB0VDT05PTVlyCExGQTdBREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, Apr 19 CPR Casper MSO Missoula $494 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/16/2026TANYT&leg2=from:MSO,to:CPR,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:493.80&airProductToken=AQprCjQI1YIBEgQ0NjU4GOKLASCDaSiJw4oDMOHDigM4U0AAWAFqB0VDT05PTVlyCFNGQTBPREROCjMI1YIBEgQxMDkyGINpIMx0KPDFigMw8saKAzhTQAFYAWoHRUNPTk9NWXIIU0ZBME9ERE4KawozCNWCARIEMTQzNhjMdCCDaSi25YoDMLXmigM4VEAAWAFqB0VDT05PTVlyCFRGQTBPREROCjQI1YIBEgQ1MjI2GINpIOKLASiv6IoDMPfoigM4VEABWAFqB0VDT05PTVlyCFRGQTBPREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, Apr 19 CPR Casper MSO Missoula $496 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/16/2026TANYT&leg2=from:MSO,to:CPR,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:495.37&airProductToken=AQpnCjII1YIBEgQ1ODc5GOKLASCDaSj6w4oDMNXEigM4VkAAWAFqBTJfZWNvcghWQUE0T0RFTgoxCNWCARIEMTA5MhiDaSDMdCjwxYoDMPLGigM4VkAAWAFqBTJfZWNvcghWQUE0T0RFTgpnCjEI1YIBEgQxMDI2GMx0IINpKL_higMwweKKAzhLQABYAWoFMl9lY29yCEtGQTJBREROCjII1YIBEgQ0Njg3GINpIOKLASj644oDMMbkigM4S0AAWAFqBTJfZWNvcghLRkEyQUREThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Apr 10 - Sun, Apr 12 CPR Casper MSO Missoula $498 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/10/2026TANYT&leg2=from:MSO,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:497.80&airProductToken=AQprCjQI1YIBEgQ1NTEzGOKLASCDaSjt-4kDMMT8iQM4VkAAWAFqB0VDT05PTVlyCFZBQTRPREVOCjMI1YIBEgQyMzU3GINpIMx0KNP-iQMw1P-JAzhWQAFYAWoHRUNPTk9NWXIIVkFBNE9ERU4KawozCNWCARIEMTAyNhjMdCCDaSjfkooDMOGTigM4TEAAWAFqB0VDT05PTVlyCExGQTdBREROCjQI1YIBEgQ0Njg3GINpIOKLASialYoDMOaVigM4TEABWAFqB0VDT05PTVlyCExGQTdBREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, Apr 19 CPR Casper MSO Missoula $512 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/16/2026TANYT&leg2=from:MSO,to:CPR,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:511.50&airProductToken=AQpnCjII1YIBEgQ1ODc5GOKLASCDaSj6w4oDMNXEigM4VkAAWAFqBTJfZWNvcghWQUE0T0RFTgoxCNWCARIEMTA5MhiDaSDMdCjwxYoDMPLGigM4VkAAWAFqBTJfZWNvcghWQUE0T0RFTgpnCjEI1YIBEgQxMDI2GMx0IINpKL_higMwweKKAzhLQABYAWoFMl9lY29yCEtGQTJBREROCjII1YIBEgQ1NzQzGINpIOKLASiH44oDMM_jigM4S0AAWAFqBTJfZWNvcghLRkEyQUREThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, Apr 19 CPR Casper MSO Missoula $523 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/16/2026TANYT&leg2=from:MSO,to:CPR,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:522.30&airProductToken=AQprCjQI1YIBEgQ1ODE4GOKLASCDaSiRwIoDMOvAigM4V0AAWAFqB0VDT05PTVlyCFdBQTRBREVOCjMI1YIBEgQ0NjY3GINpIMx0KKHDigMwrsSKAzhXQAFYAWoHRUNPTk9NWXIIV0FBNEFERU4KawozCNWCARIEMTQzNhjMdCCDaSi25YoDMLXmigM4VEAAWAFqB0VDT05PTVlyCFRGQTBPREROCjQI1YIBEgQ1MjI2GINpIOKLASiv6IoDMPfoigM4VEABWAFqB0VDT05PTVlyCFRGQTBPREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Mar 31 - Thu, Apr 2 CPR Casper MSO Missoula $526 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:3/31/2026TANYT&leg2=from:MSO,to:CPR,departure:4/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:525.14&airProductToken=AQpxCjcI1YIBEgQ0NjMxGOKLASCDaSiJjYkDMOGNiQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOCjYI1YIBEgQ0NjY3GINpIMx0KKGPiQMwrpCJAzhOQABYAWoKMV9iYXNpY2Vjb3IIU0FBMkFEQk4KcQo2CNWCARIENDcwMBjMdCCDaSizp4kDML6oiQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOCjcI1YIBEgQ1MjI2GINpIOKLASiPqYkDMNepiQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Mar 31 - Thu, Apr 2 CPR Casper MSO Missoula $527 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:3/31/2026TANYT&leg2=from:MSO,to:CPR,departure:4/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:526.22&airProductToken=AQpxCjcI1YIBEgQ1MjQ1GOKLASCDaSiSjokDMOSOiQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOCjYI1YIBEgQ0NjY3GINpIMx0KKGPiQMwrpCJAzhOQABYAWoKMV9iYXNpY2Vjb3IIU0FBMkFEQk4KcQo2CNWCARIEMTQzNhjMdCCDaSiWpokDMJWniQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOCjcI1YIBEgQ1ODAyGINpIOKLASioqIkDMPKoiQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, Apr 19 CPR Casper MSO Missoula $529 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/16/2026TANYT&leg2=from:MSO,to:CPR,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:528.80&airProductToken=AQprCjQI1YIBEgQ0NjU4GOKLASCDaSiJw4oDMOHDigM4U0AAWAFqB0VDT05PTVlyCFNGQTBPREROCjMI1YIBEgQxMDkyGINpIMx0KPDFigMw8saKAzhTQAFYAWoHRUNPTk9NWXIIU0ZBME9ERE4KawozCNWCARIEMTAyNhjMdCCDaSi_4YoDMMHiigM4U0AAWAFqB0VDT05PTVlyCFNGQTBPREROCjQI1YIBEgQ0Nzk3GINpIOKLASjt5IoDMLfligM4U0ABWAFqB0VDT05PTVlyCFNGQTBPREROEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, Apr 19 CPR Casper MSO Missoula $537 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:4/16/2026TANYT&leg2=from:MSO,to:CPR,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:536.80&airProductToken=AQppCjMI1YIBEgQ1ODE4GOKLASCDaSiRwIoDMOvAigM4V0AAWAFqBkVDT1JFRnIIV0FBNEFERU0KMgjVggESBDQ2NjcYg2kgzHQoocOKAzCuxIoDOFdAAVgBagZFQ09SRUZyCFdBQTRBREVNCmkKMgjVggESBDEwMjYYzHQgg2kov-GKAzDB4ooDOEtAAFgBagZFQ09SRUZyCEtGQTJBRERNCjMI1YIBEgQ0Njg3GINpIOKLASj644oDMMbkigM4S0ABWAFqBkVDT1JFRnIIS0ZBMkFERE0SCggBEAEYASoCVUEYASIECAEQASgCKAQoBjAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Mar 31 - Thu, Apr 2 CPR Casper MSO Missoula $545 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:3/31/2026TANYT&leg2=from:MSO,to:CPR,departure:4/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:544.49&airProductToken=AQpxCjcI1YIBEgQ1ODA5GOKLASCDaSj6j4kDMNWQiQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOCjYI1YIBEgQxMDkyGINpIMx0KPWRiQMw95KJAzhOQABYAWoKMV9iYXNpY2Vjb3IIU0FBMkFEQk4KcQo2CNWCARIENDcwMBjMdCCDaSizp4kDML6oiQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOCjcI1YIBEgQ1MjI2GINpIOKLASiPqYkDMNepiQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Mar 31 - Thu, Apr 2 CPR Casper MSO Missoula $546 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:MSO,departure:3/31/2026TANYT&leg2=from:MSO,to:CPR,departure:4/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:545.57&airProductToken=AQpxCjcI1YIBEgQ1ODA5GOKLASCDaSj6j4kDMNWQiQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOCjYI1YIBEgQxMDkyGINpIMx0KPWRiQMw95KJAzhOQABYAWoKMV9iYXNpY2Vjb3IIU0FBMkFEQk4KcQo2CNWCARIEMTQzNhjMdCCDaSiWpokDMJWniQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOCjcI1YIBEgQ1ODAyGINpIOKLASioqIkDMPKoiQM4TkAAWAFqCjFfYmFzaWNlY29yCFNBQTJBREJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. 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[Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### How much does a flight from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.) cost? ### What is the cheapest month to fly from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.)? ### Which airlines fly direct from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.)? ### What is the cheapest airline that flies from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.)? ### How do I find cheap flights from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.)? ### What is the best time to fly from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.)? ### What is the earliest flight from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.)? ### What are the most popular departure times for flights from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.)? ### How long does it take to fly from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.)? ### Can you fly business or first class from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.)? ### How do I earn miles on a Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.) flight with Expedia? ### What airports do you fly into for Missoula from Natrona County Intl. (CPR)? ### Is it cheaper to buy a plane ticket from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.) at the last minute? ### Is it cheaper to book a Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.) flight and hotel package? ### Can I cancel or change the date of my flight from Casper, WY (CPR-Natrona County Intl.) to Missoula, MT (MSO-Missoula Intl.)? ## Travel information | Origin airport | Natrona County Intl. | | ------------------- | -------------------- | | Destination airport | Missoula Intl. | | Roundtrip price | $423 | | Distance | 464 mi | ## Book with confidence # Casper to Missoula Flights The cheapest times to fly from Casper to Missoula 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 Missoula are during the month of April. You can find some of the cheapest flights from Casper to Missoula with Expedia's search tool and vast selection of airlines. The best time to book a flight from Casper to Missoula Sunday is one of the best days to book for cheap flights from Casper to Missoula: 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 Missoula 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 Missoula in 2026\. You can also book with separate airlines for your outbound and return journeys, from 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 Missoula 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 Missoula 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\. 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