Title: $505 Cheap flights from Casper to Eureka (CPR to ACV) - Expedia.com ![](https://images.trvl-media.com/place/287/6ab3fbf1-1e1b-4ff4-9b6b-bcac85ef6b2c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/287/6ab3fbf1-1e1b-4ff4-9b6b-bcac85ef6b2c.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $505 Cheap Flights from Casper (CPR) to Eureka (ACV) [View $505 flight on Fri, Feb 13, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:CPR,to:ACV,departure:2/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:504.92&airProductToken=AQpoCjII1YIBEgQ1ODE4GOKLASCDaSiSh4UDMO2HhQM4VUAAWAFqBTJfZWNvcghVQUEwQURFTgoyCNWCARIENTUwNhiDaSDAqAEojImFAzDLioUDOFVAAFgBagUyX2Vjb3IIVUFBMEFERU4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Add a place to stay Direct flights only ## Popular airlines from Casper, WY (CPR-Natrona County Intl.) to Eureka, CA (ACV-Arcata - Eureka) - ![](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:ACV,departure:2/24/2026TANYT&leg2=from:ACV,to:CPR,departure:3/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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 Eureka (CPR-ACV) Prices were available within the past 7 days and start at $505 for one-way flights and $379 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) Wed, Mar 4 - Mon, Mar 16 CPR Casper ACV Eureka $379 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:3/4/2026TANYT&leg2=from:ACV,to:CPR,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:378.81&airProductToken=AQpGCiEI1YIBEgQ1ODE4GOKLASCDaSjy3IYDMM3dhgM4S0AAWAEKIQjVggESBDU1MDYYg2kgwKgBKOzehgMwq-CGAzhLQAFYAQpGCiEI1YIBEgQ1OTY2GMCoASCDaSi35ocDMNrnhwM4TEAAWAEKIQjVggESBDUyMjYYg2kg4osBKOXphwMwr-qHAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Mar 5 - Mon, Mar 16 CPR Casper ACV Eureka $389 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:3/5/2026TANYT&leg2=from:ACV,to:CPR,departure:3/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:388.61&airProductToken=AQppCiEI1YIBEgQ1NTEzGOKLASCDaSip54YDMIHohgM4S0AAWAEKIAjVggESAzQwNRiDaSCLuAEorumGAzDS6oYDOEtAAVgBCiII1YIBEgQ1NDI2GIu4ASDAqAEom-2GAzCc7oYDOEtAAVgBCkYKIQjVggESBDU5NjYYwKgBIINpKLfmhwMw2ueHAzhMQABYAQohCNWCARIENTIyNhiDaSDiiwEo5emHAzCv6ocDOExAAVgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Feb 14 - Thu, Feb 19 CPR Casper ACV Eureka $394 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/14/2026TANYT&leg2=from:ACV,to:CPR,departure:2/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:393.31&airProductToken=AQpyCjcI1YIBEgQ1ODE4GOKLASCDaSiykoUDMI2ThQM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBBREJOCjcI1YIBEgQ1NTA2GINpIMCoASinlIUDMOaVhQM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBBREJOCnIKNwjVggESBDU5NjYYwKgBIINpKOzNhQMwjM-FAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBN0FEQk4KNwjVggESBDU4MDIYg2kg4osBKKHQhQMw7tCFAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBN0FEQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Mar 17 - Wed, Apr 1 CPR Casper ACV Eureka $394 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:3/17/2026TANYT&leg2=from:ACV,to:CPR,departure:4/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:393.89&airProductToken=AQpoCiEI1YIBEgQ0NjMxGOKLASCDaSjE74cDMJ_whwM4TEAAWAEKIAjVggESBDE4MTIYg2kgsnEozfGHAzD_8ocDOExAAVgBCiEI1YIBEgQ0Njk1GLJxIMCoASjk9YcDMLn2hwM4TEABWAEKagoiCNWCARIENTU2MxjAqAEgi7gBKI-YiQMwiJmJAzhLQABYAQohCNWCARIEMjMwMhiLuAEgg2kowZuJAzDZnIkDOEtAAVgBCiEI1YIBEgQ1MjI2GINpIOKLASjvnYkDMLeeiQM4S0ABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Feb 14 - Thu, Feb 19 CPR Casper ACV Eureka $399 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/14/2026TANYT&leg2=from:ACV,to:CPR,departure:2/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:398.61&airProductToken=AQqqAQo3CNWCARIENTUxMxjiiwEgg2koyZGFAzCgkoUDOE5AAFgBagoxX2Jhc2ljZWNvcghURkEwQURCTgo2CNWCARIEMjM5MRiDaSCycSjVkoUDMISUhQM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBBREJOCjcI1YIBEgQ0NzA4GLJxIMCoASjOlIUDMKOVhQM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBBREJOCnIKNwjVggESBDU5NjYYwKgBIINpKOzNhQMwjM-FAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBN0FEQk4KNwjVggESBDU2OTUYg2kg4osBKM3PhQMwmtCFAzhOQABYAWoKMV9iYXNpY2Vjb3IITEZBN0FEQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Feb 19 - Tue, Mar 3 CPR Casper ACV Eureka $404 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/19/2026TANYT&leg2=from:ACV,to:CPR,departure:3/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:403.10&airProductToken=AQpGCiEI1YIBEgQ1ODE4GOKLASCDaSjSyoUDMK3LhQM4TEAAWAEKIQjVggESBDU1MDYYg2kgwKgBKMzMhQMwi86FAzhMQAFYAQpqCiII1YIBEgQ2MDQwGMCoASCLuAEok9KGAzCO04YDOEtAAFgBCiEI1YIBEgQyMDYxGIu4ASCDaSj804YDMI7VhgM4S0ABWAEKIQjVggESBDUyOTQYg2kg4osBKNjVhgMwodaGAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Feb 16 - Wed, Feb 25 CPR Casper ACV Eureka $409 Roundtrip found 15 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/16/2026TANYT&leg2=from:ACV,to:CPR,departure:2/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:408.30&airProductToken=AQpGCiEI1YIBEgQ0NjMxGOKLASCDaSjgqYUDMLuqhQM4TEAAWAEKIQjVggESBDU1MDYYg2kgwKgBKOyqhQMwq6yFAzhMQAFYAQpGCiEI1YIBEgQ1OTY2GMCoASCDaSiskYYDMMyShgM4S0AAWAEKIQjVggESBDUyMjYYg2kg4osBKMuUhgMwlZWGAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 25 - Mon, Mar 9 CPR Casper ACV Eureka $409 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/25/2026TANYT&leg2=from:ACV,to:CPR,departure:3/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:408.90&airProductToken=AQpqCiEI1YIBEgQ1ODE4GOKLASCDaSiSjoYDMO2OhgM4S0AAWAEKIQjVggESBDEwMTMYg2kgi7gBKI6QhgMwr5GGAzhLQAFYAQoiCNWCARIENTQyNhiLuAEgwKgBKIOThgMwhJSGAzhLQAFYAQpqCiII1YIBEgQ1NTYzGMCoASCLuAEor5WHAzColocDOExAAFgBCiEI1YIBEgQxODQwGIu4ASCDaSjjmIcDMPaZhwM4TEABWAEKIQjVggESBDU4MDIYg2kg4osBKLCahwMw_JqHAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, Feb 15 - Tue, Mar 3 CPR Casper ACV Eureka $414 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/15/2026TANYT&leg2=from:ACV,to:CPR,departure:3/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:413.09&airProductToken=AQpGCiEI1YIBEgQ1NTEzGOKLASCDaSjpnIUDMMCdhQM4VEAAWAEKIQjVggESBDU1MDYYg2kgwKgBKMyfhQMwi6GFAzhUQAFYAQpqCiII1YIBEgQ2MDQwGMCoASCLuAEok9KGAzCO04YDOEtAAFgBCiEI1YIBEgQyMDYxGIu4ASCDaSj804YDMI7VhgM4S0ABWAEKIQjVggESBDUyOTQYg2kg4osBKNjVhgMwodaGAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Feb 16 - Tue, Feb 24 CPR Casper ACV Eureka $419 Roundtrip found 15 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/16/2026TANYT&leg2=from:ACV,to:CPR,departure:2/24/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:418.10&airProductToken=AQpGCiEI1YIBEgQ0NjMxGOKLASCDaSjgqYUDMLuqhQM4TEAAWAEKIQjVggESBDU1MDYYg2kgwKgBKOyqhQMwq6yFAzhMQAFYAQpqCiII1YIBEgQ2MDQwGMCoASCLuAEos4OGAzCuhIYDOEtAAFgBCiEI1YIBEgQyMDYxGIu4ASCDaSichYYDMK6GhgM4S0ABWAEKIQjVggESBDUyOTQYg2kg4osBKPiGhgMwwYeGAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Feb 17 - Tue, Feb 24 CPR Casper ACV Eureka $424 Roundtrip found 15 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/17/2026TANYT&leg2=from:ACV,to:CPR,departure:2/24/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:423.40&airProductToken=AQpoCiEI1YIBEgQ1ODE4GOKLASCDaSiStIUDMO20hQM4TEAAWAEKIAjVggESBDE1MDYYg2kgsnEosrWFAzDktoUDOExAAVgBCiEI1YIBEgQ0NzE1GLJxIMCoASi4t4UDMI-4hQM4TEABWAEKagoiCNWCARIENjA0MBjAqAEgi7gBKLODhgMwroSGAzhLQABYAQohCNWCARIEMjA2MRiLuAEgg2konIWGAzCuhoYDOEtAAVgBCiEI1YIBEgQ1Mjk0GINpIOKLASj4hoYDMMGHhgM4S0ABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 11 - Tue, Feb 24 CPR Casper ACV Eureka $429 Roundtrip found 15 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/11/2026TANYT&leg2=from:ACV,to:CPR,departure:2/24/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:428.10&airProductToken=AQpGCiEI1YIBEgQ0NjMxGOKLASCDaSjA8YQDMJXyhAM4VEAAWAEKIQjVggESBDU1MDYYg2kgwKgBKMfyhAMwhvSEAzhUQAFYAQpqCiII1YIBEgQ2MDQwGMCoASCLuAEos4OGAzCuhIYDOEtAAFgBCiEI1YIBEgQyMDYxGIu4ASCDaSichYYDMK6GhgM4S0ABWAEKIQjVggESBDUyOTQYg2kg4osBKPiGhgMwwYeGAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Feb 14 - Thu, Feb 19 CPR Casper ACV Eureka $430 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/14/2026TANYT&leg2=from:ACV,to:CPR,departure:2/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:429.23&airProductToken=AQpyCjcI1YIBEgQ0NjMxGOKLASCDaSigk4UDMPuThQM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBBREJOCjcI1YIBEgQ1NTA2GINpIMCoASinlIUDMOaVhQM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBBREJOCqoBCjcI1YIBEgQ0NjU1GMCoASCycSi1zoUDMIbPhQM4TkAAWAFqCjFfYmFzaWNlY29yCFRGQTBBREJOCjYI1YIBEgQxNDMwGLJxIINpKLvPhQMw2NCFAzhOQABYAWoKMV9iYXNpY2Vjb3IIVEZBMEFEQk4KNwjVggESBDUyMjYYg2kg4osBKIvRhQMw1dGFAzhOQABYAWoKMV9iYXNpY2Vjb3IIVEZBMEFEQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Feb 25 - Tue, Mar 10 CPR Casper ACV Eureka $434 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:2/25/2026TANYT&leg2=from:ACV,to:CPR,departure:3/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:433.40&airProductToken=AQpqCiEI1YIBEgQ1ODE4GOKLASCDaSiSjoYDMO2OhgM4S0AAWAEKIQjVggESBDEwMTMYg2kgi7gBKI6QhgMwr5GGAzhLQAFYAQoiCNWCARIENTQyNhiLuAEgwKgBKIOThgMwhJSGAzhLQAFYAQpqCiII1YIBEgQ1NTYzGMCoASCLuAEoz6CHAzDIoYcDOFRAAFgBCiEI1YIBEgQyMDYxGIu4ASCDaSigoocDMLOjhwM4VEABWAEKIQjVggESBDUyOTQYg2kg4osBKPujhwMwxqSHAzhUQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Mar 11 - Wed, Mar 25 CPR Casper ACV Eureka $435 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CPR,to:ACV,departure:3/11/2026TANYT&leg2=from:ACV,to:CPR,departure:3/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:434.10&airProductToken=AQpGCiEI1YIBEgQ1NTEzGOKLASCDaSitqocDMISrhwM4TEAAWAEKIQjVggESBDU1MDYYg2kgwKgBKJKthwMw0a6HAzhMQAFYAQpqCiII1YIBEgQ1NTYzGMCoASCLuAEor8mIAzCoyogDOExAAFgBCiEI1YIBEgQxODQwGIu4ASCDaSjjzIgDMPbNiAM4TEABWAEKIQjVggESBDU4MDIYg2kg4osBKLDOiAMw_M6IAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ## Alternative airports near Eureka 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:ACV,departure:2/24/2026TANYT&leg2=from:ACV,to:CPR,departure:3/9/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ACV Arcata - Eureka Cheapest 20 min [Flights from $515 ](https://www.expedia.com/Flights-Search?leg1=from:CPR,to:ACV,departure:2/24/2026TANYT&leg2=from:ACV,to:CPR,departure:3/9/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flights from Casper (CPR) to Eureka (ACV)__ | Origin airport | Natrona County Intl. | | ------------------- | -------------------- | | Destination airport | Arcata - Eureka | | Airlines serving | United | | Roundtrip price | $379 | | Distance | 914 mi | ## Casper to Eureka Flights The cheapest times to fly from Casper to Eureka 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 Eureka are during the month of March. You can find some of the cheapest flights from Casper to Eureka with Expedia's search tool and vast selection of airlines. The best time to book a flight from Casper to Eureka Sunday is one of the best days to book for cheap flights from Casper to Eureka: 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 Eureka 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 Eureka in 2026\. You can also book with separate airlines for your outbound and return journeys, from $505 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 Eureka 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 Eureka 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. ## Frequently asked questions ### How much does a flight from Natrona County Intl. Airport (CPR) to Arcata - Eureka Airport (ACV) cost? ### What is the cheapest month to fly from Natrona County Intl. Airport (CPR) to Arcata - Eureka Airport (ACV)? ### What is the cheapest airline that flies from Natrona County Intl. Airport (CPR) to Arcata - Eureka Airport (ACV)? ### How many flights per day from Natrona County Intl. Airport (CPR) to Arcata - Eureka Airport (ACV)? ### What day of the week has the most flights from CPR to ACV? ### What is the best time to fly from Natrona County Intl. Airport (CPR) to Arcata - Eureka Airport (ACV)? ### Is it cheaper to buy a plane ticket from Natrona County Intl. Airport (CPR) to Arcata - Eureka Airport (ACV) last-minute? ### Is it cheaper to book a CPR to ACV flight and hotel package? ### Can I cancel or change the date of my flight from Natrona County Intl. Airport (CPR) to Arcata - Eureka Airport (ACV)? \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - [Hotels near Beau Pre Golf Club ](https://www.expedia.com/Beau-Pre-Golf-Club-Hotels.0-l553248621532639383-0.Travel-Guide-Filter-Hotels) - [McKinleyville Hotels ](https://www.expedia.com/McKinleyville-Hotels.d602249.Travel-Guide-Hotels) - [Clam Beach Hotels ](https://www.expedia.com/Clam-Beach-Hotels.d553248635975867346.Travel-Guide-Hotels) - [Hotels near Clam Beach County Park ](https://www.expedia.com/Clam-Beach-County-Park-Hotels.0-l553248621532639368-0.Travel-Guide-Filter-Hotels) - [Vacation Homes in McKinleyville ](https://www.expedia.com/McKinleyville-Private-Vacation-Homes.d602249-aaPrivateVacationHomes.Travel-Guide-Accommodation) - [Casino Hotels in McKinleyville ](https://www.expedia.com/McKinleyville-Hotels-Casino-Hotel.0-0-d602249-tCasinoHotel.Travel-Guide-Filter-Hotels) - [Cabin Rentals in McKinleyville ](https://www.expedia.com/McKinleyville-Cabins.d602249-aaCabins.Travel-Guide-Accommodation) - 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