Title: Cheap flights from Columbia to Eureka (COU 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) # Cheap Flights from Columbia (COU) to Eureka (ACV) ## Popular airlines from Columbia, MO (COU-Columbia Regional) 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:COU,to:ACV,departure:3/13/2026TANYT&leg2=from:ACV,to:COU,departure:3/20/2026TANYT&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 Columbia to Eureka (COU-ACV) Prices were available within the past 7 days and start at for one-way flights and $528 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, Jun 24 - Mon, Jun 29 COU Columbia ACV Eureka $528 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/24/2026TANYT&leg2=from:ACV,to:COU,departure:6/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:527.40&airProductToken=AQpnCiEI1YIBEgQ0MTcwGMKjASCuHCj3yZADMN3KkAM4TEAAWAEKHwjVggESAzUxMRiuHCCycSiqzJADMNDOkAM4TEABWAEKIQjVggESBDQ2OTUYsnEgwKgBKJnQkAMw8dCQAzhMQAFYAQpoCiEI1YIBEgQ0NjMyGMCoASCycSjJgZEDMJWCkQM4S0AAWAEKIAjVggESBDE4NTAYsnEgrhwotomRAzDAi5EDOEtAAVgBCiEI1YIBEgQ0NDY0GK4cIMKjASi3jJEDMJSNkQM4S0ABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Jun 24 - Sat, Jul 4 COU Columbia ACV Eureka $533 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/24/2026TANYT&leg2=from:ACV,to:COU,departure:7/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:532.40&airProductToken=AQpnCiEI1YIBEgQ0MTcwGMKjASCuHCj3yZADMN3KkAM4TEAAWAEKHwjVggESAzUxMRiuHCCycSiqzJADMNDOkAM4TEABWAEKIQjVggESBDQ2OTUYsnEgwKgBKJnQkAMw8dCQAzhMQAFYAQpoCiEI1YIBEgQ1MzA1GMCoASCycSjovpEDMLu_kQM4S0AAWAEKIAjVggESBDIyNzgYsnEgrhwo0sCRAzDZwpEDOEtAAVgBCiEI1YIBEgQ0NDY0GK4cIMKjASjXxJEDMLTFkQM4S0ABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Jun 24 - Wed, Jul 1 COU Columbia ACV Eureka $548 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/24/2026TANYT&leg2=from:ACV,to:COU,departure:7/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:547.40&airProductToken=AQpnCiEI1YIBEgQ0MTcwGMKjASCuHCj3yZADMN3KkAM4TEAAWAEKHwjVggESAzUxMRiuHCCycSiqzJADMNDOkAM4TEABWAEKIQjVggESBDQ2OTUYsnEgwKgBKJnQkAMw8dCQAzhMQAFYAQpqCiII1YIBEgQ1NTA2GMCoASCLuAEo15uRAzDTnJEDOEtAAFgBCiEI1YIBEgQxNzU0GIu4ASCuHCiWnZEDMJefkQM4S0ABWAEKIQjVggESBDU0OTEYrhwgwqMBKISokQMw86iRAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Jun 24 - Sat, Jun 27 COU Columbia ACV Eureka $553 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/24/2026TANYT&leg2=from:ACV,to:COU,departure:6/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:552.39&airProductToken=AQpnCiEI1YIBEgQ0MTcwGMKjASCuHCj3yZADMN3KkAM4TEAAWAEKHwjVggESAzUxMRiuHCCycSiqzJADMNDOkAM4TEABWAEKIQjVggESBDQ2OTUYsnEgwKgBKJnQkAMw8dCQAzhMQAFYAQpoCiEI1YIBEgQ0NjMyGMCoASCycSiJ65ADMNXrkAM4S0AAWAEKIAjVggESBDE4NTAYsnEgrhwo9vKQAzCA9ZADOExAAVgBCiEI1YIBEgQ0NDY0GK4cIMKjASj39ZADMNT2kAM4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Jun 24 - Fri, Jul 3 COU Columbia ACV Eureka $558 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/24/2026TANYT&leg2=from:ACV,to:COU,departure:7/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:557.39&airProductToken=AQpnCiEI1YIBEgQ0MTcwGMKjASCuHCj3yZADMN3KkAM4TEAAWAEKHwjVggESAzUxMRiuHCCycSiqzJADMNDOkAM4TEABWAEKIQjVggESBDQ2OTUYsnEgwKgBKJnQkAMw8dCQAzhMQAFYAQpoCiEI1YIBEgQ0NjU1GMCoASCycSixsZEDMP6xkQM4TEAAWAEKIAjVggESBDEzNzUYsnEgrhwovrORAzDHtZEDOExAAVgBCiEI1YIBEgQ0NDY0GK4cIMKjASi3uZEDMJS6kQM4S0ABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Jun 24 - Sun, Jun 28 COU Columbia ACV Eureka $603 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/24/2026TANYT&leg2=from:ACV,to:COU,departure:6/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:602.39&airProductToken=AQpnCiEI1YIBEgQ0MTcwGMKjASCuHCj3yZADMN3KkAM4TEAAWAEKHwjVggESAzUxMRiuHCCycSiqzJADMNDOkAM4TEABWAEKIQjVggESBDQ2OTUYsnEgwKgBKJnQkAMw8dCQAzhMQAFYAQpqCiII1YIBEgQ1NTA2GMCoASCLuAEo9_mQAzDz-pADOFRAAFgBCiEI1YIBEgQxNzU0GIu4ASCuHCi2-5ADMLf9kAM4VEABWAEKIQjVggESBDU0OTEYrhwgwqMBKKSGkQMwk4eRAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Jun 6 - Tue, Jun 9 COU Columbia ACV Eureka $607 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/6/2026TANYT&leg2=from:ACV,to:COU,departure:6/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:606.40&airProductToken=AQpoCiEI1YIBEgQ0NzkxGMKjASCuHCi4_I4DMJ39jgM4S0AAWAEKIAjVggESBDExMTYYrhwgsnEo2P2OAzD5_44DOEtAAVgBCiEI1YIBEgQ1NjI2GLJxIMCoASiGhY8DMN-FjwM4S0ABWAEKaQoiCNWCARIENTg0MRjAqAEgi7gBKJekjwMwk6WPAzhLQABYAQogCNWCARIDNzI5GIu4ASCuHCiRqI8DMJSqjwM4S0ABWAEKIQjVggESBDQ1MTQYrhwgwqMBKLerjwMwlKyPAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Jun 25 - Sat, Jul 4 COU Columbia ACV Eureka $612 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/25/2026TANYT&leg2=from:ACV,to:COU,departure:7/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:611.40&airProductToken=AQpoCiEI1YIBEgQ0NjA1GMKjASCuHCiX1ZADMP3VkAM4S0AAWAEKIAjVggESBDE1NzcYrhwgsnEo0daQAzDy2JADOEtAAVgBCiEI1YIBEgQ0Njk1GLJxIMCoASi525ADMJHckAM4S0ABWAEKaAohCNWCARIENTMwNRjAqAEgsnEo6L6RAzC7v5EDOEtAAFgBCiAI1YIBEgQyMjc4GLJxIK4cKNLAkQMw2cKRAzhLQAFYAQohCNWCARIENDQ2NBiuHCDCowEo18SRAzC0xZEDOEtAAVgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Jun 24 - Sun, Jul 5 COU Columbia ACV Eureka $618 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/24/2026TANYT&leg2=from:ACV,to:COU,departure:7/5/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:617.40&airProductToken=AQpnCiEI1YIBEgQ0MTcwGMKjASCuHCj3yZADMN3KkAM4TEAAWAEKHwjVggESAzUxMRiuHCCycSiqzJADMNDOkAM4TEABWAEKIQjVggESBDQ2OTUYsnEgwKgBKJnQkAMw8dCQAzhMQAFYAQpqCiII1YIBEgQ1NTA2GMCoASCLuAEo18iRAzDTyZEDOFRAAFgBCiEI1YIBEgQxNzU0GIu4ASCuHCiWypEDMJfMkQM4VEABWAEKIQjVggESBDU0OTEYrhwgwqMBKITVkQMw89WRAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Jun 6 - Fri, Jun 12 COU Columbia ACV Eureka $622 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/6/2026TANYT&leg2=from:ACV,to:COU,departure:6/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:621.41&airProductToken=AQpoCiEI1YIBEgQ0NzkxGMKjASCuHCi4_I4DMJ39jgM4S0AAWAEKIAjVggESBDExMTYYrhwgsnEo2P2OAzD5_44DOEtAAVgBCiEI1YIBEgQ1NjI2GLJxIMCoASiGhY8DMN-FjwM4S0ABWAEKZwohCNWCARIENDYzMhjAqAEgsnEoqcKPAzD1wo8DOExAAFgBCh8I1YIBEgMzNjgYsnEgrhwoxsmPAzDRy48DOEtAAVgBCiEI1YIBEgQ0NTE0GK4cIMKjASiXzY8DMPTNjwM4S0ABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Jun 25 - Wed, Jul 1 COU Columbia ACV Eureka $627 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/25/2026TANYT&leg2=from:ACV,to:COU,departure:7/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:626.41&airProductToken=AQpoCiEI1YIBEgQ0NjA1GMKjASCuHCiX1ZADMP3VkAM4S0AAWAEKIAjVggESBDE1NzcYrhwgsnEo0daQAzDy2JADOEtAAVgBCiEI1YIBEgQ0Njk1GLJxIMCoASi525ADMJHckAM4S0ABWAEKagoiCNWCARIENTUwNhjAqAEgi7gBKNebkQMw05yRAzhLQABYAQohCNWCARIEMTc1NBiLuAEgrhwolp2RAzCXn5EDOEtAAVgBCiEI1YIBEgQ1NDkxGK4cIMKjASiEqJEDMPOokQM4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Jun 25 - Sat, Jun 27 COU Columbia ACV Eureka $632 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/25/2026TANYT&leg2=from:ACV,to:COU,departure:6/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:631.39&airProductToken=AQpoCiEI1YIBEgQ0NjA1GMKjASCuHCiX1ZADMP3VkAM4S0AAWAEKIAjVggESBDE1NzcYrhwgsnEo0daQAzDy2JADOEtAAVgBCiEI1YIBEgQ0Njk1GLJxIMCoASi525ADMJHckAM4S0ABWAEKaAohCNWCARIENDYzMhjAqAEgsnEoieuQAzDV65ADOEtAAFgBCiAI1YIBEgQxODUwGLJxIK4cKPbykAMwgPWQAzhMQAFYAQohCNWCARIENDQ2NBiuHCDCowEo9_WQAzDU9pADOExAAVgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Jun 25 - Fri, Jul 3 COU Columbia ACV Eureka $637 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/25/2026TANYT&leg2=from:ACV,to:COU,departure:7/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:636.39&airProductToken=AQpoCiEI1YIBEgQ0NjA1GMKjASCuHCiX1ZADMP3VkAM4S0AAWAEKIAjVggESBDE1NzcYrhwgsnEo0daQAzDy2JADOEtAAVgBCiEI1YIBEgQ0Njk1GLJxIMCoASi525ADMJHckAM4S0ABWAEKaAohCNWCARIENDY1NRjAqAEgsnEosbGRAzD-sZEDOExAAFgBCiAI1YIBEgQxMzc1GLJxIK4cKL6zkQMwx7WRAzhMQAFYAQohCNWCARIENDQ2NBiuHCDCowEot7mRAzCUupEDOEtAAVgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Jun 5 - Tue, Jun 9 COU Columbia ACV Eureka $647 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/5/2026TANYT&leg2=from:ACV,to:COU,departure:6/9/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:646.40&airProductToken=AQpoCiEI1YIBEgQ0NzkxGMKjASCuHCiY8Y4DMP3xjgM4TEAAWAEKIAjVggESBDExMTYYrhwgsnEouPKOAzDZ9I4DOExAAVgBCiEI1YIBEgQ0Njk1GLJxIMCoASi5-o4DMJH7jgM4TEABWAEKaQoiCNWCARIENTg0MRjAqAEgi7gBKJekjwMwk6WPAzhLQABYAQogCNWCARIDNzI5GIu4ASCuHCiRqI8DMJSqjwM4S0ABWAEKIQjVggESBDQ1MTQYrhwgwqMBKLerjwMwlKyPAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Jun 19 - Mon, Jun 29 COU Columbia ACV Eureka $656 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/19/2026TANYT&leg2=from:ACV,to:COU,departure:6/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:655.40&airProductToken=AQppCiEI1YIBEgQ1NjA5GMKjASCuHCiMkJADMPCQkAM4VEAAWAEKIAjVggESAzM3NBiuHCCLuAEoiZOQAzCclZADOEtAAVgBCiII1YIBEgQ1NDQxGIu4ASDAqAEo45aQAzDel5ADOEtAAVgBCmgKIQjVggESBDQ2MzIYwKgBILJxKMmBkQMwlYKRAzhLQABYAQogCNWCARIEMTg1MBiycSCuHCi2iZEDMMCLkQM4S0ABWAEKIQjVggESBDQ0NjQYrhwgwqMBKLeMkQMwlI2RAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Jun 19 - Thu, Jul 2 COU Columbia ACV Eureka $661 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/19/2026TANYT&leg2=from:ACV,to:COU,departure:7/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:660.40&airProductToken=AQppCiEI1YIBEgQ1NjA5GMKjASCuHCiMkJADMPCQkAM4VEAAWAEKIAjVggESAzM3NBiuHCCLuAEoiZOQAzCclZADOEtAAVgBCiII1YIBEgQ1NDQxGIu4ASDAqAEo45aQAzDel5ADOEtAAVgBCmgKIQjVggESBDQ2NTUYwKgBILJxKJGmkQMw3qaRAzhLQABYAQogCNWCARIEMTM3NRiycSCuHCieqJEDMKeqkQM4S0ABWAEKIQjVggESBDU1MjEYrhwgwqMBKPOvkQMw0rCRAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Jun 10 - Mon, Jun 15 COU Columbia ACV Eureka $662 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/10/2026TANYT&leg2=from:ACV,to:COU,departure:6/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:661.40&airProductToken=AQpoCiEI1YIBEgQ0NzkxGMKjASCuHCi4qY8DMJ2qjwM4S0AAWAEKIAjVggESBDExMTYYrhwgsnEo2KqPAzD5rI8DOEtAAVgBCiEI1YIBEgQ1NjI2GLJxIMCoASiGso8DMN-yjwM4TEABWAEKZwohCNWCARIENDYzMhjAqAEgsnEoieSPAzDV5I8DOExAAFgBCh8I1YIBEgMyNzkYsnEgrhwo9uuPAzCA7o8DOExAAVgBCiEI1YIBEgQ0NTE0GK4cIMKjASj37o8DMNTvjwM4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Jun 19 - Wed, Jul 1 COU Columbia ACV Eureka $676 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/19/2026TANYT&leg2=from:ACV,to:COU,departure:7/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:675.41&airProductToken=AQppCiEI1YIBEgQ1NjA5GMKjASCuHCiMkJADMPCQkAM4VEAAWAEKIAjVggESAzM3NBiuHCCLuAEoiZOQAzCclZADOEtAAVgBCiII1YIBEgQ1NDQxGIu4ASDAqAEo45aQAzDel5ADOEtAAVgBCmoKIgjVggESBDU1MDYYwKgBIIu4ASjXm5EDMNOckQM4S0AAWAEKIQjVggESBDE3NTQYi7gBIK4cKJadkQMwl5-RAzhLQAFYAQohCNWCARIENTUyMRiuHCDCowEo06SRAzCypZEDOExAAVgBEgoIARABGAEqAlVBGAEiBAgBEAEoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Jun 23 - Mon, Jun 29 COU Columbia ACV Eureka $677 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/23/2026TANYT&leg2=from:ACV,to:COU,departure:6/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:676.40&airProductToken=AQpoCiEI1YIBEgQ1ODU3GMKjASCDaSjWvZADMOO-kAM4VEAAWAEKIAjVggESBDE4MTIYg2kgsnEojcCQAzCxwZADOFRAAVgBCiEI1YIBEgQ0Njk1GLJxIMCoASj5xJADMNHFkAM4S0ABWAEKagoiCNWCARIENDc1NhjAqAEgi7gBKOqAkQMw6IGRAzhLQABYAQohCNWCARIEMjc5NBiLuAEgrhwo_4SRAzCAh5EDOEtAAVgBCiEI1YIBEgQ1NzY0GK4cIMKjASjNh5EDMKqIkQM4S0ABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Jun 19 - Sat, Jun 27 COU Columbia ACV Eureka $681 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:COU,to:ACV,departure:6/19/2026TANYT&leg2=from:ACV,to:COU,departure:6/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:680.39&airProductToken=AQppCiEI1YIBEgQ1NjA5GMKjASCuHCiMkJADMPCQkAM4VEAAWAEKIAjVggESAzM3NBiuHCCLuAEoiZOQAzCclZADOEtAAVgBCiII1YIBEgQ1NDQxGIu4ASDAqAEo45aQAzDel5ADOEtAAVgBCmgKIQjVggESBDQ2MzIYwKgBILJxKInrkAMw1euQAzhLQABYAQogCNWCARIEMTg1MBiycSCuHCj28pADMID1kAM4TEABWAEKIQjVggESBDQ0NjQYrhwgwqMBKPf1kAMw1PaQAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![](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. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### How much does a flight from Columbia Regional Airport (COU) to Arcata - Eureka Airport (ACV) cost? ### What is the cheapest month to fly from Columbia Regional Airport (COU) to Arcata - Eureka Airport (ACV)? ### What is the cheapest airline that flies from Columbia Regional Airport (COU) to Arcata - Eureka Airport (ACV)? ### How many flights per day from Columbia Regional Airport (COU) to Arcata - Eureka Airport (ACV)? ### What day of the week has the most flights from COU to ACV? ### What is the best time to fly from Columbia Regional Airport (COU) to Arcata - Eureka Airport (ACV)? ### Is it cheaper to buy a plane ticket from Columbia Regional Airport (COU) to Arcata - Eureka Airport (ACV) last-minute? ### Is it cheaper to book a COU to ACV flight and hotel package? ### Can I cancel or change the date of my flight from Columbia Regional Airport (COU) to Arcata - Eureka Airport (ACV)? ## Travel information | Origin airport | Columbia Regional | | ------------------- | ----------------- | | Destination airport | Arcata - Eureka | | Airlines serving | United | | Roundtrip price | $527 | | Distance | 1687 mi | ## Book with confidence # Columbia to Eureka Flights The cheapest times to fly from Columbia 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 Columbia to Eureka are during the month of June. You can find some of the cheapest flights from Columbia to Eureka with Expedia's search tool and vast selection of airlines. The best time to book a flight from Columbia to Eureka Sunday is one of the best days to book for cheap flights from Columbia 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 Columbia 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 Columbia to Eureka 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 Columbia 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 Columbia 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. \*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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