Title: Cheap Flights to Fort Harrison , MT from CA $145 - Expedia.ca ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Fort Harrison , MT from CA $145 [View CA $145 flight on Sat, Mar 28, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:BOI,to:HLN,departure:28/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:144.40&airProductToken=AQpgCi4IwaYBEgQzMDY2GMFDIJIBKNbsiAMwvO2IAzhYQABYAWoCU1ZyCE9IMk9YSkJOCi4IwaYBEgQyMjIyGJIBIOdqKNHuiAMwse-IAzhYQAFYAWoCU1ZyCE9IMk9YSkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Hotels in Fort Harrison](https://expedia.ca/Fort-Harrison-Hotels.d770577880622936064.Travel-Guide-Hotels)[Fort Harrison Car Rentals](https://expedia.ca/Car-Rentals-In-Fort-Harrison.d770577880622936064.Car-Rental-Guide)[Fort Harrison Vacation Packages](https://expedia.ca/Fort-Harrison.d770577880622936064.Destination-Travel-Guides) ## Popular airlines to Fort Harrison - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Fort Harrison, Montana, United States of America,departure:13/03/2026TANYT&leg2=from:Fort Harrison, Montana, United States of America,to:CMH,departure:20/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Fort Harrison, Montana, United States of America,departure:13/03/2026TANYT&leg2=from:Fort Harrison, Montana, United States of America,to:CMH,departure:20/03/2026TANYT&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_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Fort Harrison, Montana, United States of America,departure:13/03/2026TANYT&leg2=from:Fort Harrison, Montana, United States of America,to:CMH,departure:20/03/2026TANYT&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_AF.svg) Air France [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Fort Harrison, Montana, United States of America,departure:13/03/2026TANYT&leg2=from:Fort Harrison, Montana, United States of America,to:CMH,departure:20/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg) Virgin Atlantic [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Fort Harrison, Montana, United States of America,departure:13/03/2026TANYT&leg2=from:Fort Harrison, Montana, United States of America,to:CMH,departure:20/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Fort Harrison, Montana, United States of America,departure:13/03/2026TANYT&leg2=from:Fort Harrison, Montana, United States of America,to:CMH,departure:20/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Fort Harrison, Montana, United States of America,departure:13/03/2026TANYT&leg2=from:Fort Harrison, Montana, United States of America,to:CMH,departure:20/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) - ![](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 rewards [Sign in](https://www.expedia.ca/login) ## How much is the cheapest flight to Fort Harrison? Prices were available within the past 7 days and start at CA $145 for one-way flights and CA $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, Mar 28 - Sat, Apr 4 BOI Boise HLN Helena CA $289 Roundtrip found 5 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:BOI,to:HLN,departure:28/03/2026TANYT&leg2=from:HLN,to:BOI,departure:04/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:288.70&airProductToken=AQpgCi4IwaYBEgQzMDY2GMFDIJIBKNbsiAMwvO2IAzhYQABYAWoCU1ZyCE9IMk9YSkJOCi4IwaYBEgQyMjIyGJIBIOdqKNHuiAMwse-IAzhYQAFYAWoCU1ZyCE9IMk9YSkJOCl8KLgjBpgESBDIyMjIY52ogkgEotr6JAzCjv4kDOFhAAFgBagJTVnIIT0gyT1hKQk4KLQjBpgESAzMxOBiSASDBQyjvv4kDMMnAiQM4WEABWAFqAlNWcghPSDJPWEpCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Apr 14 - Wed, Apr 29 YVR Vancouver HLN Helena CA $299 Roundtrip found 23 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:HLN,departure:14/04/2026TANYT&leg2=from:HLN,to:YVR,departure:29/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:298.45&airProductToken=AQpFCiEIxJgBEgQzNzIwGLiNASDyEijvqYoDMISrigM4RUAAWAEKIAjEmAESBDM4ODAY8hIg52oorauKAzCQrIoDOEVAAVgBCmYKIAjEmAESBDM4ODAY52og8hIomNWLAzD51YsDOEVAAFgBCh8IxJgBEgM4NzEY8hIgkgEojteLAzCa2IsDOEVAAVgBCiEIxJgBEgQzNjk4GJIBILiNASjz2IsDMLrZiwM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Mar 31 - Tue, Apr 14 YVR Vancouver HLN Helena CA $299 Roundtrip found 23 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:HLN,departure:31/03/2026TANYT&leg2=from:HLN,to:YVR,departure:14/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:298.45&airProductToken=AQpFCiEI1YIBEgQyNDcwGLiNASCDaSicj4kDMMqQiQM4TkAAWAEKIAjVggESBDQ3NTQYg2kg52oo-pGJAzD1kokDOE5AAVgBCkUKIAjVggESBDQ2NjAY52ogg2kon6mKAzCgqooDOE5AAFgBCiEI1YIBEgQyNDMyGINpILiNASj3q4oDMLKtigM4TkABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Apr 1 - Wed, Apr 15 YVR Vancouver HLN Helena CA $305 Roundtrip found 23 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:HLN,departure:01/04/2026TANYT&leg2=from:HLN,to:YVR,departure:15/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:304.17&airProductToken=AQpFCiEIwaYBEgQyMTIyGLiNASCSASi6mYkDMPiZiQM4WEAAWAEKIAjBpgESBDIyMjIYkgEg52oo0ZuJAzCxnIkDOFhAAVgBCkUKIAjBpgESBDIyMjIY52ogkgEolrqKAzCDu4oDOFhAAFgBCiEIwaYBEgQyMjk2GJIBILiNASjyvIoDMK69igM4WEABWAESCggBEAEYASoCQVMYASIECAEQASgEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, Apr 6 - Sat, Apr 11 YXY Whitehorse HLN Helena CA $1,198 Roundtrip found 18 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YXY,to:HLN,departure:06/04/2026TANYT&leg2=from:HLN,to:YXY,departure:11/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1197.82&airProductToken=AQqjAQo2CMGGARIEODA5OBj4xQEguI0BKJDPiQMwntCJAzhHQABYAWoIU1RBTkRBUkRyCEdOQTRBMlRHCjQIwYYBEgM1NzQYuI0BIINpKOfQiQMwm9KJAzhHQAFYAWoIU1RBTkRBUkRyCEdOQTRBMlRHCjMI1YIBEgQ0NzU0GINpIOdqKLrViQMwtdaJAzhXQAFYAWoHRUNPTk9NWXIIV0ZBN09ERE4KsAEKMwjVggESBDQ2NjAY52ogg2kov4eKAzDAiIoDOEtAAFgBagdFQ09OT01ZcghLRkEyQURETgpBCMGGARIEMzIxNRiDaSC4jQEok4yKAzDOjYoDOExAAVgBaghTVEFOREFSRHIITE5BNUFVVEd6CgjVggESBDMyMTUKNgjBhgESBDgxMDQYuI0BIPjFASi5jooDMMqPigM4TEABWAFqCFNUQU5EQVJEcghMTkE1QVVURxIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) ![](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.ca/deals?rfrr=FTG_SPRING_PROMO_) ## Book with confidence Expedia.ca gives you the best tools to secure great deals on flights to Fort Harrison. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Fort Harrison. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Fort Harrison. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Fort Harrison flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Fort Harrison. Looking to save even more? Get additional savings by bundling your Fort Harrison flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Fort Harrison trip! ## Travel information | Destination airport | Helena Regional | | ----------------------------- | --------------- | | Destination airport IATA code | HLN | | Destination city name | Helena | | Roundtrip price | CA $289 | ## Trending flights to Fort Harrison Prices were available within the past 7 days and start at CA $145 for one-way flights and CA $289 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) Tue, Mar 31 - Tue, Apr 14 YVR Vancouver HLN Helena CA $299 Roundtrip found 23 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:HLN,departure:31/03/2026TANYT&leg2=from:HLN,to:YVR,departure:14/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:298.45&airProductToken=AQpFCiEI1YIBEgQyNDcwGLiNASCDaSicj4kDMMqQiQM4TkAAWAEKIAjVggESBDQ3NTQYg2kg52oo-pGJAzD1kokDOE5AAVgBCkUKIAjVggESBDQ2NjAY52ogg2kon6mKAzCgqooDOE5AAFgBCiEI1YIBEgQyNDMyGINpILiNASj3q4oDMLKtigM4TkABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) \*Available to Expedia members.