Title: CA $190 Cheap Flights from Seattle (SEA) to Helena (HLN) - Expedia.ca ![Cathedral of St. Helena featuring landscape views, a city and night scenes](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) # CA $190 Cheap Flights from Seattle (SEA) to Helena (HLN) [View CA $190 flight on Thu, Jun 18, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:SEA,to:HLN,departure:18/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:190.00&airProductToken=AQowCi4IwaYBEgQyMTMxGJIBIOdqKNqIkAMwuYmQAzhYQABYAWoCU1ZyCFFIMk9BU0JOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ## Popular airlines from Seattle-Tacoma International Airport (SEA) to Helena, MT (HLN-Helena Regional) - ![](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:SEA,to:HLN,departure:16/03/2026TANYT&leg2=from:HLN,to:SEA,departure:23/03/2026TANYT&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_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:HLN,departure:16/03/2026TANYT&leg2=from:HLN,to:SEA,departure:23/03/2026TANYT&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_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:HLN,departure:16/03/2026TANYT&leg2=from:HLN,to:SEA,departure:23/03/2026TANYT&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_HA.svg) Hawaiian Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:HLN,departure:16/03/2026TANYT&leg2=from:HLN,to:SEA,departure:23/03/2026TANYT&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) ## Cheap flights from Seattle (SEA) to Helena (HLN) Prices were available within the past 7 days and start at CA $190 for one-way flights and CA $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Tue, Mar 31 - Tue, Apr 14 SEA Seattle HLN Helena CA $160 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:HLN,departure:31/03/2026TANYT&leg2=from:HLN,to:SEA,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:159.60&airProductToken=AQoiCiAIyIIBEgQ2NzEzGJIBIOdqKLGQiQMwkZGJAzhVQABYAQoiCiAIyIIBEgQ2MTcwGOdqIJIBKPauigMw46-KAzhVQABYARIKCAEQARgBKgJIQRgBIgQIARABKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 12 - Tue, Apr 28 SEA Seattle HLN Helena CA $174 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:HLN,departure:12/04/2026TANYT&leg2=from:HLN,to:SEA,departure:28/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:173.60&airProductToken=AQoiCiAIwaYBEgQyMjIyGJIBIOdqKLGXigMwkZiKAzhYQABYAQoiCiAIwaYBEgQyMjIyGOdqIJIBKLbMiwMwoc2LAzhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 12 - Mon, Apr 27 SEA Seattle HLN Helena CA $188 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:HLN,departure:12/04/2026TANYT&leg2=from:HLN,to:SEA,departure:27/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:187.50&airProductToken=AQoiCiAIwaYBEgQyMjIyGJIBIOdqKLGXigMwkZiKAzhYQABYAQoiCiAIwaYBEgQyMjIyGOdqIJIBKJbBiwMwgcKLAzhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Wed, May 13 SEA Seattle HLN Helena CA $243 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:HLN,departure:26/04/2026TANYT&leg2=from:HLN,to:SEA,departure:13/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:242.40&airProductToken=AQoiCiAIwaYBEgQyMjIyGJIBIOdqKO-0iwMw0bWLAzhYQABYAQoiCiAIwaYBEgQyMDQwGOdqIJIBKLP0jAMwofWMAzhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Thu, Apr 23 - Tue, May 5 SEA Seattle HLN Helena CA $256 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:HLN,departure:23/04/2026TANYT&leg2=from:HLN,to:SEA,departure:05/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:255.40&airProductToken=AQpECiAIxJgBEgQxMTI4GJIBIPISKNOOiwMw0Y-LAzhFQABYAQogCMSYARIEMzg4MBjyEiDnaijNkIsDMLCRiwM4RUABWAEKQwogCMSYARIEMzg4MBjnaiDyEijYmIwDMLmZjAM4RUAAWAEKHwjEmAESAzg3MRjyEiCSASjOmowDMNqbjAM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Tue, May 12 SEA Seattle HLN Helena CA $257 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:HLN,departure:26/04/2026TANYT&leg2=from:HLN,to:SEA,departure:12/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:256.30&airProductToken=AQoiCiAIwaYBEgQyMjIyGJIBIOdqKO-0iwMw0bWLAzhYQABYAQoiCiAIwaYBEgQyMjIyGOdqIJIBKPbpjAMw4eqMAzhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Fri, Apr 3 - Tue, Apr 14 SEA Seattle HLN Helena CA $263 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:HLN,departure:03/04/2026TANYT&leg2=from:HLN,to:SEA,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:262.80&airProductToken=AQoiCiAIyIIBEgQ2NzEzGJIBIOdqKJGyiQMw8bKJAzhVQABYAQoiCiAIyIIBEgQ2MTcwGOdqIJIBKPauigMw46-KAzhVQABYARIKCAEQARgBKgJIQRgBIgQIARABKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, Apr 8 - Thu, Apr 23 SEA Seattle HLN Helena CA $277 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:HLN,departure:08/04/2026TANYT&leg2=from:HLN,to:SEA,departure:23/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:276.80&airProductToken=AQoiCiAIwaYBEgQyMjIyGJIBIOdqKLHqiQMwkeuJAzhYQABYAQoiCiAIwaYBEgQyMjIyGOdqIJIBKJaUiwMwgZWLAzhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, Apr 26 - Thu, May 14 SEA Seattle HLN Helena CA $325 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:HLN,departure:26/04/2026TANYT&leg2=from:HLN,to:SEA,departure:14/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:324.10&airProductToken=AQoiCiAIwaYBEgQyMjIyGJIBIOdqKO-0iwMw0bWLAzhYQABYAQoiCiAIwaYBEgQyMDQwGOdqIJIBKNP_jAMwwYCNAzhYQABYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, Mar 15 - Tue, Mar 31 SEA Seattle HLN Helena CA $545 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:SEA,to:HLN,departure:15/03/2026TANYT&leg2=from:HLN,to:SEA,departure:31/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:544.60&airProductToken=AQpECiAI1YIBEgQyNjAxGJIBIINpKNDXhwMw79iHAzhUQABYAQogCNWCARIENTM4OBiDaSDnaiia2ocDMJrbhwM4VEABWAEKQwogCNWCARIENTkxMRjnaiCDaSjJj4kDMMqQiQM4S0AAWAEKHwjVggESAzM2MBiDaSCSASjhkYkDMJaTiQM4S0ABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![](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_) ## Alternative airports near Helena Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:HLN,departure:16/03/2026TANYT&leg2=from:HLN,to:SEA,departure:04/04/2026TANYT&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 CA $338 ](https://www.expedia.ca/Flights-Search?leg1=from:SEA,to:HLN,departure:16/03/2026TANYT&leg2=from:HLN,to:SEA,departure:04/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Seattle (SEA) to Helena (HLN) ### November is typically the cheapest month to fly From CA $179 - CA $870 per traveller. ## Frequently asked questions ### How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Helena Regional Airport (HLN)? ### Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Helena Regional Airport (HLN)? ### How do I find cheap flights from Sea-Tac Airport to Helena Regional Airport that have flexible change policies? ### How many hours is the flight from SEA to Helena Regional Airport? ### How far is the flight from SEA to Helena Regional Airport (HLN)? ### Which airlines fly direct from Sea-Tac Airport to Helena Regional Airport (HLN)? ### Are SEA to Helena Regional Airport (HLN) flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Seattle - Tacoma Intl. | | ------------------- | ---------------------- | | Destination airport | Helena Regional | | Roundtrip price | CA $160 | | Distance | 781 km | | Average flight time | 1 hour 38 mins | ## Book with confidence # Seattle to Helena Flights **The easy way to book your flights from Seattle to Helena** With Expedia, it’s simple to find and book flights to Helena from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Helena Regional, too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Helena today, tomorrow, or this week. **Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Helena Regional, HLN** Sort your search results by price to find great deals on your flight from Seattle to Helena—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Helena from Seattle currently is just CA $160 rising to CA $917\. Here are more money-saving tips: - Fly in March when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Helena - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to Helena from Seattle** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. 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[Flights from West Palm Beach (PBI) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/pbi/gtf/west-palm-beach-to-great-falls) - [Flights from Portland (PDX) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/pdx/gtf/portland-to-great-falls) - [Flights from Pittsburgh (PIT) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/pit/gtf/pittsburgh-to-great-falls) - [Flights from Pensacola (PNS) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/pns/gtf/pensacola-to-great-falls) - [Flights from Palm Springs (PSP) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/psp/gtf/palm-springs-to-great-falls) - [Flights from Provo (PVU) to Butte (BTM) ](https://www.expedia.ca/lp/flights/pvu/btm/provo-to-butte) - [Flights from Provo (PVU) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/pvu/gtf/provo-to-great-falls) - [Flights from Raleigh (RDU) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/rdu/gtf/raleigh-to-great-falls) - [Flights from Fort Myers (RSW) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/rsw/gtf/fort-myers-to-great-falls) - [Flights from San Antonio (SAT) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/sat/gtf/san-antonio-to-great-falls) - [Flights from Savannah (SAV) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/sav/gtf/savannah-to-great-falls) - [Flights from Louisville (SDF) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/sdf/gtf/louisville-to-great-falls) - [Flights from Sidney (SDY) to Butte (BTM) ](https://www.expedia.ca/lp/flights/sdy/btm/sidney-to-butte) - [Flights from San Francisco (SFO) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/sfo/gtf/san-francisco-to-great-falls) - [Flights from Sacramento (SMF) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/smf/gtf/sacramento-to-great-falls) - [Flights from Sydney (SYD) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/syd/gtf/sydney-to-great-falls) - [Flights from Tampa (TPA) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/tpa/gtf/tampa-to-great-falls) - [Flights from Tri-Cities (TRI) to Butte (BTM) ](https://www.expedia.ca/lp/flights/tri/btm/tri-cities-to-butte) - [Flights from Tucson (TUS) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/tus/gtf/tucson-to-great-falls) - [Flights from Victoria (VCT) to Butte (BTM) ](https://www.expedia.ca/lp/flights/vct/btm/victoria-to-butte) - [Flights from Wrangell (WRG) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/wrg/gtf/wrangell-to-great-falls) - [Flights from Williston (XWA) to Butte (BTM) ](https://www.expedia.ca/lp/flights/xwa/btm/williston-to-butte) - [Flights from Nanaimo (YCD) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/ycd/gtf/nanaimo-to-great-falls) - [Flights from Edmonton (YEG) to Butte (BTM) ](https://www.expedia.ca/lp/flights/yeg/btm/edmonton-to-butte) - [Flights from Edmonton (YEG) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yeg/gtf/edmonton-to-great-falls) - [Flights from Halifax (YHZ) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yhz/gtf/halifax-to-great-falls) - [Flights from Kitchener (YKF) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/ykf/gtf/kitchener-to-great-falls) - [Flights from Kelowna (YLW) to Butte (BTM) ](https://www.expedia.ca/lp/flights/ylw/btm/kelowna-to-butte) - [Flights from Ottawa (YOW) to Butte (BTM) ](https://www.expedia.ca/lp/flights/yow/btm/ottawa-to-butte) - [Flights from Ottawa (YOW) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yow/gtf/ottawa-to-great-falls) - [Flights from Québec (YQB) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yqb/gtf/quebec-to-great-falls) - [Flights from The Pas (YQD) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yqd/gtf/the-pas-to-great-falls) - [Flights from Lethbridge (YQL) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yql/gtf/lethbridge-to-great-falls) - [Flights from Regina (YQR) to Butte (BTM) ](https://www.expedia.ca/lp/flights/yqr/btm/regina-to-butte) - [Flights from Thunder Bay (YQT) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yqt/gtf/thunder-bay-to-great-falls) - [Flights from Toronto (YTO) to Butte (BTM) ](https://www.expedia.ca/lp/flights/yto/btm/toronto-to-butte) - [Flights from Montreal (YUL) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yul/gtf/montreal-to-great-falls) - [Flights from Vancouver (YVR) to Butte (BTM) ](https://www.expedia.ca/lp/flights/yvr/btm/vancouver-to-butte) - [Flights from Winnipeg (YWG) to Butte (BTM) ](https://www.expedia.ca/lp/flights/ywg/btm/winnipeg-to-butte) - [Flights from Cranbrook (YXC) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yxc/gtf/cranbrook-to-great-falls) - [Flights from Saskatoon (YXE) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yxe/gtf/saskatoon-to-great-falls) - [Flights from Medicine Hat (YXH) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yxh/gtf/medicine-hat-to-great-falls) - [Flights from Prince George (YXS) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yxs/gtf/prince-george-to-great-falls) - [Flights from Abbotsford (YXX) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yxx/gtf/abbotsford-to-great-falls) - [Flights from Calgary (YYC) to Butte (BTM) ](https://www.expedia.ca/lp/flights/yyc/btm/calgary-to-butte) - [Flights from Calgary (YYC) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yyc/gtf/calgary-to-great-falls) - [Flights from St. John's (YYT) to Great Falls (GTF) ](https://www.expedia.ca/lp/flights/yyt/gtf/st-johns-to-great-falls) - [Flights from Toronto (YYZ) to Butte (BTM) ](https://www.expedia.ca/lp/flights/yyz/btm/toronto-to-butte) \*Available to Expedia members.