Title: Cheap Flights from Williston (XWA) 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) # Cheap Flights from Williston (XWA) to Helena (HLN) - [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 ## Popular airlines from Williston, ND (XWA-Basin Intl.) to Helena, MT (HLN-Helena Regional) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:xwa,to:hln,departure:19/11/2025TANYT&leg2=from:hln,to:xwa,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:xwa,to:hln,departure:19/11/2025TANYT&leg2=from:hln,to:xwa,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:xwa,to:hln,departure:19/11/2025TANYT&leg2=from:hln,to:xwa,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:xwa,to:hln,departure:19/11/2025TANYT&leg2=from:hln,to:xwa,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](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:xwa,to:hln,departure:19/11/2025TANYT&leg2=from:hln,to:xwa,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](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:xwa,to:hln,departure:19/11/2025TANYT&leg2=from:hln,to:xwa,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:xwa,to:hln,departure:19/11/2025TANYT&leg2=from:hln,to:xwa,departure:26/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![notification illustration](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\* - ![deals illustration](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\* - ![trophy illustration](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) Flight from Williston to Helena (XWA - HLN) route information | Origin airport | Basin Intl. | | --- | --- | | Destination airport | Helena Regional | | Distance | 642 km | ## Williston to Helena Flights **The easy way to book your flights from Williston to Helena**  With Expedia, it’s simple to find and book flights to Helena from Williston whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 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 Williston to Helena today, tomorrow, or this week.   **Save dollars with cheap flights from Basin Intl., XWA to Helena Regional, HLN**  Sort your search results by price to find great deals on your flight from Williston to Helena—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Helena from Williston currently is just rising to .   Here are more money-saving tips:  - Fly in 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 Williston**  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. So book your flight to Helena with Expedia today. ## Frequently asked questions ### How much is a flight from XWA to HLN? > Round-trip flights between Williston Basin Intl. Airport and HLN start from . This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Williston Basin Intl. Airport to HLN? > Every air carrier has its own set of terms and conditions. If you decide to cancel your vacation, head to our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from XWA to HLN that have flexible change policies? > Use our "No change fees" filter to find flexible travel options for your flight from XWA to Helena Regional Airport. This allows you to snag a fantastic price in advance and still have the freedom to make changes without any extra fees. If the new flight costs more, you'll just cover the difference. ### How many hours is the flight from XWA to Helena Regional Airport? > It takes roughly 4 hours and 28 minutes to journey from Williston Basin Intl. Airport to Helena Regional Airport (HLN). But with some movies and a good book, the time will go by quicker. ### How far is the flight from XWA to Helena Regional Airport? > That new movie you've been desperate to see will just have to wait — the flight distance between XWA and HLN is only 650 kilometres. The captain will be telling you to put your seat upright for landing before you know it. ### Which airlines fly direct from Williston Basin Intl. Airport to Helena Regional Airport (HLN)? > You won't find any airlines operating directly between Williston Basin Intl. Airport and Helena Regional Airport (HLN), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip! ### Are XWA to Helena Regional Airport flight tickets cheaper when they're purchased at the last minute? > Late planners can occasionally find a bargain, with some of the cheapest fares from Basin Intl. Airport (XWA) to HLN cropping up a few weeks before the date of departure. If you'd rather plan ahead, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. 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