Title: Cheap Flights from Missoula (MSO) to Williston (XWA) - Expedia.ca ![Fort Union Trading Post National Historic Site](https://images.trvl-media.com/place/1636/216762a5-d8a6-4666-828a-1f78827c1e83.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1636/216762a5-d8a6-4666-828a-1f78827c1e83.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Missoula (MSO) to Williston (XWA) - [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 Missoula Intl. Airport (MSO) to Williston, ND (XWA-Basin Intl.) - ![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:MSO,to:XWA,departure:16/12/2025TANYT&leg2=from:XWA,to:MSO,departure:23/12/2025TANYT&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:MSO,to:XWA,departure:16/12/2025TANYT&leg2=from:XWA,to:MSO,departure:23/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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) ![](https://forever.travel-assets.com/flex/flexmanager/images/2025/11/05/BEX-BF-25_CA_1_Desktop.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## Black Friday Sale Limited-time deals: save up to 50% on select hotels [Book now](https://expedia.ca/deals?rfrr=FTG_BF_PROMO_) Flight from Missoula to Williston (MSO - XWA) route information | Origin airport | Missoula Intl. | | --- | --- | | Destination airport | Basin Intl. | | Distance | 783 km | ## Missoula to Williston Flights **The easy way to book your flights from Missoula to Williston**  With Expedia, it’s simple to find and book flights to Williston from Missoula 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 Basin Intl., 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 Missoula to Williston today, tomorrow, or this week.   **Save dollars with cheap flights from Missoula Intl., MSO to Basin Intl., XWA**  Sort your search results by price to find great deals on your flight from Missoula to Williston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Williston from Missoula 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 Williston   - 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 Williston from Missoula**  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 Williston with Expedia today. ## Frequently asked questions ### How much is a flight from Missoula Intl. Airport to Williston Basin Intl. Airport? > Round-trip journeys from MSO to Williston Basin Intl. Airport start from . This price is based on fares offered 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 Missoula Intl. Airport (MSO) to XWA? > This differs between airlines, as each one has its own set of terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where there are easy instructions on how to cancel online. ### How do I find cheap flights from Missoula Intl. Airport (MSO) to Basin Intl. Airport (XWA) that have flexible change policies? > Select our "No change fees" filter to find flexible ticketing options for your flight from Missoula Intl. Airport to XWA. This allows you to lock in a low rate in advance and still have the freedom to make changes without any extra fees. Keep in mind that you'll need to cover the fare difference. ### How many hours is the flight from Missoula Intl. Airport (MSO) to Basin Intl. Airport (XWA)? > It takes approximately 4 hours and 34 minutes to journey from Missoula Intl. Airport (MSO) to Basin Intl. Airport (XWA). But with a solid playlist and a good novel, the hours will go by quicker. ### How far is the flight from Missoula Intl. Airport (MSO) to Williston Basin Intl. Airport? > The distance from Missoula Intl. Airport (MSO) to XWA (XWA) is just 790 kilometres. You'll be disembarking the plane and collecting your suitcase from the carousel before long. ### Which airlines fly direct from Missoula Intl. Airport to Basin Intl. Airport (XWA)? > Unfortunately, there are no airlines that fly directly between MSO and Basin Intl. Airport (XWA). You'll need to book a flight with one or more stops. ### Are Missoula Intl. Airport to Basin Intl. Airport (XWA) flight tickets cheaper when they're purchased at the last minute? > Flight prices are constantly going up and down, so there are no guarantees. While last-minute flight deals between Missoula Intl. Airport (MSO) and Williston Basin Intl. Airport are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some carriers publicize their prices up to a year ahead of the departure date. Expedia is continuously updating the best bargains around, so keep checking back and be ready to book when the fares dip. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental ### Lodging - [5 Star Hotels in Williston](https://www.expedia.ca/5Star-Williston-Hotels.s50-0-d1636.Travel-Guide-Filter-Hotels) - [Hotels near CHI St. Alexius Health - Williston Medical Center](https://www.expedia.ca/CHI-St-Alexius-Health-Williston-Medical-Center-Hotels.0-l553248634341018165-0.Travel-Guide-Filter-Hotels) - [Epping Hotels](https://www.expedia.ca/Epping-Hotels.d6360613.Travel-Guide-Hotels) - [Hotels near Fort Union Trading Post](https://www.expedia.ca/Fort-Union-Trading-Post-Hotels.0-l553248621533115664-0.Travel-Guide-Filter-Hotels) - [Vacation Homes in Springbrook](https://www.expedia.ca/Springbrook-Private-Vacation-Homes.d553248634983382294-aaPrivateVacationHomes.Travel-Guide-Accommodation) - [Aparthotels in Trenton](https://www.expedia.ca/Trenton-Apart-Hotels.d6341419-aaApartHotels.Travel-Guide-Accommodation) - 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