Title: Cheap Flights from Baltimore (BWI) 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 Baltimore (BWI) 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 Baltimore Washington International Airport (BWI) to Williston, ND (XWA-Basin Intl.) - ![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:bwi,to:xwa,departure:17/11/2025TANYT&leg2=from:xwa,to:bwi,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:bwi,to:xwa,departure:17/11/2025TANYT&leg2=from:xwa,to:bwi,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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) ## Frequently asked questions ### How much is a flight from BWI Marshall to XWA? > Start packing your suitcase, because round-trip flights between BWI and XWA start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to XWA? > This differs between airlines, as each has its own set of terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find instructions on how to cancel your flight online. ### How do I find cheap flights from BWI to Basin Intl. Airport (XWA) that have flexible change policies? > Plenty of airlines will allow you to move your flight without charging a fee. All you pay is the fare difference. When looking for BWI Marshall to Basin Intl. Airport (XWA) flights, you'll find a "No change fees" filter for you to pick. ### How many hours is the flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Williston Basin Intl. Airport? > The flight time from BWI to XWA is around 5 hours and 36 minutes. Put your headphones on, listen to your favourite playlist and your trip will whiz by. ### How far is the flight from BWI Marshall to XWA? > Expect to be up above the clouds for a while, as the flight distance from BWI to XWA is 2,400 kilometres. Create a playlist of your favourite songs before leaving home to stay entertained during the journey. ### Which airlines fly direct from BWI Airport to Williston Basin Intl. Airport? > Unfortunately, there aren't any airlines that fly directly between BWI Marshall and Williston Basin Intl. Airport. You'll need to book a flight with at least one stop. ### Are BWI Marshall to Basin Intl. Airport (XWA) flight tickets cheaper when they're purchased at the last minute? > Flight tickets from BWI to Williston Basin Intl. Airport are available up to 12 months before departure on Expedia. And although you may occasionally nab great last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid getting caught in the dreaded middle seat! We regularly update our fares to bring you the best bargains, so check back often for all the latest specials. ## Travel information | Origin airport | Baltimore Washington Intl. Thurgood Marshall | | --- | --- | | Destination airport | Basin Intl. | | Distance | 2368 km | ## Book with confidence ### Baltimore to Williston Flights **The easy way to book your flights from Baltimore to Williston**  With Expedia, it’s simple to find and book flights to Williston from Baltimore 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 Baltimore to Williston today, tomorrow, or this week.   **Save dollars with cheap flights from Baltimore Washington Intl. Thurgood Marshall, BWI to Basin Intl., XWA**  Sort your search results by price to find great deals on your flight from Baltimore to Williston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Williston from Baltimore 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 Baltimore**  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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