Title: Cheap Flights from Portland (PDX) 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 Portland (PDX) 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 Portland International Airport (PDX) 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:pdx,to:xwa,departure:23/10/2025TANYT&leg2=from:xwa,to:pdx,departure:30/10/2025TANYT&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:pdx,to:xwa,departure:23/10/2025TANYT&leg2=from:xwa,to:pdx,departure:30/10/2025TANYT&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) ## Find the cheapest month to fly from Portland (PDX) to Williston (XWA) ### February is typically the cheapest month to fly From CA $345 - CA $846 per traveller. Flight from Portland to Williston (PDX - XWA) route information | Origin airport | Portland Intl. | | --- | --- | | Destination airport | Basin Intl. | | Distance | 1448 km | ## Portland to Williston Flights **The easy way to book your flights from Portland to Williston**  With Expedia, it’s simple to find and book flights to Williston from Portland 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 Portland to Williston today, tomorrow, or this week.   **Save dollars with cheap flights from Portland Intl., PDX to Basin Intl., XWA**  Sort your search results by price to find great deals on your flight from Portland to Williston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Williston from Portland 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 Portland**  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 PDX to Williston Basin Intl. Airport? > The lowest price advertised for a round-trip flight between Portland Airport and Basin Intl. Airport (XWA) is . But you better get moving. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from PDX to Basin Intl. Airport (XWA)? > This can vary from airline to airline, as each has its own terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find easy instructions on how to cancel your flight online. ### How do I find cheap flights from PDX Airport to XWA that have flexible change policies? > Many airlines offer the option to reschedule your flight without charging a fee. All you pay is the difference in the ticket price. When searching for Portland Intl. Airport (PDX) to Williston Basin Intl. Airport flights, you'll find a "No change fees" filter for you to select. ### How many hours is the flight from PDX to XWA? > The flight time from Portland Intl. Airport (PDX) to Basin Intl. Airport (XWA) is roughly 4 hours and 59 minutes. Put your headphones on, listen to your favourite podcast and the hours in the air will whiz by. ### How far is the flight from PDX to Basin Intl. Airport (XWA)? > That new movie you've been eager to see will have to wait — the flight distance between Portland Airport (PDX) and XWA (XWA) is only 1,450 kilometres. The captain will be asking you to buckle up for touchdown before you know it. ### Which airlines fly direct from PDX Airport to Williston Basin Intl. Airport? > Unfortunately, there aren't any airlines that directly fly between Portland Intl. Airport (PDX) and Williston Basin Intl. Airport. You'll have to book a flight with one or more stops. ### Are PDX to Williston Basin Intl. Airport flight tickets cheaper when they're purchased at the last minute? > Flight prices always go up and down, so it's no sure thing. While last-minute deals between PDX Airport and Basin Intl. Airport (XWA) are of course possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some airlines publish their prices up to 12 months before the departure date. Expedia is continuously updating the biggest bargains around, so check back often and be ready to book when the price is low. ## 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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