$265 Cheap Flights from Portland (PDX) to Williston (XWA)

Popular airlines from Portland International Airport (PDX) to Williston, ND (XWA-Basin Intl.)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Portland to Williston (PDX-XWA)

Prices were available within the past 7 days and start at $265 for one-way flights and $248 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
Delta
United
United
United
United
Delta
United
Delta

Find the cheapest month to fly from Portland (PDX) to Williston (XWA)

February is typically the cheapest month to fly

From $248 - $552 per traveler.

Graph displaying average flight prices per month

Alternative airports near Williston

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Portland (PDX) to Williston (XWA)
Origin airport
Portland Intl.
Destination airport
Basin Intl.
Airlines serving
Delta, United
Roundtrip price
$248
Distance
905 mi

Portland to Williston Flights

The cheapest times to fly from Portland to Williston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Williston are during the month of August. You can find some of the cheapest flights from Portland to Williston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Williston

Sunday is one of the best days to book for cheap flights from Portland to Williston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Williston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Williston in 2025. You can also book with separate airlines for your outbound and return journeys, from $265 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Williston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Williston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Basin Intl. Airport (XWA) cost?
Get a cheap one-way flight from $265 or cheap return flight from $248 from Portland Intl. Airport (PDX) to Basin Intl. Airport (XWA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Basin Intl. Airport (XWA)?
Traveling in August is a great way to save, as it's the cheapest month for flights between PDX and XWA. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Basin Intl. Airport (XWA)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PDX to XWA. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Portland Intl. Airport (PDX) to Basin Intl. Airport (XWA)?
You'll need to take a flight with a layover if you're traveling from Portland Intl. Airport (PDX) to Basin Intl. Airport (XWA). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from PDX to XWA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Basin Intl. Airport (XWA)?
To arrive at Basin Intl. Airport (XWA) without delays, opt for a flight that leaves from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Basin Intl. Airport (XWA) last-minute?
Last-minute fares from PDX to XWA are typically more expensive. To lock in the best rates, start looking for flights as early as possible. That said, if you can play around with your travel dates, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a PDX to XWA flight and hotel package?
You'll typically save money by securing a PDX to XWA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Basin Intl. Airport (XWA)?
If you reserved your PDX to XWA flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.