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

View $265 flight on Thu, Oct 2, 2025Opens in a new window

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

Cheap Flights from Williston to Portland (XWA-PDX)

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.

Delta
Tue, Nov 4 - Wed, Nov 19
XWA
Williston
PDX
Portland
$248 Roundtrip, found 1 day ago
$248
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 4 from Williston to Portland, returning Wed, Nov 19, priced at $248 found 1 day ago
Delta
Sat, Nov 1 - Wed, Nov 19
XWA
Williston
PDX
Portland
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Nov 1 from Williston to Portland, returning Wed, Nov 19, priced at $254 found 1 day ago
Delta
Tue, Sep 23 - Thu, Oct 2
XWA
Williston
PDX
Portland
$263 Roundtrip, found 9 hours ago
$263
Roundtrip
found 9 hours ago
Select Delta flight, departing Tue, Sep 23 from Williston to Portland, returning Thu, Oct 2, priced at $263 found 9 hours ago
United
Thu, Sep 25 - Tue, Sep 30
XWA
Williston
PDX
Portland
$269 Roundtrip, found 18 hours ago
$269
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Sep 25 from Williston to Portland, returning Tue, Sep 30, priced at $269 found 18 hours ago
United
Wed, Oct 22 - Sat, Oct 25
XWA
Williston
PDX
Portland
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 22 from Williston to Portland, returning Sat, Oct 25, priced at $273 found 1 day ago
Delta
Mon, Nov 17 - Wed, Dec 3
XWA
Williston
PDX
Portland
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 17 from Williston to Portland, returning Wed, Dec 3, priced at $278 found 1 day ago
Delta
Tue, Oct 21 - Wed, Oct 29
XWA
Williston
PDX
Portland
$282 Roundtrip, found 4 days ago
$282
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 21 from Williston to Portland, returning Wed, Oct 29, priced at $282 found 4 days ago
Delta
Sun, Dec 14 - Tue, Dec 30
XWA
Williston
PDX
Portland
$292 Roundtrip, found 1 day ago
$292
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Dec 14 from Williston to Portland, returning Tue, Dec 30, priced at $292 found 1 day ago
Delta
Thu, Sep 25 - Thu, Oct 2
XWA
Williston
PDX
Portland
$298 Roundtrip, found 9 hours ago
$298
Roundtrip
found 9 hours ago
Select Delta flight, departing Thu, Sep 25 from Williston to Portland, returning Thu, Oct 2, priced at $298 found 9 hours ago
United
Wed, Sep 24 - Sat, Sep 27
XWA
Williston
PDX
Portland
$301 Roundtrip, found 1 day ago
$301
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 24 from Williston to Portland, returning Sat, Sep 27, priced at $301 found 1 day ago

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

February is typically the cheapest month to fly

From $248 - $689 per traveler.

Alternative airports near Portland

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

Select flight to Portland Intl. PDX. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $278
PDX
Portland Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $278
Flights from Williston (XWA) to Portland (PDX)
Origin airport
Basin Intl.
Destination airport
Portland Intl.
Airlines serving
Delta, United
Roundtrip price
$248
Distance
905 mi

Williston to Portland Flights

The cheapest times to fly from Williston to Portland

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 Williston to Portland are during the month of November. You can find some of the cheapest flights from Williston to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Williston to Portland

Sunday is one of the best days to book for cheap flights from Williston to Portland: 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 Williston to Portland

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 Williston to Portland 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 Williston to Portland 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 Williston to Portland 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 Basin Intl. Airport (XWA) to Portland Intl. Airport (PDX) cost?
Lock in a cheap one-way flight from $265 or cheap return flight from $248 from Basin Intl. Airport (XWA) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Basin Intl. Airport (XWA) to Portland Intl. Airport (PDX)?
The cheapest month to fly from XWA to PDX is November, when there's less demand. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Basin Intl. Airport (XWA) to Portland Intl. Airport (PDX)?
To find the cheapest airline that'll fly you from XWA to PDX, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Basin Intl. Airport (XWA) to Portland Intl. Airport (PDX)?
Nonstop flights from Basin Intl. Airport (XWA) to Portland Intl. Airport (PDX) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from XWA to PDX?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Basin Intl. Airport (XWA) to Portland Intl. Airport (PDX)?
Select a flight from Basin Intl. Airport (XWA) to Portland Intl. Airport (PDX) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**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 Basin Intl. Airport (XWA) to Portland Intl. Airport (PDX) last-minute?
Waiting until right before your break to book a ticket from XWA to PDX often results in higher prices. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book a XWA to PDX flight and hotel package?
Booking a XWA to PDX flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Basin Intl. Airport (XWA) to Portland Intl. Airport (PDX)?
If you reserved your XWA to PDX flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.