$408 Cheap Flights from Buffalo (BUF) to Williston (XWA)

View $408 flight on Tue, Apr 7, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Williston, ND (XWA-Basin Intl.)

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Cheap Flights from Buffalo to Williston (BUF-XWA)

Prices were available within the past 7 days and start at $408 for one-way flights and $617 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Apr 7 - Wed, Apr 22
BUF
Buffalo
XWA
Williston
$617 Roundtrip, found 4 days ago
$617
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 7 from Buffalo to Williston, returning Wed, Apr 22, priced at $617 found 4 days ago
Delta
Tue, Apr 7 - Wed, Apr 22
BUF
Buffalo
XWA
Williston
$647 Roundtrip, found 4 days ago
$647
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 7 from Buffalo to Williston, returning Wed, Apr 22, priced at $647 found 4 days ago
Delta
Tue, Apr 7 - Wed, Apr 22
BUF
Buffalo
XWA
Williston
$677 Roundtrip, found 4 days ago
$677
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 7 from Buffalo to Williston, returning Wed, Apr 22, priced at $677 found 4 days ago
Delta
Tue, Apr 7 - Wed, Apr 22
BUF
Buffalo
XWA
Williston
$689 Roundtrip, found 4 days ago
$689
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 7 from Buffalo to Williston, returning Wed, Apr 22, priced at $689 found 4 days ago
Delta
Tue, Apr 7 - Wed, Apr 22
BUF
Buffalo
XWA
Williston
$707 Roundtrip, found 4 days ago
$707
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 7 from Buffalo to Williston, returning Wed, Apr 22, priced at $707 found 4 days ago
Delta
Tue, Apr 7 - Wed, Apr 22
BUF
Buffalo
XWA
Williston
$712 Roundtrip, found 4 days ago
$712
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 7 from Buffalo to Williston, returning Wed, Apr 22, priced at $712 found 4 days ago
Delta
Tue, Apr 7 - Wed, Apr 22
BUF
Buffalo
XWA
Williston
$717 Roundtrip, found 4 days ago
$717
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 7 from Buffalo to Williston, returning Wed, Apr 22, priced at $717 found 4 days ago
Delta
Tue, Apr 7 - Wed, Apr 22
BUF
Buffalo
XWA
Williston
$719 Roundtrip, found 4 days ago
$719
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 7 from Buffalo to Williston, returning Wed, Apr 22, priced at $719 found 4 days ago
Delta
Tue, Apr 7 - Wed, Apr 22
BUF
Buffalo
XWA
Williston
$747 Roundtrip, found 4 days ago
$747
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 7 from Buffalo to Williston, returning Wed, Apr 22, priced at $747 found 4 days ago
United
Tue, Apr 7 - Wed, Apr 22
BUF
Buffalo
XWA
Williston
$815 Roundtrip, found 4 days ago
$815
Roundtrip
found 4 days ago
Select United flight, departing Tue, Apr 7 from Buffalo to Williston, returning Wed, Apr 22, priced at $815 found 4 days ago
Flights from Buffalo (BUF) to Williston (XWA)
Origin airport
Buffalo Niagara Intl.
Destination airport
Basin Intl.
Roundtrip price
$616
Distance
1257 mi

Buffalo to Williston Flights

The cheapest times to fly from Buffalo 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 Buffalo to Williston are during the month of April. You can find some of the cheapest flights from Buffalo to Williston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Williston

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Williston in 2026. You can also book with separate airlines for your outbound and return journeys, from $408 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 Buffalo 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 Buffalo 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 Buffalo Niagara Intl. Airport (BUF) to Basin Intl. Airport (XWA) cost?
Grab a cheap one-way flight from $408 or cheap return flight from $617 from Buffalo Niagara Intl. Airport (BUF) to Basin Intl. Airport (XWA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Basin Intl. Airport (XWA)?
April is the least expensive month to fly from BUF to XWA. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Basin Intl. Airport (XWA)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from BUF to XWA. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Basin Intl. Airport (XWA)?
Direct flights from Buffalo Niagara Intl. Airport (BUF) to Basin Intl. Airport (XWA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BUF to XWA?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various 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 Buffalo Niagara Intl. Airport (BUF) to Basin Intl. Airport (XWA)?
To land at Basin Intl. Airport (XWA) without delays, choose a flight that leaves Buffalo Niagara Intl. Airport (BUF) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Buffalo Niagara Intl. Airport (BUF) to Basin Intl. Airport (XWA) last-minute?
Booking your ticket from BUF to XWA shortly before your trip is typically more expensive. However, if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a BUF to XWA flight and hotel package?
You'll typically save money by booking a BUF 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 it all in one convenient place. Once you've selected your preferred flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Basin Intl. Airport (XWA)?
In most cases, you can cancel or modify your BUF to XWA flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want more details, head to our Customer Service portal.

*Flight schedules are subject to change.

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*Available to One Key members.