Find the cheapest flights on Expedia from Phoenix (PHX) to Williston (XWA). Flight ticket prices change frequently based on availability and demand. We send price‑drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at CA $529 for travel on December 25, 2026.
Cheap Flights from Phoenix to Williston (PHX-XWA)
Prices were available within the past 7 days and start at CA $529 for one-way flights, for the period specified. Prices and availability are subject to change.
The easy way to book your flights from Phoenix to Williston
With Expedia, it’s simple to find and book flights to Williston from Phoenix whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 1 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 Phoenix to Williston today, tomorrow, or this week.
Save dollars with cheap flights from Sky Harbor Intl., PHX to Basin Intl., XWA
Sort your search results by price to find great deals on your flight from Phoenix to Williston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Williston from Phoenix 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 Phoenix
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 Phoenix Sky Harbour Intl. Airport to Basin Intl. Airport (XWA)?
Pack your bags, because round-trip flights from PHX to Williston Basin Intl. Airport start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to nab 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 PHX to Williston Basin Intl. Airport?
Most flights can be cancelled online, but whether or not you are charged a fee differs between airlines. If you do need to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Phoenix Sky Harbour Intl. Airport to XWA that have flexible change policies?
Flights from Sky Harbour Intl. Airport (PHX) to XWA offering flexible change policies are available with many carriers. Simply use our "No change fees" filter during your search. You'll only need to pay the cost difference between the two flights, without any added fees to worry about.
How many hours is the flight from Phoenix Sky Harbour Intl. Airport to Williston Basin Intl. Airport?
The flight time between PHX and Williston Basin Intl. Airport is 4 hours and 34 minutes. If you get peckish on longer flights, pack some fruit or snacks in your carry-on luggage.
How far is the flight from PHX to XWA?
The flight distance from Phoenix to Williston is 1,800 kilometres. Bring along a drink, a snack and an interesting book to read. Keep yourself entertained and the hours will fly by.
Which airlines fly direct from Sky Harbour Intl. Airport (PHX) to Basin Intl. Airport (XWA)?
Flying nonstop between PHX and Basin Intl. Airport (XWA) isn't possible at present. However, you'll still be able to book a flight to Williston with at least one stop.
Are Sky Harbour Intl. Airport (PHX) to XWA flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Sky Harbour Intl. Airport (PHX) to Basin Intl. Airport (XWA) can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out entirely! If you'd prefer to play it safe and start your trip planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines list their prices so far in advance. Our suggestion? Check back often as prices are updated frequently.