A white teepee, a white building with green shutters, and a red-roofed structure.

$298 Cheap Flights from Phoenix (PHX) to Williston (XWA)

View $298 flight on Thu, Aug 27, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Williston, ND (XWA-Basin Intl.)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Phoenix to Williston (PHX-XWA)

Prices were available within the past 7 days and start at $298 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Aug 28 - Mon, Aug 31
PHX
Phoenix
XWA
Williston
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 28 from Phoenix to Williston, returning Mon, Aug 31, priced at $308 found 2 days ago
Delta
Fri, Aug 21 - Mon, Aug 24
PHX
Phoenix
XWA
Williston
$333 Roundtrip, found 5 days ago
$333
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Aug 21 from Phoenix to Williston, returning Mon, Aug 24, priced at $333 found 5 days ago
United
Wed, Dec 16 - Mon, Jan 4
PHX
Phoenix
XWA
Williston
$343 Roundtrip, found 5 days ago
$343
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 16 from Phoenix to Williston, returning Mon, Jan 4, priced at $343 found 5 days ago
United
Fri, Aug 21 - Mon, Aug 24
PHX
Phoenix
XWA
Williston
$356 Roundtrip, found 5 days ago
$356
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 21 from Phoenix to Williston, returning Mon, Aug 24, priced at $356 found 5 days ago
United
Wed, Dec 16 - Mon, Jan 4
PHX
Phoenix
XWA
Williston
$368 Roundtrip, found 5 days ago
$368
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 16 from Phoenix to Williston, returning Mon, Jan 4, priced at $368 found 5 days ago
United
Wed, Dec 16 - Mon, Jan 4
PHX
Phoenix
XWA
Williston
$370 Roundtrip, found 5 days ago
$370
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 16 from Phoenix to Williston, returning Mon, Jan 4, priced at $370 found 5 days ago
United
Fri, Aug 28 - Mon, Aug 31
PHX
Phoenix
XWA
Williston
$374 Roundtrip, found 2 days ago
$374
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 28 from Phoenix to Williston, returning Mon, Aug 31, priced at $374 found 2 days ago
United
Fri, Aug 28 - Mon, Aug 31
PHX
Phoenix
XWA
Williston
$384 Roundtrip, found 2 days ago
$384
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 28 from Phoenix to Williston, returning Mon, Aug 31, priced at $384 found 2 days ago
United
Fri, Aug 28 - Mon, Aug 31
PHX
Phoenix
XWA
Williston
$398 Roundtrip, found 2 days ago
$398
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 28 from Phoenix to Williston, returning Mon, Aug 31, priced at $398 found 2 days ago
Delta
Fri, Jul 17 - Fri, Jul 24
PHX
Phoenix
XWA
Williston
$403 Roundtrip, found 5 days ago
$403
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Jul 17 from Phoenix to Williston, returning Fri, Jul 24, priced at $403 found 5 days ago

Find the cheapest month to fly from Phoenix (PHX) to Williston (XWA)

January is typically the cheapest month to fly

From $246 - $840 per traveler.

What you need to know for your flight from Sky Harbor Intl. to Basin Intl.

Phoenix (PHX) to Williston (XWA) at a glance

Explore a range of airlines offering flights from Phoenix (PHX) to Williston (XWA) on this short domestic route. Compare various flight options from full-service carriers to discover the best itinerary that suits your budget and schedule while you take in the notable sights and neighborhoods of Williston. Get key details for your journey from Sky Harbor International Airport (PHX) to Basin International Airport (XWA).

  • Fastest flight duration: around 3h 45m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,100 miles (1,770 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $125–$555, depending on seasonality and how far ahead you book

Flights from Sky Harbor International Airport (PHX) to Basin International Airport (XWA)

According to recent traveler bookings, the most popular airlines flying from Phoenix to Williston are typically favored for their one-stop service, often with layovers at Denver International Airport (DEN) and Minneapolis - St. Paul International Airport (MSP), both featuring approximately 1 hour and 15 minutes of downtime. These options allow you to customize your travel experience by balancing cost, total travel time, and cabin class to secure the best itinerary for your journey.

  • United: As a comprehensive airline, United provides convenient one-stop service with one-way fares usually between $125 and $555. It represents around 82% of the departures for this route, featuring an in-flight duration of 3 hours and 45 minutes, and a total travel time of approximately 5 hours and 15 minutes, including layover time.
  • Delta: Delta, also a full-service airline, offers one-stop service with one-way ticket prices typically ranging from $125 to $630. It accounts for about 18% of the flights on this route, with a similar in-flight time of 3 hours and 45 minutes, and a total journey duration of roughly 5 hours and 15 minutes, including layover.

Best time to fly from Phoenix (PHX) to Williston (XWA)

The most popular months for travelers flying from Phoenix to Williston are January, March, and April, when peak temperatures in Williston reach up to 41.4°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 62.8°F. For better deals, May usually offers the lowest average one-way fare around $182. Flight availability peaks in March and May, with approximately 9 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $182, roughly 36% cheaper than the yearly average.
  • More budget-friendly months to fly: September, November, and October typically offer average one-way fares of around $193.
  • Most flight options: March and May have the highest number of flights from Phoenix to Williston, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January14.5°F (-9.7°C)High7$417
February14.7°F (-9.6°C)Average7$288
March29.1°F (-1.6°C)High9$297
April41.4°F (5.2°C)High7$400
May55.8°F (13.2°C)Average9$182
June66.0°F (18.9°C)Low7$269
July72.9°F (22.7°C)Low7$243
August72.0°F (22.2°C)Average7$356
September62.8°F (17.1°C)Low7$188
October45.9°F (7.7°C)Average7$198
November30.7°F (-0.7°C)Average7$193
December16.9°F (-8.4°C)Average8$419

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Phoenix (PHX) to Williston (XWA)

  • Mesa to Williston (AZA-XWA): Located approximately 22 miles from Sky Harbor International Airport (PHX), Phoenix - Mesa Gateway Airport (AZA) serves as a convenient departure point for this route.
  • Phoenix to Sidney (PHX-SDY): Sidney-Richland Municipal Airport (SDY) is roughly 43 miles distant from Basin International Airport (XWA), making it a viable destination from Phoenix.
  • Mesa to Sidney (AZA-SDY): The distance from Phoenix - Mesa Gateway Airport (AZA) to Sky Harbor International Airport (PHX) is about 22 miles, while Sidney-Richland Municipal Airport (SDY) lies around 43 miles from Basin International Airport (XWA).

How to find the best prices for flights from Phoenix (PHX) to Williston (XWA)

Getting some of the best deals on flights from Phoenix to Williston is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2 to 8 weeks in advance, although most travelers tend to book within 2 weeks. Morning departures, from 5 AM to 12 PM, not only offer lower prices but are also the most popular flight times. Additionally, flying on Wednesday provides both affordable fares and is the preferred travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Williston hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Basin International Airport from Sky Harbor International Airport

Williston welcomes travelers from Phoenix with a range of transport options based on price, convenience, and proximity. Here's how to reach Williston efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Williston, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Basin International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Basin International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.) cost?
You can find cheap one-way flights from $298 and cheap return flights from $308 Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.) with Expedia. One-way flights generally range between $265 and $908, and roundtrip flights usually range from $330 to $1191. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.)?
January is the cheapest month to fly from Phoenix, AZ (PHX) to Williston, ND (XWA), with average round-trip fares around $340. This price is about 23% lower than the average throughout the year, as winter travel tends to be less busy. Other economical months include March and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.)?
Enter PHX to XWA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.)?
United is one of the cheapest airlines offering connecting flights from Sky Harbor Intl. (PHX) to Basin Intl. (XWA), with round-trip tickets starting from around $248. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.)?
The best time to fly from Phoenix (PHX) to Williston (XWA) is in January or October. January offers lower fares at around $340, making it a great time to travel, while October is popular for travel, providing a good mix of flight options and favorable weather.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.)?
The earliest flight from Phoenix, AZ (PHX) to Williston, ND (XWA) typically leaves at around 12:40 AM, operated by Delta. This seasonal service is available in October and November, giving you an early start to your travels. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.)?
The most popular departure times for flights from Phoenix (PHX) to Williston (XWA) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time window. Many major carriers, including United and Delta, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Williston with plenty of time to settle in.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.)?
A flight from PHX to XWA with a layover takes around 6 hours 20 minutes, with the route covering approximately 1,110 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.)?
First class seats are offered on the PHX to XWA route with United Airlines and Delta Air Lines.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Williston from Sky Harbor Intl. (PHX)?
If you're planning to travel to Williston from Sky Harbor Intl. (PHX), you can fly into Basin Intl. (XWA) Some flights may connect through major hubs like Los Angeles Intl. (LAX), San Francisco Intl. (SFO), George Bush Intercontinental (IAH) before reaching Williston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.)?
If you booked your Phoenix, AZ (PHX-Sky Harbor Intl.) to Williston, ND (XWA-Basin Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Basin Intl.
Airlines serving
Delta, United
Roundtrip price
$308
Distance
1109 mi

Book with confidence

Phoenix to Williston Flights

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

 

The best time to book a flight from Phoenix to Williston

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Williston in 2026. You can also book with separate airlines for your outbound and return journeys, from $298 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 Phoenix 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 Phoenix 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.

 

Phoenix to Williston Flights

*Flight schedules are subject to change.

*Available to One Key members.