How can I find cheap flights from Williston Basin International Airport to Phoenix Sky Harbor International Airport?
Explore the cheapest one-way and round-trip flights from Williston Basin International Airport to Phoenix Sky Harbor International Airport over the next 90 days, with one-way fares from $391 and round-trip from $538. Based on Trip.com's latest 7-day flight data.
- Round-trip
- Cheapest
- Fastest
XWA 3:20 PM5h 27m1 stopPHX 7:47 PMWilliston - Phoenix | Sat, Dec 5 | United Airlines
PHX 6:20 AM7h 19m1 stopXWA 2:39 PMPhoenix - Williston | Sat, Dec 12 | United Airlines$538 $1,27457% off57% off$1,274 $538
XWA 1:38 PM7h 17m1 stopPHX 7:55 PMWilliston - Phoenix | Sat, Nov 14 | United Airlines
PHX 6:20 AM5h 43m1 stopXWA 1:03 PMPhoenix - Williston | Fri, Nov 20 | United Airlines$662 $1,27448% off48% off$1,274 $662
XWA 1:38 PM5h1 stopPHX 5:38 PMWilliston - Phoenix | Thu, Dec 10 | United Airlines
PHX 6:20 AM5h 43m1 stopXWA 1:03 PMPhoenix - Williston | Sun, Dec 13 | United Airlines$689 $1,27446% off46% off$1,274 $689
XWA 6:26 PM5h 27m1 stopPHX 10:53 PMWilliston - Phoenix | Sun, Nov 22 | United Airlines
PHX 2:51 PM6h 14m1 stopXWA 10:05 PMPhoenix - Williston | Fri, Nov 27 | United Airlines$70145% off$1,274 $701
XWA 11:28 AM9h 30m1 stopPHX 7:58 PMWilliston - Phoenix | Wed, Dec 23 | United Airlines
PHX 6:18 AM27h 35m1 stopXWA 10:53 AMPhoenix - Williston | Wed, Dec 30 | United Airlines$1,03019% off$1,274 $1,030
XWA 6:26 PM5h 27m1 stopPHX 10:53 PMWilliston - Phoenix | Fri, Nov 13 | United Airlines
PHX 6:20 AM5h 43m1 stopXWA 1:03 PMPhoenix - Williston | Sun, Nov 15 | United Airlines$1,06616% off$1,274 $1,066
XWA 6:26 PM5h 27m1 stopPHX 10:53 PMWilliston - Phoenix | Sat, Nov 21 | United Airlines
PHX 6:20 AM5h 43m1 stopXWA 1:03 PMPhoenix - Williston | Sat, Nov 28 | United Airlines$1,09114% off$1,274 $1,091
XWA 6:26 PM5h 27m1 stopPHX 10:53 PMWilliston - Phoenix | Thu, Nov 12 | United Airlines
PHX 6:20 AM5h 43m1 stopXWA 1:03 PMPhoenix - Williston | Sun, Nov 15 | United Airlines$1,10813% off$1,274 $1,108
ISN 1:00 PM17h 25m1 stopPHX 2:00 PMWilliston - Phoenix | Fri, Nov 6 | Normal Airline
PHX 3:00 PM6hNonstopISN 4:00 PMPhoenix - Williston | Sun, Nov 8 | Normal AirlineFind more flightsFind more flights
- Cheapest
XWA 11:20 AM8h 2m1 stopPHX 6:22 PMWilliston - Phoenix | Sun, Nov 22 | United Airlines$391 $66942% off42% off$669 $391
XWA 3:45 PM5h 10m1 stopPHX 7:55 PMWilliston - Phoenix | Tue, Nov 10 | United Airlines$482 $66928% off28% off$669 $482
XWA 1:38 PM21h 6m1 stopPHX 9:44 AMWilliston - Phoenix | Fri, Nov 20 | United Airlines$582 $66913% off13% off$669 $582
ISN 1:00 PM17h 25m1 stopPHX 2:00 PMWilliston - Phoenix | Fri, Nov 6 | Normal AirlineFind more flightsFind more flights
XWA 3:45 PM5h 10m1 stopPHX 7:55 PMWilliston - Phoenix | Tue, Nov 10 | United Airlines$482 $66928% off28% off$669 $482
XWA 11:20 AM8h 2m1 stopPHX 6:22 PMWilliston - Phoenix | Sun, Nov 22 | United Airlines$391 $66942% off42% off$669 $391
XWA 1:38 PM21h 6m1 stopPHX 9:44 AMWilliston - Phoenix | Fri, Nov 20 | United Airlines$582 $66913% off13% off$669 $582
ISN 1:00 PM17h 25m1 stopPHX 2:00 PMWilliston - Phoenix | Fri, Nov 6 | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Williston to Phoenix are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.
Which airline offers the cheapest flights from Williston Basin International Airport to Phoenix Sky Harbor International Airport?
The cheapest airline flying from Williston Basin International Airport to Phoenix Sky Harbor International Airport is United Airlines (from $482) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Find more flights and airlines
What is the flight schedule from Williston Basin International Airport to Phoenix Sky Harbor International Airport?
Check the schedule for flights from Williston to Phoenix and find the flight that best matches your travel plans.
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UA5784
Williston Basin International Airport
3:45 PM
XWA
5:02 PM
DEN
S M T - - - -Search -
UA2335
Denver International Airport
5:52 PM
DEN
6:55 PM
PHX
S M T W T F S -
UA5906
Williston Basin International Airport
6:14 PM
XWA
7:18 PM
DEN
S M T W T - SSearch -
UA439
Denver International Airport
8:50 PM
DEN
10:53 PM
PHX
- - T W T - S -
UA5528
Williston Basin International Airport
3:30 PM
XWA
4:40 PM
DEN
S M T W T F SSearch -
UA2335
Denver International Airport
5:52 PM
DEN
6:55 PM
PHX
S M T W T F S -
UA5685
Williston Basin International Airport
11:34 AM
XWA
12:38 PM
DEN
S M T W T - SSearch -
UA1254
Denver International Airport
4:20 PM
DEN
6:22 PM
PHX
S M T W T F S -
UA5906
Williston Basin International Airport
6:14 PM
XWA
7:18 PM
DEN
S M T W T - SSearch -
UA1481
Denver International Airport
7:50 AM
DEN
8:51 AM
PHX
S M T W T F S -
UA5528
Williston Basin International Airport
3:30 PM
XWA
4:40 PM
DEN
S M T W T F SSearch -
UA1481
Denver International Airport
7:50 AM
DEN
8:51 AM
PHX
S M T W T F S
About Williston Basin International Airport and Phoenix Sky Harbor International Airport
Learn about Williston Basin International Airport (XWA) and Phoenix Sky Harbor International Airport (PHX) — including location, terminals, transportation, and travel tips.
| Flight distance | 1,788.17 km |
|---|---|
| Cheapest one-way ticket price | $391 |
| Cheapest return ticket price | $538 |
FAQs for Williston Basin International Airport to Phoenix Sky Harbor International Airport Flights
What are the cheapest flights from Williston Basin International Airport to Phoenix Sky Harbor International Airport?
One-way flights from Williston Basin International Airport to Phoenix Sky Harbor International Airport currently start from $391, and round-trip fares start from $538. The current lowest fare is a United Airlines flight departing on Sun, Nov 22; prices may vary depending on availability.What is the average price of a flight from Williston Basin International Airport to Phoenix Sky Harbor International Airport?
Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Williston Basin International Airport to Phoenix Sky Harbor International Airport is $449. Prices may vary depending on the departure date, airline, and availability.How do I book flights from Williston Basin International Airport to Phoenix Sky Harbor International Airport on Trip.com?
Enter Williston Basin International Airport and Phoenix Sky Harbor International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.
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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.