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Philadelphia International Airport to Williston Basin International Airport flight

Explore the cheapest one-way and round-trip flights from Philadelphia International Airport to Williston Basin International Airport over the next 90 days, with one-way fares from £392 and round-trip from £552. Based on Trip.com's latest 7-day flight data.

      • PHL 3:55 PM
        7h 20m
        1 stop
        XWA 10:15 PM
        Philadelphia - Williston | Fri, Oct 2 | United Airlines
        XWA 1:45 PM
        8h 44m
        1 stop
        PHL 11:29 PM
        Williston - Philadelphia | Tue, Oct 6 | United Airlines
        £552 £736
        25% off
        25% off
        £736 £552
      • PHL 10:05 AM
        8h 59m
        1 stop
        XWA 6:04 PM
        Philadelphia - Williston | Wed, Sep 30 | United Airlines
        XWA 1:45 PM
        8h 35m
        1 stop
        PHL 11:20 PM
        Williston - Philadelphia | Mon, Oct 5 | United Airlines
        £578 £736
        21% off
        21% off
        £736 £578
      • PHL 8:00 AM
        28h 2m
        1 stop
        XWA 11:02 AM
        Philadelphia - Williston | Thu, Oct 1 | United Airlines
        XWA 6:40 PM
        20h 8m
        1 stop
        PHL 3:48 PM
        Williston - Philadelphia | Mon, Oct 5 | United Airlines
        £596 £736
        19% off
        19% off
        £736 £596
      • PHL 1:00 PM
        17h 25m
        1 stop
        ISN 2:00 PM
        Philadelphia - Williston | Fri, Sep 25 | Normal Airline
        ISN 3:00 PM
        6h
        Nonstop
        PHL 4:00 PM
        Williston - Philadelphia | Sun, Sep 27 | Normal Airline
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      • PHL 10:05 AM
        7h 34m
        1 stop
        XWA 4:39 PM
        Philadelphia - Williston | Thu, Oct 15 | United Airlines
        £392 £713
        45% off
        45% off
        £713 £392
      • PHL 8:00 AM
        9h 39m
        1 stop
        XWA 4:39 PM
        Philadelphia - Williston | Thu, Oct 8 | United Airlines
        £423 £713
        41% off
        41% off
        £713 £423
      • PHL 10:05 AM
        7h 34m
        1 stop
        XWA 4:39 PM
        Philadelphia - Williston | Fri, Oct 16 | United Airlines
        £432 £713
        39% off
        39% off
        £713 £432
      • PHL 8:00 AM
        9h 39m
        1 stop
        XWA 4:39 PM
        Philadelphia - Williston | Sun, Oct 18 | United Airlines
        £575
        19% off
        £713 £575
      • PHL 8:00 AM
        9h 39m
        1 stop
        XWA 4:39 PM
        Philadelphia - Williston | Sun, Oct 11 | United Airlines
        £577
        19% off
        £713 £577
      • PHL 1:00 PM
        17h 25m
        1 stop
        ISN 2:00 PM
        Philadelphia - Williston | Fri, Sep 25 | Normal Airline
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        Find more flights

Displayed flight fares from Philadelphia International Airport to Williston Basin International Airport 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 Philadelphia International Airport to Williston Basin International Airport?

The cheapest airline flying from Philadelphia International Airport to Williston Basin International Airport is United Airlines (from £392) among 2 carriers operating this route. Based on Trip.com's latest 7-day flight data.

United Airlines
From £392
Delta Air Lines
From £741

Find more flights and airlines

What is the flight schedule from Philadelphia International Airport to Williston Basin International Airport?

Check the schedule for flights from Philadelphia to Williston and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2644

    Philadelphia International Airport

    4:14 PM

    PHL

    4h 11m

    Nonstop

    6:25 PM

    DEN

    S M T W T F S
    Search

  2. UA4721

    Denver International Airport

    7:10 PM

    DEN

    2h 56m

    Nonstop

    10:06 PM

    XWA

    S M T W T - S

  3. UA1537

    Philadelphia International Airport

    10:05 AM

    PHL

    4h 5m

    Nonstop

    12:10 PM

    DEN

    S M T W T F S
    Search

  4. UA5463

    Denver International Airport

    1:45 PM

    DEN

    1h 54m

    Nonstop

    4:39 PM

    XWA

    S M T W T F S

  5. UA1537

    Philadelphia International Airport

    10:05 AM

    PHL

    4h 5m

    Nonstop

    12:10 PM

    DEN

    S M T W T F S
    Search

  6. UA5726

    Denver International Airport

    3:10 PM

    DEN

    1h 54m

    Nonstop

    6:04 PM

    XWA

    S M T - - - -

  7. UA1423

    Philadelphia International Airport

    8:00 AM

    PHL

    4h 2m

    Nonstop

    10:02 AM

    DEN

    S M T W T F S
    Search

  8. UA5463

    Denver International Airport

    1:45 PM

    DEN

    1h 54m

    Nonstop

    4:39 PM

    XWA

    S M T W T F S

  9. DL5845

    Philadelphia International Airport

    9:25 AM

    PHL

    1h 32m

    Nonstop

    10:57 AM

    BOS

    S M T W T F S
    Search

  10. UA2297

    Boston Logan International Airport

    3:19 PM

    BOS

    4h 41m

    Nonstop

    6:00 PM

    DEN

    S M T W T F S

  11. UA4721

    Denver International Airport

    7:10 PM

    DEN

    2h 56m

    Nonstop

    10:06 PM

    XWA

    S M T W T - S

  12. UA4582

    Philadelphia International Airport

    7:30 PM

    PHL

    1h 19m

    Nonstop

    8:49 PM

    IAD

    - - - W T F -
    Search

  13. UA495

    Dulles International Airport

    10:10 PM

    IAD

    3h 45m

    Nonstop

    11:55 PM

    DEN

    S M T W T F S

  14. UA4721

    Denver International Airport

    7:10 PM

    DEN

    2h 56m

    Nonstop

    10:06 PM

    XWA

    S M T W T - S

  15. UA1423

    Philadelphia International Airport

    8:00 AM

    PHL

    4h 2m

    Nonstop

    10:02 AM

    DEN

    S M T W T F S
    Search

  16. UA5293

    Denver International Airport

    7:59 AM

    DEN

    2h

    Nonstop

    10:59 AM

    XWA

    S M T W T - S
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About Philadelphia International Airport and Williston Basin International Airport

Learn about Philadelphia International Airport (PHL) and Williston Basin International Airport (XWA) — including location, terminals, transportation, and travel tips.

Flight distance2,445.94 km
Cheapest one-way ticket price£392
Cheapest return ticket price£552

FAQs for Philadelphia International Airport to Williston Basin International Airport Flights

  • What is the transportation method from the main airport to downtown in Williston?

    • The distance from Williston Basin International Airport to downtown is about 15 km. It takes about 30 minutes by taxi.
  • One-way flights from Philadelphia International Airport to Williston Basin International Airport currently start from £392, and round-trip fares start from £552. The current lowest fare is a United Airlines flight departing on Thu, Oct 15; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Philadelphia International Airport to Williston Basin International Airport is £366. Prices may vary depending on the departure date, airline, and availability.
  • Enter Philadelphia International Airport and Williston Basin 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.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.