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Cheap flight deals from Chicago to Williston Starting at €356

Whether you’re going for a one-way or round-trip to Williston, we’ve got you covered! Check out these different flight options from Chicago below.

  • Round-trip
      • ORD06:50
        17h 7m
        1 stop
        XWA23:57
        Wed, Feb 26|Chicago - Williston|Frontier Airlines
        XWA16:59
        7h 18m
        1 stop
        MDW00:17
        Wed, Mar 5|Williston - Chicago|United Airlines
        €356€952
        63% OFF
        63% OFF
        €952€356

        Choose Frontier Airlines flights from Chicago to Williston. The one-way connecting flight with Frontier Airlines departs from O'Hare International Airport on Wed, Feb 26-Wed, Mar 5, arriving at Williston Basin International Airport. One-way Prices start from €356 including taxes and charges.

      • ORD14:35
        9h 22m
        1 stop
        XWA23:57
        Wed, Feb 26|Chicago - Williston|United Airlines
        XWA16:59
        6h 59m
        1 stop
        ORD23:58
        Wed, Mar 5|Williston - Chicago|United Airlines
        €491€952
        48% OFF
        48% OFF
        €952€491

        Choose United Airlines flights from Chicago to Williston. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Wed, Feb 26-Wed, Mar 5, arriving at Williston Basin International Airport. One-way Prices start from €491 including taxes and charges.

      • ORD05:00
        5h 42m
        1 stop
        XWA10:42
        Thu, Mar 20|Chicago - Williston|United Airlines
        XWA17:00
        7h 23m
        1 stop
        ORD00:23
        Thu, Mar 27|Williston - Chicago|United Airlines
        €510€952
        46% OFF
        46% OFF
        €952€510

        Choose United Airlines flights from Chicago to Williston. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Thu, Mar 20-Thu, Mar 27, arriving at Williston Basin International Airport. One-way Prices start from €510 including taxes and charges.

      • ORD16:06
        7h 51m
        1 stop
        XWA23:57
        Tue, Feb 25|Chicago - Williston|United Airlines
        XWA14:59
        6h 28m
        1 stop
        ORD21:27
        Sat, Mar 1|Williston - Chicago|United Airlines
        €672
        €672

        Choose United Airlines flights from Chicago to Williston. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Tue, Feb 25-Sat, Mar 1, arriving at Williston Basin International Airport. One-way Prices start from €672 including taxes and charges.

      • ORD06:50
        17h 7m
        1 stop
        XWA23:57
        Tue, Feb 25|Chicago - Williston|Frontier Airlines
        XWA14:59
        9h 18m
        1 stop
        MDW00:17
        Sat, Mar 1|Williston - Chicago|United Airlines
        €693
        €693

        Choose Frontier Airlines flights from Chicago to Williston. The one-way connecting flight with Frontier Airlines departs from O'Hare International Airport on Tue, Feb 25-Sat, Mar 1, arriving at Williston Basin International Airport. One-way Prices start from €693 including taxes and charges.

      • ORD07:00
        16h 57m
        1 stop
        XWA23:57
        Sun, Feb 23|Chicago - Williston|United Airlines
        XWA16:59
        18h 21m
        1 stop
        ORD11:20
        Wed, Feb 26|Williston - Chicago|United Airlines
        €776
        €776

        Choose United Airlines flights from Chicago to Williston. The one-way connecting flight with United Airlines departs from O'Hare International Airport on Sun, Feb 23-Wed, Feb 26, arriving at Williston Basin International Airport. One-way Prices start from €776 including taxes and charges.

      • ORD06:15
        16h 26m
        1 stop
        XWA22:41
        Sun, Feb 23|Chicago - Williston|Delta Air Lines
        XWA07:15
        5h 27m
        1 stop
        MDW12:42
        Wed, Feb 26|Williston - Chicago|Delta Air Lines
        €790
        €790

        Choose Delta Air Lines flights from Chicago to Williston. The one-way connecting flight with Delta Air Lines departs from O'Hare International Airport on Sun, Feb 23-Wed, Feb 26, arriving at Williston Basin International Airport. One-way Prices start from €790 including taxes and charges.

      • CHI01:00 pm
        3h 5m
        Nonstop
        ISN02:00 pm
        Thu, Feb 20|Chicago - Williston|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Chicago to Williston flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2666

    United Airlines

    05:05

    ORD

    2.8h

    06:54

    DEN

    SMTW-FS
    Search

  2. UA5293

    United Airlines

    07:45

    DEN

    1.9h

    10:39

    XWA

    SMTWT-S

  3. F93173

    Frontier Airlines

    06:00

    ORD

    3.0h

    07:57

    DEN

    SMTWTFS
    Search

  4. UA5261

    United Airlines

    21:05

    DEN

    1.9h

    23:59

    XWA

    SMTWTFS

  5. DL1717

    Delta Air Lines

    06:00

    ORD

    1.6h

    07:33

    MSP

    SMTWTFS
    Search

  6. DL4289

    Delta Air Lines

    20:30

    MSP

    2.1h

    22:35

    XWA

    SMTWTFS

  7. UA711

    United Airlines

    07:00

    ORD

    2.9h

    08:53

    DEN

    SMTWTFS
    Search

  8. UA5261

    United Airlines

    21:05

    DEN

    1.9h

    23:59

    XWA

    SMTWTFS

  9. F92209

    Frontier Airlines

    07:15

    MDW

    2.8h

    09:05

    DEN

    SMTWTFS
    Search

  10. UA5261

    United Airlines

    21:05

    DEN

    1.9h

    23:59

    XWA

    SMTWTFS

  11. DL3778

    Delta Air Lines

    09:20

    MDW

    1.6h

    10:55

    MSP

    SMTWTFS
    Search

  12. DL4289

    Delta Air Lines

    20:30

    MSP

    2.1h

    22:35

    XWA

    SMTWTFS

  13. UA1588

    United Airlines

    14:35

    ORD

    2.9h

    16:30

    DEN

    SMTWTFS
    Search

  14. UA5261

    United Airlines

    21:05

    DEN

    1.9h

    23:59

    XWA

    SMTWTFS

  15. UA1946

    United Airlines

    16:06

    ORD

    2.9h

    17:59

    DEN

    SMTWTFS
    Search

  16. UA5261

    United Airlines

    21:05

    DEN

    1.9h

    23:59

    XWA

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Chicago to Williston?

Explore the best time to buy affordable tickets to Williston with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Chicago (CHI) to Williston (ISN) the cheapest?

    Airlines adjust prices for flights from Chicago to Williston based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Chicago (CHI) to Williston (ISN) cost?

    According to Trip.com's data, the lowest price is around €475.

  • 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, by taxi about 30 minutes.

  • How many airports are there in Williston (ISN)?

    There are 2 airport(s) near Williston (ISN): Sloulin Field International Airport and Williston Basin International Airport.

How to find a cheap flight from Chicago to Williston

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Chicago to Williston

Off-season for travelDecember
Peak season for travelFebruary
Flight distance1,435.91 km
Popular airlineDelta Air Lines

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