What is the difference between the most popular and the most frequent airline at Williston?

United Airlines operates the most flights from the United States to Williston at 30 per week, and for this route United Airlines is also the airline most often selected by KAYAK users searching for flights from the United States to Williston. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

Which city has the cheapest flights to Williston?

Based on fares booked in the past 5 days, the cheapest flights to Williston are from: • Phoenix, from $338 round-trip • Dallas, from $397 round-trip • Chicago, from $428 round-trip

How do I know if a flight to Williston is a good deal?

A good deal on a flight to Williston is around $338 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

What is the cheapest flight to Williston?

Phoenix Sky Harbor Intl Airport to Williston is the cheapest route at $338 round-trip, found in the past 5 days on KAYAK. Denver to Williston is the most popular connection with round-trip deals from $349.

What is the cheapest day to fly to Williston?

Saturday is the cheapest day to fly to Williston at $413 round-trip on average over the past 12 months on KAYAK. Sunday is the most expensive at $593.

What’s the cheapest month to fly to Williston?

•February is the cheapest month to fly to Williston with an average price of $353 round-trip. •June ($563) and May ($527) are the most expensive. Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Williston?

Evening flights to Williston are the cheapest at $401 round-trip on average. Morning flights are the most expensive at $463.

What are the most popular airlines flying to Williston?

United Airlines is the most popular airline flying to Williston among KAYAK users, followed by Delta and Sun Country Air.

Which airline offers the most nonstop flights to Williston?

United Airlines operates the most nonstop flights to Williston, with an average of 30 per week. Sun Country Air follows with 2 weekly nonstop flights. 2 airlines fly nonstop to this destination.

How many direct flights to Williston are there each day?

There are around 4 daily direct flights to Williston. 50% depart in the morning, 25% in the afternoon and 25% in the evening.

How many direct flights to Williston are there each week?

There are 32 direct flights to Williston each week. Monday is the day with the most departures at 16%.

How many long-haul flights are there to Williston each week?

No long-haul flights serve this destination.

$145 CHEAP FLIGHTS to Williston in 2026/27

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$338

Typical prices: $338-$607

United Airlines

Mon 2/12Thu 2/22

PHX - XWA • 1 stop

Cheapest non-stop

$349

Typical prices: $247-$509

United Airlines

Tue 10/9Fri 10/12

DEN - XWA • Non-stop

Nonstop flights

Every day

You can fly direct with United Airlines and Sun Country Air. Average duration is 2h 02m

FAQs

Top airlines

United Airlines

Most flights • 30 per week

Delta

Best reviews • 7.8 score

Airline reviews

When to travel

February

Cheapest • 20% price drop

August

Most popular

Good to know

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We hope you love your trip to Williston!

Flight Deals

Cheap Flights to Williston

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

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Recent round-trip flight deals to Williston

Fri, Feb 12 - Mon, Feb 22

2:40 pm - 10:06 pmPHX Phoenix Sky Harbor Intl-XWA Williston Basin Intl

6h 26m1 stop Denver Intl

6:14 pm - 10:51 pmXWA Williston Basin Intl-PHX Phoenix Sky Harbor Intl

5h 37m1 stop Denver Intl

$338United Airlines

Thu, Feb 11 - Sun, Feb 21

4:30 pm - 11:47 pmPHX Phoenix Sky Harbor Intl-XWA Williston Basin Intl

6h 17m1 stop Denver Intl

11:34 am - 6:12 pmXWA Williston Basin Intl-PHX Phoenix Sky Harbor Intl

7h 38m1 stop Denver Intl

$338United Airlines

Fri, Oct 9 - Mon, Oct 12

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

6:40 pm - 7:45 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$349United Airlines

Fri, Oct 9 - Sun, Oct 11

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

6:20 pm - 7:25 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$349United Airlines

Fri, Feb 12 - Mon, Feb 22

2:40 pm - 10:06 pmPHX Phoenix Sky Harbor Intl-XWA Williston Basin Intl

6h 26m1 stop Denver Intl

1:40 pm - 9:23 pmXWA Williston Basin Intl-PHX Phoenix Sky Harbor Intl

8h 43m2 stops Denver Intl Los Angeles

$393United Airlines

Thu, Oct 22 - Thu, Oct 29

6:30 am - 1:27 pmDFW Dallas/Fort Worth-XWA Williston Basin Intl

6h 57m1 stop Las Vegas Harry Reid Intl

2:25 pm - 10:54 pmXWA Williston Basin Intl-DFW Dallas/Fort Worth

8h 29m1 stop Las Vegas Harry Reid Intl

$397Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

11:40 am - 12:47 pmXWA Williston Basin Intl-DEN Denver Intl

2h 07mnonstop

$409United Airlines

Fri, Jan 1 - Thu, Jan 7

7:45 am - 10:53 amDEN Denver Intl-XWA Williston Basin Intl

2h 08mnonstop

6:20 pm - 7:36 pmXWA Williston Basin Intl-DEN Denver Intl

2h 16mnonstop

$409United Airlines

Fri, Oct 23 - Tue, Oct 27

5:00 am - 10:59 amORD Chicago O'Hare Intl-XWA Williston Basin Intl

5h 59m1 stop Denver Intl

3:45 pm - 11:59 pmXWA Williston Basin Intl-ORD Chicago O'Hare Intl

8h 14m1 stop Denver Intl

$428United Airlines

Thu, Oct 22 - Thu, Oct 29

6:30 am - 1:27 pmDFW Dallas/Fort Worth-XWA Williston Basin Intl

6h 57m1 stop Las Vegas Harry Reid Intl

2:25 pm - 9:40 amXWA Williston Basin Intl-DFW Dallas/Fort Worth

19h 15m2 stops Las Vegas Harry Reid Intl Denver Intl

$429Multiple Airlines

Recent last minute flight deals to Williston

Thu, Oct 1 - Mon, Oct 5

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

1:35 pm - 2:40 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$479United Airlines

Fri, Oct 2 - Mon, Oct 5

9:50 am - 12:47 pmDEN Denver Intl-XWA Williston Basin Intl

1h 57mnonstop

1:35 pm - 2:40 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$519United Airlines

Fri, Oct 2 - Sun, Oct 4

9:50 am - 12:47 pmDEN Denver Intl-XWA Williston Basin Intl

1h 57mnonstop

1:35 pm - 2:40 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$579United Airlines

Thu, Oct 1 - Mon, Oct 5

9:50 am - 12:47 pmDEN Denver Intl-XWA Williston Basin Intl

1h 57mnonstop

3:44 pm - 4:45 pmXWA Williston Basin Intl-DEN Denver Intl

2h 01mnonstop

$579United Airlines

Thu, Oct 1 - Sun, Oct 4

9:50 am - 12:47 pmDEN Denver Intl-XWA Williston Basin Intl

1h 57mnonstop

11:40 am - 12:47 pmXWA Williston Basin Intl-DEN Denver Intl

2h 07mnonstop

$579United Airlines

Fri, Oct 2 - Fri, Oct 2

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

6:20 pm - 7:25 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$847United Airlines

Wed, Sep 30 - Wed, Oct 7

9:45 pm - 10:59 amIAH Houston George Bush Intcntl-XWA Williston Basin Intl

13h 14m2 stops Chicago O'Hare Intl Denver Intl

6:40 pm - 11:59 pmXWA Williston Basin Intl-IAH Houston George Bush Intcntl

5h 19m1 stop Denver Intl

$870United Airlines

Mon, Sep 28 - Tue, Oct 6

2:35 pm - 11:02 amLAX Los Angeles-XWA Williston Basin Intl

18h 27m1 stop Denver Intl

11:40 am - 5:47 pmXWA Williston Basin Intl-LAX Los Angeles

8h 07m1 stop Denver Intl

$888United Airlines

Wed, Sep 30 - Fri, Oct 2

6:00 am - 3:09 pmPHX Phoenix Sky Harbor Intl-XWA Williston Basin Intl

7h 09m1 stop Denver Intl

6:20 pm - 12:27 pmXWA Williston Basin Intl-PHX Phoenix Sky Harbor Intl

20h 07m1 stop Denver Intl

$925United Airlines

Wed, Sep 30 - Wed, Oct 7

5:15 am - 11:02 amIAH Houston George Bush Intcntl-XWA Williston Basin Intl

5h 47m1 stop Denver Intl

6:40 pm - 11:08 amXWA Williston Basin Intl-IAH Houston George Bush Intcntl

16h 28m1 stop Denver Intl

$930United Airlines

Recent direct flight deals from the United States to Williston

Fri, Oct 9 - Mon, Oct 12

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

6:40 pm - 7:45 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$349United Airlines

Fri, Oct 9 - Sun, Oct 11

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

6:20 pm - 7:25 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$349United Airlines

Thu, Oct 15 - Mon, Oct 19

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

11:40 am - 12:47 pmXWA Williston Basin Intl-DEN Denver Intl

2h 07mnonstop

$409United Airlines

Fri, Jan 1 - Thu, Jan 7

7:45 am - 10:53 amDEN Denver Intl-XWA Williston Basin Intl

2h 08mnonstop

6:20 pm - 7:36 pmXWA Williston Basin Intl-DEN Denver Intl

2h 16mnonstop

$409United Airlines

Thu, Oct 8 - Mon, Oct 12

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

3:44 pm - 4:45 pmXWA Williston Basin Intl-DEN Denver Intl

2h 01mnonstop

$449United Airlines

Fri, Oct 9 - Tue, Oct 13

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

6:40 pm - 7:45 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$484United Airlines

Sun, Oct 25 - Sun, Oct 25

7:40 am - 10:42 amDEN Denver Intl-XWA Williston Basin Intl

2h 02mnonstop

1:38 pm - 2:55 pmXWA Williston Basin Intl-DEN Denver Intl

2h 17mnonstop

$541United Airlines

Thu, Dec 24 - Sat, Jan 9

7:45 am - 10:53 amDEN Denver Intl-XWA Williston Basin Intl

2h 08mnonstop

6:20 pm - 7:36 pmXWA Williston Basin Intl-DEN Denver Intl

2h 16mnonstop

$559United Airlines

Thu, Dec 24 - Mon, Dec 28

7:05 pm - 10:05 pmDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

6:14 pm - 7:30 pmXWA Williston Basin Intl-DEN Denver Intl

2h 16mnonstop

$728United Airlines

Wed, Dec 23 - Mon, Dec 28

7:45 am - 10:53 amDEN Denver Intl-XWA Williston Basin Intl

2h 08mnonstop

6:14 pm - 7:30 pmXWA Williston Basin Intl-DEN Denver Intl

2h 16mnonstop

$738United Airlines

All round-trip flight deals to Williston

Fri, Feb 12 - Mon, Feb 22

2:40 pm - 10:06 pmPHX Phoenix Sky Harbor Intl-XWA Williston Basin Intl

6h 26m1 stop Denver Intl

6:14 pm - 10:51 pmXWA Williston Basin Intl-PHX Phoenix Sky Harbor Intl

5h 37m1 stop Denver Intl

$338United Airlines

Thu, Feb 11 - Sun, Feb 21

4:30 pm - 11:47 pmPHX Phoenix Sky Harbor Intl-XWA Williston Basin Intl

6h 17m1 stop Denver Intl

11:34 am - 6:12 pmXWA Williston Basin Intl-PHX Phoenix Sky Harbor Intl

7h 38m1 stop Denver Intl

$338United Airlines

Fri, Oct 9 - Mon, Oct 12

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

6:40 pm - 7:45 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$349United Airlines

Fri, Oct 9 - Sun, Oct 11

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

6:20 pm - 7:25 pmXWA Williston Basin Intl-DEN Denver Intl

2h 05mnonstop

$349United Airlines

Fri, Feb 12 - Mon, Feb 22

2:40 pm - 10:06 pmPHX Phoenix Sky Harbor Intl-XWA Williston Basin Intl

6h 26m1 stop Denver Intl

1:40 pm - 9:23 pmXWA Williston Basin Intl-PHX Phoenix Sky Harbor Intl

8h 43m2 stops Denver Intl Los Angeles

$393United Airlines

Thu, Oct 22 - Thu, Oct 29

6:30 am - 1:27 pmDFW Dallas/Fort Worth-XWA Williston Basin Intl

6h 57m1 stop Las Vegas Harry Reid Intl

2:25 pm - 10:54 pmXWA Williston Basin Intl-DFW Dallas/Fort Worth

8h 29m1 stop Las Vegas Harry Reid Intl

$397Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

7:59 am - 10:59 amDEN Denver Intl-XWA Williston Basin Intl

2h 00mnonstop

11:40 am - 12:47 pmXWA Williston Basin Intl-DEN Denver Intl

2h 07mnonstop

$409United Airlines

Fri, Jan 1 - Thu, Jan 7

7:45 am - 10:53 amDEN Denver Intl-XWA Williston Basin Intl

2h 08mnonstop

6:20 pm - 7:36 pmXWA Williston Basin Intl-DEN Denver Intl

2h 16mnonstop

$409United Airlines

Fri, Oct 23 - Tue, Oct 27

5:00 am - 10:59 amORD Chicago O'Hare Intl-XWA Williston Basin Intl

5h 59m1 stop Denver Intl

3:45 pm - 11:59 pmXWA Williston Basin Intl-ORD Chicago O'Hare Intl

8h 14m1 stop Denver Intl

$428United Airlines

Thu, Oct 22 - Thu, Oct 29

6:30 am - 1:27 pmDFW Dallas/Fort Worth-XWA Williston Basin Intl

6h 57m1 stop Las Vegas Harry Reid Intl

2:25 pm - 9:40 amXWA Williston Basin Intl-DFW Dallas/Fort Worth

19h 15m2 stops Las Vegas Harry Reid Intl Denver Intl

$429Multiple Airlines

Booking Insights

Price, demand and travel trends for flights to Williston

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

What is the cheapest flight to Williston?: Phoenix Sky Harbor Intl Airport to Williston is the cheapest route at $338 round-trip, found in the past 5 days on KAYAK. Denver to Williston is the most popular connection with round-trip deals from $349.
What is the cheapest day to fly to Williston?: Saturday is the cheapest day to fly to Williston at $413 round-trip on average over the past 12 months on KAYAK. Sunday is the most expensive at $593.
What’s the cheapest month to fly to Williston? To calculate monthly average prices, KAYAK takes all prices for each month over the last 12 months for flights to Williston, removes the top 0.1% to account for outliers, then takes the median of all values for each month.: •February is the cheapest month to fly to Williston with an average price of $353 round-trip.
•June ($563) and May ($527) are the most expensive.

Based on KAYAK data over the past 12 months.
What is the cheapest time of day to fly to Williston? Average price for all round-trip flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Evening flights to Williston are the cheapest at $401 round-trip on average. Morning flights are the most expensive at $463.

Find deals

Expert advice

Our travel experts

Stefanie Waldek

Expert on United Airlines and Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Low season	February
High season	August
Cheapest flight	$145

Beat the crowds with an average 50% drop in travelers.

The most popular month to fly with an average 1% increase in travelers.

One-way flight from Denver to Williston

When to book flights to Williston

Are your dates flexible? Find out the best times to travel to Williston based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Williston based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to Williston is a good deal?
A good deal on a flight to Williston is around $338 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
Which city has the cheapest flights to Williston?
Based on fares booked in the past 5 days, the cheapest flights to Williston are from:
• Phoenix, from $338 round-trip
• Dallas, from $397 round-trip
• Chicago, from $428 round-trip
What is the difference between the most popular and the most frequent airline at Williston?
United Airlines operates the most flights from the United States to Williston at 30 per week, and for this route United Airlines is also the airline most often selected by KAYAK users searching for flights from the United States to Williston. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

For flights to Williston, a good round-trip fare is around $338. If you find a fare below that, you're getting a strong deal.
If your travel dates are flexible, consider flying to Williston in February. Round-trip fares historically average $353, making February the cheapest month to travel based on KAYAK data from the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat-selection costs on budget carriers.
• Verify whether you need any travel documents beyond ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to afternoon to save up to $62 per round-trip. Afternoon flights to Williston average $401 compared to $463 for morning flights.
Bag allowances vary by airline, fare type, cabin class and route. On flights to Williston, some airlines may include bags at no extra cost. For example, United Airlines includes a cabin bag in Economy Class and Delta includes a cabin bag and a checked bag in Economy Class. Always check the fare details before booking, since bag policies can change by ticket type.

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Everything you should know

Cheap Flights to Williston

Recent round-trip flight deals to Williston

Recent one-way flight deals to Williston

Recent last minute flight deals to Williston

Recent direct flight deals from the United States to Williston

All round-trip flight deals to Williston

Price, demand and travel trends for flights to Williston

What is the cheapest flight to Williston?

What is the cheapest day to fly to Williston?

What’s the cheapest month to fly to Williston?

What is the cheapest time of day to fly to Williston?

What are the most popular airlines flying to Williston?

Which airline offers the most nonstop flights to Williston?

How many direct flights to Williston are there each day?

How many direct flights to Williston are there each week?

How many long-haul flights are there to Williston each week?

Expert advice for your flight to Williston

Key details for flights to Williston

Low season

High season

Cheapest flight

When to book flights to Williston

Your questions about flights to Williston, answered

Your guide to booking Williston flights

Traveling to a place near Williston?

More options for your flight to Williston

Complete your trip to Williston with a hotel stay or car rental

Flights with popular airlines flying to Williston

Information on the airport you'll fly into in Williston

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Find direct flights for Williston

Flights from local origins to Williston

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Popular routes to Williston

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