Which airlines fly to Williston?

United Airlines and Delta are the most popular airlines that fly from United States to Williston on a routine basis, according to our data. You should be able to find flights to Williston with these airlines and other airlines flying from United States.

Delta Flights to Williston

20 Delta flights head to Williston on average each week. Most will be flying from Minneapolis St Paul to Williston, the most popular route that Delta operates to Williston. Prices vary based on when and where you fly from - the cheapest Delta flight to Williston found in the past 3 days on momondo was $258, departing from Atlanta Hartsfield-Jackson. Delta is the most popular choice on momondo for this route and has been scored 7.9/10 by 7,954 of our users.

United Airlines Flights to Williston

United Airlines flies to Williston 33 times per week usually, making it a popular airline to fly with, particularly when heading to Williston from Denver Intl. United Airlines (rating: 7.4, 8,929 reviews) varies in price depending on when and where you want to fly to Williston from. The best United Airlines ticket price found on momondo to Williston was from Denver Intl ($199 round-trip).

$138 Cheap Flights to Williston in 2025/26

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Find the cheapest flights from the United States to Williston

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

2:36 pm - 5:43 pmDEN-XWA

2h 07mnonstop

11:28 am - 12:43 pmXWA-DEN

2h 15mnonstop

$199United Airlines

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Thu, Dec 18 - Sun, Jan 4

7:10 pm - 10:05 pmDEN-XWA

1h 55mnonstop

11:05 am - 12:11 pmXWA-DEN

2h 06mnonstop

$209United Airlines

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Fri, Oct 3 - Sun, Oct 5

2:36 pm - 5:43 pmDEN-XWA

2h 07mnonstop

6:22 pm - 7:40 pmXWA-DEN

2h 18mnonstop

$239United Airlines

Find Deal

Thu, Dec 18 - Sun, Dec 28

10:15 am - 12:08 pmMSP-XWA

1h 53mnonstop

12:45 pm - 2:34 pmXWA-MSP

1h 49mnonstop

$248Delta

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Tue, Oct 14 - Tue, Oct 21

6:00 am - 12:10 pmDEN-XWA

5h 10m1 stop

3:42 pm - 10:51 pmXWA-DEN

8h 09m1 stop

$298Delta

Find Deal

Thu, Dec 18 - Sun, Jan 4

8:47 pm - 11:44 pmDEN-XWA

1h 57mnonstop

3:11 pm - 4:27 pmXWA-DEN

2h 16mnonstop

$309United Airlines

Find Deal

Wed, Nov 26 - Sun, Nov 30

6:24 am - 1:27 pmMSP-XWA

7h 03m1 stop

2:25 pm - 11:00 pmXWA-MSP

8h 35m1 stop

$495Sun Country Air

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Thu, Oct 16 - Thu, Oct 23

12:02 pm - 1:33 pmDEN-XWA

24h 31m2 stops

2:25 pm - 9:30 amXWA-DEN

20h 05m2 stops

$694Sun Country Air

Find Deal

Wed, Nov 26 - Sun, Nov 30

12:02 pm - 1:33 pmDEN-XWA

24h 31m2 stops

2:25 pm - 6:47 pmXWA-DEN

29h 22m3 stops

$733

Find Deal

Wed, Nov 26 - Sun, Nov 30

12:02 pm - 1:33 pmDEN-XWA

24h 31m3 stops

2:25 pm - 6:47 pmXWA-DEN

29h 22m3 stops

$843

Find Deal

Wed, Nov 26 - Sun, Nov 30

Fly from

Route

Depart

Return

Price

DenverWilliston

DEN - XWA

DENXWA

Denver Intl

Thu 12/18

2:36 pm-5:43 pm

Nonstop2h 07m

Williston Basin Intl

Sun 1/4

11:28 am-12:43 pm

Nonstop2h 15m

$199

DenverWilliston

DEN - XWA

DENXWA

Denver Intl

Fri 10/3

7:10 pm-10:05 pm

Nonstop1h 55m

Williston Basin Intl

Sun 10/5

11:05 am-12:11 pm

Nonstop2h 06m

$209

DenverWilliston

DEN - XWA

DENXWA

Denver Intl

Thu 12/18

2:36 pm-5:43 pm

Nonstop2h 07m

Williston Basin Intl

Sun 12/28

6:22 pm-7:40 pm

Nonstop2h 18m

$239

MinneapolisWilliston

MSP - XWA

MSPXWA

Minneapolis St Paul

Tue 10/14

10:15 am-12:08 pm

Nonstop1h 53m

Williston Basin Intl

Tue 10/21

12:45 pm-2:34 pm

Nonstop1h 49m

$248

DenverWilliston

DEN - XWA

DENXWA

Denver Intl

Thu 12/18

6:00 am-12:10 pm

1 stop5h 10m

Williston Basin Intl

Sun 1/4

3:42 pm-10:51 pm

1 stop8h 09m

$298

DenverWilliston

DEN - XWA

DENXWA

Denver Intl

Wed 11/26

8:47 pm-11:44 pm

Nonstop1h 57m

Williston Basin Intl

Sun 11/30

3:11 pm-4:27 pm

Nonstop2h 16m

$309

MinneapolisWilliston

MSP - XWA

MSPXWA

Minneapolis St Paul

Thu 10/16

6:24 am-1:27 pm

1 stop7h 03m

Williston Basin Intl

Thu 10/23

2:25 pm-11:00 pm

1 stop8h 35m

$495

DenverWilliston

DEN - XWA

DENXWA

Denver Intl

Wed 11/26

12:02 pm-1:33 pm

2 stops24h 31m

Williston Basin Intl

Sun 11/30

2:25 pm-9:30 am

2 stops20h 05m

$694

DenverWilliston

DEN - XWA

DENXWA

Denver Intl

Wed 11/26

12:02 pm-1:33 pm

2 stops24h 31m

Williston Basin Intl

Sun 11/30

2:25 pm-6:47 pm

3 stops29h 22m

$733

DenverWilliston

DEN - XWA

DENXWA

Denver Intl

Wed 11/26

12:02 pm-1:33 pm

3 stops24h 31m

Williston Basin Intl

Sun 11/30

2:25 pm-6:47 pm

3 stops29h 22m

$843

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Williston flights insights and trends

Explore insights for your Williston flight to craft the best travel plan

What is the absolute cheapest flight to Williston?

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What is the cheapest day to depart on your flight to Williston?

The cheapest day to depart from United States to Williston is on a Friday when prices can be found for as low as $442. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from United States to Williston for around $631.

What is the cheapest time of day to depart on your flight to Williston?

According to our data, the cheapest time of day to fly to Williston is in the afternoon. momondo users have found flights departing from United States to Williston in the afternoon for as low as $483. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $603 on average. Flights to Williston from United States in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Williston flight deals and tips

Summary info about Williston flight prices, duration and airlines

Best One-Way Price	$138
Best Round-Trip Price	$199
Fastest flight time	1h 53m

The best one-way flight price to Williston from United States in the last 72 hours is $138 (Minneapolis St Paul to Williston Basin Intl).

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The best round-trip flight price to Williston from United States in the last 72 hours is $199 (Denver Intl to Williston Basin Intl).

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The fastest flight to Williston from United States takes 1h 53m (Minneapolis St Paul to Williston Basin Intl).

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Frequently asked questions about flying to Williston

Is there an alternative airport near Williston?

Finding an alternative and possibly cheaper destination airport near Williston is possible. If you are planning a flight to Williston, consider booking flights to Sidney Richland Municipal Airport (40 mi from Williston city center), Glendive Mont Dawson Airport (89 mi from Williston city center) or Wolf Point Airport (90 mi from Williston city center).

Is there a cheaper alternative to flying into Williston?

Prices vary based on where travelers are departing from, but on average, the cheapest airport to fly to in Williston is Sidney Richland Municipal Airport where the average price is $77. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Williston Basin Intl Airport?

Prices for flights to Williston Basin Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Williston Basin Intl Airport?

There are 2 operators available for flights to Williston Basin Intl Airport as of September 2025.

How old do you have to be to fly to Williston Basin Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Williston Basin Intl Airport.

What documentation or ID do you need to fly to Williston Basin Intl Airport?

The travel and health documents required for your trip to Williston Basin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Williston Basin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

Why should I use momondo to find a flight deal to Williston?

Finding the right flight to Williston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Williston quick and easy, saving you time and money.

Can I find flights to Williston with flexible booking policies on momondo?

Flights to Williston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights to Williston?

Once all potential Williston flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight to Williston right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Williston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.