Cheap Flights to Williams County from $50

View $50 flight on Fri, Apr 3, 2026Opens in a new window

Popular airlines to Williams County

  • United

  • Delta

  • Cape Air

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How much is the cheapest flight to Williams County?

Prices were available within the past 7 days and start at $50 for one-way flights and $94 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Apr 9 - Thu, Apr 16
DEN
Denver
XWA
Williston
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select United flight, departing Thu, Apr 9 from Denver to Williston, returning Thu, Apr 16, priced at $215 found 2 days ago
Delta
Tue, Apr 21 - Tue, Apr 28
DEN
Denver
XWA
Williston
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Apr 21 from Denver to Williston, returning Tue, Apr 28, priced at $218 found 1 day ago
United
Thu, Apr 9 - Thu, Apr 16
DEN
Denver
XWA
Williston
$229 Roundtrip, found 2 days ago
$229
Roundtrip
found 2 days ago
Select United flight, departing Thu, Apr 9 from Denver to Williston, returning Thu, Apr 16, priced at $229 found 2 days ago
United
Thu, Mar 19 - Mon, Mar 23
DEN
Denver
XWA
Williston
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select United flight, departing Thu, Mar 19 from Denver to Williston, returning Mon, Mar 23, priced at $234 found 1 day ago
United
Thu, Jun 11 - Sun, Jun 14
DEN
Denver
XWA
Williston
$235 Roundtrip, found 2 days ago
$235
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jun 11 from Denver to Williston, returning Sun, Jun 14, priced at $235 found 2 days ago
United
Thu, May 14 - Mon, May 18
DEN
Denver
XWA
Williston
$237 Roundtrip, found 4 days ago
$237
Roundtrip
found 4 days ago
Select United flight, departing Thu, May 14 from Denver to Williston, returning Mon, May 18, priced at $237 found 4 days ago
Delta
Fri, May 22 - Tue, Jun 9
DEN
Denver
XWA
Williston
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, May 22 from Denver to Williston, returning Tue, Jun 9, priced at $238 found 2 days ago
United
Fri, Apr 10 - Mon, Apr 13
DEN
Denver
XWA
Williston
$240 Roundtrip, found 14 hours ago
$240
Roundtrip
found 14 hours ago
Select United flight, departing Fri, Apr 10 from Denver to Williston, returning Mon, Apr 13, priced at $240 found 14 hours ago
American Airlines
Thu, Oct 1 - Thu, Oct 22
IAH
Houston
SDY
Sidney
$496 Roundtrip, found 6 days ago
$496
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Oct 1 from Houston to Sidney, returning Thu, Oct 22, priced at $496 found 6 days ago
Alaska Airlines
Thu, Nov 5 - Sun, Nov 22
DEN
Denver
SDY
Sidney
$919 Roundtrip, found 12 hours ago
$919
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Thu, Nov 5 from Denver to Sidney, returning Sun, Nov 22, priced at $919 found 12 hours ago

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Airports in Williams County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Williston, ND (XWA-Basin Intl.) XWA. Cheapest option available. Flights from $412
XWA
Williston, ND (XWA-Basin Intl.)
Cheapest
Flights from $412

Trending flights to Williams County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cape Air
Tue, Mar 24 - Tue, Mar 24
BIL
Billings
SDY
Sidney
$94 Roundtrip, found 2 days ago
$94
Roundtrip
found 2 days ago
Select Cape Air flight, departing Tue, Mar 24 from Billings to Sidney, returning Tue, Mar 24, priced at $94 found 2 days ago

Frequently asked questions

How do I find cheap flights to Williams County that have flexible change policies?
When it comes to flying these days, flexibility is crucial. That's why we've added a "No change fee" search function to help you track down cheap and flexible tickets to Williams County. It's at the top left of your screen just below the "Flexible change policies" heading.
Which airlines fly to Williams County?
Choose from these two respected airlines that have flights to or near Williams County:

  • United Airlines - 82 flights to or near Williams County each month, including 82 flights to Basin Intl. Airport (XWA) per month.
  • Delta Air Lines - 52 flights to or near Williams County each month, including 52 flights to Basin Intl. Airport (XWA) per month.

How can I find cheap tickets to Williams County?
Start searching as early as possible, fly in or out of nearby airports, avoid vacation periods — you're not short of ways! Another one is to use Expedia's "flexible dates" function. Search for your Williams County flight, then compare the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Williams County was $94.
How much is a flight to Williams County?
One-way trips departing from Denver (DEN) sold for just $50 in the last seven days. During this period, the cost of a round-trip journey to Williams County ranged between $94 and $919. If you spot a bargain ticket, book quickly — these fares don't hang around for long.
What are the most popular airports to fly into in Williams County?
The primary gateway to Williams County, around 134 flights cruise into Basin Intl. Airport (XWA) every month. Search for an unbeatable deal, book your ticket and prepare to soak up the best of this wonderful region.
When is the cheapest time to fly to Williams County?
Fly out on a Tuesday to raise your chances of picking up the cheapest fare to Williams County. Mondays are usually the next most affordable day to depart. Saturday is normally the costliest day to fly anywhere.
How much is a plane ticket to Williams County?
In the last seven days, airfares to Williams County varied from $94 to $919.
What months are the cheapest to book a flight to Williams County?
To land a bargain flight to Williams County, try to book during the month of February when the price of tickets are at their lowest. What time of year is expensive? In the U.S, it's the month of December.
What is the best time to go to Williams County?
July, September and October are popular months to discover Williston, one of Williams County's most interesting cities. Summer here begins June 20. Temperatures vary from 60ºF to 80ºF at this time of year, so visit around then if you're looking for warmer weather.

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*Flight schedules are subject to change.

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