Cheap Flights to Williams County from $50

View $50 flight on Sat, Jun 27, 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.

Cape Air
Fri, May 22 - Mon, May 25
BIL
Billings
SDY
Sidney
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Cape Air flight, departing Fri, May 22 from Billings to Sidney, returning Mon, May 25, priced at $100 just found
Cape Air
Fri, May 22 - Mon, May 25
BIL
Billings
SDY
Sidney
$110 Roundtrip, just found
$110
Roundtrip
just found
Select Cape Air flight, departing Fri, May 22 from Billings to Sidney, returning Mon, May 25, priced at $110 just found
Cape Air
Sun, May 24 - Thu, May 28
BIL
Billings
SDY
Sidney
$110 Roundtrip, found 5 days ago
$110
Roundtrip
found 5 days ago
Select Cape Air flight, departing Sun, May 24 from Billings to Sidney, returning Thu, May 28, priced at $110 found 5 days ago
Cape Air
Sat, Jun 27 - Tue, Jun 30
BIL
Billings
SDY
Sidney
$120 Roundtrip, found 2 hours ago
$120
Roundtrip
found 2 hours ago
Select Cape Air flight, departing Sat, Jun 27 from Billings to Sidney, returning Tue, Jun 30, priced at $120 found 2 hours ago
Cape Air
Sun, May 24 - Wed, May 27
BIL
Billings
SDY
Sidney
$130 Roundtrip, found 12 hours ago
$130
Roundtrip
found 12 hours ago
Select Cape Air flight, departing Sun, May 24 from Billings to Sidney, returning Wed, May 27, priced at $130 found 12 hours ago
Delta
Sat, Aug 1 - Wed, Aug 5
DFW
Dallas
XWA
Williston
$308 Roundtrip, just found
$308
Roundtrip
just found
Select Delta flight, departing Sat, Aug 1 from Dallas to Williston, returning Wed, Aug 5, priced at $308 just found
Delta
Fri, Jul 24 - Tue, Aug 18
SLC
Salt Lake City
XWA
Williston
$322 Roundtrip, found 3 days ago
$322
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Jul 24 from Salt Lake City to Williston, returning Tue, Aug 18, priced at $322 found 3 days ago
United
Wed, Aug 26 - Sat, Aug 29
SLC
Salt Lake City
XWA
Williston
$324 Roundtrip, found 14 hours ago
$324
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Aug 26 from Salt Lake City to Williston, returning Sat, Aug 29, priced at $324 found 14 hours ago
Alaska Airlines
Tue, Aug 25 - Tue, Sep 15
DFW
Dallas
SDY
Sidney
$464 Roundtrip, found 1 day ago
$464
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Aug 25 from Dallas to Sidney, returning Tue, Sep 15, priced at $464 found 1 day ago
American Airlines
Mon, May 25 - Mon, Jun 1
GRI
Grand Island
SDY
Sidney
$1,048 Roundtrip, found 1 day ago
$1,048
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, May 25 from Grand Island to Sidney, returning Mon, Jun 1, priced at $1,048 found 1 day ago

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 $511
XWA
Williston, ND (XWA-Basin Intl.)
Cheapest
Flights from $511

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
Wed, Jul 8 - Wed, Jul 8
BIL
Billings
SDY
Sidney
$94 Roundtrip, found 6 hours ago
$94
Roundtrip
found 6 hours ago
Select Cape Air flight, departing Wed, Jul 8 from Billings to Sidney, returning Wed, Jul 8, priced at $94 found 6 hours 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 Billings (BIL) 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 $1,048. 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 $1,048.
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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Travel information

*Flight schedules are subject to change.

*Available to One Key members.

 

*Flight schedules are subject to change.

*Available to One Key members.