$233 Cheap United flights Seattle (SEA) to Williston (XWA)

View $233 flight on Wed, Jul 23, 2025Opens in a new window

$233 Cheap United flights Seattle (SEA) to Williston (XWA)

Prices were available within the past 7 days and start at $233 for one-way flights and $261 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Wed, Jul 23 - Sat, Aug 9
SEA
Seattle
XWA
Williston
$261
Roundtrip
Found 3 days ago
Select United flight, departing Wed, Jul 23 from Seattle to Williston, returning Sat, Aug 9, priced at $261 Found 3 days ago
United
Wed, Jul 23 - Sat, Aug 9
SEA
Seattle
XWA
Williston
$284
Roundtrip
Found 3 days ago
Select United flight, departing Wed, Jul 23 from Seattle to Williston, returning Sat, Aug 9, priced at $284 Found 3 days ago
United
Wed, Jul 23 - Sat, Aug 9
SEA
Seattle
XWA
Williston
$299
Roundtrip
Found 3 days ago
Select United flight, departing Wed, Jul 23 from Seattle to Williston, returning Sat, Aug 9, priced at $299 Found 3 days ago
United
Wed, Jul 23 - Mon, Aug 11
SEA
Seattle
XWA
Williston
$319
Roundtrip
Found 3 days ago
Select United flight, departing Wed, Jul 23 from Seattle to Williston, returning Mon, Aug 11, priced at $319 Found 3 days ago
United
Wed, Jul 23 - Sat, Aug 9
SEA
Seattle
XWA
Williston
$331
Roundtrip
Found 3 days ago
Select United flight, departing Wed, Jul 23 from Seattle to Williston, returning Sat, Aug 9, priced at $331 Found 3 days ago
United
Thu, Jul 24 - Tue, Aug 12
SEA
Seattle
XWA
Williston
$353
Roundtrip
Found 3 days ago
Select United flight, departing Thu, Jul 24 from Seattle to Williston, returning Tue, Aug 12, priced at $353 Found 3 days ago
Flights from Seattle (SEA) to Williston (XWA)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Basin Intl.
Distance
1375 km