Welcome | Sign out

Cheap Flights from Seattle to Williston - SEA to ISN

Did You Know?

37,700 seats are available per week to fly from Seattle, WA to Williston.
There are 1508 flights from Seattle, WA to Williston per week.
United Airlines has 384 connecting flights between Seattle, WA and Williston.
You must make at least one connection to fly from Seattle, WA to Williston.

Cheap Domestic Flights from Seattle - SEA

Flights
Airline
Lowest Price
American, United, Delta, Alaska, US Airways, Frontier
$149
Virgin America, American, Delta, United, Alaska, US Airways, Hawaiian, Frontier
$194
US Airways, United, Frontier, Delta, Alaska, American, JetBlue, Virgin America
$203
United, Frontier, Delta, Alaska, American, US Airways, Sun Country
$273
United, Delta, Frontier
$273
United, Alaska, Delta, Frontier
$273
Delta, Frontier, United
$438
Delta, Alaska, United, US Airways, American, Sun Country, Frontier
$223
Virgin America, American, Alaska, Delta, United, US Airways
$161
Frontier, US Airways, Alaska, United, Delta
$215
United, Delta, Alaska, US Airways
$321
Frontier, Delta, Alaska, United, US Airways, American
$273

Cheap Domestic Flights to Williston - ISN

Flights
Airline
Lowest Price
Frontier, United, Delta
$321
American, United, Frontier, Delta, Alaska, Virgin America, Spirit, US Airways
$213
Delta, Alaska, US Airways, United, American, Frontier, Virgin America, Spirit
$273
Delta, Alaska, Frontier, United, Spirit, US Airways, American
$149
JetBlue, United, Alaska, US Airways, American, Spirit, Frontier, Virgin America, AirTran
$298
United, Delta, Alaska, American, US Airways, Spirit, Frontier, AirTran
$331
Air Canada, WestJet
CAD346
United, Frontier, Delta
$266
Alaska, Virgin America, Frontier, Hawaiian, Spirit, American, United, US Airways, Delta
$251
United, Delta, JetBlue, Virgin America, Frontier, Alaska, US Airways, American, Spirit
$130
American, US Airways, Frontier, Delta, United, Alaska
$273

Cheap International Flights from Seattle - SEA

Flights
Airline
Lowest Price
Icelandair, Korean, Air Europa, Iberia, Condor, Delta, LOT, Swiss, Turkish, New Zealand, US Airways, KLM, Austrian, Lufthansa, Air France, Air Berlin, American, United, Air Canada, British Airways, Finnair, Brussels, Alitalia, Virgin Atlantic, Tap Portugal
$1025
Delta, Air Canada, Alaska, United
$299

Cheap International Flights to Williston - ISN

Flights
Airline
Lowest Price
Delta, United
CAD460
LOT, Brussels, Finnair, Austrian, Swiss, KLM, Turkish, Virgin Atlantic, US Airways, Air Transat, British Airways, Air Canada, Icelandair, American, Korean, Iberia, Lufthansa, Condor, Air France, United, Delta
CAD733
American, United, Alaska, Air Canada, Delta, US Airways, WestJet
CAD428
Air Canada, WestJet, Alaska, United, Delta, American, US Airways, Cathay
CAD484
American, WestJet, US Airways, Alaska, Delta, United, Air Canada
CAD252
Cheap Flights from Seattle to Williston, from $438 Round trip from SEA to ISN