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Cheap Flights from Idaho Falls to Williston - IDA to ISN

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United Airlines has 383 connecting flights between Idaho Falls, ID and Williston.
You must make at least one connection to fly from Idaho Falls, ID to Williston.

Cheap Domestic Flights from Idaho Falls - IDA

Flights
Airline
Lowest Price
US Airways, United, Delta
$360

Cheap Domestic Flights to Williston - ISN

Flights
Airline
Lowest Price
Frontier, United, Delta
$339
Frontier, Delta, United
$342
Delta, United, Frontier, Alaska, US Airways
$215
Alaska, United, Delta, US Airways
$378
United, Delta
$368
American, Frontier, US Airways, Delta, United, Alaska, JetBlue
$149
Frontier, US Airways, American, Delta, United
$215
United, Delta
$226
Alaska, United, Delta, US Airways, Frontier
$215
United, Delta, Alaska
$385
US Airways, United, Alaska, Frontier, Delta
$215
American, Frontier, US Airways, Delta, AirTran, United
$215
Frontier, American, US Airways, Delta, United
$215
American, US Airways, Frontier, Delta, United
$211
United, Delta
$203
Alaska, Delta, US Airways
$159
American, Alaska, Delta, US Airways, United, Frontier
$159
Alaska, United, Delta
$377
US Airways, Alaska, Delta, Frontier, United
$309
United, Delta, US Airways, American, Frontier
$151
Frontier, United, American, US Airways, Delta
$215
Frontier, Delta, United
$331
United, Delta, Alaska
$367
Frontier, US Airways, American, United, Delta
$255
United, Delta, US Airways, American, Alaska
$294

Cheap International Flights to Williston - ISN

Flights
Airline
Lowest Price
Air Canada, United, Delta
$401
US Airways, Delta, United, Air Canada, Alaska
$328
Air Canada, United, Delta
$374
Delta, Alaska, United, US Airways, Air Canada
$320
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Cheap Flights from Idaho Falls to Williston, from $356 Round trip from IDA to ISN