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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
$340

Cheap Domestic Flights to Williston - ISN

Flights
Airline
Lowest Price
Frontier, United, Delta
$336
Frontier, Delta, United
$344
Delta, United, Frontier, Alaska, US Airways
$215
Alaska, United, Delta, US Airways
$337
United, Delta
$365
American, Frontier, US Airways, Delta, United, Alaska, JetBlue
$155
Frontier, US Airways, American, Delta, United
$215
United, Delta
$226
Alaska, United, Delta, US Airways, Frontier
$215
United, Delta, Alaska
$327
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
$161
American, Alaska, Delta, US Airways, United, Frontier
$159
Alaska, United, Delta
$377
US Airways, Alaska, Delta, Frontier, United
$304
United, Delta, US Airways, American, Frontier
$151
Frontier, United, American, US Airways, Delta
$215
Frontier, Delta, United
$333
United, Delta, Alaska
$327
Frontier, US Airways, American, United, Delta
$255
United, Delta, US Airways, American, Alaska
$290

Cheap International Flights to Williston - ISN

Flights
Airline
Lowest Price
Air Canada, United, Delta
$401
US Airways, Delta, United, Air Canada, Alaska
$339
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 $335 Round trip from IDA to ISN