$367 Cheap United flights Spokane (GEG) to Idaho Falls (IDA)

View $367 flight on Tue, Jan 20, 2026Opens in a new window

$367 Cheap United flights Spokane (GEG) to Idaho Falls (IDA)

Prices were available within the past 7 days and start at $367 for one-way flights and $682 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jan 20 - Sun, Jan 25
GEG
Spokane
IDA
Idaho Falls
$682 Roundtrip, found 1 day ago
$682
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jan 20 from Spokane to Idaho Falls, returning Sun, Jan 25, priced at $682 found 1 day ago

Find the cheapest month to fly from Spokane (GEG) to Idaho Falls (IDA)

January is typically the cheapest month to fly

From $217 - $583 per traveler.

Alternative airports near Idaho Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Idaho Falls Regional IDA. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $420
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $420
Flights from Spokane (GEG) to Idaho Falls (IDA)
Origin airport
Spokane Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
620 km