Alaska AirlinesDepart06:15
Tue, Aug 10IDA → BOI
6h 36m · 2 stops
$316one way, per person
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- Cheapest fare
- $316
- Cheapest month
- August
- Direct flights
- Not recently
- Quickest trip
- 6h 36m
Alaska Airlines · Tue, Aug 10
from $316
Usually 1+ stop
340 km
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Cheapest month to fly from Idaho Falls to Boise
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in August 2027
The lowest fares we've seen for each day, cheapest first.
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About flights from Idaho Falls to Boise
Idaho Falls (IDA) and Boise (BOI) are about 340 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 6h 36m. Over the next few months, one-way fares start from $316, and August 2027 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Idaho Falls to Boise?
The cheapest one-way fare we've seen recently is $316 with Alaska Airlines, departing Tuesday, August 10, 2027.
What is the cheapest month to fly from Idaho Falls to Boise?
August 2027 currently has the lowest fares, from $316 one way.
Are there direct flights from Idaho Falls to Boise?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Idaho Falls to Boise?
The quickest journey we've seen takes about 6h 36m. Idaho Falls and Boise are around 340 km apart.
Which airlines fly from Idaho Falls to Boise?
Recent fares on this route were with Alaska Airlines.
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