Alaska AirlinesDepart06:04
Sat, Nov 14IDA → MSO
3h 48m · 1 stop
$304one way, per person
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- Cheapest fare
- $304
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 48m
Alaska Airlines · Sat, Nov 14
from $304
Usually 1+ stop
410 km
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Cheapest month to fly from Idaho Falls to Missoula
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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Where to stay, what to do and getting around, from our travel partners.
About flights from Idaho Falls to Missoula
Idaho Falls (IDA) and Missoula (MSO) are about 410 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 3h 48m. Over the next few months, one-way fares start from $304, and November 2026 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 Missoula?
The cheapest one-way fare we've seen recently is $304 with Alaska Airlines, departing Saturday, November 14, 2026.
What is the cheapest month to fly from Idaho Falls to Missoula?
November 2026 currently has the lowest fares, from $304 one way.
Are there direct flights from Idaho Falls to Missoula?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Idaho Falls to Missoula?
The quickest journey we've seen takes about 3h 48m. Idaho Falls and Missoula are around 410 km apart.
Which airlines fly from Idaho Falls to Missoula?
Recent fares on this route were with Alaska Airlines.
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