Cheap flights from San Jose to Idaho Falls

One-way fares from $278 · SJC → IDA · prices found by travellers in the last 48 hours

Compare all dates Idaho Falls → San Jose
Cheapest fare
$278

Alaska Airlines · Mon, Nov 9

Cheapest month
November

from $278

Direct flights
Not recently

Usually 1+ stop

Quickest trip
3h 35m

1,080 km

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Cheapest month to fly from San Jose to Idaho Falls

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $278

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Where to stay, what to do and getting around, from our travel partners.

Where to stay

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Things to do

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Getting around

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About flights from San Jose to Idaho Falls

San Jose (SJC) and Idaho Falls (IDA) are about 1,080 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 35m. Over the next few months, one-way fares start from $278, 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 San Jose to Idaho Falls?

The cheapest one-way fare we've seen recently is $278 with Alaska Airlines, departing Monday, November 9, 2026.

What is the cheapest month to fly from San Jose to Idaho Falls?

November 2026 currently has the lowest fares, from $278 one way.

Are there direct flights from San Jose to Idaho Falls?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from San Jose to Idaho Falls?

The quickest journey we've seen takes about 3h 35m. San Jose and Idaho Falls are around 1,080 km apart.

Which airlines fly from San Jose to Idaho Falls?

Recent fares on this route were with Alaska Airlines.

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