Cheap flights from Idaho Falls to Saint George

One-way fares from $374 · IDA → SGU · prices found by travellers in the last 48 hours

Cheapest fare
$374

United Airlines · Fri, Nov 13

Cheapest month
November

from $374

Direct flights
Not recently

Usually 1+ stop

Quickest trip
3h 41m

730 km

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Cheapest month to fly from Idaho Falls to Saint George

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

  1. November 2026 Cheapest $374

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

United Airlines
Depart17:30 Fri, Nov 13IDA → SGU 3h 41m · 1 stop
$374one way, per person
View deal
See every date in November 2026 →

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About flights from Idaho Falls to Saint George

Idaho Falls (IDA) and Saint George (SGU) are about 730 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 41m. Over the next few months, one-way fares start from $374, 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 Saint George?

The cheapest one-way fare we've seen recently is $374 with United Airlines, departing Friday, November 13, 2026.

What is the cheapest month to fly from Idaho Falls to Saint George?

November 2026 currently has the lowest fares, from $374 one way.

Are there direct flights from Idaho Falls to Saint George?

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

How long is the flight from Idaho Falls to Saint George?

The quickest journey we've seen takes about 3h 41m. Idaho Falls and Saint George are around 730 km apart.

Which airlines fly from Idaho Falls to Saint George?

Recent fares on this route were with United Airlines.

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