- Cheapest fare
- $374
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 3h 41m
United Airlines · Fri, Nov 13
from $374
Usually 1+ stop
730 km
Get a price alert
We'll email you when Idaho Falls → Saint George drops to your price. It's free, and you can stop any time.
Today's cheapest fare is $374. We'll send one email to confirm. See our privacy policy.
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.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Plan the rest of your trip to Saint George
Where to stay, what to do and getting around, from our travel partners.
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.
More cheap flights from Idaho Falls
- Idaho Falls to Phoenixfrom $144
- Idaho Falls to Daytonfrom $443
- Idaho Falls to Las Vegasfrom $113
- Idaho Falls to Denverfrom $225
- Idaho Falls to Minneapolisfrom $252
- Idaho Falls to San Josefrom $253
- Idaho Falls to Nashvillefrom $258
- Idaho Falls to San Franciscofrom $258
- Idaho Falls to Eugenefrom $259
- Idaho Falls to Sacramentofrom $260
- Idaho Falls to Seattlefrom $267
- Idaho Falls to Kalispellfrom $299