Your next trip, last seen at €113
Lowest observedFrontier Airlines · 1 stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €113, departing 11 Jan 2027 (Last checked: 11 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 69Check live prices for this route
- Airlines seen
- Alaska Airlines, Allegiant Air, Delta Air Lines, Frontier Airlines, United Airlines
- Typical journey time
- 15h 52m
About this route
Explore the fares we observed from Idaho Falls to Salt Lake City. Prices move often, so pick your dates to see the latest options.
- Route distance
- 304 km
- Typical journey time
- 15h 52m
- Airlines seen
- Alaska Airlines, Allegiant Air, Delta Air Lines, Frontier Airlines, United Airlines
- Seen on fares with a connection
- Alaska Airlines, Allegiant Air, United Airlines, Frontier Airlines
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
Airport to city: straight-line distance
- Idaho Falls Regional Airport (IDA) → Idaho Falls, city gazetteer reference point (43.4927, -112.0408): ≈ 3 km.
- Salt Lake City International Airport (SLC) → Salt Lake City, city gazetteer reference point (40.7608, -111.8910): ≈ 8 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Idaho Falls to Salt Lake City: January 2027, from €113 (checked 11 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €167 | 7 |
| November 2026 | €114 | 22 |
| December 2026 | €114 | 17 |
| January 2027 | €113 | 18 |
| February 2027 | €128 | 5 |
Lowest fare by day of the week
Cheapest day of the week from Idaho Falls to Salt Lake City: Monday, from €113 (checked 11 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €113 | 16 |
| Tuesday | €231 | 6 |
| Wednesday | €131 | 10 |
| Thursday | €212 | 8 |
| Friday | €122 | 16 |
| Saturday | €240 | 6 |
| Sunday | €122 | 7 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Idaho Falls to Salt Lake City by days until departure (61 days or more): €113 (checked 11 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €114 | 19 |
| 31 to 60 days | €114 | 18 |
| 61 days or more | €113 | 30 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Idaho Falls to Salt Lake City: Frontier Airlines, from €113 (checked 11 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €113Jan 11, 2027 | 7 |
| Allegiant Air | €114Nov 16, 2026 | 32 |
| Alaska Airlines | €224Jan 27, 2027 | 23 |
| United Airlines | €279Dec 25, 2026 | 7 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Idaho Falls to Salt Lake City?
The lowest fare we have observed is €113, found on 11 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Idaho Falls to Salt Lake City?
Cheapest month from Idaho Falls to Salt Lake City: January 2027, from €113 (checked 11 Oct 2026).
Are there direct flights from Idaho Falls to Salt Lake City?
Our data holds no non-stop flight from Idaho Falls to Salt Lake City. The fares on this page include at least one stop.
Which airlines fly from Idaho Falls to Salt Lake City?
These are the carriers we have seen on the route: Alaska Airlines, Allegiant Air, Delta Air Lines, Frontier Airlines, United Airlines.
How long does the flight from Idaho Falls to Salt Lake City take?
The average journey time across the 78 fares we observed is 14h 49m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
Which day of the week is cheapest from Idaho Falls to Salt Lake City?
Cheapest day of the week from Idaho Falls to Salt Lake City: Monday, from €113 (checked 11 Oct 2026).
Which airline has the lowest fare from Idaho Falls to Salt Lake City?
Cheapest airline from Idaho Falls to Salt Lake City: Frontier Airlines, from €113 (checked 11 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 11 Oct 2026