Boise to Salt Lake City flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Boise to Salt Lake City is €161 (checked on 3 Nov 2026).
Your next trip, last seen at €161
Below averageWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
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
- €161, departing 12 Nov 2026 (Last checked: 3 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 7Check live prices for this route
- Non-stop, one way
- €240, departing 8 Nov 2026 (Last checked: 3 Nov 2026)
- Airlines seen
- Alaska Airlines, Allegiant Air, Frontier Airlines, United Airlines
- Non-stop
- Yes
About this route
Explore the fares we observed from Boise to Salt Lake City. Prices move often, so pick your dates to see the latest options.
- Route distance
- 476 km
Route-level information; individual journeys vary.
Published schedules report non-stop service with Delta Air Lines. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Boise Air Terminal/Gowen Field (BOI) → Boise, city gazetteer reference point (43.6150, -116.2023): ≈ 6 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 one-way fare we saw per airline
Cheapest airline from Boise to Salt Lake City: Allegiant Air, from €161 (checked 23 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Allegiant Air | €161Nov 16, 2026 | 3 |
| United Airlines | €416Jan 5, 2027 | 3 |
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 Boise to Salt Lake City?
The lowest fare Routavio has observed is €161, found on 3 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Boise to Salt Lake City?
In our observations November 2026 is the cheapest month so far, at €161.
Are there direct flights from Boise to Salt Lake City?
Yes. Published schedules report non-stop flights on this route with Delta Air Lines.
Which airlines fly from Boise to Salt Lake City?
Routavio has seen these carriers on the route: Alaska Airlines, Allegiant Air, Frontier Airlines, United Airlines.
How long does the flight from Boise to Salt Lake City take?
Across the 76 fares Routavio observed, the average journey time is 17h 06m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Boise to Salt Lake City fares were non-stop?
4 of the 83 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a non-stop flight from Boise to Salt Lake City?
Cheapest non-stop one-way fare: €240, departing 8 Nov 2026 (checked 3 Nov 2026).
Which airline has the lowest fare from Boise to Salt Lake City?
Cheapest airline from Boise to Salt Lake City: Allegiant Air, from €161 (checked 23 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
Keep exploring
Similar routes
Non-stop airlines on this route
More routes from Boise
Show all 35 routes →Show fewer ↑
More routes to Salt Lake City
Show all 36 routes →Show fewer ↑
Recently observed fares. Prices may change.

