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).

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Lowest observed
€161
Average observed
€241
Cheapest month
November 2026
Last checked
3 Nov 2026
Observed fares. Prices may change.

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One-way fare

One-way fare · No data: click and we will search
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

Boise → Salt Lake CityThu 12 Nov 2026 · €161Last checked: 3 Nov 2026

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.

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Observed, not guaranteed
Every price is a fare we actually saw, and it may change at any time.
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How our prices work
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Price alert for Boise → Salt Lake City

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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).

Lowest one-way fare we saw per airline
AirlineLowest farePriced days
Allegiant Air€161Nov 16, 20263
United Airlines€416Jan 5, 20273

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

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Recently observed fares. Prices may change.

About these prices
Fares are observed at trusted providers and refreshed regularly. They can change at any time and may not include extras.
Data and updates
Last checked 3 Nov 2026. Availability and fares must be confirmed when you search.
Your booking
When you book, the price is confirmed with the provider. Booking is completed on their site; we do not process payments.