Cheap flights from Boise to Salt Lake City

Cheapest current fares: $289 in August 2026, 467 km direct flight in ~33m.

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Live fares · BOI → SLC

Cheapest month-by-month fares

Lowest available fare per calendar month from Boise (BOI) to Salt Lake City (SLC). Refreshed daily.

Boise (BOI) → Salt Lake City (SLC)

  1. August 2026 $289

Frequently asked questions

  • What is the cheapest month to fly from Boise to Salt Lake City?

    Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Boise (BOI) to Salt Lake City (SLC), with fares starting from $289.

  • What is the lowest current fare from BOI to SLC?

    The lowest currently-listed fare from Boise (BOI) to Salt Lake City (SLC) is $289 on 2026-08-17.

  • How long is the flight from Boise to Salt Lake City?

    Direct flights from BOI to SLC cover approximately 467 km (290 miles), with an estimated flight time of 33m. Operating airlines: DL.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: BOI → SLC Cheapest month to fly to Salt Lake City All flights from Boise All flights to Salt Lake City Flights to USA Visa-free with USA passport DL routes