The cheapest times to fly from BOI to SLC are
- January 1st to February 25th (except the week of February 12th)
- April 23rd to May 13th
- August 6th to November 18th
- December 3rd to December 16th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BOI to SLC is early December. Prices can be as high as $374 for Sunday flights during mid March, or as low as $180 for Tuesday flights around early December.
When to Fly to Salt Lake City
Flying from Boise, ID (BOI) to Salt Lake City, UT (SLC) will usually cost between $187 to $275 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $208. Due to high demand the most expensive time to fly is mid March, with an average price of $280. Planning your trip to low-cost times can easily save you $73 on economy flights and even more on first-class flights. Generally, any price below $225 can be considered a good price for a round-trip BOI to SLC flight.
See below for a graph of average weekly prices for the BOI to SLC route. All prices are for round-trip tickets in USD.
Compared to other flights, the BOI to SLC flight is much cheaper than the average and costs much less than the average flight leaving from Boise. The average price per mile (for a direct flight) is $0.48, which is a bit above average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to fly to SLC, and Wednesday the cheapest day to fly back into BOI. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $52 (21%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $195. Return trip prices are from the SLC to BOI flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from BOI to SLC can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 30 minutes may be realistic.
Flight Questions Answered
Still have questions about flying from BOI to SLC? We’ve got answers.
Which airlines fly this route?
You can find 7 major airlines flying this route most often: Alaska, American, Delta, Emirates, Frontier, Southwest, United, and potentially more during busy seasons.
How far away is it from Salt Lake City International Airport to Boise Air Terminal Airport?
The distance between the two airports is roughly 290 miles or 467 kilometers.
How long does it take to fly from BOI to SLC?
The real-world flight time for a nonstop BOI to SLC flight is about 1 hour 30 minutes.
How many flights go between Boise, ID and Salt Lake City, UT?
It depends on the day of the week and the date, but a typical day might have around 56 available flights from BOI to SLC.
Airport Location Info
|Origination airport name||Boise Air Terminal Airport|
|Country||the United States|
|Destination airport name||Salt Lake City International Airport|
|City||Salt Lake City, UT|
|Country||the United States|
Late and Early Flight Data
Flights from BOI to SLC tend to depart late almost never compared to the average flight. According to our recently updated data, 11% of flights departed 5 or more minutes late, and 20% of flights left 5 or more minutes early. On average you can expect to leave SLC heading for BOI about at the time listed on your ticket. This does not significantly impact arrival time, as the average landing time in Salt Lake City, UT is about 3 minutes early. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- Delta: 1 minutes late
- SkyWest: 2 minutes early
- Some airlines not reporting
Flights to SLC
Flights from SLC
Flights to BOI
Flights from BOI
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.