Cheap flights from Boise to Salt Lake City from $80

In general, August is the cheapest month to fly from Boise to Salt Lake City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $269. If you are unable to visit Salt Lake City during the month of August, then departing from Boise during the month November is also very affordable. Most momondo users find prices during this month for around $279.

On average, the least expensive day to fly to Salt Lake City from Boise is on a Thursday. momondo users have found tickets for Thursday departures for as low as $395. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Salt Lake City on Monday is $476.

Our most recent data shows that the best time of day to fly to Salt Lake City is in the afternoon. Flights from Boise to Salt Lake City during this time can be as low as $335. At noon is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $517 per ticket.

Fly from Boise Air Term. Gowen Fld to Salt Lake City for the best Boise Air Term. Gowen Fld - Salt Lake City flight prices

You are more likely to see cheaper flights to Salt Lake City from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Salt Lake City for around $364 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Salt Lake City from Boise for as low as $250 on momondo.

There are 4 cabin classes available to choose from on Boise Air Term. Gowen Fld to Salt Lake City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 23% on your flight if you consider stops on a Boise to Salt Lake City flight.

As of February 2026, prices for Boise to Salt Lake City flights are approximately 347% more expensive when compared to flights at the same time last year.

Frontier and Alaska Airlines are the most popular carriers operating from Boise Air Term. Gowen Fld to Salt Lake City

Delta, Southwest and Alaska Airlines are the top three most popular airlines that fly to Salt Lake City from Boise according to our data. Delta is the first choice among our users, with 90% of people opting to fly with this airline when traveling to Salt Lake City. Keep in mind that there are 3 different airlines that fly to Salt Lake City on a routine basis, so you have a few additional options to choose from.

As of February 2026, there are 3 flights per day flying from Boise to Salt Lake City. The most common time of day flights depart is 1:00PM, with 35% of flights taking off in the afternoon.

As of February 2026, 23 flights take off from Boise and land in Salt Lake City each week. The most common flight departure day for this route is Wed, with 39% of weekly flights taking off on this day.