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$58+ Cheap flights from Utah to Boise (BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Utah to Boise

Keep the following information in mind while searching for Utah to Boise flight deals. Data was last updated July 30, 2025.

Round-trip from

$144
(Mytrip)

One-way from

$58
(Cheapflightsfares)

Popular in

July

Cheapest in

October

Average price

$489

Good round-trip deal

$319 or less

Good one-way deal

$298 or less
From Utah to Boise Air Term. Gowen Fld
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One-way flight from Utah to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Utah to Boise Air Term. Gowen Fld.
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Price to beat on a one-way flight from Utah to Boise Air Term. Gowen Fld.
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Find flight deals from Utah to Boise

Cheapest flights from Utah to Boise
Explore the most affordable flight options available from Utah to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:29 amSLC - BOI
1 stop11h 02mSpirit Airlines
Mon 9/229:26 pmBOI - SLC
1 stop11h 08mSpirit Airlines
Deal found 7/30$144
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:45 amSLC - BOI
1 stop4h 52mFrontier
Fri 9/1912:22 pmBOI - SLC
1 stop11h 52mFrontier
Deal found 7/30$198
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/193:34 pmSLC - BOI
1 stop4h 47mMultiple Airlines
Mon 9/226:37 pmBOI - SLC
2 stops19h 52mMultiple Airlines
Deal found 7/30$213
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/271:10 pmSGU - BOI
1 stop3h 47mDelta
Sat 8/306:00 pmBOI - SGU
1 stop3h 50mDelta
Deal found 7/30$218
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1311:30 amSGU - BOI
1 stop4h 25mUnited Airlines
Sun 8/175:42 pmBOI - SGU
1 stop5h 15mUnited Airlines
Deal found 7/29$228
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:05 pmSLC - BOI
Nonstop1h 10mDelta
Thu 9/256:00 amBOI - SLC
Nonstop1h 09mDelta
Deal found 7/30$259
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:48 pmSLC - BOI
1 stop4h 11mAlaska Airlines
Sat 9/206:00 amBOI - SLC
1 stop14h 30mAlaska Airlines
Deal found 7/30$262
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:35 amSLC - BOI
1 stop4h 10mSouthwest
Sat 10/257:20 amBOI - SLC
1 stop6h 05mSouthwest
Deal found 7/28$264
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:30 amSGU - BOI
1 stop5h 47mAmerican Airlines
Wed 9/246:35 amBOI - SGU
1 stop4h 23mAmerican Airlines
Deal found 7/30$392

Cheapflights Fare Finder

 
Customize your flight search to find flights from Utah to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from Utah to Boise that are best for you.

Fly from

Utah

Fly to

Boise

Route

Depart

Return

Price

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 9/19

9:29 am-8:31 pm

1 stop11h 02m

Boise Air Term. Gowen Fld

Mon 9/22

9:26 pm-8:34 am

1 stop11h 08m

$144

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 9/18

6:45 am-11:37 am

1 stop4h 52m

Boise Air Term. Gowen Fld

Fri 9/19

12:22 pm-12:14 am

1 stop11h 52m

$198

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 9/19

3:34 pm-8:21 pm

1 stop4h 47m

Boise Air Term. Gowen Fld

Mon 9/22

6:37 pm-2:29 pm

2 stops19h 52m

$213

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 8/27

1:10 pm-4:57 pm

1 stop3h 47m

Boise Air Term. Gowen Fld

Sat 8/30

6:00 pm-9:50 pm

1 stop3h 50m

$218

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 8/13

11:30 am-3:55 pm

1 stop4h 25m

Boise Air Term. Gowen Fld

Sun 8/17

5:42 pm-10:57 pm

1 stop5h 15m

$228

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 9/18

11:05 pm-12:15 am

Nonstop1h 10m

Boise Air Term. Gowen Fld

Thu 9/25

6:00 am-7:09 am

Nonstop1h 09m

$259

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Tue 9/16

7:48 pm-11:59 pm

1 stop4h 11m

Boise Air Term. Gowen Fld

Sat 9/20

6:00 am-8:30 pm

1 stop14h 30m

$262

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 10/24

5:35 am-9:45 am

1 stop4h 10m

Boise Air Term. Gowen Fld

Sat 10/25

7:20 am-1:25 pm

1 stop6h 05m

$264

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 9/17

7:30 am-1:17 pm

1 stop5h 47m

Boise Air Term. Gowen Fld

Wed 9/24

6:35 am-10:58 am

1 stop4h 23m

$392

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Mon 9/29

3:34 pm-8:21 pm

1 stop4h 47m

$58

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 19 results
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Best time to book a flight from Utah to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Utah with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Utah to Boise

What is the cheapest month to book a flight from Utah to Boise?

Currently, October is the cheapest month in which you can book a flight from Utah to Boise (average of $314). Flying from Utah to Boise in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from UT to BOI?

Find hourly flight availability from Utah to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

When flying from Utah to Boise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Utah to Boise

Explore weekly flight availability from Utah to Boise. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.

The most flights from USUT to BOI are scheduled on a Wednesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated July 30, 2025.
Read through reviews of airlines operating flights from Utah to Boise, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Utah to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boise from Utah?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from Utah to Boise. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

  • What are the cheapest airlines to fly from Utah to Boise one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $58. Users have also found prices from $97 and $104 on Frontier and Southwest, respectively.

  • What are the most reliable airlines from Utah to Boise?

    Consider SkyWest Airlines (100%), LATAM Airlines (100%) or Korean Air (100%) when booking your flight. These represent the most reliable airlines when flying from Utah to Boise.

  • What are the cheapest flights from Utah to Boise?

    Looking at all options, your cheapest flight can be booked for $248. While the most popular route (Salt Lake City - Boise Air Term. Gowen Fld) can be booked for $149 on average our data indicates $439 when flying from Utah to Boise.

  • Can I find deals for flights from Utah to Boise that include hotel bookings?

    Yes. In addition to deals on Utah to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Utah to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Utah to Boise.

  • Can I find deals for business class flights from Utah to Boise?

    Yes. Cheapflights offers flight deals from Utah to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Utah to Boise?

    Currently, October is the cheapest month in which you can book a flight from Utah to Boise (average of $314). Flying from Utah to Boise in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Meridian
Nampa
Ontario
McCall
Caldwell

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Alternative routes for Utah to Boise

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Utah to Boise

Discover the top 3 airlines that operate flights from Utah to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$113Average$280FlexibilityNo cancel feeOn-time65%
DeltaCheapest$218Average$351FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$433FlexibilityNo cancel feeOn-time69%

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