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$108+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$218
(Delta)

One-way from

$108
(FlightHub)

Popular in

September

Cheapest in

October

Average price

$458

Good round-trip deal

$299 or less

Good one-way deal

$248 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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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/203:05 pmSLC - BOI
1 stop5h 39mSpirit Airlines
Mon 9/229:49 pmBOI - SLC
1 stop16h 21mSpirit Airlines
Deal found 6/10$199
This Delta deal was found by Cheapflights users on 6/10. 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 7/106:02 amSGU - BOI
1 stop3h 24mDelta
Thu 7/1712:50 pmBOI - SGU
1 stop5h 45mDelta
Deal found 6/10$218
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/223:05 pmSLC - BOI
1 stop5h 39mMultiple Airlines
Fri 8/2912:27 pmBOI - SLC
1 stop24h 12mMultiple Airlines
Deal found 6/11$233
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/2210:53 amSLC - BOI
2 stops12h 19mAlaska Airlines
Mon 10/2711:09 amBOI - SLC
2 stops24h 22mAlaska Airlines
Deal found 6/10$251
This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 8/18:30 pmSLC - BOI
Nonstop1h 10mDelta
Sat 8/166:00 amBOI - SLC
Nonstop1h 10mDelta
Deal found 6/10$259
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:34 pmSLC - BOI
1 stop17h 12mFrontier
Thu 7/2412:36 pmBOI - SLC
1 stop19h 56mFrontier
Deal found 6/12$266
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/2112:16 pmSLC - BOI
1 stop11h 15mAmerican Airlines
Mon 8/255:15 pmBOI - SLC
1 stop18h 15mAmerican Airlines
Deal found 6/11$307
This Southwest deal was found by Cheapflights users on 6/10. 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.
Sun 8/246:40 amSLC - BOI
2 stops7h 25mSouthwest
Tue 9/26:00 amBOI - SLC
2 stops7h 30mSouthwest
Deal found 6/10$357
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/255:05 amSGU - BOI
1 stop4h 41mUnited Airlines
Sun 6/295:00 amBOI - SGU
1 stop4h 56mUnited Airlines
Deal found 6/10$407
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 7/104:44 pmSLC - BOI
1 stop21h 07mUnited Airlines
Mon 7/142:39 pmBOI - SLC
1 stop20h 25mUnited Airlines
Deal found 6/10$505

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 June 12, 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

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Thu 7/10

6:02 am-9:26 am

1 stop3h 24m

Boise Air Term. Gowen Fld

Thu 7/17

12:50 pm-6:35 pm

1 stop5h 45m

$218

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 8/22

3:05 pm-8:44 pm

1 stop5h 39m

Boise Air Term. Gowen Fld

Fri 8/29

12:27 pm-12:39 pm

1 stop24h 12m

$233

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 8/1

8:30 pm-9:40 pm

Nonstop1h 10m

Boise Air Term. Gowen Fld

Sat 8/16

6:00 am-7:10 am

Nonstop1h 10m

$259

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sat 7/19

6:34 pm-11:46 am

1 stop17h 12m

Boise Air Term. Gowen Fld

Thu 7/24

12:36 pm-8:32 am

1 stop19h 56m

$266

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 8/21

12:16 pm-11:31 pm

1 stop11h 15m

Boise Air Term. Gowen Fld

Mon 8/25

5:15 pm-11:30 am

1 stop18h 15m

$307

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 8/21

7:25 pm-11:59 pm

1 stop4h 34m

Boise Air Term. Gowen Fld

Mon 8/25

8:46 pm-12:41 pm

1 stop15h 55m

$342

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 7/3

8:19 pm-8:48 am

1 stop12h 29m

Boise Air Term. Gowen Fld

Mon 7/7

9:43 am-7:24 pm

1 stop9h 41m

$349

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sun 8/24

7:20 pm-1:10 am

2 stops5h 50m

Boise Air Term. Gowen Fld

Tue 9/2

3:45 pm-10:20 pm

1 stop6h 35m

$352

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 6/25

5:05 am-9:46 am

1 stop4h 41m

Boise Air Term. Gowen Fld

Sun 6/29

5:00 am-9:56 am

1 stop4h 56m

$407

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 7/10

4:44 pm-1:51 pm

1 stop21h 07m

Boise Air Term. Gowen Fld

Mon 7/14

2:39 pm-11:04 am

1 stop20h 25m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 20 results
1
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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 $395). 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 June 12, 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 June 12, 2025.

The most flights from USUT to BOI are scheduled on a Wednesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 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 compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $108. Users have also found prices from $125 and $136 on Frontier and Alaska Airlines, respectively.

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

    Consider Virgin Atlantic (94%), Aeromexico (93%) or Delta (90%) 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 $209 on average our data indicates $382 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 $395). 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 Utah?

Book flights to Utah if you plan to visit one of these locations
Nampa
Meridian
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$113Average$174FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$218Average$360FlexibilityNo cancel feeOn-time69%
DeltaCheapest$218Average$358FlexibilityNo cancel feeOn-timeN/A

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