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$89+ Cheap flights from Idaho to Utah

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Idaho to Utah

Keep the following information in mind while searching for Idaho to Utah flight deals. Data was last updated July 3, 2025.

Round-trip from

$177
(Southwest)

One-way from

$89
(Southwest)

Popular in

March

Cheapest in

June

Average price

$389

Good round-trip deal

$281 or less

Good one-way deal

$126 or less
From Idaho to Utah
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One-way flight from Idaho to Utah
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Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 Idaho to Utah.
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Price to beat on a one-way flight from Idaho to Utah.
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Find flight deals from Idaho to Utah

Cheapest flights from Idaho to Utah
Explore the most affordable flight options available from Idaho to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Southwest deal was found by Cheapflights users on 7/3. 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.
Mon 8/255:00 amBOI - SLC
1 stop6h 35mSouthwest
Wed 8/276:00 amSLC - BOI
1 stop4h 35mSouthwest
Deal found 7/3$177
This Delta deal was found by Cheapflights users on 7/1. 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 7/173:25 pmWYS - SLC
Nonstop1h 10mDelta
Mon 7/211:35 pmSLC - WYS
Nonstop1h 11mDelta
Deal found 7/1$188
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 8/23:20 pmTWF - SLC
Nonstop1h 00mDelta
Sun 8/39:30 pmSLC - TWF
Nonstop0h 55mDelta
Deal found 7/3$189
This FlightHub deal was found by Cheapflights users on 7/1. 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.
Thu 9/259:16 pmBOI - SLC
1 stop20h 36mSpirit Airlines
Sat 9/273:02 pmSLC - BOI
1 stop5h 19mSpirit Airlines
Deal found 7/1$194
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Thu 8/2812:33 pmBOI - SLC
1 stop18h 59mMultiple Airlines
Sat 8/303:02 pmSLC - BOI
1 stop26h 09mMultiple Airlines
Deal found 7/2$213
This Frontier deal was found by Cheapflights users on 7/3. 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.
Fri 10/311:53 amGEG - SLC
1 stop11h 21mFrontier
Sun 10/56:45 amSLC - GEG
1 stop5h 13mFrontier
Deal found 7/3$215
This Delta deal was found by Cheapflights users on 7/1. 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 7/236:00 pmBOI - SGU
1 stop5h 52mDelta
Sat 7/266:02 amSGU - BOI
1 stop3h 24mDelta
Deal found 7/1$218
This Delta deal was found by Cheapflights users on 7/2. 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 9/187:30 amJAC - SLC
Nonstop1h 07mDelta
Wed 10/17:55 pmSLC - JAC
Nonstop1h 04mDelta
Deal found 7/2$219
This Delta deal was found by Cheapflights users on 7/2. 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.
Sun 7/203:04 pmIDA - SGU
1 stop3h 31mDelta
Sun 7/2711:38 amSGU - IDA
1 stop2h 46mDelta
Deal found 7/2$223
This Mytrip deal was found by Cheapflights users on 7/1. 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 7/185:52 pmGEG - SLC
2 stops15h 59mMultiple Airlines
Sun 7/209:52 pmSLC - GEG
2 stops20h 10mMultiple Airlines
Deal found 7/1$227
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/165:00 amBOI - SGU
1 stop4h 56mUnited Airlines
Sun 7/205:05 amSGU - BOI
1 stop4h 41mUnited Airlines
Deal found 7/1$228
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/166:03 pmIDA - SGU
1 stop4h 54mUnited Airlines
Sun 7/205:25 pmSGU - IDA
1 stop5h 26mUnited Airlines
Deal found 7/1$228

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho to Utah 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 3, 2025.
Use the filters below to find and compare flights from Idaho to Utah that are best for you.

Fly from

Idaho

Fly to

Utah

Route

Depart

Return

Price

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Mon 8/25

5:00 am-11:35 am

1 stop6h 35m

Salt Lake City

Wed 8/27

6:00 am-10:35 am

1 stop4h 35m

$177

West YellowstoneSalt Lake City

WYS - SLC

WYSSLC

West Yellowstone

Thu 7/17

3:25 pm-4:35 pm

Nonstop1h 10m

Salt Lake City

Mon 7/21

1:35 pm-2:46 pm

Nonstop1h 11m

$188

Twin FallsSalt Lake City

TWF - SLC

TWFSLC

Twin Falls Joslin

Sat 8/2

3:20 pm-4:20 pm

Nonstop1h 00m

Salt Lake City

Sun 8/3

9:30 pm-10:25 pm

Nonstop0h 55m

$189

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Thu 9/25

9:16 pm-5:52 pm

1 stop20h 36m

Salt Lake City

Sat 9/27

3:02 pm-8:21 pm

1 stop5h 19m

$194

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Thu 8/28

12:33 pm-7:32 am

1 stop18h 59m

Salt Lake City

Sat 8/30

3:02 pm-5:11 pm

1 stop26h 09m

$213

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

Fri 10/3

11:53 am-12:14 am

1 stop11h 21m

Salt Lake City

Sun 10/5

6:45 am-10:58 am

1 stop5h 13m

$215

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Wed 7/23

6:00 pm-11:52 pm

1 stop5h 52m

Saint George

Sat 7/26

6:02 am-9:26 am

1 stop3h 24m

$218

JacksonSalt Lake City

JAC - SLC

JACSLC

Jackson Hole

Thu 9/18

7:30 am-8:37 am

Nonstop1h 07m

Salt Lake City

Wed 10/1

7:55 pm-8:59 pm

Nonstop1h 04m

$219

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Sun 7/20

3:04 pm-6:35 pm

1 stop3h 31m

Saint George

Sun 7/27

11:38 am-2:24 pm

1 stop2h 46m

$223

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

Fri 7/18

5:52 pm-10:51 am

2 stops15h 59m

Salt Lake City

Sun 7/20

9:52 pm-5:02 pm

2 stops20h 10m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 58 results
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Best time to book a flight from Idaho to Utah

Have a flexible travel schedule? Discover the best time to fly to Utah from Idaho 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 Idaho to Utah

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

Currently, October is the cheapest month in which you can book a flight from Idaho to Utah (average of $277). Flying from Idaho to Utah in March is currently the most expensive (average of $417). 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 ID to UT?

Find hourly flight availability from Idaho to Utah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Utah as you normally would.

Reviews of airlines servicing Utah

Get insights into the airlines that provide service to Utah. 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 Utah. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Idaho to Utah, such as Alaska Airlines, Southwest, and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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 Idaho to Utah. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Idaho to Utah flight route?

    Flights from Idaho to Utah have been viewed 8 times in the past calendar month.

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

    The cheapest airlines for a one-way flight from Idaho to Utah are Southwest ($89), Spirit Airlines ($108), and Hawaiian Airlines ($119).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to Utah 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 Idaho to Utah?

    Currently, October is the cheapest month in which you can book a flight from Idaho to Utah (average of $277). Flying from Idaho to Utah in March is currently the most expensive (average of $417). 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

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Alternative routes for Idaho to Utah

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Idaho to Utah

Discover the top 4 airlines that operate flights from Idaho to Utah. 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$112Average$218FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$141Average$347FlexibilityNo cancel feeOn-time75%
DeltaCheapest$159Average$349FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$368Average$452FlexibilityNo cancel feeOn-time63%

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