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$86+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$218
(American Airlines)

One-way from

$86
(Frontier)

Popular in

March

Cheapest in

September

Average price

$474

Good round-trip deal

$279 or less

Good one-way deal

$137 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Salt Lake City flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Salt Lake City flights.
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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 ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This American Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 4/215:18 pmBOI - SGU
1 stop6h 45mAmerican Airlines
Wed 4/307:30 pmSGU - BOI
1 stop4h 04mAmerican Airlines
Deal found 3/30$218
This Mytrip deal was found by Cheapflights users on 3/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:35 amGEG - SLC
1 stop26h 54mMultiple Airlines
Sat 5/32:36 pmSLC - GEG
1 stop19h 09mMultiple Airlines
Deal found 3/29$219
This Delta deal was found by Cheapflights users on 3/30. 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.
Tue 6/106:20 amPIH - SLC
Nonstop0h 55mDelta
Wed 6/181:05 pmSLC - PIH
Nonstop0h 59mDelta
Deal found 3/30$219
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/155:00 amBOI - SGU
1 stop4h 57mUnited Airlines
Sat 4/195:30 pmSGU - BOI
1 stop5h 33mUnited Airlines
Deal found 3/30$228
This Delta deal was found by Cheapflights users on 3/31. 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 5/236:15 amTWF - SLC
Nonstop0h 55mDelta
Fri 5/308:40 pmSLC - TWF
Nonstop0h 56mDelta
Deal found 3/31$229
This Delta deal was found by Cheapflights users on 3/30. 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 10/91:15 pmBOI - SGU
1 stop3h 35mDelta
Sun 10/125:30 pmSGU - BOI
1 stop4h 34mDelta
Deal found 3/30$238
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 4/154:08 pmGEG - SGU
1 stop5h 47mUnited Airlines
Sat 4/191:47 pmSGU - GEG
1 stop8h 03mUnited Airlines
Deal found 3/31$248
This Frontier deal was found by Cheapflights users on 3/31. 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.
Tue 7/812:36 pmBOI - SLC
1 stop11h 28mFrontier
Thu 7/107:20 amSLC - BOI
1 stop4h 26mFrontier
Deal found 3/31$250
This Frontier deal was found by Cheapflights users on 3/30. 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 6/1211:48 amGEG - SLC
1 stop11h 15mFrontier
Sun 6/157:20 amSLC - GEG
1 stop4h 43mFrontier
Deal found 3/30$260
This Booking.com deal was found by Cheapflights users on 3/31. 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.
Sun 6/1512:36 pmBOI - SLC
1 stop11h 27mMultiple Airlines
Sun 6/228:13 pmSLC - BOI
1 stop12h 28mMultiple Airlines
Deal found 3/31$262
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 5/66:00 amGEG - SLC
1 stop5h 02mAlaska Airlines
Tue 5/64:40 pmSLC - GEG
1 stop7h 39mAlaska Airlines
Deal found 3/30$264
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 4/143:21 pmGEG - SGU
1 stop7h 42mAmerican Airlines
Mon 4/217:30 pmSGU - GEG
1 stop4h 29mAmerican Airlines
Deal found 3/31$267

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 March 31, 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

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Mon 4/21

5:18 pm-12:03 am

1 stop6h 45m

Saint George

Wed 4/30

7:30 pm-11:34 pm

1 stop4h 04m

$218

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

Thu 5/1

9:35 am-1:29 pm

1 stop26h 54m

Salt Lake City

Sat 5/3

2:36 pm-8:45 am

1 stop19h 09m

$219

PocatelloSalt Lake City

PIH - SLC

PIHSLC

Pocatello

Tue 6/10

6:20 am-7:15 am

Nonstop0h 55m

Salt Lake City

Wed 6/18

1:05 pm-2:04 pm

Nonstop0h 59m

$219

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 4/15

5:00 am-9:57 am

1 stop4h 57m

Saint George

Sat 4/19

5:30 pm-11:03 pm

1 stop5h 33m

$228

Twin FallsSalt Lake City

TWF - SLC

TWFSLC

Twin Falls Joslin

Fri 5/23

6:15 am-7:10 am

Nonstop0h 55m

Salt Lake City

Fri 5/30

8:40 pm-9:36 pm

Nonstop0h 56m

$229

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Tue 4/15

4:08 pm-10:55 pm

1 stop5h 47m

Saint George

Sat 4/19

1:47 pm-8:50 pm

1 stop8h 03m

$248

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Tue 7/8

12:36 pm-12:04 am

1 stop11h 28m

Salt Lake City

Thu 7/10

7:20 am-11:46 am

1 stop4h 26m

$250

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 4/15

7:30 am-2:52 pm

2 stops7h 22m

Saint George

Sat 4/19

9:15 am-12:10 pm

1 stop2h 55m

$254

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

Thu 6/12

11:48 am-12:03 am

1 stop11h 15m

Salt Lake City

Sun 6/15

7:20 am-11:03 am

1 stop4h 43m

$260

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Sun 6/15

12:36 pm-12:03 am

1 stop11h 27m

Salt Lake City

Sun 6/22

8:13 pm-8:41 am

1 stop12h 28m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 56 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 March 31, 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.

Rainfall in Utah by month

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

In terms of precipitation, rainfall in Utah ranges from 0.6 - 2.0 inches per month. April is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Utah when rainfall is around 0.6 in.

Temperature in Utah by month

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

If weather is an important factor for your trip to Utah, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 March 31, 2025.
To help decide which airline to fly from Idaho to Utah, see what other customers have to say about Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,344 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 12 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 Frontier ($86), Spirit Airlines ($95), and Alaska Airlines ($122).

  • 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 3 airlines flying from Idaho to Utah

Discover the top 3 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$99Average$188FlexibilityNo cancel feeOn-time65%
DeltaCheapest$138Average$369FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$302Average$470FlexibilityNo cancel feeOn-time63%
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