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$64+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap 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 December 9, 2025.

This Gotogate deal was found by Cheapflights users on 12/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:02 pmGEG - SLC
1 stop19h 10mFrontier
Sun 12/287:20 amSLC - GEG
1 stop4h 47mFrontier
Deal found 12/7$217
This Booking.com deal was found by Cheapflights users on 12/6. 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 12/2012:54 pmBOI - SLC
1 stop19h 18mFrontier
Sun 12/287:20 amSLC - BOI
1 stop4h 23mFrontier
Deal found 12/6$244
This Booking.com deal was found by Cheapflights users on 12/6. 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.
Thu 12/1112:44 pmBOI - SLC
1 stop20h 43mFrontier
Sun 12/147:20 amSLC - BOI
1 stop4h 29mFrontier
Deal found 12/6$251
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/315:00 amIDA - SGU
1 stop5h 20mUnited Airlines
Thu 1/85:10 amSGU - IDA
1 stop4h 46mUnited Airlines
Deal found 12/8$278
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:17 pmBOI - SLC
1 stop12h 27mMultiple Airlines
Wed 12/176:23 pmSLC - BOI
1 stop17h 20mMultiple Airlines
Deal found 12/8$290
This Delta deal was found by Cheapflights users on 12/7. 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 12/1111:10 amBOI - SGU
1 stop3h 33mDelta
Thu 12/187:15 pmSGU - BOI
1 stop5h 27mDelta
Deal found 12/7$298
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:41 pmBOI - SLC
2 stops12h 56mMultiple Airlines
Wed 12/248:58 pmSLC - BOI
1 stop14h 45mMultiple Airlines
Deal found 12/7$303
This Frontier deal was found by Cheapflights users on 12/7. 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.
Sat 12/2712:02 pmGEG - SLC
1 stop11h 05mFrontier
Tue 12/307:20 amSLC - GEG
1 stop4h 47mFrontier
Deal found 12/7$307
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/255:00 amIDA - SGU
1 stop5h 20mUnited Airlines
Sat 12/275:36 pmSGU - IDA
1 stop5h 23mUnited Airlines
Deal found 12/8$308
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/315:00 amIDA - SGU
1 stop5h 20mUnited Airlines
Fri 1/25:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Deal found 12/8$313
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:54 pmBOI - SLC
1 stop11h 13mFrontier
Wed 12/318:58 pmSLC - BOI
1 stop14h 45mFrontier
Deal found 12/8$314
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/149:13 pmGEG - SLC
2 stops35h 31mMultiple Airlines
Thu 12/181:49 pmSLC - GEG
1 stop6h 12mMultiple Airlines
Deal found 12/7$316

Find flight deals from Idaho to Utah

Keep the following information in mind while searching for Idaho to Utah flight deals. Data was last updated December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$133
(Kiwi.com)

One-way from

$64
(Frontier)

Popular in

January

Cheapest in

August

Average price

$389

Good round-trip deal

$385 or less

Good one-way deal

$214 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Salt Lake City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Salt Lake City flights.
Search Deals
From Idaho to Utah
Search Deals
One-way flight from Idaho to Utah
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Idaho to Utah.
Search Deals
Price to beat on a one-way flight from Idaho to Utah.
Search Deals

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 December 9, 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

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

Thu 2/19

12:23 pm-12:08 am

1 stop10h 45m

Salt Lake City

Sat 2/21

6:41 pm-11:28 am

1 stop17h 47m

$157

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Mon 1/5

6:00 pm-11:46 pm

1 stop5h 46m

Salt Lake City

Fri 1/9

6:28 pm-3:10 pm

1 stop20h 42m

$204

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Fri 3/27

6:00 pm-11:19 am

1 stop17h 19m

Salt Lake City

Tue 3/31

3:49 pm-8:10 pm

1 stop4h 21m

$204

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Fri 1/9

1:55 pm-8:58 pm

1 stop7h 03m

Salt Lake City

Sun 1/11

6:28 pm-3:10 pm

1 stop20h 42m

$214

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Wed 2/4

12:46 pm-8:44 pm

2 stops7h 58m

Salt Lake City

Fri 2/6

6:20 am-11:12 am

1 stop4h 52m

$216

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Thu 1/15

11:20 am-2:41 pm

1 stop3h 21m

Saint George

Sun 1/18

7:10 pm-11:12 pm

1 stop4h 02m

$218

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Fri 2/6

5:16 pm-11:04 pm

1 stop5h 48m

Saint George

Mon 2/9

12:07 pm-7:51 pm

1 stop7h 44m

$218

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Fri 2/20

10:45 am-4:50 pm

1 stop6h 05m

Saint George

Mon 2/23

5:50 am-12:01 pm

1 stop6h 11m

$218

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Thu 1/15

4:19 pm-11:04 pm

1 stop6h 45m

Saint George

Mon 1/19

5:10 am-9:56 am

1 stop4h 46m

$218

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 1/6

6:15 pm-9:53 pm

1 stop3h 38m

Saint George

Tue 1/13

5:50 am-10:24 am

1 stop4h 34m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 60 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, March is the cheapest month in which you can book a flight from Idaho to Utah (average of $149). Flying from Idaho to Utah in June is currently the most expensive (average of $227). 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 December 9, 2025.

It’s typically best to fly out from Idaho to Utah in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Idaho to Utah?

Use this chart to determine the cheapest time to fly round-trip from Idaho to Utah. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Idaho to Utah flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Idaho to Utah

Explore weekly flight availability from Idaho to Utah. 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 December 9, 2025.

The most flights from USID to USUT are scheduled on a Monday (13 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).

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 December 9, 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
11,419 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,419 reviews
Alaska Airlines
8.0
Very good
11,419 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
8.0
Very good
4,254 reviews
Alaska Airlines
8.0
Very good
11,419 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,011 reviews
Alaska Airlines
8.0
Very good
11,419 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 4 times in the past calendar month.

  • How long is the flight from Idaho to Utah?

    There are many flights that can get you from Idaho to Utah in 3h 21m. Fly via Frontier, Alaska Airlines, or Delta to get the fastest option. The distance between Idaho and Utah is about 468 mi. This flight may include one or multiple stops.

  • 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, March is the cheapest month in which you can book a flight from Idaho to Utah (average of $149). Flying from Idaho to Utah in June is currently the most expensive (average of $227). 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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$138Average$347FlexibilityNo cancel feeOn-time75%
DeltaCheapest$149Average$354FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$202Average$414FlexibilityNo cancel feeOn-time63%

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