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$67+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Fri 2/2011:56 am
BOI
-
SLC
1 stop23h 49m
Frontier
Sat 2/2110:21 pm
SLC
-
BOI
1 stop12h 50m
Frontier
Deal found 1/26$131
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/212:07 pm
BOI
-
SLC
1 stop20h 37m
Frontier
Thu 2/59:19 pm
SLC
-
BOI
1 stop13h 53m
Frontier
Deal found 1/26$154
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/912:07 pm
BOI
-
SLC
1 stop5h 29m
Frontier
Thu 2/129:49 pm
SLC
-
BOI
1 stop13h 22m
Frontier
Deal found 1/26$160
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/910:10 am
BOI
-
SLC
1 stop25h 51m
Multiple Airlines
Wed 2/118:00 am
SLC
-
BOI
1 stop27h 51m
Multiple Airlines
Deal found 1/25$171
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/18:58 pm
GEG
-
SLC
1 stop20h 59m
Multiple Airlines
Wed 2/47:30 pm
SLC
-
GEG
1 stop25h 38m
Multiple Airlines
Deal found 1/26$209
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:25 am
BOI
-
SLC
2 stops12h 13m
Multiple Airlines
Thu 2/269:59 pm
SLC
-
BOI
1 stop13h 12m
Multiple Airlines
Deal found 1/27$222
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Fri 4/310:06 pm
IDA
-
SLC
1 stop10h 56m
Multiple Airlines
Sat 4/114:07 pm
SLC
-
IDA
1 stop16h 52m
Multiple Airlines
Deal found 1/27$228
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/2612:38 pm
BOI
-
SLC
1 stop20h 06m
Multiple Airlines
Sun 3/18:50 pm
SLC
-
BOI
1 stop19h 57m
Multiple Airlines
Deal found 1/27$230
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:36 pm
BOI
-
SLC
1 stop20h 08m
Multiple Airlines
Tue 3/37:08 am
SLC
-
BOI
1 stop5h 32m
Multiple Airlines
Deal found 1/27$231
This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:32 am
GEG
-
SLC
1 stop22h 22m
Multiple Airlines
Sun 4/196:00 am
SLC
-
GEG
1 stop6h 00m
Multiple Airlines
Deal found 1/25$232
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Fri 2/612:07 pm
BOI
-
SLC
2 stops29h 42m
Frontier
Sun 2/89:40 pm
SLC
-
BOI
1 stop13h 32m
Frontier
Deal found 1/26$235
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Thu 2/52:58 pm
BOI
-
SLC
1 stop23h 09m
Multiple Airlines
Sun 2/89:40 pm
SLC
-
BOI
1 stop13h 32m
Multiple Airlines
Deal found 1/25$237

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$131
(Kiwi.com)

One-way from

$67
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$527

Good round-trip deal

$291 or less

Good one-way deal

$129 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. 14% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 27, 2026.
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 2/9

10:10 am-12:01 pm

1 stop25h 51m

Salt Lake City

Wed 2/11

8:00 am-11:51 am

1 stop27h 51m

$171

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Tue 2/24

1:25 pm-6:00 pm

1 stop4h 35m

Salt Lake City

Thu 2/26

9:59 pm-11:11 am

1 stop13h 12m

$236

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Sun 2/22

5:35 am-10:47 am

1 stop5h 12m

Saint George

Sun 3/1

5:50 am-9:45 am

1 stop3h 55m

$238

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Mon 3/23

5:31 pm-11:05 pm

1 stop5h 34m

Saint George

Sat 3/28

5:13 am-10:06 am

1 stop4h 53m

$238

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 2/10

5:45 am-10:49 am

1 stop5h 04m

Saint George

Sat 2/14

5:50 am-9:47 am

1 stop3h 57m

$248

Idaho FallsSalt Lake City

IDA - SLC

IDASLC

Idaho Falls Fanning Field

Fri 4/17

6:58 pm-8:14 pm

Nonstop1h 16m

Salt Lake City

Mon 4/20

5:10 pm-6:17 pm

Nonstop1h 07m

$249

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Wed 4/15

6:59 pm-11:54 pm

1 stop3h 55m

Saint George

Tue 4/21

5:50 am-9:01 am

1 stop4h 11m

$258

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Tue 2/24

6:35 pm-9:51 pm

1 stop3h 16m

Saint George

Tue 3/3

5:30 pm-10:21 pm

1 stop4h 51m

$263

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Sun 3/15

5:40 am-10:48 am

1 stop4h 08m

Saint George

Sat 3/21

6:00 am-9:00 am

1 stop4h 00m

$284

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 2/3

5:45 am-10:49 am

1 stop5h 04m

Saint George

Sat 2/7

5:50 am-10:24 am

1 stop4h 34m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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, April is the cheapest month in which you can book a flight from Idaho to Utah (average of $149). Flying from Idaho to Utah in May is currently the most expensive (average of $237). 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 January 27, 2026.

It’s typically best to fly out from Idaho to Utah in the evening. Doing so could potentially save you 33% on the flight price compared to flying in the morning, 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 January 24, 2026.

Travelers seeking maximum savings on their Idaho to Utah flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday 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 January 27, 2026.

The most flights from USID to USUT are scheduled on a Monday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 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 January 27, 2026.
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
11,795 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,795 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,268 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,119 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,205 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 5 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 5h 12m. Fly via Delta, United Airlines, or Alaska Airlines 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, April is the cheapest month in which you can book a flight from Idaho to Utah (average of $149). Flying from Idaho to Utah in May is currently the most expensive (average of $237). 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

Browse thousands of different options on Cheapflights for your next trip

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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$138Average$347FlexibilityNo cancel feeOn-time75%
DeltaCheapest$149Average$359FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$202Average$410FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$223Average$284FlexibilityNo cancel feeOn-time69%

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