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$76+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
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 July 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Tue 8/251:24 pm
BOI
-
SLC
1 stop10h 35m
Frontier
Thu 8/276:05 am
SLC
-
BOI
1 stop5h 24m
Frontier
Deal found 7/16$173
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 8/61:24 pm
BOI
-
SLC
1 stop25h 31m
Frontier
Tue 8/116:05 am
SLC
-
BOI
1 stop6h 24m
Frontier
Deal found 7/14$177
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Tue 9/2912:59 pm
BOI
-
SLC
1 stop7h 34m
Frontier
Thu 10/19:58 pm
SLC
-
BOI
1 stop16h 59m
Frontier
Deal found 7/14$178
This Delta deal was found by Cheapflights users on 7/14. 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 8/137:00 pm
PIH
-
SLC
Nonstop0h 57m
Delta
Thu 8/205:19 pm
SLC
-
PIH
Nonstop1h 04m
Delta
Deal found 7/14$189
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 8/2012:24 pm
BOI
-
SLC
1 stop11h 35m
Frontier
Tue 8/256:05 am
SLC
-
BOI
1 stop6h 24m
Frontier
Deal found 7/17$189
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Tue 9/81:24 pm
BOI
-
SLC
1 stop23h 12m
Frontier
Sat 9/122:51 pm
SLC
-
BOI
1 stop24h 06m
Frontier
Deal found 7/16$191
This Delta deal was found by Cheapflights users on 7/16. 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 11/56:00 am
IDA
-
SLC
Nonstop1h 12m
Delta
Sat 12/1211:20 am
SLC
-
IDA
Nonstop1h 07m
Delta
Deal found 7/16$199
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 10/53:52 pm
BOI
-
SLC
1 stop5h 11m
Frontier
Mon 10/129:58 pm
SLC
-
BOI
2 stops13h 30m
Frontier
Deal found 7/16$199
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Tue 8/41:24 pm
BOI
-
SLC
1 stop10h 20m
Frontier
Wed 8/53:41 pm
SLC
-
BOI
1 stop20h 48m
Frontier
Deal found 7/14$202
This Frontier deal was found by Cheapflights users on 7/14. 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 8/111:24 pm
BOI
-
SLC
1 stop10h 20m
Frontier
Tue 8/186:05 am
SLC
-
BOI
1 stop6h 24m
Frontier
Deal found 7/14$210
This Expedia deal was found by Cheapflights users on 7/15. 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 9/81:24 pm
BOI
-
SLC
1 stop10h 35m
Frontier
Tue 9/157:25 am
SLC
-
BOI
1 stop4h 39m
Frontier
Deal found 7/15$220
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Tue 9/1512:59 pm
BOI
-
SLC
1 stop7h 34m
Frontier
Thu 9/179:58 pm
SLC
-
BOI
1 stop16h 59m
Frontier
Deal found 7/18$221

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 July 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$173
(Kiwi.com)

One-way from

$76
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$429

Good round-trip deal

$332 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 ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 19, 2026.
Use the filters below to find and compare flights from Idaho to Utah that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PocatelloSalt Lake City

PIH - SLC

PIHSLC

Pocatello

Sat 8/15

11:44 am-12:38 pm

Nonstop0h 54m

Salt Lake City

Sat 8/22

9:30 am-10:34 am

Nonstop1h 04m

$189

PocatelloSalt Lake City

PIH - SLC

PIHSLC

Pocatello

Sun 8/16

11:44 am-12:38 pm

Nonstop0h 54m

Salt Lake City

Sun 8/23

5:19 pm-6:23 pm

Nonstop1h 04m

$189

PocatelloSalt Lake City

PIH - SLC

PIHSLC

Pocatello

Thu 8/13

7:00 pm-7:57 pm

Nonstop0h 57m

Salt Lake City

Thu 8/20

5:19 pm-6:23 pm

Nonstop1h 04m

$189

Idaho FallsSalt Lake City

IDA - SLC

IDASLC

Idaho Falls Fanning Field

Thu 11/19

6:45 pm-8:00 pm

Nonstop1h 15m

Salt Lake City

Sun 11/22

9:15 pm-10:19 pm

Nonstop1h 04m

$199

Idaho FallsSalt Lake City

IDA - SLC

IDASLC

Idaho Falls Fanning Field

Fri 10/2

6:00 am-7:09 am

Nonstop1h 09m

Salt Lake City

Sun 10/4

11:05 am-12:15 pm

Nonstop1h 10m

$199

Idaho FallsSalt Lake City

IDA - SLC

IDASLC

Idaho Falls Fanning Field

Thu 11/5

6:00 am-7:12 am

Nonstop1h 12m

Salt Lake City

Sat 12/12

11:20 am-12:27 pm

Nonstop1h 07m

$199

Idaho FallsSalt Lake City

IDA - SLC

IDASLC

Idaho Falls Fanning Field

Mon 8/10

10:54 pm-9:26 am

1 stop10h 32m

Salt Lake City

Thu 8/13

1:52 pm-4:05 pm

1 stop26h 13m

$223

Idaho FallsSalt Lake City

IDA - SLC

IDASLC

Idaho Falls Fanning Field

Thu 8/13

3:17 pm-4:26 pm

Nonstop1h 09m

Salt Lake City

Tue 8/18

1:27 pm-2:35 pm

Nonstop1h 08m

$229

Idaho FallsSalt Lake City

IDA - SLC

IDASLC

Idaho Falls Fanning Field

Mon 8/10

3:17 pm-4:26 pm

Nonstop1h 09m

Salt Lake City

Mon 8/17

9:41 am-10:50 am

Nonstop1h 09m

$229

West YellowstoneSalt Lake City

WYS - SLC

WYSSLC

West Yellowstone

Fri 8/21

4:44 pm-9:02 pm

1 stop4h 18m

Salt Lake City

Sun 8/23

7:00 am-1:20 pm

1 stop6h 20m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 $331). Flying from Idaho to Utah in March is currently the most expensive (average of $536). 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 19, 2026.

It’s typically best to fly out from Idaho to Utah in the evening. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

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 July 19, 2026.

The most flights from USID to USUT are scheduled on a Friday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 on average).

How far ahead should I book a flight from Idaho to Utah?

To ensure you get the cheapest price possible for a flight from Idaho to Utah, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 July 18, 2026.

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

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 19, 2026.
Read through reviews of airlines operating flights from Idaho to Utah, such as Delta and United Airlines. 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.
Delta
7.8
Good
8,476 reviews

Overall

7.8

Crew

8.5

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
7.8
Good
8,476 reviews
Delta
7.8
Good
8,476 reviews

Overall

7.8

Crew

8.5

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
10,007 reviews
Delta
7.8
Good
8,476 reviews

Overall

7.8

Crew

8.5

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 54m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. The distance between Idaho and Utah is about 150 mi. This flight may include one or multiple stops.

  • 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 ($70), Southwest ($98), and Delta ($147).

  • 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 $331). Flying from Idaho to Utah in March is currently the most expensive (average of $536). 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 2 airlines flying from Idaho to Utah

Discover the top 2 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 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$178Average$540FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$215Average$278FlexibilityNo cancel feeOn-time69%

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