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Idaho

$71+ Cheap flights from Utah to Idaho

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Utah to Idaho

Cheapest flights from Utah to Idaho
Explore the most affordable flight options available from Utah to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:36 amSLC - GEG
1 stop8h 17mFrontier
Sun 1/412:02 pmGEG - SLC
1 stop19h 10mFrontier
Deal found 12/14$163
This Orbitz deal was found by Cheapflights users on 12/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:58 pmSLC - GEG
1 stop15h 09mFrontier
Tue 12/3012:02 pmGEG - SLC
1 stop19h 10mFrontier
Deal found 12/13$214
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:20 amSLC - BOI
1 stop4h 23mFrontier
Sat 1/312:54 pmBOI - SLC
1 stop11h 13mFrontier
Deal found 12/16$233
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:30 pmSLC - BOI
1 stop21h 13mFrontier
Sun 1/412:38 pmBOI - SLC
1 stop19h 34mFrontier
Deal found 12/15$254
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Thu 12/255:00 amIDA - SGU
1 stop5h 20mUnited Airlines
Deal found 12/14$288
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:20 amSLC - BOI
1 stop4h 39mFrontier
Sun 12/2112:38 pmBOI - SLC
1 stop11h 29mFrontier
Deal found 12/16$298
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:36 pmSGU - IDA
1 stop5h 23mUnited Airlines
Sun 12/215:00 amIDA - SGU
1 stop5h 20mUnited Airlines
Deal found 12/15$308
This Expedia deal was found by Cheapflights users on 12/15. 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.
Wed 12/313:24 pmSLC - GEG
1 stop4h 22mMultiple Airlines
Sat 1/312:02 pmGEG - SLC
1 stop11h 05mMultiple Airlines
Deal found 12/15$312
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/249:45 pmSLC - IDA
Nonstop1h 07mDelta
Fri 1/26:57 pmIDA - SLC
Nonstop1h 23mDelta
Deal found 12/16$319
This Expedia deal was found by Cheapflights users on 12/13. 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.
Sat 12/209:33 pmSLC - GEG
1 stop14h 34mMultiple Airlines
Fri 1/25:00 amGEG - SLC
1 stop3h 58mMultiple Airlines
Deal found 12/13$331
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:20 amSLC - BOI
1 stop4h 23mFrontier
Sun 12/2812:38 pmBOI - SLC
1 stop11h 29mFrontier
Deal found 12/14$332
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/319:45 pmSLC - IDA
Nonstop1h 07mDelta
Sun 1/45:55 amIDA - SLC
Nonstop1h 16mDelta
Deal found 12/16$339

Find flight deals from Utah to Idaho

Keep the following information in mind while searching for Utah to Idaho flight deals. Data was last updated December 16, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$181
(Frontier)

One-way from

$71
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$469

Good round-trip deal

$469 or less

Good one-way deal

$443 or less
Provider with most accurate pricing for Salt Lake City-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-Boise Air Term. Gowen Fld flights.
Search Deals
From Utah to Idaho
Search Deals
One-way flight from Utah to Idaho
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 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 Utah to Idaho.
Search Deals
Price to beat on a one-way flight from Utah to Idaho.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Utah to Idaho 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 16, 2025.
Use the filters below to find and compare flights from Utah to Idaho that are best for you.

Fly from

Utah

Fly to

Idaho

Route

Depart

Return

Price

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sun 1/11

11:48 am-11:17 am

1 stop23h 29m

Boise Air Term. Gowen Fld

Sun 1/18

2:01 pm-8:34 am

1 stop18h 33m

$138

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Tue 12/30

8:36 am-3:53 pm

1 stop8h 17m

Spokane

Sun 1/4

12:02 pm-8:12 am

1 stop19h 10m

$163

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Sun 1/4

7:20 am-11:07 am

1 stop4h 47m

Spokane

Wed 1/7

7:30 am-2:42 pm

1 stop6h 12m

$188

Salt Lake CityIdaho Falls

SLC - IDA

SLCIDA

Salt Lake City

Thu 1/15

9:15 pm-10:19 pm

Nonstop1h 04m

Idaho Falls Fanning Field

Thu 1/22

6:35 pm-7:58 pm

Nonstop1h 23m

$199

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 1/23

7:00 am-12:51 pm

1 stop5h 51m

Boise Air Term. Gowen Fld

Sun 1/25

6:23 am-5:34 pm

1 stop11h 11m

$204

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 1/8

9:00 am-11:01 pm

1 stop14h 01m

Boise Air Term. Gowen Fld

Mon 1/12

6:23 am-11:17 am

1 stop4h 54m

$204

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 1/8

7:00 am-3:10 pm

1 stop8h 10m

Boise Air Term. Gowen Fld

Sun 1/11

6:23 am-11:17 am

1 stop4h 54m

$204

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Tue 1/13

3:40 pm-9:05 pm

1 stop5h 25m

Boise Air Term. Gowen Fld

Tue 1/20

3:43 pm-8:58 pm

1 stop5h 15m

$204

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 1/9

6:28 pm-11:01 pm

1 stop4h 33m

Boise Air Term. Gowen Fld

Sun 1/11

6:23 am-11:17 am

1 stop4h 54m

$204

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 1/16

7:00 am-11:59 pm

1 stop16h 59m

Boise Air Term. Gowen Fld

Mon 1/19

5:55 pm-5:34 pm

1 stop23h 39m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
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Best time to book a flight from Utah to Idaho

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

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

Currently, February is the cheapest month in which you can book a flight from Utah to Idaho (average of $136). Flying from Utah to Idaho in October is currently the most expensive (average of $253). 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 UT to ID?

Find hourly flight availability from Utah to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

When flying from Utah to Idaho, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 31% versus a flight in the afternoon.

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

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

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

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated December 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Utah to Idaho. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,049 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Utah to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Utah to Idaho?

    For as low as $199, Frontier can have you in Idaho from Utah in 1h 04m. Utah and Idaho are separated by a distance of 189 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Utah to Idaho are Frontier ($86), Delta ($143), and Southwest ($158).

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Utah to Idaho (average of $136). Flying from Utah to Idaho in October is currently the most expensive (average of $253). 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 Utah to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Utah to Idaho

Discover the top 3 airlines that operate flights from Utah to Idaho. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$199Average$399FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$374FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$263Average$408FlexibilityNo cancel feeOn-time71%

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