Idaho

$81+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Apr 28 — May 51
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Utah to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 29, 2026.

This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:29 pm
SLC
-
BOI
1 stop20h 01m
Frontier
Tue 5/261:25 pm
BOI
-
SLC
1 stop26h 19m
Frontier
Deal found 3/26$151
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 5/71:32 pm
SLC
-
GEG
1 stop7h 57m
Multiple Airlines
Sun 5/109:19 pm
GEG
-
SLC
1 stop11h 11m
Multiple Airlines
Deal found 3/28$181
This Delta deal was found by Cheapflights users on 3/24. 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.
Sat 8/85:19 pm
SLC
-
PIH
Nonstop1h 04m
Delta
Fri 8/2111:44 am
PIH
-
SLC
Nonstop1h 01m
Delta
Deal found 3/24$189
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 4/239:57 am
SLC
-
GEG
1 stop11h 32m
Multiple Airlines
Sun 4/269:19 pm
GEG
-
SLC
1 stop10h 33m
Multiple Airlines
Deal found 3/28$196
This Delta deal was found by Cheapflights users on 3/24. 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 4/2410:49 am
SLC
-
PIH
Nonstop1h 04m
Delta
Sun 4/2612:33 pm
PIH
-
SLC
Nonstop0h 59m
Delta
Deal found 3/24$199
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Thu 4/168:56 am
SLC
-
IDA
2 stops30h 31m
Multiple Airlines
Mon 4/2010:21 pm
IDA
-
SLC
1 stop18h 30m
Multiple Airlines
Deal found 3/26$210
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:49 pm
SLC
-
BOI
1 stop21h 38m
Frontier
Thu 5/141:22 pm
BOI
-
SLC
1 stop18h 16m
Frontier
Deal found 3/26$216
This CheapOair deal was found by Cheapflights users on 3/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:41 pm
SLC
-
BOI
1 stop20h 28m
Frontier
Sun 6/281:04 pm
BOI
-
SLC
1 stop18h 27m
Frontier
Deal found 3/28$221
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/95:44 pm
SLC
-
IDA
1 stop27h 47m
Multiple Airlines
Mon 4/1310:21 pm
IDA
-
SLC
1 stop18h 30m
Multiple Airlines
Deal found 3/24$229
This CheapOair deal was found by Cheapflights users on 3/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:54 pm
SLC
-
BOI
1 stop13h 33m
Frontier
Sun 5/101:22 pm
BOI
-
SLC
1 stop9h 57m
Frontier
Deal found 3/28$236
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:15 pm
SLC
-
IDA
Nonstop1h 04m
Delta
Wed 10/146:00 am
IDA
-
SLC
Nonstop1h 15m
Delta
Deal found 3/25$239
This Expedia deal was found by Cheapflights users on 3/26. 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.
Thu 4/238:11 am
SLC
-
GEG
1 stop15h 09m
Multiple Airlines
Thu 4/3011:44 am
GEG
-
SLC
1 stop19h 17m
Multiple Airlines
Deal found 3/26$247

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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$151
(CheapOair)

One-way from

$81
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$389

Good round-trip deal

$379 or less

Good one-way deal

$258 or less
Provider with most accurate pricing for Salt Lake City-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for Salt Lake City-Boise Air Term. Gowen Fld flights.
From Utah to Idaho
One-way flight from Utah to Idaho
Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Utah to Idaho.
Price to beat on a one-way flight from Utah to Idaho.

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 March 29, 2026.
Use the filters below to find and compare flights from Utah to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Salt Lake CityPocatello

SLC - PIH

SLCPIH

Salt Lake City

Fri 4/24

10:49 am-11:53 am

Nonstop1h 04m

Pocatello

Sun 4/26

12:33 pm-1:32 pm

Nonstop0h 59m

$199

Salt Lake CityIdaho Falls

SLC - IDA

SLCIDA

Salt Lake City

Thu 4/9

5:44 pm-9:31 pm

1 stop27h 47m

Idaho Falls Fanning Field

Mon 4/13

10:21 pm-4:51 pm

1 stop18h 30m

$229

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Wed 5/6

4:45 pm-9:35 pm

1 stop5h 50m

Spokane

Thu 5/7

5:50 am-1:00 pm

1 stop6h 10m

$286

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 4/24

5:30 pm-10:40 pm

1 stop5h 10m

Idaho Falls Fanning Field

Mon 4/27

6:58 pm-9:53 pm

1 stop2h 55m

$298

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Tue 6/2

4:45 pm-12:25 am

2 stops7h 40m

Boise Air Term. Gowen Fld

Wed 6/3

11:35 am-6:55 pm

2 stops7h 20m

$301

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 4/17

11:58 am-11:47 pm

1 stop11h 49m

Boise Air Term. Gowen Fld

Mon 4/20

7:40 am-11:06 pm

2 stops15h 26m

$308

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Sat 4/11

5:16 am-9:54 am

1 stop4h 38m

Boise Air Term. Gowen Fld

Wed 4/15

5:00 am-10:09 am

1 stop5h 09m

$308

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Thu 4/9

6:00 am-9:27 am

1 stop3h 27m

Boise Air Term. Gowen Fld

Mon 4/13

12:52 pm-4:52 pm

1 stop4h 00m

$308

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Tue 5/5

8:40 am-11:46 am

1 stop4h 06m

Spokane

Wed 5/6

10:30 am-8:48 pm

1 stop9h 18m

$311

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Wed 4/22

11:56 am-9:26 pm

1 stop9h 30m

Boise Air Term. Gowen Fld

Sat 4/25

7:43 am-8:48 pm

1 stop13h 05m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, September is the cheapest month in which you can book a flight from Utah to Idaho (average of $188). Flying from Utah to Idaho in August is currently the most expensive (average of $259). 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 March 29, 2026.

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 44% 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 March 23, 2026.

Travelers seeking maximum savings on their Utah to Idaho flight should consider departing on Saturday mornings 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.

Weekly flight availability from Utah to Idaho

Explore weekly flight availability from Utah to Idaho. 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 March 29, 2026.

The most flights from USUT to USID are scheduled on a Saturday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Utah to Idaho?

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 March 29, 2026.
Read reviews from past customers who have flown Delta and United 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.

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

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.

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

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.

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Crew

8.5

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 popular is this Utah to Idaho flight route?

  • How long is the flight from Utah to Idaho?

    For as low as $199, Delta can have you in Idaho from Utah in 1h 04m. Utah and Idaho are separated by a distance of 150 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 ($79), Delta ($143), and Southwest ($161).

  • 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, September is the cheapest month in which you can book a flight from Utah to Idaho (average of $188). Flying from Utah to Idaho in August is currently the most expensive (average of $259). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Utah to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Utah to Idaho

Discover the top 2 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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$193Average$395FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$308FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.