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Idaho

$63+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This Expedia deal was found by Cheapflights users on 1/31. 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 2/267:00 am
SLC
-
GEG
1 stop5h 27m
Multiple Airlines
Tue 3/312:00 pm
GEG
-
SLC
1 stop4h 18m
Multiple Airlines
Deal found 1/31$173
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/48:01 pm
SLC
-
BOI
1 stop15h 50m
Frontier
Thu 3/1212:15 pm
BOI
-
SLC
1 stop19h 40m
Frontier
Deal found 2/2$179
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:20 am
SLC
-
GEG
1 stop5h 46m
Alaska Airlines
Tue 3/1012:00 pm
GEG
-
SLC
1 stop4h 18m
Alaska Airlines
Deal found 2/2$197
This CheapOair deal was found by Cheapflights users on 2/1. 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 5/66:19 pm
SLC
-
BOI
1 stop16h 49m
Frontier
Sun 5/1011:53 am
BOI
-
SLC
1 stop23h 01m
Frontier
Deal found 2/1$206
This CheapOair deal was found by Cheapflights users on 2/2. 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 2/188:01 pm
SLC
-
BOI
1 stop15h 50m
Frontier
Sun 2/2211:56 am
BOI
-
SLC
1 stop20h 48m
Frontier
Deal found 2/2$216
This Expedia deal was found by Cheapflights users on 2/1. 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 2/267:00 am
SLC
-
GEG
1 stop5h 27m
Multiple Airlines
Mon 3/25:40 am
GEG
-
SLC
1 stop5h 08m
Multiple Airlines
Deal found 2/1$225
This Expedia deal was found by Cheapflights users on 2/2. 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 2/96:20 am
SLC
-
BOI
1 stop4h 52m
Frontier
Fri 2/1311:56 am
BOI
-
SLC
1 stop23h 49m
Frontier
Deal found 2/2$226
This CheapOair deal was found by Cheapflights users on 2/1. 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.
Thu 2/199:49 pm
SLC
-
BOI
1 stop13h 22m
Frontier
Sun 2/2211:56 am
BOI
-
SLC
1 stop20h 48m
Frontier
Deal found 2/1$227
This Delta deal was found by Cheapflights users on 2/1. 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.
Sun 3/19:15 pm
SLC
-
IDA
Nonstop1h 06m
Delta
Sun 3/86:55 pm
IDA
-
SLC
Nonstop1h 05m
Delta
Deal found 2/1$229
This CheapOair deal was found by Cheapflights users on 2/2. 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.
Thu 2/129:49 pm
SLC
-
BOI
1 stop13h 22m
Frontier
Sun 2/1511:56 am
BOI
-
SLC
1 stop20h 48m
Frontier
Deal found 2/2$237
This Delta deal was found by Cheapflights users on 2/1. 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 3/116:00 am
SGU
-
BOI
1 stop6h 05m
Delta
Mon 3/1610:35 am
BOI
-
SGU
1 stop4h 04m
Delta
Deal found 2/1$238
This Orbitz deal was found by Cheapflights users on 2/1. 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.
Thu 2/262:13 pm
SLC
-
BOI
1 stop20h 58m
Multiple Airlines
Mon 3/21:25 pm
BOI
-
SLC
1 stop4h 35m
Multiple Airlines
Deal found 2/1$241

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$173
(Expedia)

One-way from

$63
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$369

Good round-trip deal

$389 or less

Good one-way deal

$198 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. 7% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 3, 2026.
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

Wed 3/4

8:01 pm-11:51 am

1 stop15h 50m

Boise Air Term. Gowen Fld

Thu 3/12

12:15 pm-7:55 am

1 stop19h 40m

$179

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Tue 3/3

6:20 am-11:06 am

1 stop5h 46m

Spokane

Tue 3/10

12:00 pm-5:18 pm

1 stop4h 18m

$197

Salt Lake CityIdaho Falls

SLC - IDA

SLCIDA

Salt Lake City

Sun 3/1

9:15 pm-10:21 pm

Nonstop1h 06m

Idaho Falls Fanning Field

Sun 3/8

6:55 pm-8:00 pm

Nonstop1h 05m

$229

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 2/19

9:49 pm-11:11 am

1 stop13h 22m

Boise Air Term. Gowen Fld

Sun 2/22

11:56 am-8:44 am

1 stop20h 48m

$231

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 3/11

6:00 am-12:05 pm

1 stop6h 05m

Boise Air Term. Gowen Fld

Mon 3/16

10:35 am-2:39 pm

1 stop4h 04m

$238

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 2/26

2:13 pm-11:11 am

1 stop20h 58m

Boise Air Term. Gowen Fld

Mon 3/2

1:25 pm-6:00 pm

1 stop4h 35m

$241

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Thu 2/26

12:20 pm-8:30 pm

2 stops9h 10m

Spokane

Sun 3/1

9:15 pm-8:30 am

1 stop10h 15m

$242

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Fri 2/20

5:13 am-10:12 am

1 stop4h 59m

Boise Air Term. Gowen Fld

Sun 2/22

5:00 am-10:12 am

1 stop5h 12m

$243

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Thu 2/19

12:20 pm-8:32 pm

2 stops9h 12m

Spokane

Sun 2/22

9:17 pm-8:30 am

1 stop10h 13m

$258

Salt Lake CityIdaho Falls

SLC - IDA

SLCIDA

Salt Lake City

Mon 3/2

10:49 am-9:39 pm

1 stop10h 50m

Idaho Falls Fanning Field

Mon 3/9

10:30 pm-7:29 pm

1 stop20h 59m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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 February 3, 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 34% 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 January 31, 2026.

Travelers seeking maximum savings on their Utah to Idaho flight should consider departing on Monday 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 February 3, 2026.

The most flights from USUT to USID are scheduled on a Sunday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

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 February 3, 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.
Delta
7.9
Good
8,138 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

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.
Delta
7.9
Good
8,138 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

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.
United Airlines
7.4
Good
9,236 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

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 long is the flight from Utah to Idaho?

    For as low as $229, Frontier can have you in Idaho from Utah in 1h 06m. 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 ($79), 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

Browse thousands of different options on Cheapflights for your next trip

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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 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$136Average$395FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$374FlexibilityNo cancel feeOn-time69%

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