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$72+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
ene. 22 — ene. 291
jue. 1/22
jue. 1/29
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 diciembre 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
dom. 12/2812:02 pmGEG - SLC
1 stop11h 05mFrontier
sáb. 1/38:58 pmSLC - GEG
1 stop15h 09mFrontier
Deal found 12/21$299
This United Airlines deal was found by Cheapflights users on 12/22. 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.
lun. 12/295:00 amBOI - SGU
1 stop5h 20mUnited Airlines
lun. 1/55:36 pmSGU - BOI
1 stop5h 04mUnited Airlines
Deal found 12/22$310
This Travelocity deal was found by Cheapflights users on 12/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2512:38 pmBOI - SLC
1 stop11h 29mFrontier
sáb. 12/277:20 amSLC - BOI
1 stop4h 39mFrontier
Deal found 12/21$333
This United Airlines deal was found by Cheapflights users on 12/22. 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.
mar. 12/235:00 amIDA - SGU
1 stop5h 20mUnited Airlines
sáb. 12/275:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Deal found 12/22$333
This United Airlines deal was found by Cheapflights users on 12/21. 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.
mar. 12/305:00 amBOI - SGU
1 stop5h 20mUnited Airlines
dom. 1/45:10 amSGU - BOI
1 stop4h 51mUnited Airlines
Deal found 12/21$342
This Expedia deal was found by Cheapflights users on 12/22. 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.
sáb. 12/2712:02 pmGEG - SLC
1 stop11h 05mFrontier
sáb. 1/38:58 pmSLC - GEG
1 stop15h 09mFrontier
Deal found 12/22$352
This United Airlines deal was found by Cheapflights users on 12/20. 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.
mié. 12/245:12 pmBOI - SGU
1 stop5h 52mUnited Airlines
dom. 12/281:51 pmSGU - BOI
1 stop7h 40mUnited Airlines
Deal found 12/20$358
This Delta deal was found by Cheapflights users on 12/22. 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.
lun. 12/221:15 pmTWF - SLC
Nonstop1h 06mDelta
mar. 12/3011:15 amSLC - TWF
Nonstop1h 05mDelta
Deal found 12/22$359
This Delta deal was found by Cheapflights users on 12/21. 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.
lun. 12/225:55 amIDA - SLC
Nonstop1h 16mDelta
lun. 12/295:10 pmSLC - IDA
Nonstop1h 07mDelta
Deal found 12/21$369
This Expedia deal was found by Cheapflights users on 12/21. 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.
mar. 12/2312:02 pmGEG - SLC
1 stop19h 10mFrontier
mar. 12/308:36 amSLC - GEG
1 stop8h 17mFrontier
Deal found 12/21$372
This Delta deal was found by Cheapflights users on 12/22. 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.
lun. 12/221:15 pmTWF - SLC
Nonstop1h 06mDelta
lun. 12/299:05 pmSLC - TWF
Nonstop1h 06mDelta
Deal found 12/22$389
This Delta deal was found by Cheapflights users on 12/22. 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.
mié. 12/241:10 pmIDA - SLC
Nonstop1h 12mDelta
mié. 12/319:45 pmSLC - IDA
Nonstop1h 07mDelta
Deal found 12/22$439

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 diciembre 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$138
(Kiwi.com)

One-way from

$72
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$419

Good round-trip deal

$377 or less

Good one-way deal

$210 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. 11% potential increase in price ($46 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 December 2025
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 diciembre 23, 2025.
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

lun. 1/19

2:19 pm-12:34 am

1 stop10h 15m

Salt Lake City

jue. 1/22

6:31 pm-11:12 am

1 stop16h 41m

$138

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

dom. 1/18

1:38 pm-11:17 am

1 stop20h 39m

Salt Lake City

sáb. 1/24

7:00 am-11:12 am

1 stop5h 12m

$146

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

lun. 1/19

6:23 am-11:43 pm

1 stop17h 20m

Salt Lake City

lun. 1/26

7:00 am-11:01 pm

1 stop16h 01m

$146

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

dom. 1/18

2:01 pm-12:34 am

1 stop10h 33m

Salt Lake City

dom. 1/25

9:40 pm-11:12 am

1 stop13h 32m

$167

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

vie. 2/27

5:40 am-5:18 pm

1 stop10h 38m

Salt Lake City

lun. 3/2

6:20 am-5:03 pm

1 stop11h 43m

$175

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

sáb. 1/17

1:38 pm-11:17 am

1 stop20h 39m

Salt Lake City

sáb. 1/24

7:00 am-11:04 pm

1 stop17h 04m

$175

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

sáb. 1/17

5:55 pm-11:17 am

1 stop17h 22m

Salt Lake City

sáb. 1/24

7:00 am-6:22 pm

1 stop11h 22m

$175

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

jue. 2/19

12:22 pm-12:14 am

1 stop10h 52m

Salt Lake City

dom. 2/22

7:00 am-2:16 pm

1 stop8h 16m

$197

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

dom. 2/1

12:03 pm-12:14 am

1 stop11h 11m

Salt Lake City

jue. 2/5

6:20 am-11:08 am

1 stop5h 48m

$197

HaileySaint George

SUN - SGU

SUNSGU

Hailey Sun Valley-Friedman

sáb. 1/24

12:55 pm-6:32 pm

1 stop5h 37m

Saint George

mié. 1/28

5:50 am-12:13 pm

1 stop6h 23m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

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, March is the cheapest month in which you can book a flight from Idaho to Utah (average of $149). Flying from Idaho to Utah in June is currently the most expensive (average of $227). 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 diciembre 23, 2025.

It’s typically best to fly out from Idaho to Utah in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying at noon, 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 December 16, 2024.

Travelers seeking maximum savings on their Idaho to Utah flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday 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 diciembre 23, 2025.

The most flights from USID to USUT are scheduled on a Monday (14 on average). You will have fewer flight options on Thursday, 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 diciembre 23, 2025.
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
11,513 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,513 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Southwest
8.0
Very good
4,253 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Delta
7.9
Good
8,014 reviews
Alaska Airlines
8.0
Very good
11,513 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

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 37m. Fly via Frontier, Alaska Airlines, or Delta to get the fastest option. The distance between Idaho and Utah is about 444 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, March is the cheapest month in which you can book a flight from Idaho to Utah (average of $149). Flying from Idaho to Utah in June is currently the most expensive (average of $227). 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 3 airlines flying from Idaho to Utah

Discover the top 3 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 diciembre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$138Average$347FlexibilityNo cancel feeOn-time75%
DeltaCheapest$149Average$352FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$202Average$414FlexibilityNo cancel feeOn-time63%

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