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$67+ 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
feb. 15 — feb. 221
dom. 2/15
dom. 2/22
1 adult, Economy
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Cheap flight deals from Idaho to Utah

Keep the following information in mind while searching for Idaho to Utah flight deals. Data was last updated enero 16, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$131
(Kiwi.com)

One-way from

$67
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$453

Good round-trip deal

$355 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.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Salt Lake City flights.
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From Idaho to Utah
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One-way flight from Idaho to Utah
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Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Idaho to Utah.
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Price to beat on a one-way flight from Idaho to Utah.
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Find 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 enero 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
vie. 2/1311:56 am
BOI
-
SLC
1 stop27h 09m
Frontier
vie. 2/2010:35 pm
SLC
-
BOI
2 stops36h 36m
Frontier
Deal found 1/14$148
This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/212:07 pm
BOI
-
SLC
1 stop12h 07m
Frontier
jue. 2/56:31 pm
SLC
-
BOI
1 stop16h 41m
Frontier
Deal found 1/13$169
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/153:11 pm
GEG
-
SLC
1 stop8h 03m
Frontier
mié. 2/188:01 pm
SLC
-
GEG
1 stop16h 26m
Frontier
Deal found 1/13$171
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/235:41 pm
BOI
-
SLC
1 stop18h 20m
Multiple Airlines
jue. 2/263:05 pm
SLC
-
BOI
1 stop25h 42m
Multiple Airlines
Deal found 1/13$177
This Delta deal was found by Cheapflights users on 1/16. 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.
dom. 5/2411:47 am
TWF
-
SLC
Nonstop0h 58m
Delta
dom. 5/311:40 pm
SLC
-
TWF
Nonstop0h 59m
Delta
Deal found 1/16$179
This Frontier deal was found by Cheapflights users on 1/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/2912:03 pm
GEG
-
SLC
1 stop11h 11m
Frontier
jue. 2/56:20 am
SLC
-
GEG
1 stop5h 48m
Frontier
Deal found 1/15$181
This Expedia deal was found by Cheapflights users on 1/15. 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.
jue. 1/2912:03 pm
GEG
-
SLC
1 stop19h 37m
Frontier
dom. 2/11:15 pm
SLC
-
GEG
1 stop5h 57m
Frontier
Deal found 1/15$195
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
lun. 2/912:07 pm
BOI
-
SLC
1 stop12h 07m
Frontier
mié. 2/112:28 pm
SLC
-
BOI
2 stops21h 23m
Frontier
Deal found 1/14$198
This Delta deal was found by Cheapflights users on 1/14. 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.
sáb. 2/145:25 am
IDA
-
SLC
Nonstop1h 27m
Delta
jue. 2/199:15 pm
SLC
-
IDA
Nonstop1h 06m
Delta
Deal found 1/14$199
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
jue. 4/21:30 pm
BOI
-
SLC
1 stop18h 20m
Frontier
mar. 4/74:43 pm
SLC
-
BOI
2 stops42h 25m
Frontier
Deal found 1/14$205
This Kiwi.com deal was found by Cheapflights users on 1/16. 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.
jue. 2/512:03 pm
GEG
-
SLC
1 stop19h 37m
Frontier
dom. 2/86:20 am
SLC
-
GEG
1 stop5h 48m
Frontier
Deal found 1/16$210
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
jue. 2/1912:22 pm
GEG
-
SLC
1 stop19h 22m
Multiple Airlines
jue. 2/2612:20 pm
SLC
-
GEG
2 stops9h 10m
Multiple Airlines
Deal found 1/14$213

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 enero 16, 2026.
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

Twin FallsSalt Lake City

TWF - SLC

TWFSLC

Twin Falls Joslin

mar. 4/21

11:47 am-12:45 pm

Nonstop0h 58m

Salt Lake City

mié. 4/29

9:45 am-10:43 am

Nonstop0h 58m

$179

Twin FallsSalt Lake City

TWF - SLC

TWFSLC

Twin Falls Joslin

dom. 5/24

11:47 am-12:45 pm

Nonstop0h 58m

Salt Lake City

dom. 5/31

9:45 am-10:43 am

Nonstop0h 58m

$179

Idaho FallsSalt Lake City

IDA - SLC

IDASLC

Idaho Falls Fanning Field

sáb. 2/14

5:25 am-6:52 am

Nonstop1h 27m

Salt Lake City

jue. 2/19

9:15 pm-10:21 pm

Nonstop1h 06m

$199

Twin FallsSalt Lake City

TWF - SLC

TWFSLC

Twin Falls Joslin

mié. 2/11

3:35 pm-4:33 pm

Nonstop0h 58m

Salt Lake City

mié. 2/18

9:45 pm-10:47 pm

Nonstop1h 02m

$219

Twin FallsSalt Lake City

TWF - SLC

TWFSLC

Twin Falls Joslin

mar. 2/10

6:00 am-6:57 am

Nonstop0h 57m

Salt Lake City

mar. 2/17

2:00 pm-2:59 pm

Nonstop0h 59m

$219

PocatelloSalt Lake City

PIH - SLC

PIHSLC

Pocatello

dom. 2/8

12:29 pm-1:31 pm

Nonstop1h 02m

Salt Lake City

mié. 2/18

10:45 am-11:47 am

Nonstop1h 02m

$229

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

vie. 2/6

12:07 pm-8:44 am

1 stop20h 37m

Salt Lake City

dom. 2/8

9:40 pm-11:12 am

1 stop13h 32m

$230

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

mié. 2/18

5:33 pm-11:05 pm

1 stop5h 32m

Saint George

mar. 2/24

5:13 am-9:48 am

1 stop4h 35m

$238

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

vie. 6/26

11:35 am-2:40 pm

1 stop3h 05m

Saint George

lun. 7/6

8:50 am-2:34 pm

1 stop5h 44m

$238

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

vie. 1/30

12:07 pm-8:44 am

1 stop20h 37m

Salt Lake City

dom. 2/1

9:40 pm-11:12 am

1 stop13h 32m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

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, April is the cheapest month in which you can book a flight from Idaho to Utah (average of $149). Flying from Idaho to Utah in May is currently the most expensive (average of $237). 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 enero 16, 2026.

It’s typically best to fly out from Idaho to Utah in the evening. Doing so could potentially save you 27% 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 January 10, 2026.

Travelers seeking maximum savings on their Idaho to Utah flight should consider departing on Thursday evenings 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 enero 16, 2026.

The most flights from USID to USUT are scheduled on a Wednesday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 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 enero 16, 2026.
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
11,721 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,721 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,258 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,051 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,164 reviews
Alaska Airlines
8.0
Very good
11,721 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 6 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 58m. Fly via Delta, Frontier, or United Airlines to get the fastest option. The distance between Idaho and Utah is about 174 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, April is the cheapest month in which you can book a flight from Idaho to Utah (average of $149). Flying from Idaho to Utah in May is currently the most expensive (average of $237). 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 4 airlines flying from Idaho to Utah

Discover the top 4 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 enero 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$138Average$347FlexibilityNo cancel feeOn-time75%
DeltaCheapest$149Average$357FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$202Average$414FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$223Average$278FlexibilityNo cancel feeOn-time69%

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