What airlines fly to Utah?

Delta, Southwest and Alaska Airlines are the top three most popular airlines that fly to Utah from Idaho according to our data. Delta is the first choice among our users, with 93% of people opting to fly with this airline when traveling to Utah. Keep in mind that there are 3 different airlines that fly to Utah on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Idaho to Utah?

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from Idaho to Utah

How long is the flight from Idaho to Utah?

Average flight duration from Idaho to Utah depends on which airport you fly into and out of. Flying from Twin Falls to Salt Lake City is 57m on average, while flying from Idaho Falls to Salt Lake City is 1h 02m on average. Salt Lake City is the most popular airport in Utah.

How many flights depart from Idaho to Utah on average per day?

The number of flights available between Idaho and Utah is 21 per day as of December 2025. The most frequent departure time is 6:00AM, with 52% of daily flights leaving at noon.

How many flights depart from Idaho to Utah on average per week?

148 flights are operational weekly from Idaho to Utah as of December 2025. The most popular departure day for this route is Thu, with 36% of flights per week taking off on this day.

When did momondo last update prices for flights from Idaho to Utah?

Prices for flights from Idaho to Utah are updated daily.

How many operators does momondo search for flights from Idaho to Utah?

The number of operators available for flights from Idaho to Utah is 3 as of December 2025.

How old do you have to be to fly from Idaho to Utah?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Utah.

What documentation or ID do you need to fly to Utah?

The required travel and health documents for your Utah trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Utah. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$72 Cheap Flights from Idaho to Utah in 2025/26

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Find the cheapest flights from Idaho to Utah

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:19 pm - 8:34 am

BOI

SLC

18h 15m1 stop

6:31 pm - 11:12 am

SLC

BOI

16h 41m1 stop

$146Frontier

Thu, Jan 15 - Thu, Jan 22

9:46 pm - 3:04 pm

BOI

SLC

17h 18m1 stop

6:50 am - 1:25 pm

SLC

BOI

6h 35m1 stop

$148Multiple Airlines

Mon, Jan 5 - Thu, Jan 15

12:07 pm - 12:14 am

BOI

SLC

12h 07m1 stop

9:40 pm - 11:12 am

SLC

BOI

13h 32m1 stop

$165Frontier

Fri, Jan 23 - Sun, Jan 25

12:07 pm - 8:37 am

BOI

SLC

20h 30m1 stop

3:29 pm - 11:17 am

SLC

BOI

19h 48m1 stop

$183Frontier

Fri, Jan 9 - Sun, Jan 11

3:40 pm - 4:38 pm

TWF

SLC

0h 58mnonstop

9:45 pm - 10:49 pm

SLC

TWF

1h 04mnonstop

$189Delta

Thu, Jan 15 - Wed, Jan 21

12:29 pm - 1:31 pm

PIH

SLC

1h 02mnonstop

10:45 am - 11:49 am

SLC

PIH

1h 04mnonstop

$199Delta

Wed, Jan 14 - Wed, Jan 21

5:55 pm - 11:43 pm

BOI

SLC

5h 48m1 stop

7:00 am - 12:51 pm

SLC

BOI

5h 51m1 stop

$203Alaska Airlines

Fri, Jan 23 - Fri, Jan 30

10:47 am - 11:46 pm

BOI

SLC

12h 59m1 stop

12:17 pm - 11:59 pm

SLC

BOI

11h 42m1 stop

$204Alaska Airlines

Tue, Jan 6 - Tue, Jan 13

7:00 am - 2:08 pm

SUN

SGU

7h 08m1 stop

1:47 pm - 9:19 pm

SGU

SUN

7h 32m1 stop

$216United Airlines

Wed, Feb 11 - Fri, Feb 20

10:15 am - 4:05 pm

BOI

SGU

5h 50m1 stop

12:07 pm - 7:51 pm

SGU

BOI

7h 44m1 stop

$219United Airlines

Thu, Jan 15 - Thu, Jan 22

Delta flights from Idaho to Utah

Our best Delta deals on Idaho to Utah flight tickets

Delta

Jan 15

TWF3:40 pmTwin Falls Joslin

0h 58m

SLC4:38 pmSalt Lake City

Jan 21

SLC9:45 pmSalt Lake City

1h 04m

TWF10:49 pmTwin Falls Joslin

$189

Find similar

Delta

Feb 10

SUN7:25 amHailey Sun Valley-Friedman

3h 24m

1 stop

SGU10:49 amSaint George

Feb 20

SGU8:50 amSaint George

5h 50m

1 stop

SUN2:40 pmHailey Sun Valley-Friedman

$200

Find similar

Delta

Feb 12

SUN7:25 amHailey Sun Valley-Friedman

3h 22m

1 stop

SGU10:47 amSaint George

Feb 21

SGU5:50 amSaint George

7h 11m

2 stops

SUN1:01 pmHailey Sun Valley-Friedman

$206

Find similar

Frontier flights from Idaho to Utah

Our best Frontier deals on Idaho to Utah flight tickets

Frontier

Jan 15

BOI2:19 pmBoise Air Term. Gowen Fld

18h 15m

1 stop

SLC8:34 amSalt Lake City

Jan 22

SLC6:31 pmSalt Lake City

16h 41m

1 stop

BOI11:12 amBoise Air Term. Gowen Fld

$146

Find similar

Frontier

Jan 23

BOI12:07 pmBoise Air Term. Gowen Fld

12h 07m

1 stop

SLC12:14 amSalt Lake City

Jan 25

SLC9:40 pmSalt Lake City

13h 32m

1 stop

BOI11:12 amBoise Air Term. Gowen Fld

$165

Find similar

Frontier

Jan 9

BOI12:07 pmBoise Air Term. Gowen Fld

20h 30m

1 stop

SLC8:37 amSalt Lake City

Jan 11

SLC3:29 pmSalt Lake City

19h 48m

1 stop

BOI11:17 amBoise Air Term. Gowen Fld

$183

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Thu 1/15

2:19 pm-8:34 am

1 stop18h 15m

Salt Lake City

Thu 1/22

6:31 pm-11:12 am

1 stop16h 41m

$146

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Mon 1/5

9:46 pm-3:04 pm

1 stop17h 18m

Salt Lake City

Thu 1/15

6:50 am-1:25 pm

1 stop6h 35m

$148

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Fri 1/23

12:07 pm-12:14 am

1 stop12h 07m

Salt Lake City

Sun 1/25

9:40 pm-11:12 am

1 stop13h 32m

$165

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Fri 1/9

12:07 pm-8:37 am

1 stop20h 30m

Salt Lake City

Sun 1/11

3:29 pm-11:17 am

1 stop19h 48m

$183

Twin FallsSalt Lake City

TWF - SLC

TWFSLC

Twin Falls Joslin

Thu 1/15

3:40 pm-4:38 pm

Nonstop0h 58m

Salt Lake City

Wed 1/21

9:45 pm-10:49 pm

Nonstop1h 04m

$189

PocatelloSalt Lake City

PIH - SLC

PIHSLC

Pocatello

Wed 1/14

12:29 pm-1:31 pm

Nonstop1h 02m

Salt Lake City

Wed 1/21

10:45 am-11:49 am

Nonstop1h 04m

$199

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Fri 1/23

5:55 pm-11:43 pm

1 stop5h 48m

Salt Lake City

Fri 1/30

7:00 am-12:51 pm

1 stop5h 51m

$203

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Tue 1/6

10:47 am-11:46 pm

1 stop12h 59m

Salt Lake City

Tue 1/13

12:17 pm-11:59 pm

1 stop11h 42m

$204

HaileySaint George

SUN - SGU

SUNSGU

Hailey Sun Valley-Friedman

Wed 2/11

7:00 am-2:08 pm

1 stop7h 08m

Saint George

Fri 2/20

1:47 pm-9:19 pm

1 stop7h 32m

$216

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Thu 1/15

10:15 am-4:05 pm

1 stop5h 50m

Saint George

Thu 1/22

12:07 pm-7:51 pm

1 stop7h 44m

$219

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Utah

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Utah?

The cheapest month to fly to Utah from Idaho is in August. Flight prices, which tend to average around $269, are often lower during this time because this is during the off-season. If you aren’t able to travel to Utah during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $279.

What is the cheapest day to depart on your flight to Utah?

The cheapest day to depart on your flight to Utah is on a Friday when prices can be found for as low as $389. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Utah is Sunday, with ticket prices averaging around $478.

What is the cheapest time of day to depart on your flight to Utah?

Our data shows that the cheapest Idaho to Utah flights are usually those with departure times in the afternoon. Our users have found flights to Utah in the afternoon for as low as $341. Flights to Utah are more costly at noon, with an average ticket price of $569. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Idaho to Utah flight route?

Fly from Boise Air Term. Gowen Fld to Salt Lake City for the best Idaho - Utah flight prices

How far in advance should I book a flight to Utah?

You are more likely to see cheaper flights to Utah from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Utah for around $363 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Utah from Idaho for as low as $271 on momondo.

What cabin class options are available on Idaho to Utah flights?

There are 4 cabin classes available to choose from on Idaho to Utah flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to Utah flights?

You could potentially save up to 33% on your flight if you consider stops on a Idaho to Utah flight.

Cheap Idaho to Utah flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Utah

Best Price Found	$214
Fastest flight time	0h 57m
Direct flights	Every day
Airports in Utah	51 airports

The best one-way flight to Utah from Idaho in the past 72 hours is $214. The best round-trip flight deal from Idaho to Utah found on momondo in the last 72 hours is $336.

The fastest flight from Idaho to Utah takes 0h 57m

Direct flights go from Idaho to Utah every day.

There are 51 airports in Utah. From Idaho there are direct flights to Salt Lake City (SLC).

Search flight deals

When did momondo last update prices for flights from Idaho to Utah?
Prices for flights from Idaho to Utah are updated daily.
How many operators does momondo search for flights from Idaho to Utah?
The number of operators available for flights from Idaho to Utah is 3 as of December 2025.
How old do you have to be to fly from Idaho to Utah?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Utah.
What documentation or ID do you need to fly to Utah?
The required travel and health documents for your Utah trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Utah. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Idaho to Utah?
momondo data reveals that the most frequently booked plane model on the route from Idaho to Utah is Embraer 175 (Enhanced Winglets), representing 22.74% of all bookings. The subsequent popular models are Airbus A319 at 15.23%, Airbus A220-100 at 14.85%, and Boeing 737-800 at 13.35%.

Best airlines flying from Idaho to Utah

Compare and see reviews for airlines that fly from Idaho to Utah with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $138	Free Cancellation	Rating 8.0 11,477 reviews	Search Alaska Airlines flights
Delta	PriceFrom $149	Free Cancellation	Rating 7.9 8,006 reviews	Search Delta flights
Southwest	PriceFrom $202	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Utah?

It is quick and easy to find Idaho to Utah flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Utah that suits you.

Can I find flights from Idaho to Utah with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Idaho to Utah flights to just show those with flexible booking policies.

How can momondo help me find flights from Idaho to Utah?

momondo provides multiple filters to help you find the best flight to Utah from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Idaho to Utah right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho to Utah flights. All you need is a valid email address and we will do the rest; it is that quick and easy.