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

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

How long is the flight from Utah to Idaho?

Flight times from Utah to Idaho vary, but if you’re flying out of Salt Lake City and flying into Boise (one of the most popular routes), then the duration is 1h 14m on average. Another popular route from Utah to Idaho is flying from Saint George to Boise, which will take roughly 4h 02m. Keep in mind that layovers or delays could extend your travel time.

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

The number of flights available between Utah and Idaho is 98 per week as of December 2025. The most frequent departure day is Thu, with 51% of weekly flights leaving on this day.

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

As of December 2025, 14 flights take off from Utah and land in Idaho each day. The most common flight departure time for this route is 8:00PM, with 42% of daily flights taking off in the afternoon.

What airlines fly to Idaho?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Idaho from Utah according to our data. Delta is the first choice among our users, with 92% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 3 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Utah to Idaho were last updated today.

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

The number of operators available for flights from Utah to Idaho is 5 as of December 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Utah to Idaho.

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

The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$71 Cheap Flights from Utah to Idaho in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Utah to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 am - 1:25 pm

SLC

BOI

6h 35m1 stop

2:19 pm - 12:34 am

BOI

SLC

10h 15m1 stop

$138Frontier

Thu, Jan 15 - Mon, Jan 19

3:29 pm - 11:17 am

SLC

BOI

19h 48m1 stop

2:01 pm - 8:34 am

BOI

SLC

18h 33m1 stop

$160Frontier

Sun, Jan 11 - Sun, Jan 18

12:40 pm - 8:08 pm

SLC

GEG

8h 28m1 stop

12:03 pm - 8:40 am

GEG

SLC

19h 37m1 stop

$165Multiple Airlines

Thu, Jan 15 - Thu, Jan 22

12:40 pm - 8:08 pm

SLC

GEG

8h 28m1 stop

12:03 pm - 2:24 pm

GEG

SLC

25h 21m2 stops

$186Multiple Airlines

Thu, Jan 15 - Thu, Jan 22

9:15 pm - 10:19 pm

SLC

IDA

1h 04mnonstop

6:35 pm - 7:58 pm

IDA

SLC

1h 23mnonstop

$199Delta

Thu, Jan 15 - Thu, Jan 22

5:50 am - 10:24 am

SGU

BOI

4h 34m1 stop

1:00 pm - 6:32 pm

BOI

SGU

5h 32m1 stop

$210Delta

Tue, Jan 13 - Tue, Jan 20

2:45 pm - 7:45 pm

SGU

BOI

5h 00m1 stop

8:10 am - 2:08 pm

BOI

SGU

5h 58m1 stop

$219United Airlines

Tue, Jan 13 - Tue, Jan 20

5:10 am - 9:58 am

SGU

IDA

4h 48m1 stop

4:19 pm - 11:04 pm

IDA

SGU

6h 45m1 stop

$243United Airlines

Sat, Jan 3 - Mon, Jan 12

4:45 pm - 11:13 pm

SGU

GEG

7h 28m1 stop

12:46 pm - 9:37 pm

GEG

SGU

7h 51m1 stop

$298American Airlines

Thu, Jan 1 - Mon, Jan 5

4:31 pm - 11:38 pm

SGU

BOI

7h 07m1 stop

11:42 am - 4:01 pm

BOI

SGU

4h 19m1 stop

$409American Airlines

Wed, Mar 25 - Sat, Mar 28

Frontier flights from Utah to Idaho

Our best Frontier deals on Utah to Idaho flight tickets

Frontier

Jan 15

SLC6:50 amSalt Lake City

6h 35m

1 stop

BOI1:25 pmBoise Air Term. Gowen Fld

Jan 19

BOI2:19 pmBoise Air Term. Gowen Fld

10h 15m

1 stop

SLC12:34 amSalt Lake City

$138

Find similar

Frontier

Jan 11

SLC3:29 pmSalt Lake City

19h 48m

1 stop

BOI11:17 amBoise Air Term. Gowen Fld

Jan 18

BOI2:01 pmBoise Air Term. Gowen Fld

18h 33m

1 stop

SLC8:34 amSalt Lake City

$160

Find similar

Frontier

Jan 15

SLC6:50 amSalt Lake City

6h 35m

1 stop

BOI1:25 pmBoise Air Term. Gowen Fld

Jan 19

BOI2:19 pmBoise Air Term. Gowen Fld

22h 58m

2 stops

SLC1:17 pmSalt Lake City

$175

Find similar

Alaska Airlines flights from Utah to Idaho

Our best Alaska Airlines deals on Utah to Idaho flight tickets

Alaska Airlines

Jan 30

SLC7:00 amSalt Lake City

11h 22m

1 stop

BOI6:22 pmBoise Air Term. Gowen Fld

Feb 1

BOI3:43 pmBoise Air Term. Gowen Fld

8h 00m

1 stop

SLC11:43 pmSalt Lake City

$203

Find similar

Alaska Airlines

Jan 8

SLC6:28 pmSalt Lake City

4h 33m

1 stop

BOI11:01 pmBoise Air Term. Gowen Fld

Jan 11

BOI1:55 pmBoise Air Term. Gowen Fld

21h 22m

1 stop

SLC11:17 amSalt Lake City

$204

Find similar

Alaska Airlines

Jan 9

SLC8:20 amSalt Lake City

4h 18m

1 stop

GEG11:38 amSpokane

Jan 11

GEG12:10 pmSpokane

4h 24m

1 stop

SLC5:34 pmSalt Lake City

$211

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 1/15

6:50 am-1:25 pm

1 stop6h 35m

Boise Air Term. Gowen Fld

Mon 1/19

2:19 pm-12:34 am

1 stop10h 15m

$138

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sun 1/11

3:29 pm-11:17 am

1 stop19h 48m

Boise Air Term. Gowen Fld

Sun 1/18

2:01 pm-8:34 am

1 stop18h 33m

$160

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Thu 1/15

12:40 pm-8:08 pm

1 stop8h 28m

Spokane

Thu 1/22

12:03 pm-8:40 am

1 stop19h 37m

$165

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Thu 1/15

12:40 pm-8:08 pm

1 stop8h 28m

Spokane

Thu 1/22

12:03 pm-2:24 pm

2 stops25h 21m

$186

Salt Lake CityIdaho Falls

SLC - IDA

SLCIDA

Salt Lake City

Thu 1/15

9:15 pm-10:19 pm

Nonstop1h 04m

Idaho Falls Fanning Field

Thu 1/22

6:35 pm-7:58 pm

Nonstop1h 23m

$199

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Tue 1/13

5:50 am-10:24 am

1 stop4h 34m

Boise Air Term. Gowen Fld

Tue 1/20

1:00 pm-6:32 pm

1 stop5h 32m

$210

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Tue 1/13

2:45 pm-7:45 pm

1 stop5h 00m

Boise Air Term. Gowen Fld

Tue 1/20

8:10 am-2:08 pm

1 stop5h 58m

$219

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Sat 1/3

5:10 am-9:58 am

1 stop4h 48m

Idaho Falls Fanning Field

Mon 1/12

4:19 pm-11:04 pm

1 stop6h 45m

$243

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Thu 1/1

4:45 pm-11:13 pm

1 stop7h 28m

Spokane

Mon 1/5

12:46 pm-9:37 pm

1 stop7h 51m

$298

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 3/25

4:31 pm-11:38 pm

1 stop7h 07m

Boise Air Term. Gowen Fld

Sat 3/28

11:42 am-4:01 pm

1 stop4h 19m

$409

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 Utah to Idaho

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 Idaho?

In general, November is the cheapest month to fly from Utah to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $215. If you don’t want to visit Idaho in November, then you should wait until May to fly from Utah, when ticket prices are also cheap, with an average price of $319.

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

Our data shows that Friday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $329. On the other hand, Monday is the most expensive day to depart from Utah because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $479.

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

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Utah to Idaho at noon for as low as $132. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $429 per ticket.

What is the cheapest Utah to Idaho flight route?

Fly from Salt Lake City to Idaho Falls Fanning Field for the best Utah - Idaho flight prices

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

There are 4 cabin classes available to choose from on Utah to Idaho 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 Utah to Idaho flights?

You could potentially save up to 13% on your flight if you consider stops on a Utah to Idaho flight.

Cheap Utah to Idaho flight deals and tips

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

Best Price Found	$443
Fastest flight time	1h 04m
Direct flights	Every day
Airports in Idaho	27 airports

The best one-way flight to Idaho from Utah in the past 72 hours is $443. The best round-trip flight deal from Utah to Idaho found on momondo in the last 72 hours is $469.

The fastest flight from Utah to Idaho takes 1h 04m

Direct flights go from Utah to Idaho every day.

There are 27 airports in Idaho. From Utah there are direct flights to Idaho Falls Fanning Field (IDA), Spokane (GEG), Lewiston Nez Perce Rgnl (LWS), Jackson Hole (JAC) and 2 more.

Search flight deals

When did momondo last update prices for flights from Utah to Idaho?
Prices for flights from Utah to Idaho were last updated today.
How many operators does momondo search for flights from Utah to Idaho?
The number of operators available for flights from Utah to Idaho is 5 as of December 2025.
How old do you have to be to fly from Utah to Idaho?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Utah to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Utah to Idaho?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Utah to Idaho is Embraer 175 (Enhanced Winglets) (36.59% of total bookings). The next most popular plane models are Airbus A319 (22.76%), Boeing 737-800 (21.14%), and Airbus A220-300 (7.32%).

Best airlines flying from Utah to Idaho

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $199	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta flights
United Airlines	PriceFrom $223	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
American Airlines	PriceFrom $263	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Utah to Idaho. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Idaho from Utah with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Utah.

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

Yes. momondo can track prices for Utah to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Idaho trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 1/17

Sat 1/24

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Idaho

Popular cities in Idaho

Flights to New Yorkfrom $45

Flights to Los Angelesfrom $48

Flights to Miamifrom $49

Flights to Chicagofrom $58

Flights to Orlandofrom $40

Flights to San Franciscofrom $58

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $57

Flights to Bostonfrom $51

Flights to Atlantafrom $46

Flights to Dallasfrom $57

Flights to Seattlefrom $58

Cheap flights from Utah to Idaho from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Utah to Idaho departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Utah to Idaho

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Frontier flights from Utah to Idaho

Our best Frontier deals on Utah to Idaho flight tickets

Alaska Airlines flights from Utah to Idaho

Our best Alaska Airlines deals on Utah to Idaho flight tickets

momondo Fare Finder

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

See travel insights to Idaho from

How to get the cheapest flight ticket from Utah to Idaho

What is the cheapest month to fly to Idaho?

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

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

What is the cheapest Utah to Idaho flight route?

Fly from Salt Lake City to Idaho Falls Fanning Field for the best Utah - Idaho flight prices

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

There are 4 cabin classes available to choose from on Utah to Idaho 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 Utah to Idaho flights?

You could potentially save up to 13% on your flight if you consider stops on a Utah to Idaho flight.

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

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

What airlines fly to Idaho?

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

As of December 2025, 14 flights take off from Utah and land in Idaho each day. The most common flight departure time for this route is 8:00PM, with 42% of daily flights taking off in the afternoon.

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

The number of flights available between Utah and Idaho is 98 per week as of December 2025. The most frequent departure day is Thu, with 51% of weekly flights leaving on this day.

How long is the flight from Utah to Idaho?

Cheap Utah to Idaho flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho

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

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

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

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

What is the most popular plane model from Utah to Idaho?

Best airlines flying from Utah to Idaho

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

Why use momondo?

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

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

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

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

An easier way to manage your Idaho trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Idaho

Popular cities in Idaho

Popular flights according to clicks in the last 7 days on momondo