What airlines fly to Idaho?

Delta, Spirit Airlines and United 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.

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

As of July 2025, 47 flights take off from Utah and land in Idaho each day. The most common flight departure time for this route is 8:00PM, with 45% of daily flights taking off in the evening.

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

Spirit Airlines, Frontier, and Southwest 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 10m on average. Another popular route from Utah to Idaho is flying from Saint George to Boise, which will take roughly 3h 11m. 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 329 per week as of July 2025. The most frequent departure day is Wed, with 18% of weekly flights leaving on this day.

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 6 as of July 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.

$58 Cheap Flights from Utah to Idaho in 2025

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Find the cheapest flights from Utah to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

9:29 am - 8:31 pmSLC-BOI

11h 02m1 stop

9:26 pm - 8:34 amBOI-SLC

11h 08m1 stop

$144Spirit Airlines

Find Deal

vie., sep. 19 - lun., sep. 22

9:29 am - 8:31 pmSLC-BOI

11h 02m1 stop

9:26 pm - 8:34 amBOI-SLC

11h 08m1 stop

$148Spirit Airlines

Find Deal

vie., sep. 19 - lun., sep. 22

3:34 pm - 8:16 pmSLC-GEG

5h 42m1 stop

9:06 pm - 7:50 pmGEG-SLC

21h 44m2 stops

$175

Find Deal

jue., sep. 11 - dom., sep. 14

6:45 am - 11:37 amSLC-BOI

4h 52m1 stop

12:22 pm - 12:14 amBOI-SLC

11h 52m1 stop

$198Frontier

Find Deal

jue., sep. 18 - vie., sep. 19

3:34 pm - 8:21 pmSLC-BOI

4h 47m1 stop

6:37 pm - 2:29 pmBOI-SLC

19h 52m2 stops

$213

Find Deal

vie., sep. 19 - lun., sep. 22

8:45 am - 10:58 amSLC-GEG

27h 13m1 stop

11:53 am - 12:14 amGEG-SLC

11h 21m1 stop

$215Frontier

Find Deal

mié., oct. 1 - dom., oct. 5

6:02 am - 9:45 amSGU-BOI

3h 43m1 stop

6:00 pm - 9:50 pmBOI-SGU

3h 50m1 stop

$218Delta

Find Deal

mié., ago. 27 - sáb., ago. 30

8:55 pm - 9:56 pmSLC-SUN

1h 01mnonstop

12:37 pm - 1:43 pmSUN-SLC

1h 06mnonstop

$219Delta

Find Deal

jue., sep. 4 - sáb., sep. 6

11:30 am - 3:55 pmSGU-BOI

4h 25m1 stop

5:42 pm - 10:57 pmBOI-SGU

5h 15m1 stop

$228United Airlines

Find Deal

mié., ago. 13 - dom., ago. 17

1:48 pm - 9:03 pmSGU-GEG

8h 15m1 stop

5:15 am - 1:09 pmGEG-SGU

6h 54m1 stop

$248United Airlines

Find Deal

jue., ago. 14 - lun., ago. 18

United Airlines flights from Utah to Idaho

Our best United Airlines deals on Utah to Idaho flight tickets

United Airlines

Aug 13

SGU11:30 amSaint George

4h 25m

1 stop

BOI3:55 pmBoise Air Term. Gowen Fld

Aug 17

BOI5:42 pmBoise Air Term. Gowen Fld

5h 15m

1 stop

SGU10:57 pmSaint George

$228

Find similar

United Airlines

Aug 14

SGU1:48 pmSaint George

8h 15m

1 stop

GEG9:03 pmSpokane

Aug 18

GEG5:15 amSpokane

6h 54m

1 stop

SGU1:09 pmSaint George

$248

Find similar

United Airlines

Oct 23

SGU5:30 pmSaint George

5h 19m

1 stop

IDA10:49 pmIdaho Falls Fanning Field

Oct 26

IDA5:00 amIdaho Falls Fanning Field

5h 07m

1 stop

SGU10:07 amSaint George

$278

Find similar

Spirit Airlines flights from Utah to Idaho

Our best Spirit Airlines deals on Utah to Idaho flight tickets

Spirit Airlines

Sep 19

SLC9:29 amSalt Lake City

11h 02m

1 stop

BOI8:31 pmBoise Air Term. Gowen Fld

Sep 22

BOI9:26 pmBoise Air Term. Gowen Fld

11h 08m

1 stop

SLC8:34 amSalt Lake City

$144

Find similar

Spirit Airlines

Sep 19

SLC9:29 amSalt Lake City

11h 02m

1 stop

BOI8:31 pmBoise Air Term. Gowen Fld

Sep 22

BOI9:26 pmBoise Air Term. Gowen Fld

11h 08m

1 stop

SLC8:34 amSalt Lake City

$148

Find similar

Spirit Airlines

Sep 18

SLC7:35 pmSalt Lake City

24h 46m

1 stop

BOI8:21 pmBoise Air Term. Gowen Fld

Sep 22

BOI9:16 pmBoise Air Term. Gowen Fld

17h 13m

1 stop

SLC2:29 pmSalt Lake City

$149

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

vie. 9/19

9:29 am-8:31 pm

1 stop11h 02m

Boise Air Term. Gowen Fld

lun. 9/22

9:26 pm-8:34 am

1 stop11h 08m

$144

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

vie. 9/19

9:29 am-8:31 pm

1 stop11h 02m

Boise Air Term. Gowen Fld

lun. 9/22

9:26 pm-8:34 am

1 stop11h 08m

$148

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

jue. 9/11

3:34 pm-8:16 pm

1 stop5h 42m

Spokane

dom. 9/14

9:06 pm-7:50 pm

2 stops21h 44m

$175

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

jue. 9/18

6:45 am-11:37 am

1 stop4h 52m

Boise Air Term. Gowen Fld

vie. 9/19

12:22 pm-12:14 am

1 stop11h 52m

$198

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

vie. 9/19

3:34 pm-8:21 pm

1 stop4h 47m

Boise Air Term. Gowen Fld

lun. 9/22

6:37 pm-2:29 pm

2 stops19h 52m

$213

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

mié. 10/1

8:45 am-10:58 am

1 stop27h 13m

Spokane

dom. 10/5

11:53 am-12:14 am

1 stop11h 21m

$215

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

mié. 8/27

6:02 am-9:45 am

1 stop3h 43m

Boise Air Term. Gowen Fld

sáb. 8/30

6:00 pm-9:50 pm

1 stop3h 50m

$218

Salt Lake CityHailey

SLC - SUN

SLCSUN

Salt Lake City

jue. 9/4

8:55 pm-9:56 pm

Nonstop1h 01m

Hailey Sun Valley-Friedman

sáb. 9/6

12:37 pm-1:43 pm

Nonstop1h 06m

$219

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

mié. 8/13

11:30 am-3:55 pm

1 stop4h 25m

Boise Air Term. Gowen Fld

dom. 8/17

5:42 pm-10:57 pm

1 stop5h 15m

$228

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

jue. 8/14

1:48 pm-9:03 pm

1 stop8h 15m

Spokane

lun. 8/18

5:15 am-1:09 pm

1 stop6h 54m

$248

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, October 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 $299. If you don’t want to visit Idaho in October, 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 Saturday 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, Sunday 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 $490.

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 $409 per ticket.

What is the cheapest Utah to Idaho flight route?

Fly from Salt Lake City to Twin Falls Joslin 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 17% 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	$58
Fastest flight time	0h 55m
Direct flights	Every day
Airports in Idaho	7 airports

The best one-way flight to Idaho from Utah in the past 72 hours is $58. The best round-trip flight deal from Utah to Idaho found on momondo in the last 72 hours is $144.

The fastest flight from Utah to Idaho takes 0h 55m

Direct flights go from Utah to Idaho every day.

There are 7 airports near Idaho: West Yellowstone (WYS), Idaho Falls Fanning Field (IDA), Spokane (GEG), Lewiston Nez Perce Rgnl (LWS), Boise Air Term. Gowen Fld (BOI), Hailey Sun Valley-Friedman (SUN), Jackson Hole (JAC)

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 6 as of July 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) (32.64% of total bookings). The next most popular plane models are Airbus A220-100 (22.22%), Boeing 737-800 (13.89%), and Airbus A320-100/200 (13.89%).

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
Spirit Airlines	PriceFrom $113	Free Cancellation	Rating 6.3 8,048 reviews	Search Spirit Airlines flights
Delta	PriceFrom $173	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $223	Free Cancellation	Rating 7.4 8,900 reviews	Search United 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.

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Find better results for your trip to Idaho

Popular cities in Idaho

Flights to New Yorkfrom $39

Flights to Los Angelesfrom $37

Flights to Miamifrom $58

Flights to Chicagofrom $59

Flights to Orlandofrom $54

Flights to Las Vegasfrom $35

Flights to San Franciscofrom $49

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

Flights to Atlantafrom $29

Flights to Dallasfrom $55

Flights to Seattlefrom $93

Cheap flights from Utah to Idaho from $58

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 9/8. 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

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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

United Airlines flights from Utah to Idaho

Our best United Airlines deals on Utah to Idaho flight tickets

Spirit Airlines flights from Utah to Idaho

Our best Spirit Airlines deals on Utah to Idaho flight tickets

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

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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

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 Twin Falls Joslin 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 17% on your flight if you consider stops on a Utah to Idaho flight.

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

Spirit Airlines, Frontier, and Southwest 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 July 2025, 47 flights take off from Utah and land in Idaho each day. The most common flight departure time for this route is 8:00PM, with 45% of daily flights taking off in the evening.

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

The number of flights available between Utah and Idaho is 329 per week as of July 2025. The most frequent departure day is Wed, with 18% 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