What is the cheapest airline that flies from Salt Lake City to Idaho?

Spirit Airlines, Frontier, and Alaska Airlines are the most popular carriers operating from Salt Lake City to Idaho

How many flights depart from Salt Lake City to Idaho on average per day?

As of August 2025, 46 flights take off from Salt Lake City 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 Salt Lake City to Idaho on average per week?

The number of flights available between Salt Lake City and Idaho is 326 per week as of August 2025. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.

When did momondo last update prices for flights from Salt Lake City Airport to Idaho?

Prices for flights from Salt Lake City Airport to Idaho refresh daily.

How many operators does momondo search for flights from Salt Lake City Airport to Idaho?

There are 5 operators available for flights from Salt Lake City Airport to Idaho as of August 2025.

How old do you have to be to fly from Salt Lake City Airport 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 Salt Lake City Airport to Idaho.

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

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$53 Cheap Flights from Salt Lake City to Idaho in 2025

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 Salt Lake City 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

$122Spirit Airlines

Find Deal

lun., sep. 15 - lun., sep. 22

9:29 am - 8:31 pmSLC-BOI

11h 02m1 stop

9:26 pm - 8:34 amBOI-SLC

11h 08m1 stop

$125Spirit Airlines

Find Deal

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

9:29 am - 8:31 pmSLC-BOI

11h 02m1 stop

2:16 pm - 10:42 amBOI-SLC

20h 26m1 stop

$140

Find Deal

vie., sep. 19 - dom., sep. 21

9:45 pm - 11:37 amSLC-BOI

13h 52m1 stop

2:16 pm - 8:34 amBOI-SLC

18h 18m1 stop

$152

Find Deal

jue., sep. 18 - dom., sep. 21

6:45 am - 10:58 amSLC-GEG

5h 13m1 stop

11:53 am - 12:14 amGEG-SLC

11h 21m1 stop

$164Frontier

Find Deal

jue., sep. 4 - jue., sep. 11

9:58 pm - 10:58 amSLC-GEG

14h 00m1 stop

11:53 am - 7:32 amGEG-SLC

18h 39m1 stop

$172Frontier

Find Deal

sáb., sep. 6 - jue., sep. 11

1:40 pm - 2:50 pmSLC-WYS

1h 10mnonstop

11:25 am - 12:36 pmWYS-SLC

1h 11mnonstop

$188Delta

Find Deal

mié., sep. 3 - dom., sep. 7

11:05 pm - 12:15 amSLC-BOI

1h 10mnonstop

5:43 pm - 7:00 pmBOI-SLC

1h 17mnonstop

$199Delta

Find Deal

vie., sep. 19 - dom., sep. 21

7:44 pm - 12:27 amSLC-GEG

5h 43m1 stop

1:31 pm - 6:49 pmGEG-SLC

4h 18m1 stop

$221Hawaiian Airlines

Find Deal

sáb., oct. 4 - sáb., oct. 11

7:44 pm - 12:27 amSLC-GEG

5h 43m1 stop

1:31 pm - 6:49 pmGEG-SLC

4h 18m1 stop

$238Hawaiian Airlines

Find Deal

mar., oct. 7 - sáb., oct. 11

Alaska Airlines flights from Salt Lake City to Idaho

Our best Alaska Airlines deals on Salt Lake City to Idaho flight tickets

Alaska Airlines

Sep 16

SLC7:48 pmSalt Lake City

13h 32m

1 stop

BOI9:20 amBoise Air Term. Gowen Fld

Sep 23

BOI6:00 amBoise Air Term. Gowen Fld

4h 01m

1 stop

SLC10:01 amSalt Lake City

$262

Find similar

Alaska Airlines

Sep 17

SLC3:29 pmSalt Lake City

8h 39m

1 stop

BOI12:08 amBoise Air Term. Gowen Fld

Sep 24

BOI6:00 amBoise Air Term. Gowen Fld

8h 45m

1 stop

SLC2:45 pmSalt Lake City

$272

Find similar

Alaska Airlines

Sep 22

SLC11:14 amSalt Lake City

6h 37m

1 stop

GEG4:51 pmSpokane

Sep 24

GEG5:45 pmSpokane

4h 29m

1 stop

SLC11:14 pmSalt Lake City

$276

Find similar

Spirit Airlines flights from Salt Lake City to Idaho

Our best Spirit Airlines deals on Salt Lake City to Idaho flight tickets

Spirit Airlines

Sep 15

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

$122

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

$125

Find similar

Spirit Airlines

Sep 17

SLC9:29 amSalt Lake City

27h 52m

1 stop

BOI1:21 pmBoise Air Term. Gowen Fld

Sep 21

BOI2:16 pmBoise Air Term. Gowen Fld

18h 18m

1 stop

SLC8:34 amSalt Lake City

$133

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

lun. 9/15

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

$122

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

$125

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

dom. 9/21

2:16 pm-10:42 am

1 stop20h 26m

$140

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

jue. 9/18

9:45 pm-11:37 am

1 stop13h 52m

Boise Air Term. Gowen Fld

dom. 9/21

2:16 pm-8:34 am

1 stop18h 18m

$152

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

jue. 9/4

6:45 am-10:58 am

1 stop5h 13m

Spokane

jue. 9/11

11:53 am-12:14 am

1 stop11h 21m

$164

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

sáb. 9/6

9:58 pm-10:58 am

1 stop14h 00m

Spokane

jue. 9/11

11:53 am-7:32 am

1 stop18h 39m

$172

Salt Lake CityWest Yellowstone

SLC - WYS

SLCWYS

Salt Lake City

mié. 9/3

1:40 pm-2:50 pm

Nonstop1h 10m

West Yellowstone

dom. 9/7

11:25 am-12:36 pm

Nonstop1h 11m

$188

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

vie. 9/19

11:05 pm-12:15 am

Nonstop1h 10m

Boise Air Term. Gowen Fld

dom. 9/21

5:43 pm-7:00 pm

Nonstop1h 17m

$199

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

sáb. 10/4

7:44 pm-12:27 am

1 stop5h 43m

Spokane

sáb. 10/11

1:31 pm-6:49 pm

1 stop4h 18m

$221

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

mar. 10/7

7:44 pm-12:27 am

1 stop5h 43m

Spokane

sáb. 10/11

1:31 pm-6:49 pm

1 stop4h 18m

$238

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 Salt Lake City 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 Salt Lake City 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 Salt Lake City, 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 Salt Lake City 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 Salt Lake City 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 $374 per ticket.

What is the cheapest Salt Lake City to Idaho flight route?

Fly from Salt Lake City to Twin Falls Joslin for the best Salt Lake City - Idaho flight prices

What cabin class options are available on Salt Lake City to Idaho flights?

There are 4 cabin classes available to choose from on Salt Lake City 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 Salt Lake City to Idaho flights?

You could potentially save up to 50% on your flight if you consider stops on a Salt Lake City to Idaho flight.

Cheap Salt Lake City to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Salt Lake City to Idaho

Best Price Found	$308
Fastest flight time	0h 55m
Direct flights	Every day
Airports in Idaho	7 airports

The best one-way flight to Idaho from Salt Lake City in the past 72 hours is $308. The best round-trip flight deal from Salt Lake City to Idaho found on momondo in the last 72 hours is $289.

The fastest flight from Salt Lake City to Idaho takes 0h 55m

Direct flights go from Salt Lake City to Idaho every day.

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

Search flight deals

When did momondo last update prices for flights from Salt Lake City Airport to Idaho?
Prices for flights from Salt Lake City Airport to Idaho refresh daily.
How many operators does momondo search for flights from Salt Lake City Airport to Idaho?
There are 5 operators available for flights from Salt Lake City Airport to Idaho as of August 2025.
How old do you have to be to fly from Salt Lake City Airport 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 Salt Lake City Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Salt Lake City to Idaho?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Salt Lake City to Idaho is Embraer 175 (Enhanced Winglets) (34.55% of total bookings). The next most popular plane models are Airbus A220-100 (22.42%), Airbus A320-100/200 (15.15%), and Boeing 737-800 (12.12%).

Best airlines flying from Salt Lake City to Idaho

Compare and see reviews for airlines that fly from Salt Lake City to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $154	Free Cancellation	Rating 6.3 8,039 reviews		Search Spirit Airlines flights
Delta	PriceFrom $173	Free Cancellation	Rating 7.9 7,982 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Salt Lake City to Idaho?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho from Salt Lake City.

Can I find flights from Salt Lake City to Idaho with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Idaho from Salt Lake City with this policy.

How can momondo help me find flights from Salt Lake City 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 Salt Lake City.

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

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

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

lun. 8/25

lun. 9/1

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 $47

Flights to Los Angelesfrom $47

Flights to Miamifrom $63

Flights to Chicagofrom $45

Flights to Orlandofrom $47

Flights to Las Vegasfrom $25

Flights to San Franciscofrom $54

Flights to Washington, D.C.from $52

Flights to Bostonfrom $47

Flights to Atlantafrom $47

Flights to Dallasfrom $53

Flights to Seattlefrom $75

Cheap flights from Salt Lake City to Idaho from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Salt Lake City to Idaho departing on 9/19. 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 Salt Lake City to Idaho

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Alaska Airlines flights from Salt Lake City to Idaho

Our best Alaska Airlines deals on Salt Lake City to Idaho flight tickets

Spirit Airlines flights from Salt Lake City to Idaho

Our best Spirit Airlines deals on Salt Lake City to Idaho flight tickets

momondo Fare Finder

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

See travel insights to Idaho from

How to get the cheapest flight ticket from Salt Lake City 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 Salt Lake City to Idaho flight route?

Fly from Salt Lake City to Twin Falls Joslin for the best Salt Lake City - Idaho flight prices

What cabin class options are available on Salt Lake City to Idaho flights?

There are 4 cabin classes available to choose from on Salt Lake City 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 Salt Lake City to Idaho flights?

You could potentially save up to 50% on your flight if you consider stops on a Salt Lake City to Idaho flight.

What is the cheapest airline that flies from Salt Lake City to Idaho?

Spirit Airlines, Frontier, and Alaska Airlines are the most popular carriers operating from Salt Lake City to Idaho

How many flights depart from Salt Lake City to Idaho on average per day?

As of August 2025, 46 flights take off from Salt Lake City 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 Salt Lake City to Idaho on average per week?

The number of flights available between Salt Lake City and Idaho is 326 per week as of August 2025. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.

Cheap Salt Lake City to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Salt Lake City to Idaho

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho

When did momondo last update prices for flights from Salt Lake City Airport to Idaho?

How many operators does momondo search for flights from Salt Lake City Airport to Idaho?

How old do you have to be to fly from Salt Lake City Airport to Idaho?

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

What is the most popular plane model from Salt Lake City to Idaho?

Best airlines flying from Salt Lake City to Idaho

Compare and see reviews for airlines that fly from Salt Lake City to Idaho with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Salt Lake City to Idaho?

Can I find flights from Salt Lake City to Idaho with flexible booking policies on momondo?

How can momondo help me find flights from Salt Lake City to Idaho?

I’m not ready to book a flight from Salt Lake City 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