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$62+ Cheap flights from Salt Lake City (SLC) to Idaho

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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Cheap flight deals from Salt Lake City to Idaho

Keep the following information in mind while searching for Salt Lake City to Idaho flight deals. Data was last updated December 1, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$133
(Kiwi.com)

One-way from

$62
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$374

Good round-trip deal

$319 or less

Good one-way deal

$383 or less
Provider with most accurate pricing for Salt Lake City-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Salt Lake City-Boise Air Term. Gowen Fld flights.
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From Salt Lake City to Idaho
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One-way flight from Salt Lake City to Idaho
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Highest demand for flights based on searches. 9% potential increase in price ($39 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 December 2025
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Price to beat on a round-trip flight from Salt Lake City to Idaho.
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Price to beat on a one-way flight from Salt Lake City to Idaho.
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Find flight deals from Salt Lake City to Idaho

Cheapest flights from Salt Lake City to Idaho
Explore the most affordable flight options available from Salt Lake City to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

This Frontier deal was found by Cheapflights users on 11/29. 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.
Sun 12/287:20 amSLC - BOI
1 stop4h 23mFrontier
Sat 1/312:54 pmBOI - SLC
1 stop11h 13mFrontier
Deal found 11/29$164
This Expedia deal was found by Cheapflights users on 11/30. 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.
Sun 12/287:20 amSLC - GEG
1 stop4h 47mFrontier
Sun 1/412:02 pmGEG - SLC
1 stop19h 10mFrontier
Deal found 11/30$164
This Mytrip deal was found by Cheapflights users on 11/30. 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.
Wed 12/106:23 pmSLC - BOI
1 stop17h 26mFrontier
Sun 1/412:38 pmBOI - SLC
1 stop19h 34mFrontier
Deal found 11/30$172
This Mytrip deal was found by Cheapflights users on 11/29. 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.
Sat 12/278:58 pmSLC - BOI
1 stop14h 45mFrontier
Sat 1/312:54 pmBOI - SLC
1 stop11h 13mFrontier
Deal found 11/29$173
This Expedia deal was found by Cheapflights users on 11/30. 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.
Tue 12/308:36 amSLC - GEG
1 stop8h 17mMultiple Airlines
Tue 1/612:25 pmGEG - SLC
1 stop3h 57mMultiple Airlines
Deal found 11/30$185
This Orbitz deal was found by Cheapflights users on 12/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:30 amSLC - BOI
1 stop10h 36mAlaska Airlines
Tue 1/610:47 amBOI - SLC
1 stop12h 59mAlaska Airlines
Deal found 12/1$204
This Expedia deal was found by Cheapflights users on 11/29. 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.
Sat 12/205:39 pmSLC - GEG
1 stop18h 28mFrontier
Sun 1/412:02 pmGEG - SLC
1 stop19h 10mFrontier
Deal found 11/29$208
This Expedia deal was found by Cheapflights users on 11/29. 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.
Sun 12/77:20 amSLC - BOI
1 stop4h 29mFrontier
Sun 12/1412:44 pmBOI - SLC
1 stop20h 43mFrontier
Deal found 11/29$212
This Mytrip deal was found by Cheapflights users on 11/30. 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.
Sat 12/209:33 pmSLC - BOI
1 stop14h 10mFrontier
Thu 12/2512:38 pmBOI - SLC
1 stop19h 34mFrontier
Deal found 11/30$217
This Alaska Airlines deal was found by Cheapflights users on 11/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:30 amSLC - BOI
1 stop16h 56mAlaska Airlines
Mon 1/56:00 pmBOI - SLC
1 stop5h 46mAlaska Airlines
Deal found 11/29$223
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
Thu 12/116:32 pmSLC - BOI
1 stop17h 17mFrontier
Sun 12/1412:44 pmBOI - SLC
1 stop20h 43mFrontier
Deal found 11/29$225
This Kiwi.com deal was found by Cheapflights users on 11/29. 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.
Sun 12/142:38 pmSLC - BOI
1 stop25h 06mMultiple Airlines
Thu 12/1812:38 pmBOI - SLC
1 stop19h 34mMultiple Airlines
Deal found 11/29$228

Cheapflights Fare Finder

 
Customize your flight search to find flights from Salt Lake City to Idaho 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 December 1, 2025.
Use the filters below to find and compare flights from Salt Lake City to Idaho that are best for you.

Fly from

Salt Lake City

Fly to

Idaho

Route

Depart

Return

Price

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sun 12/28

7:20 am-11:43 am

1 stop4h 23m

Boise Air Term. Gowen Fld

Sat 1/3

12:54 pm-12:07 am

1 stop11h 13m

$164

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 1/8

12:17 pm-11:01 pm

1 stop10h 44m

Boise Air Term. Gowen Fld

Sun 1/11

9:02 am-5:34 pm

1 stop8h 32m

$185

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Thu 1/22

7:00 am-11:12 am

1 stop5h 12m

Spokane

Sun 1/25

9:05 am-5:34 pm

1 stop7h 29m

$185

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Fri 1/30

7:00 am-12:44 pm

1 stop6h 44m

Spokane

Mon 2/2

5:45 am-5:34 pm

1 stop10h 49m

$185

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Fri 1/30

7:00 am-12:44 pm

1 stop6h 44m

Spokane

Sun 2/1

7:30 am-8:58 pm

1 stop12h 28m

$185

Salt Lake CityIdaho Falls

SLC - IDA

SLCIDA

Salt Lake City

Sat 4/4

5:20 pm-6:22 pm

Nonstop1h 02m

Idaho Falls Fanning Field

Sat 4/11

6:59 pm-8:06 pm

Nonstop1h 07m

$199

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Tue 1/13

3:40 pm-11:59 pm

1 stop8h 19m

Boise Air Term. Gowen Fld

Sat 1/17

5:40 am-5:43 pm

1 stop12h 03m

$203

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sat 1/17

7:00 am-6:22 pm

1 stop11h 22m

Boise Air Term. Gowen Fld

Sun 1/18

7:59 pm-10:31 am

1 stop14h 32m

$203

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Thu 1/15

7:00 am-12:44 pm

1 stop6h 44m

Spokane

Tue 1/20

9:05 am-5:34 pm

1 stop7h 29m

$204

Salt Lake CityWest Yellowstone

SLC - WYS

SLCWYS

Salt Lake City

Sat 5/16

5:00 am-9:37 am

1 stop4h 37m

West Yellowstone

Sat 5/23

10:15 am-5:27 pm

1 stop7h 12m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Showing 1-10 of 60 results
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Best time to book a flight from Salt Lake City to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Salt Lake City 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 Salt Lake City to Idaho

What is the cheapest month to book a flight from Salt Lake City to Idaho?

Currently, September is the cheapest month in which you can book a flight from Salt Lake City to Idaho (average of $189). Flying from Salt Lake City to Idaho in July is currently the most expensive (average of $259). 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 SLC to ID?

Find hourly flight availability from Salt Lake City to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 1, 2025.

When flying from Salt Lake City to Idaho, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 45% versus a flight in the afternoon.

What is the cheapest day to fly from Salt Lake City to Idaho?

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Idaho. Price data was last updated on November 29, 2025.

Travelers seeking maximum savings on their Salt Lake City to Idaho flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated December 1, 2025.
See what other customers who have flown with Delta from Salt Lake City to Idaho have to say. 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.
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Salt Lake City to Idaho?

    For a flight from Salt Lake City to Idaho, you will be flying from Salt Lake City. Salt Lake City (SLC) is just 5.7 mi from the center of the city.

  • How long is the flight from Salt Lake City to Idaho?

    Departing from Salt Lake City to Idaho will take you 5h 12m. Airlines will cover a distance of 546 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Salt Lake City to Idaho one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $68. Delta flights start at $128 while deals on Alaska Airlines start at $141 one-way.

  • What are the most popular routes from Salt Lake City to Idaho?

    While some choose either Salt Lake City - Boise Air Term. Gowen Fld or Salt Lake City - Idaho Falls Fanning Field, Salt Lake City - Spokane is the most popular route from Salt Lake City to Idaho.

  • What are the most reliable airlines from Salt Lake City to Idaho?

    Before booking your flight to Idaho from Salt Lake City, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (96%), Delta (91%), Air France( 89%).

  • What are the cheapest flights from Salt Lake City to Idaho?

    Looking at all options, your cheapest flight can be booked for $319. While the most popular route (Salt Lake City - Spokane) can be booked for $185 on average, our data indicates $494 when flying from Salt Lake City to Idaho.

  • Can I find deals for flights from Salt Lake City to Idaho that include hotel bookings?

    Yes. In addition to deals on Salt Lake City to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Salt Lake City to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Salt Lake City to Idaho.

  • Can I find deals for business class flights from Salt Lake City to Idaho?

    Yes. Cheapflights offers flight deals from Salt Lake City to Idaho 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 Salt Lake City to Idaho?

    Currently, September is the cheapest month in which you can book a flight from Salt Lake City to Idaho (average of $189). Flying from Salt Lake City to Idaho in July is currently the most expensive (average of $259). 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.

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Alternative routes for Salt Lake City to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Salt Lake City to Idaho

Discover the top airline that operate flights from Salt Lake City to Idaho. 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$199Average$400FlexibilityNo cancel feeOn-timeN/A

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