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Idaho

$81+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$173
(Kiwi.com)

One-way from

$81
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$459

Good round-trip deal

$299 or less

Good one-way deal

$198 or less
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. 8% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/21:33 pmSLC - GEG
1 stop7h 45mMultiple Airlines
Sun 10/59:08 pmGEG - SLC
1 stop21h 20mMultiple Airlines
Deal found 9/13$173
This Frontier deal was found by Cheapflights users on 9/12. 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.
Thu 10/166:30 amSLC - BOI
1 stop5h 13mFrontier
Sun 10/1912:28 pmBOI - SLC
1 stop19h 04mFrontier
Deal found 9/12$182
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:50 amSLC - BOI
Nonstop1h 25mDelta
Tue 1/61:10 pmBOI - SLC
Nonstop1h 20mDelta
Deal found 9/12$199
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Wed 10/228:32 amSLC - GEG
1 stop27h 36mFrontier
Sun 10/2611:53 amGEG - SLC
1 stop21h 20mFrontier
Deal found 9/11$209
This Frontier deal was found by Cheapflights users on 9/11. 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.
Thu 9/186:45 amSLC - BOI
1 stop4h 52mFrontier
Thu 9/2512:22 pmBOI - SLC
1 stop11h 52mFrontier
Deal found 9/11$214
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/246:30 amSLC - BOI
1 stop5h 13mFrontier
Sun 10/2612:28 pmBOI - SLC
1 stop19h 04mFrontier
Deal found 9/13$227
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:05 amSLC - BOI
Nonstop1h 12mDelta
Sun 10/1911:12 amBOI - SLC
Nonstop1h 13mDelta
Deal found 9/14$229
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:30 pmSLC - IDA
Nonstop1h 00mDelta
Sat 10/186:00 amIDA - SLC
Nonstop1h 03mDelta
Deal found 9/13$229
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Wed 9/246:05 pmSLC - GEG
1 stop27h 11mMultiple Airlines
Sun 9/289:06 pmGEG - SLC
1 stop19h 46mMultiple Airlines
Deal found 9/11$231
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:30 pmSLC - JAC
Nonstop0h 59mDelta
Mon 10/277:30 amJAC - SLC
Nonstop1h 10mDelta
Deal found 9/14$239
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1010:47 pmSLC - BOI
Nonstop1h 12mDelta
Sun 10/126:00 amBOI - SLC
Nonstop1h 14mDelta
Deal found 9/12$249
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:15 amSLC - GEG
1 stop5h 05mSouthwest
Tue 11/116:35 amGEG - SLC
1 stop7h 45mSouthwest
Deal found 9/12$252

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 September 15, 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 CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Thu 10/2

1:33 pm-8:18 pm

1 stop7h 45m

Spokane

Sun 10/5

9:08 pm-7:28 pm

1 stop21h 20m

$173

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 10/24

10:47 pm-11:59 pm

Nonstop1h 12m

Boise Air Term. Gowen Fld

Sun 10/26

11:12 am-12:25 pm

Nonstop1h 13m

$199

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 10/16

9:05 am-10:17 am

Nonstop1h 12m

Boise Air Term. Gowen Fld

Mon 10/20

5:55 pm-7:11 pm

Nonstop1h 16m

$199

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 9/18

6:45 am-11:37 am

1 stop4h 52m

Boise Air Term. Gowen Fld

Thu 9/25

12:22 pm-12:14 am

1 stop11h 52m

$214

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 10/24

6:30 am-11:43 am

1 stop5h 13m

Boise Air Term. Gowen Fld

Sun 10/26

12:28 pm-7:32 am

1 stop19h 04m

$227

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sun 10/12

9:05 am-10:17 am

Nonstop1h 12m

Boise Air Term. Gowen Fld

Sun 10/19

6:00 am-7:14 am

Nonstop1h 14m

$229

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sat 10/11

5:55 pm-7:07 pm

Nonstop1h 12m

Boise Air Term. Gowen Fld

Sat 10/18

1:00 pm-2:12 pm

Nonstop1h 12m

$229

Salt Lake CityIdaho Falls

SLC - IDA

SLCIDA

Salt Lake City

Sat 10/11

9:30 pm-10:30 pm

Nonstop1h 00m

Idaho Falls Fanning Field

Sat 10/18

6:00 am-7:03 am

Nonstop1h 03m

$229

Salt Lake CityJackson

SLC - JAC

SLCJAC

Salt Lake City

Sat 11/29

8:20 pm-9:29 pm

Nonstop1h 09m

Jackson Hole

Sat 12/6

12:55 pm-2:10 pm

Nonstop1h 15m

$239

Salt Lake CityJackson

SLC - JAC

SLCJAC

Salt Lake City

Wed 11/26

8:20 pm-9:29 pm

Nonstop1h 09m

Jackson Hole

Sun 11/30

7:20 am-8:30 am

Nonstop1h 10m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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, October is the cheapest month in which you can book a flight from Salt Lake City to Idaho (average of $314). Flying from Salt Lake City to Idaho in June is currently the most expensive (average of $398). 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 September 15, 2025.

When flying from Salt Lake City to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Salt Lake City to Idaho

Explore weekly flight availability from Salt Lake City to Idaho. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 15, 2025.

The most flights from SLC to USID are scheduled on a Wednesday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

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 September 15, 2025.
See what other customers who have flown with Delta and Spirit Airlines 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
8.0
Very good
7,956 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,016 reviews
Delta
8.0
Very good
7,956 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 1h 12m. Airlines will cover a distance of 290 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 $81. Alaska Airlines flights start at $142 while deals on United Airlines start at $153 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 - Jackson Hole, 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 (97%), Aeromexico (91%), Delta( 89%).

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

    Looking at all options, your cheapest flight can be booked for $168. While the most popular route (Salt Lake City - Spokane) can be booked for $217 on average, our data indicates $334 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, October is the cheapest month in which you can book a flight from Salt Lake City to Idaho (average of $314). Flying from Salt Lake City to Idaho in June is currently the most expensive (average of $398). 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 2 airlines flying from Salt Lake City to Idaho

Discover the top 2 airlines 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$173Average$391FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$174Average$280FlexibilityNo cancel feeOn-time65%

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