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Idaho

$72+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$177
(Southwest)

One-way from

$72
(Priceline)

Popular in

September

Cheapest in

October

Average price

$458

Good round-trip deal

$259 or less

Good one-way deal

$298 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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High demand for flights, 3% potential price rise
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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 June 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 June 30, 2025.

This Southwest deal was found by Cheapflights users on 6/28. 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.
Wed 8/66:15 pmSLC - BOI
1 stop3h 55mSouthwest
Wed 8/134:05 pmBOI - SLC
1 stop4h 25mSouthwest
Deal found 6/28$177
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/269:25 amSLC - WYS
Nonstop1h 11mDelta
Sat 8/23:25 pmWYS - SLC
Nonstop1h 10mDelta
Deal found 6/29$188
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/193:02 pmSLC - BOI
1 stop5h 19mSpirit Airlines
Sun 9/219:16 pmBOI - SLC
1 stop20h 36mSpirit Airlines
Deal found 6/28$201
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/298:30 pmSLC - JAC
Nonstop0h 59mDelta
Sat 8/306:52 pmJAC - SLC
Nonstop1h 08mDelta
Deal found 6/30$219
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:42 pmSLC - GEG
1 stop22h 16mFrontier
Sun 9/1411:53 amGEG - SLC
1 stop22h 18mFrontier
Deal found 6/29$222
This Frontier deal was found by Cheapflights users on 6/27. 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 8/177:20 amSLC - BOI
1 stop4h 26mFrontier
Thu 8/2112:33 pmBOI - SLC
1 stop11h 46mFrontier
Deal found 6/27$235
This Mytrip deal was found by Cheapflights users on 6/29. 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.
Sun 7/209:52 pmSLC - GEG
2 stops20h 10mMultiple Airlines
Thu 7/249:33 amGEG - SLC
1 stop10h 24mMultiple Airlines
Deal found 6/29$236
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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.
Thu 8/211:35 pmSLC - GEG
1 stop4h 16mAlaska Airlines
Tue 8/2612:10 pmGEG - SLC
1 stop5h 20mAlaska Airlines
Deal found 6/29$237
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:52 pmSLC - BOI
1 stop21h 00mMultiple Airlines
Sun 8/1012:36 pmBOI - SLC
1 stop19h 56mMultiple Airlines
Deal found 6/28$255
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:00 amSLC - GEG
1 stop4h 45mSouthwest
Sat 9/209:55 amGEG - SLC
2 stops9h 20mSouthwest
Deal found 6/29$257
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1510:49 pmSLC - BOI
Nonstop1h 10mDelta
Mon 8/1812:45 pmBOI - SLC
Nonstop1h 15mDelta
Deal found 6/29$259
This Delta deal was found by Cheapflights users on 6/28. 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.
Tue 7/2210:45 amSLC - SUN
Nonstop1h 06mDelta
Tue 7/297:30 amSUN - SLC
Nonstop1h 04mDelta
Deal found 6/28$259

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 June 30, 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

Wed 8/6

6:15 pm-10:10 pm

1 stop3h 55m

Boise Air Term. Gowen Fld

Wed 8/13

4:05 pm-8:30 pm

1 stop4h 25m

$177

Salt Lake CityWest Yellowstone

SLC - WYS

SLCWYS

Salt Lake City

Sat 7/26

9:25 am-10:36 am

Nonstop1h 11m

West Yellowstone

Sat 8/2

3:25 pm-4:35 pm

Nonstop1h 10m

$188

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 9/19

3:02 pm-8:21 pm

1 stop5h 19m

Boise Air Term. Gowen Fld

Sun 9/21

9:16 pm-5:52 pm

1 stop20h 36m

$201

Salt Lake CityJackson

SLC - JAC

SLCJAC

Salt Lake City

Fri 8/29

8:30 pm-9:29 pm

Nonstop0h 59m

Jackson Hole

Sat 8/30

6:52 pm-8:00 pm

Nonstop1h 08m

$219

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Wed 9/10

1:42 pm-10:58 am

1 stop22h 16m

Spokane

Sun 9/14

11:53 am-11:11 am

1 stop22h 18m

$222

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sun 8/17

7:20 am-11:46 am

1 stop4h 26m

Boise Air Term. Gowen Fld

Thu 8/21

12:33 pm-12:19 am

1 stop11h 46m

$235

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Sun 7/20

9:52 pm-5:02 pm

2 stops20h 10m

Spokane

Thu 7/24

9:33 am-8:57 pm

1 stop10h 24m

$236

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Thu 8/21

1:35 pm-4:51 pm

1 stop4h 16m

Spokane

Tue 8/26

12:10 pm-6:30 pm

1 stop5h 20m

$237

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Thu 8/7

9:52 pm-6:52 pm

1 stop21h 00m

Boise Air Term. Gowen Fld

Sun 8/10

12:36 pm-8:32 am

1 stop19h 56m

$255

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Tue 9/16

6:00 am-9:45 am

1 stop4h 45m

Spokane

Sat 9/20

9:55 am-8:15 pm

2 stops9h 20m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 56 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 June 30, 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 June 30, 2025.

The most flights from SLC to USID are scheduled on a Wednesday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 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 June 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,969 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,533 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $72. Southwest flights start at $89 while deals on Spirit Airlines start at $109 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 - West Yellowstone, 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 (100%), Korean Air (100%), Aeromexico( 93%).

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

    Looking at all options, your cheapest flight can be booked for $248. While the most popular route (Salt Lake City - Spokane) can be booked for $217 on average our data indicates $447 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$113Average$194FlexibilityNo cancel feeOn-time65%
DeltaCheapest$173Average$401FlexibilityNo cancel feeOn-timeN/A

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