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Salt Lake City

$63+ Cheap flights from Idaho to Salt Lake City (SLC)

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from Idaho to Salt Lake City

Keep the following information in mind while searching for Idaho to Salt Lake City flight deals. Data was last updated August 16, 2025.

Round-trip from

$138
(Priceline)

One-way from

$63
(Cheapflightsfares)

Popular in

November

Cheapest in

October

Average price

$399

Good round-trip deal

$248 or less

Good one-way deal

$142 or less
From Idaho to Salt Lake City
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One-way flight from Idaho to Salt Lake City
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Idaho to Salt Lake City.
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Price to beat on a one-way flight from Idaho to Salt Lake City.
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Find flight deals from Idaho to Salt Lake City

Cheapest flights from Idaho to Salt Lake City
Explore the most affordable flight options available from Idaho to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/15. 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.
Sat 9/132:16 pmBOI - SLC
1 stop18h 18mSpirit Airlines
Sun 9/147:35 pmSLC - BOI
1 stop24h 56mSpirit Airlines
Deal found 8/15$137
This FlightHub deal was found by Cheapflights users on 8/15. 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 9/59:26 pmBOI - SLC
1 stop11h 08mMultiple Airlines
Sat 9/69:58 pmSLC - BOI
1 stop13h 39mMultiple Airlines
Deal found 8/15$138
This FlightHub deal was found by Cheapflights users on 8/15. 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 9/112:16 pmBOI - SLC
1 stop4h 24mSpirit Airlines
Sun 9/147:35 pmSLC - BOI
1 stop24h 56mSpirit Airlines
Deal found 8/15$140
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:26 pmBOI - SLC
1 stop11h 08mSpirit Airlines
Fri 9/199:29 amSLC - BOI
1 stop11h 02mSpirit Airlines
Deal found 8/15$146
This Priceline deal was found by Cheapflights users on 8/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/112:16 pmBOI - SLC
1 stop4h 24mMultiple Airlines
Sun 9/146:45 amSLC - BOI
1 stop4h 52mMultiple Airlines
Deal found 8/14$155
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:26 pmBOI - SLC
1 stop11h 08mSpirit Airlines
Wed 10/83:34 pmSLC - BOI
1 stop21h 56mSpirit Airlines
Deal found 8/14$161
This Expedia deal was found by Cheapflights users on 8/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:53 amGEG - SLC
1 stop11h 21mFrontier
Thu 9/186:45 amSLC - GEG
1 stop5h 13mFrontier
Deal found 8/14$164
This Mytrip deal was found by Cheapflights users on 8/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:39 pmIDA - SLC
1 stop10h 55mMultiple Airlines
Mon 9/229:29 amSLC - IDA
1 stop5h 20mMultiple Airlines
Deal found 8/14$170
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:33 pmBOI - SLC
1 stop11h 28mFrontier
Sat 11/88:10 pmSLC - BOI
1 stop15h 38mFrontier
Deal found 8/14$171
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:53 amGEG - SLC
1 stop11h 21mFrontier
Sat 9/139:58 pmSLC - GEG
1 stop14h 00mFrontier
Deal found 8/14$172
This Southwest deal was found by Cheapflights users on 8/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/303:45 pmBOI - SLC
1 stop6h 35mSouthwest
Wed 10/17:35 amSLC - BOI
1 stop4h 35mSouthwest
Deal found 8/14$175
This FlightHub deal was found by Cheapflights users on 8/15. 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 10/1612:28 pmBOI - SLC
1 stop4h 32mFrontier
Fri 10/246:30 amSLC - BOI
1 stop5h 13mFrontier
Deal found 8/15$177

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Salt Lake City 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 August 16, 2025.
Use the filters below to find and compare flights from Idaho to Salt Lake City that are best for you.

Fly from

Idaho

Fly to

Salt Lake City

Route

Depart

Return

Price

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Sat 9/13

2:16 pm-8:34 am

1 stop18h 18m

Salt Lake City

Sun 9/14

7:35 pm-8:31 pm

1 stop24h 56m

$137

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Thu 9/11

2:16 pm-6:40 pm

1 stop4h 24m

Salt Lake City

Thu 9/18

6:45 am-11:37 am

1 stop4h 52m

$138

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Fri 9/5

9:26 pm-8:34 am

1 stop11h 08m

Salt Lake City

Sat 9/6

9:58 pm-11:37 am

1 stop13h 39m

$138

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Fri 9/12

9:26 pm-8:34 am

1 stop11h 08m

Salt Lake City

Sun 9/14

7:35 pm-8:31 pm

1 stop24h 56m

$140

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Thu 9/11

2:16 pm-6:40 pm

1 stop4h 24m

Salt Lake City

Sun 9/14

7:35 pm-8:31 pm

1 stop24h 56m

$140

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Fri 9/5

9:26 pm-8:34 am

1 stop11h 08m

Salt Lake City

Sun 9/7

7:35 pm-8:31 pm

1 stop24h 56m

$140

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Thu 9/11

2:16 pm-6:40 pm

1 stop4h 24m

Salt Lake City

Thu 9/18

7:35 pm-8:31 pm

1 stop24h 56m

$140

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Fri 9/12

9:26 pm-8:34 am

1 stop11h 08m

Salt Lake City

Fri 9/19

9:29 am-8:31 pm

1 stop11h 02m

$146

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Thu 9/11

2:16 pm-6:40 pm

1 stop4h 24m

Salt Lake City

Sun 9/14

6:45 am-11:37 am

1 stop4h 52m

$155

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

Thu 11/6

12:08 pm-12:01 am

1 stop10h 53m

Salt Lake City

Sun 11/9

7:20 am-11:08 am

1 stop4h 48m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

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

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

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

Currently, October is the cheapest month in which you can book a flight from Idaho to Salt Lake City (average of $277). Flying from Idaho to Salt Lake City in March is currently the most expensive (average of $417). 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 ID to SLC?

Find hourly flight availability from Idaho to Salt Lake City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Salt Lake City as you normally would.

Weekly flight availability from Idaho to Salt Lake City

Explore weekly flight availability from Idaho to Salt Lake City. 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 August 16, 2025.

The most flights from USID to SLC are scheduled on a Wednesday (13 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Idaho to Salt Lake City?

Related info for your journey

Find useful and relevant information for your journey from Idaho to Salt Lake City. 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 into for flights to Salt Lake City from Idaho?

    If you book a flight to Salt Lake City from Idaho, you will be flying to Salt Lake City, which is the city’s only airport. Salt Lake City (SLC) is located 5.7 mi from the center of Salt Lake City.

  • How popular is this Idaho to Salt Lake City flight route?

    Flights from Idaho to Salt Lake City have been viewed 7 times in the past calendar month.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $63. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Idaho to Salt Lake City for a low price.

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

    The most popular flight routes from Idaho to Salt Lake City are Boise Air Term. Gowen Fld - Salt Lake City, Spokane - Salt Lake City and Jackson Hole - Salt Lake City.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Idaho to Salt Lake City on time: Korean Air (99%), Aeromexico (99%), SkyWest Airlines (98%).

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

    Looking at all options, your cheapest flight can be booked for $107. While the most popular route (Boise Air Term. Gowen Fld - Salt Lake City) can be booked for $138 on average our data indicates $405 when flying from Idaho to Salt Lake City.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Idaho to Salt Lake City (average of $277). Flying from Idaho to Salt Lake City in March is currently the most expensive (average of $417). 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.

See more FAQs

Traveling to a place near Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
Bountiful
Midvale
Lehi
Layton
Farmington
Logan
West Valley City
Evanston
West Jordan
South Jordan
Draper
Sandy

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Alternative routes for Idaho to Salt Lake City

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Top 3 airlines flying from Idaho to Salt Lake City

Discover the top 3 airlines that operate flights from Idaho to Salt Lake City. 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$141Average$347FlexibilityNo cancel feeOn-time75%
DeltaCheapest$187Average$339FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$302Average$452FlexibilityNo cancel feeOn-time63%

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