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Salt Lake City

$67+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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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 December 1, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:54 pmBOI - SLC
1 stop11h 13mFrontier
Sun 12/217:20 amSLC - BOI
1 stop4h 23mFrontier
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.
Tue 12/2312:02 pmGEG - SLC
1 stop19h 10mFrontier
Mon 12/298:58 pmSLC - GEG
1 stop15h 09mFrontier
Deal found 11/30$172
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 12/149:13 pmGEG - SLC
2 stops35h 31mMultiple Airlines
Sun 1/116:40 amSLC - GEG
1 stop6h 44mMultiple Airlines
Deal found 11/29$174
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:44 pmBOI - SLC
1 stop11h 23mFrontier
Sun 1/47:20 amSLC - BOI
1 stop4h 23mFrontier
Deal found 11/30$188
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.
Thu 12/1812:38 pmBOI - SLC
1 stop19h 34mFrontier
Fri 12/268:58 pmSLC - BOI
1 stop15h 01mFrontier
Deal found 11/30$197
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.
Wed 12/249:50 pmBOI - SLC
1 stop12h 26mMultiple Airlines
Sun 12/287:20 amSLC - BOI
1 stop4h 23mMultiple Airlines
Deal found 11/30$200
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.
Tue 12/2312:02 pmGEG - SLC
1 stop11h 05mFrontier
Sun 12/287:20 amSLC - GEG
1 stop4h 47mFrontier
Deal found 11/29$208
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.
Thu 12/1112:08 pmGEG - SLC
1 stop10h 59mMultiple Airlines
Tue 1/133:40 pmSLC - GEG
1 stop6h 45mMultiple Airlines
Deal found 11/30$217
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 12/149:13 pmGEG - SLC
1 stop13h 28mMultiple Airlines
Thu 12/181:49 pmSLC - GEG
1 stop6h 12mMultiple Airlines
Deal found 11/29$241
This Mytrip deal was found by Cheapflights users on 11/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:44 pmBOI - SLC
1 stop20h 43mFrontier
Sat 12/66:23 pmSLC - BOI
1 stop17h 26mFrontier
Deal found 11/28$243
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 12/144:39 pmIDA - SLC
1 stop19h 02mMultiple Airlines
Thu 12/1810:25 pmSLC - IDA
1 stop15h 55mMultiple Airlines
Deal found 11/29$245
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.
Tue 12/3012:02 pmGEG - SLC
1 stop19h 10mFrontier
Sun 1/116:40 amSLC - GEG
1 stop6h 44mFrontier
Deal found 11/29$253

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 December 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$133
(Kiwi.com)

One-way from

$67
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$389

Good round-trip deal

$356 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Salt Lake City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Salt Lake City flights.
Search Deals
From Idaho to Salt Lake City
Search Deals
One-way flight from Idaho to Salt Lake City
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Idaho to Salt Lake City.
Search Deals
Price to beat on a one-way flight from Idaho to Salt Lake City.
Search Deals

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 December 1, 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

Fri 2/6

12:07 pm-8:44 am

1 stop20h 37m

Salt Lake City

Sun 2/8

9:40 pm-11:12 am

1 stop13h 32m

$151

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Sat 12/20

12:54 pm-12:07 am

1 stop11h 13m

Salt Lake City

Sun 12/21

7:20 am-11:43 am

1 stop4h 23m

$164

Twin FallsSalt Lake City

TWF - SLC

TWFSLC

Twin Falls Joslin

Fri 5/29

3:26 pm-4:25 pm

Nonstop0h 59m

Salt Lake City

Tue 6/2

1:40 pm-2:39 pm

Nonstop0h 59m

$179

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Thu 1/8

3:43 pm-8:58 pm

1 stop5h 15m

Salt Lake City

Sat 1/10

7:00 am-11:01 pm

1 stop16h 01m

$185

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Sat 1/31

11:35 am-8:58 pm

1 stop9h 23m

Salt Lake City

Fri 2/6

7:00 am-3:10 pm

1 stop8h 10m

$185

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Thu 2/5

7:59 pm-10:31 am

1 stop14h 32m

Salt Lake City

Sun 2/8

7:00 am-11:01 pm

1 stop16h 01m

$214

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

Thu 1/8

1:38 pm-8:58 pm

1 stop6h 20m

Salt Lake City

Sun 1/11

7:00 am-11:12 am

1 stop5h 12m

$223

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Mon 3/2

7:00 am-12:17 pm

1 stop5h 17m

Salt Lake City

Thu 3/5

7:05 am-11:59 am

1 stop4h 54m

$233

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

Sat 2/21

6:28 am-5:18 pm

1 stop10h 50m

Salt Lake City

Mon 2/23

11:14 am-5:35 pm

1 stop6h 21m

$235

JacksonSalt Lake City

JAC - SLC

JACSLC

Jackson Hole

Thu 1/8

12:58 pm-2:15 pm

Nonstop1h 17m

Salt Lake City

Sun 1/11

3:20 pm-4:24 pm

Nonstop1h 04m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

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, January is the cheapest month in which you can book a flight from Idaho to Salt Lake City (average of $146). Flying from Idaho to Salt Lake City in April is currently the most expensive (average of $229). 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 December 1, 2025.

One of the essential ways to save on airfare from Idaho to Salt Lake City is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 23% on airfare.

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

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

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

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 4 times in the past calendar month.

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

    There are many flights that can get you from Idaho to Salt Lake City in 59m. Fly via Frontier, Delta, or Alaska Airlines to get the fastest option. The distance between Idaho and Salt Lake City is about 174 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $67. However, be on the lookout for offers from Alaska Airlines 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 Idaho Falls Fanning Field - 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: SkyWest Airlines (97%), Aeromexico (97%), Delta (93%).

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

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Boise Air Term. Gowen Fld - Salt Lake City) can be booked for $195 on average, our data indicates $593 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, January is the cheapest month in which you can book a flight from Idaho to Salt Lake City (average of $146). Flying from Idaho to Salt Lake City in April is currently the most expensive (average of $229). 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
Lehi
Farmington
Midvale
Logan
West Valley City
Draper
Evanston
West Jordan
South Jordan
Layton
Alta
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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$141Average$347FlexibilityNo cancel feeOn-time75%
DeltaCheapest$149Average$344FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$202Average$414FlexibilityNo cancel feeOn-time63%

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