HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Utah

$65+ Cheap flights from Idaho to Utah

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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SLC
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Utah with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho to Utah

Keep the following information in mind while searching for Idaho to Utah flight deals. Data was last updated agosto 20, 2025.

Round-trip from

$110
(Cheapflightsfares)

One-way from

$65
(Cheapflightsfares)

Popular in

November

Cheapest in

October

Average price

$399

Good round-trip deal

$223 or less

Good one-way deal

$151 or less
From Idaho to Utah
Search Deals
One-way flight from Idaho to Utah
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from Idaho to Utah.
Search Deals
Price to beat on a one-way flight from Idaho to Utah.
Search Deals

Find flight deals from Idaho to Utah

Cheapest flights from Idaho to Utah
Explore the most affordable flight options available from Idaho to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
lun. 9/159:26 pmBOI - SLC
1 stop11h 08mSpirit Airlines
lun. 9/229:29 amSLC - BOI
1 stop11h 02mSpirit Airlines
Deal found 8/18$110
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
vie. 9/199:26 pmBOI - SLC
1 stop11h 08mSpirit Airlines
lun. 9/229:29 amSLC - BOI
1 stop11h 02mSpirit Airlines
Deal found 8/18$124
This FlightHub deal was found by Cheapflights users on 8/19. 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.
lun. 9/299:26 pmBOI - SLC
1 stop11h 08mSpirit Airlines
vie. 10/36:47 pmSLC - BOI
1 stop18h 34mSpirit Airlines
Deal found 8/19$126
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
jue. 9/112:16 pmBOI - SLC
1 stop20h 26mMultiple Airlines
mié. 9/176:05 pmSLC - BOI
1 stop19h 16mMultiple Airlines
Deal found 8/18$134
This FlightHub deal was found by Cheapflights users on 8/18. 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.
vie. 9/129:26 pmBOI - SLC
1 stop11h 08mSpirit Airlines
dom. 9/147:35 pmSLC - BOI
1 stop24h 56mSpirit Airlines
Deal found 8/18$138
This FlightHub deal was found by Cheapflights users on 8/18. 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.
vie. 9/199:26 pmBOI - SLC
1 stop11h 08mSpirit Airlines
dom. 9/217:35 pmSLC - BOI
1 stop24h 56mSpirit Airlines
Deal found 8/18$140
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
lun. 9/159:26 pmBOI - SLC
1 stop11h 08mMultiple Airlines
lun. 9/221:25 pmSLC - BOI
1 stop7h 06mMultiple Airlines
Deal found 8/18$150
This FlightHub deal was found by Cheapflights users on 8/18. 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.
jue. 9/112:16 pmBOI - SLC
1 stop4h 24mSpirit Airlines
dom. 9/147:35 pmSLC - BOI
1 stop24h 56mSpirit Airlines
Deal found 8/18$152
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
jue. 9/182:16 pmBOI - SLC
1 stop18h 18mSpirit Airlines
dom. 9/217:35 pmSLC - BOI
1 stop24h 56mSpirit Airlines
Deal found 8/17$158
This Justfly.com deal was found by Cheapflights users on 8/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1912:22 pmBOI - SLC
1 stop11h 52mMultiple Airlines
lun. 9/229:29 amSLC - BOI
1 stop11h 02mMultiple Airlines
Deal found 8/18$160
This Orbitz deal was found by Cheapflights users on 8/18. 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.
jue. 9/1811:53 amGEG - SLC
1 stop11h 21mFrontier
dom. 9/216:45 amSLC - GEG
1 stop5h 13mFrontier
Deal found 8/18$164
This FlightHub deal was found by Cheapflights users on 8/19. 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.
jue. 9/411:53 amGEG - SLC
1 stop18h 39mFrontier
dom. 9/76:45 amSLC - GEG
1 stop5h 13mFrontier
Deal found 8/19$166

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Utah 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 agosto 20, 2025.
Use the filters below to find and compare flights from Idaho to Utah that are best for you.

Fly from

Idaho

Fly to

Utah

Route

Depart

Return

Price

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

lun. 9/15

9:26 pm-8:34 am

1 stop11h 08m

Salt Lake City

lun. 9/22

9:29 am-8:31 pm

1 stop11h 02m

$110

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

vie. 9/19

9:26 pm-8:34 am

1 stop11h 08m

Salt Lake City

lun. 9/22

9:29 am-8:31 pm

1 stop11h 02m

$124

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

lun. 9/29

9:26 pm-8:34 am

1 stop11h 08m

Salt Lake City

vie. 10/3

6:47 pm-1:21 pm

1 stop18h 34m

$126

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

jue. 9/11

2:16 pm-10:42 am

1 stop20h 26m

Salt Lake City

mié. 9/17

6:05 pm-1:21 pm

1 stop19h 16m

$134

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

vie. 9/12

9:26 pm-8:34 am

1 stop11h 08m

Salt Lake City

dom. 9/14

7:35 pm-8:31 pm

1 stop24h 56m

$138

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

vie. 9/19

9:26 pm-8:34 am

1 stop11h 08m

Salt Lake City

dom. 9/21

7:35 pm-8:31 pm

1 stop24h 56m

$140

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

lun. 9/15

9:26 pm-8:34 am

1 stop11h 08m

Salt Lake City

lun. 9/22

1:25 pm-8:31 pm

1 stop7h 06m

$150

BoiseSalt Lake City

BOI - SLC

BOISLC

Boise Air Term. Gowen Fld

dom. 9/21

2:16 pm-8:34 am

1 stop18h 18m

Salt Lake City

lun. 9/22

1:25 pm-8:31 pm

1 stop7h 06m

$150

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

jue. 9/18

11:53 am-12:14 am

1 stop11h 21m

Salt Lake City

dom. 9/21

6:45 am-10:58 am

1 stop5h 13m

$164

SpokaneSalt Lake City

GEG - SLC

GEGSLC

Spokane

jue. 9/4

11:53 am-7:32 am

1 stop18h 39m

Salt Lake City

dom. 9/7

6:45 am-10:58 am

1 stop5h 13m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Idaho to Utah

Have a flexible travel schedule? Discover the best time to fly to Utah 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 Utah

What is the cheapest month to book a flight from Idaho to Utah?

Currently, October is the cheapest month in which you can book a flight from Idaho to Utah (average of $277). Flying from Idaho to Utah 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 UT?

Find hourly flight availability from Idaho to Utah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 20, 2025.

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

Weekly flight availability from Idaho to Utah

Explore weekly flight availability from Idaho to Utah. 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 agosto 20, 2025.

The most flights from USID to USUT 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 (7 on average).

Reviews of airlines servicing Utah

Get insights into the airlines that provide service to Utah. 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 Utah. Reviews last updated agosto 20, 2025.
Read through reviews of airlines operating flights from Idaho to Utah, such as Alaska Airlines, Southwest, and Delta. 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

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

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

  • How popular is this Idaho to Utah flight route?

    Flights from Idaho to Utah have been viewed 7 times in the past calendar month.

  • How long is the flight from Idaho to Utah?

    There are many flights that can get you from Idaho to Utah in 1h 01m. Fly via Spirit Airlines, Frontier, or Delta to get the fastest option. The distance between Idaho and Utah is about 174 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Idaho to Utah one-way?

    The cheapest airlines for a one-way flight from Idaho to Utah are Spirit Airlines ($65), Frontier ($83), and United Airlines ($141).

  • Can I find deals for flights from Idaho to Utah that include hotel bookings?

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

  • How can I find direct flights from Idaho to Utah?

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

  • Can I find deals for business class flights from Idaho to Utah?

    Yes. Cheapflights offers flight deals from Idaho to Utah 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 Utah?

    Currently, October is the cheapest month in which you can book a flight from Idaho to Utah (average of $277). Flying from Idaho to Utah 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Utah

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Seattle flights
Los Angeles to Newark flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to Las Vegas flights
Newark to Fort Lauderdale flights
Newark to Los Angeles flights
Dallas/Fort Worth to O'Hare Intl flights
San Francisco to John F Kennedy Intl flights
John F Kennedy Intl to Miami flights
Los Angeles to Seattle flights
Newark to Miami flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to O'Hare Intl flights
LaGuardia to Miami flights
LaGuardia to Fort Lauderdale flights
Fort Lauderdale to Newark flights
Ontario to Seattle flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
San Francisco to Newark flights
Seattle to Los Angeles flights
Los Angeles to Dallas/Fort Worth flights
Dallas/Fort Worth to Denver flights
Seattle to Las Vegas flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to O'Hare Intl flights
Newark to O'Hare Intl flights
Dallas/Fort Worth to Los Angeles flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Orlando flights
Miami to LaGuardia flights
Newark to Las Vegas flights
Dallas/Fort Worth to Newark flights
Los Angeles to LaGuardia flights
Los Angeles to O'Hare Intl flights
Atlanta to LaGuardia flights
Atlanta to John F Kennedy Intl flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Las Vegas flights
Fort Lauderdale to LaGuardia flights
Newark to San Francisco flights
John F Kennedy Intl to Atlanta flights
Newark to Dallas/Fort Worth flights
O'Hare Intl to Newark flights

Top 3 airlines flying from Idaho to Utah

Discover the top 3 airlines that operate flights from Idaho to Utah. 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$141Average$347FlexibilityNo cancel feeOn-time75%
DeltaCheapest$189Average$348FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$302Average$452FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.