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Idaho

$108+ Cheap flights from Utah 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Utah to Idaho

Keep the following information in mind while searching for Utah to Idaho flight deals. Data was last updated June 12, 2025.

Round-trip from

$219
(Delta)

One-way from

$108
(FlightHub)

Popular in

September

Cheapest in

October

Average price

$458

Good round-trip deal

$289 or less

Good one-way deal

$163 or less
From Utah to Idaho
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One-way flight from Utah to Idaho
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% 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 Utah to Idaho.
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Price to beat on a one-way flight from Utah to Idaho.
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Find flight deals from Utah to Idaho

Cheapest flights from Utah to Idaho
Explore the most affordable flight options available from Utah to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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.
Sat 9/203:05 pmSLC - BOI
1 stop5h 39mSpirit Airlines
Mon 9/229:49 pmBOI - SLC
1 stop16h 21mSpirit Airlines
Deal found 6/10$199
This Delta deal was found by Cheapflights users on 6/10. 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 7/167:40 pmSLC - JAC
Nonstop1h 09mDelta
Wed 7/231:00 pmJAC - SLC
Nonstop1h 06mDelta
Deal found 6/10$219
This Delta deal was found by Cheapflights users on 6/12. 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 8/228:55 pmSLC - SUN
Nonstop1h 01mDelta
Tue 8/263:15 pmSUN - SLC
Nonstop1h 04mDelta
Deal found 6/12$219
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:42 pmSLC - GEG
1 stop22h 26mFrontier
Sun 9/1412:08 pmGEG - SLC
1 stop18h 24mFrontier
Deal found 6/12$228
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/223:05 pmSLC - BOI
1 stop5h 39mMultiple Airlines
Fri 8/2912:27 pmBOI - SLC
1 stop24h 12mMultiple Airlines
Deal found 6/11$233
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:43 pmSLC - GEG
1 stop4h 16mHawaiian Airlines
Wed 9/171:40 pmGEG - SLC
1 stop5h 08mHawaiian Airlines
Deal found 6/10$238
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 10/2210:53 amSLC - BOI
2 stops12h 19mAlaska Airlines
Mon 10/2711:09 amBOI - SLC
2 stops24h 22mAlaska Airlines
Deal found 6/10$251
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:52 pmSLC - GEG
2 stops20h 10mMultiple Airlines
Sun 8/109:33 amGEG - SLC
1 stop10h 24mMultiple Airlines
Deal found 6/12$254
This Delta deal was found by Cheapflights users on 6/10. 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 8/18:30 pmSLC - BOI
Nonstop1h 10mDelta
Sat 8/166:00 amBOI - SLC
Nonstop1h 10mDelta
Deal found 6/10$259
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:34 pmSLC - BOI
1 stop17h 12mFrontier
Thu 7/2412:36 pmBOI - SLC
1 stop19h 56mFrontier
Deal found 6/12$266
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:12 pmSLC - GEG
1 stop4h 44mAlaska Airlines
Wed 8/137:00 amGEG - SLC
1 stop5h 02mAlaska Airlines
Deal found 6/12$268
This Delta deal was found by Cheapflights users on 6/10. 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 8/2912:45 pmSLC - LWS
Nonstop1h 34mDelta
Mon 9/12:00 pmLWS - SLC
Nonstop1h 35mDelta
Deal found 6/10$289

Cheapflights Fare Finder

Customize your flight search to find flights from Utah 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 12, 2025.
Use the filters below to find and compare flights from Utah to Idaho that are best for you.

Fly from

Utah

Fly to

Idaho

Route

Depart

Return

Price

Salt Lake CityJackson

SLC - JAC

SLCJAC

Salt Lake City

Wed 7/16

7:40 pm-8:49 pm

Nonstop1h 09m

Jackson Hole

Wed 7/23

1:00 pm-2:06 pm

Nonstop1h 06m

$219

Salt Lake CityHailey

SLC - SUN

SLCSUN

Salt Lake City

Fri 8/22

8:55 pm-9:56 pm

Nonstop1h 01m

Hailey Sun Valley-Friedman

Tue 8/26

3:15 pm-4:19 pm

Nonstop1h 04m

$219

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Wed 9/10

1:42 pm-11:08 am

1 stop22h 26m

Spokane

Sun 9/14

12:08 pm-7:32 am

1 stop18h 24m

$228

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 8/22

3:05 pm-8:44 pm

1 stop5h 39m

Boise Air Term. Gowen Fld

Fri 8/29

12:27 pm-12:39 pm

1 stop24h 12m

$233

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Tue 9/16

8:43 pm-11:59 pm

1 stop4h 16m

Spokane

Wed 9/17

1:40 pm-7:48 pm

1 stop5h 08m

$238

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Thu 8/7

9:52 pm-5:02 pm

2 stops20h 10m

Spokane

Sun 8/10

9:33 am-8:57 pm

1 stop10h 24m

$254

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Fri 8/1

8:30 pm-9:40 pm

Nonstop1h 10m

Boise Air Term. Gowen Fld

Sat 8/16

6:00 am-7:10 am

Nonstop1h 10m

$259

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Sat 7/19

6:34 pm-11:46 am

1 stop17h 12m

Boise Air Term. Gowen Fld

Thu 7/24

12:36 pm-8:32 am

1 stop19h 56m

$266

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Mon 8/4

7:12 pm-10:56 pm

1 stop4h 44m

Spokane

Wed 8/13

7:00 am-1:02 pm

1 stop5h 02m

$268

Salt Lake CityLewiston

SLC - LWS

SLCLWS

Salt Lake City

Fri 8/29

12:45 pm-1:19 pm

Nonstop1h 34m

Lewiston Nez Perce Rgnl

Mon 9/1

2:00 pm-4:35 pm

Nonstop1h 35m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
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Best time to book a flight from Utah to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from Utah to Idaho (average of $314). Flying from Utah to Idaho in June is currently the most expensive (average of $395). 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 UT to ID?

Find hourly flight availability from Utah 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 12, 2025.

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

Weekly flight availability from Utah to Idaho

Explore weekly flight availability from Utah 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 12, 2025.

The most flights from USUT to USID are scheduled on a Wednesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 12, 2025.
To help decide which airline to fly from Utah to Idaho, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

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 Utah to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airlines for a one-way flight from Utah to Idaho are Spirit Airlines ($108), Alaska Airlines ($119), and Frontier ($125).

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Utah to Idaho (average of $314). Flying from Utah to Idaho in June is currently the most expensive (average of $395). 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

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Alternative routes for Utah to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Utah to Idaho

Discover the top 3 airlines that operate flights from Utah 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$113Average$174FlexibilityNo cancel feeOn-time65%
DeltaCheapest$173Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$360FlexibilityNo cancel feeOn-time69%

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