Idaho

$80+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — BOI
Apr 5 — Apr 121
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$178
(CheapOair)

One-way from

$80
(Mytrip)

Popular in

March

Cheapest in

October

Average price

$538

Good round-trip deal

$229 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Salt Lake City-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for Salt Lake City-Boise Air Term. Gowen Fld flights.
From Utah to Idaho
One-way flight from Utah to Idaho
Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Utah to Idaho.
Price to beat on a one-way flight from Utah to Idaho.

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 March 31, 2025.

This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/177:20 amSLC - BOI
1 stop4h 27mFrontier
Sun 6/2212:36 pmBOI - SLC
1 stop19h 58mFrontier
Deal found 3/30$178
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:13 pmSLC - BOI
1 stop21h 24mMultiple Airlines
Mon 5/1912:16 pmBOI - SLC
1 stop7h 03mMultiple Airlines
Deal found 3/31$189
This Frontier deal was found by Cheapflights users on 3/30. 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.
Thu 6/57:20 amSLC - GEG
1 stop4h 43mFrontier
Sun 6/811:48 amGEG - SLC
1 stop11h 15mFrontier
Deal found 3/30$218
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 8/276:15 amSGU - BOI
1 stop2h 59mDelta
Sat 8/305:45 pmBOI - SGU
1 stop4h 20mDelta
Deal found 3/30$218
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/187:30 pmSGU - BOI
1 stop4h 04mAmerican Airlines
Tue 4/225:18 pmBOI - SGU
1 stop6h 45mAmerican Airlines
Deal found 3/30$223
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/155:05 amSGU - IDA
1 stop4h 27mUnited Airlines
Sat 4/194:15 pmIDA - SGU
1 stop6h 40mUnited Airlines
Deal found 3/31$228
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/155:05 amSGU - BOI
1 stop4h 42mUnited Airlines
Sat 4/195:00 amBOI - SGU
1 stop4h 57mUnited Airlines
Deal found 3/30$228
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/64:40 pmSLC - GEG
1 stop7h 39mAlaska Airlines
Sat 5/108:03 amGEG - SLC
1 stop5h 33mAlaska Airlines
Deal found 3/30$264
This Expedia deal was found by Cheapflights users on 3/31. 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 5/307:33 pmSLC - GEG
1 stop5h 21mMultiple Airlines
Sun 6/111:48 amGEG - SLC
1 stop11h 15mMultiple Airlines
Deal found 3/31$269
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/148:45 amSLC - BOI
1 stop4h 17mAlaska Airlines
Wed 5/216:00 amBOI - SLC
1 stop14h 28mAlaska Airlines
Deal found 3/30$278
This Delta deal was found by Cheapflights users on 3/30. 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 5/165:10 pmSLC - LWS
1 stop4h 53mDelta
Wed 5/285:00 pmLWS - SLC
Nonstop1h 37mDelta
Deal found 3/30$279
This Delta deal was found by Cheapflights users on 3/30. 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 6/138:20 pmSLC - JAC
Nonstop1h 10mDelta
Wed 6/181:00 pmJAC - SLC
Nonstop1h 07mDelta
Deal found 3/30$299

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 March 31, 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 CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Tue 6/17

7:20 am-11:47 am

1 stop4h 27m

Boise Air Term. Gowen Fld

Sun 6/22

12:36 pm-8:34 am

1 stop19h 58m

$178

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 8/27

6:15 am-9:14 am

1 stop2h 59m

Boise Air Term. Gowen Fld

Sat 8/30

5:45 pm-10:05 pm

1 stop4h 20m

$218

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Thu 6/5

7:20 am-11:03 am

1 stop4h 43m

Spokane

Sun 6/8

11:48 am-12:03 am

1 stop11h 15m

$218

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Fri 4/18

7:30 pm-11:34 pm

1 stop4h 04m

Boise Air Term. Gowen Fld

Tue 4/22

5:18 pm-12:03 am

1 stop6h 45m

$223

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Tue 4/15

5:05 am-9:32 am

1 stop4h 27m

Idaho Falls Fanning Field

Sat 4/19

4:15 pm-10:55 pm

1 stop6h 40m

$228

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Tue 4/15

5:05 am-9:47 am

1 stop4h 42m

Boise Air Term. Gowen Fld

Sat 4/19

5:00 am-9:57 am

1 stop4h 57m

$228

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Tue 5/6

4:40 pm-11:19 pm

1 stop7h 39m

Spokane

Sat 5/10

8:03 am-2:36 pm

1 stop5h 33m

$264

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

Fri 5/30

7:33 pm-11:54 pm

1 stop5h 21m

Spokane

Sun 6/1

11:48 am-12:03 am

1 stop11h 15m

$269

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

Wed 5/14

8:45 am-1:02 pm

1 stop4h 17m

Boise Air Term. Gowen Fld

Wed 5/21

6:00 am-8:28 pm

1 stop14h 28m

$278

Salt Lake CityLewiston

SLC - LWS

SLCLWS

Salt Lake City

Fri 5/16

5:10 pm-9:03 pm

1 stop4h 53m

Lewiston Nez Perce Rgnl

Wed 5/28

5:00 pm-7:37 pm

Nonstop1h 37m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 $419). 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 March 31, 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.

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 March 31, 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.

Food

7.1

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Food

7.1

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Food

7.1

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Food

7.1

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Food

7.1

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Food

7.1

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 ($80), Frontier ($85), and Alaska Airlines ($132).

  • 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 $419). 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

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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.

Top 2 airlines flying from Utah to Idaho

Discover the top 2 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$82Average$168FlexibilityNo cancel feeOn-time65%
DeltaCheapest$148Average$371FlexibilityNo cancel feeOn-timeN/A
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