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$185+ Cheap flights from Saint George (SGU) 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — BOI
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Saint George to Idaho

Cheapest flights from Saint George to Idaho
Explore the most affordable flight options available from Saint George to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Thu 12/255:00 amIDA - SGU
1 stop5h 20mUnited Airlines
Deal found 12/14$288
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:36 pmSGU - IDA
1 stop5h 23mUnited Airlines
Sun 12/215:00 amIDA - SGU
1 stop5h 20mUnited Airlines
Deal found 12/15$308
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:45 pmSGU - BOI
1 stop6h 55mAmerican Airlines
Mon 1/262:48 pmBOI - SGU
1 stop6h 34mAmerican Airlines
Deal found 12/14$417
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:15 pmSGU - BOI
1 stop5h 29mDelta
Sun 12/216:19 pmBOI - SGU
1 stop3h 42mDelta
Deal found 12/14$488
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:10 amSGU - BOI
1 stop4h 51mUnited Airlines
Mon 1/262:20 pmBOI - SGU
2 stops25h 45mUnited Airlines
Deal found 12/14$506
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:42 pmSGU - GEG
1 stop4h 22mDelta
Tue 12/305:55 amGEG - SGU
1 stop3h 54mDelta
Deal found 12/14$558
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1912:15 pmSGU - BOI
1 stop4h 38mAmerican Airlines
Sun 12/216:40 amBOI - SGU
1 stop4h 42mAmerican Airlines
Deal found 12/14$582
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/235:10 amSGU - JAC
1 stop4h 45mUnited Airlines
Sat 12/274:20 pmJAC - SGU
1 stop18h 00mUnited Airlines
Deal found 12/13$595
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:42 pmSGU - GEG
1 stop4h 22mDelta
Mon 12/2910:04 amGEG - SGU
1 stop3h 35mDelta
Deal found 12/14$633
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:36 pmSGU - BOI
1 stop5h 04mUnited Airlines
Sun 12/215:12 pmBOI - SGU
2 stops23h 13mUnited Airlines
Deal found 12/14$647
This Delta deal was found by Cheapflights users on 12/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:42 pmSGU - GEG
1 stop6h 17mDelta
Tue 12/305:55 amGEG - SGU
1 stop3h 54mDelta
Deal found 12/14$672
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:30 amSGU - BOI
1 stop6h 16mAmerican Airlines
Mon 12/225:23 pmBOI - SGU
1 stop4h 14mAmerican Airlines
Deal found 12/14$673

Find flight deals from Saint George to Idaho

Keep the following information in mind while searching for Saint George to Idaho flight deals. Data was last updated December 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$218
(Delta)

One-way from

$185
(American Airlines)

Popular in

December

Cheapest in

July

Average price

$481
Provider with most accurate pricing for Saint George-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Saint George-Boise Air Term. Gowen Fld flights.
Search Deals
From Saint George to Idaho
Search Deals
One-way flight from Saint George to Idaho
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint George 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 December 15, 2025.
Use the filters below to find and compare flights from Saint George to Idaho that are best for you.

Fly from

Saint George

Fly to

Idaho

Route

Depart

Return

Price

Saint GeorgeJackson

SGU - JAC

SGUJAC

Saint George

Fri 1/23

11:30 am-4:24 pm

1 stop4h 54m

Jackson Hole

Sun 1/25

5:30 pm-9:53 pm

1 stop4h 23m

$218

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Tue 1/6

5:50 am-10:24 am

1 stop4h 34m

Boise Air Term. Gowen Fld

Sat 1/10

6:15 pm-9:53 pm

1 stop3h 38m

$238

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Sat 3/7

1:10 pm-5:40 pm

1 stop4h 30m

Boise Air Term. Gowen Fld

Tue 3/10

12:50 pm-6:36 pm

1 stop5h 46m

$238

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Sat 3/7

1:10 pm-5:40 pm

1 stop4h 30m

Boise Air Term. Gowen Fld

Mon 3/9

10:40 am-2:39 pm

1 stop3h 59m

$238

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Sat 1/3

5:10 am-9:58 am

1 stop4h 48m

Idaho Falls Fanning Field

Mon 1/12

4:19 pm-11:04 pm

1 stop6h 45m

$243

Saint GeorgeJackson

SGU - JAC

SGUJAC

Saint George

Sat 1/24

5:10 am-9:55 am

1 stop4h 45m

Jackson Hole

Wed 1/28

7:00 am-2:08 pm

1 stop7h 08m

$278

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 1/21

5:10 am-10:06 am

1 stop4h 56m

Boise Air Term. Gowen Fld

Sun 1/25

6:10 am-1:13 pm

1 stop7h 03m

$298

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Sun 3/22

5:50 am-9:00 am

1 stop4h 10m

Spokane

Sat 3/28

5:00 pm-9:53 pm

1 stop3h 53m

$303

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Sat 3/21

1:11 pm-4:09 pm

1 stop3h 58m

Spokane

Sat 3/28

5:00 pm-9:53 pm

1 stop3h 53m

$303

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Fri 3/20

5:50 am-9:00 am

1 stop4h 10m

Spokane

Sat 3/28

5:00 pm-9:53 pm

1 stop3h 53m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 36 results
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Best time to book a flight from Saint George to Idaho

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

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

Currently, February is the cheapest month in which you can book a flight from Saint George to Idaho (average of $136). Flying from Saint George to Idaho in November is currently the most expensive (average of $473). 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 SGU to ID?

Find hourly flight availability from Saint George 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 December 15, 2025.

When flying from Saint George to Idaho, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight at noon.

How much does it cost to fly round-trip from Saint George to Idaho?

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 December 15, 2025.
Read through reviews of airlines operating flights from Saint George to Idaho, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Comfort

7.9

Boarding

8.1

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Saint George to Idaho. 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 from for flights from Saint George to Idaho?

    Most people fly from Saint George (SGU) if they book a flight from Saint George to Idaho. Saint George is conveniently located just 1.4 mi from Saint George’s city center.

  • How long is the flight from Saint George to Idaho?

    A quick flight from Saint George to Idaho can take about 4h 48m. Delta provides one of the quickest options available for as low as $243. Saint George and Idaho are separated by a distance of 451 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Saint George to Idaho?

    When deciding which route to take from Saint George to Idaho consider Saint George - Boise Air Term. Gowen Fld, Saint George - Jackson Hole or Saint George - Spokane as they are the most popular.

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

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

  • How can I find direct flights from Saint George to Idaho?

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

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

    Yes. Cheapflights offers flight deals from Saint George 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 Saint George to Idaho?

    Currently, February is the cheapest month in which you can book a flight from Saint George to Idaho (average of $136). Flying from Saint George to Idaho in November is currently the most expensive (average of $473). 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 Saint George to Idaho

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Top 3 airlines flying from Saint George to Idaho

Discover the top 3 airlines that operate flights from Saint George 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$413FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$374FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$263Average$408FlexibilityNo cancel feeOn-time71%

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