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$209+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — BOI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$218
(Delta)

One-way from

$209
(Delta)

Popular in

October

Cheapest in

December

Average price

$358
From Saint George to Idaho
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One-way flight from Saint George to Idaho
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Highest demand for flights based on searches. 18% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:45 pmSGU - BOI
1 stop6h 47mAmerican Airlines
Mon 10/276:40 amBOI - SGU
1 stop4h 33mAmerican Airlines
Deal found 9/12$218
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:45 pmSGU - BOI
1 stop6h 47mAmerican Airlines
Sun 10/265:20 pmBOI - SGU
1 stop6h 53mAmerican Airlines
Deal found 9/12$248
This Delta deal was found by Cheapflights users on 9/12. 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.
Wed 10/81:10 pmSGU - GEG
1 stop3h 43mDelta
Mon 10/136:00 amGEG - SGU
1 stop5h 32mDelta
Deal found 9/12$268
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/145:30 pmSGU - IDA
1 stop5h 22mUnited Airlines
Sun 11/165:00 amIDA - SGU
1 stop5h 07mUnited Airlines
Deal found 9/14$278
This Delta deal was found by Cheapflights users on 9/12. 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 10/36:00 amSGU - GEG
1 stop3h 54mDelta
Sun 10/59:40 amGEG - SGU
1 stop6h 12mDelta
Deal found 9/12$298
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 9/135:33 pmSGU - BOI
1 stop4h 48mUnited Airlines
Sun 9/215:00 amBOI - SGU
1 stop4h 56mUnited Airlines
Deal found 9/13$328
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:05 amSGU - GEG
1 stop6h 56mDelta
Sun 10/124:50 pmGEG - SGU
1 stop4h 01mDelta
Deal found 9/13$343
This Delta deal was found by Cheapflights users on 9/14. 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 9/306:00 amSGU - BOI
1 stop4h 34mDelta
Sat 10/45:43 pmBOI - SGU
1 stop4h 14mDelta
Deal found 9/14$348
This Delta deal was found by Cheapflights users on 9/14. 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 11/216:00 amSGU - BOI
1 stop4h 18mDelta
Mon 12/15:55 amBOI - SGU
1 stop4h 55mDelta
Deal found 9/14$379
This Delta deal was found by Cheapflights users on 9/14. 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 9/2611:25 amSGU - GEG
1 stop5h 45mDelta
Sun 9/285:40 amGEG - SGU
1 stop5h 55mDelta
Deal found 9/14$383
This Delta deal was found by Cheapflights users on 9/12. 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.
Thu 9/2511:25 amSGU - BOI
1 stop5h 16mDelta
Sun 9/2811:27 amBOI - SGU
1 stop5h 25mDelta
Deal found 9/12$388
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 10/105:18 amSGU - IDA
1 stop4h 30mUnited Airlines
Sun 10/125:56 pmIDA - SGU
1 stop16h 00mUnited Airlines
Deal found 9/13$392

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 September 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 3/13

1:10 pm-4:33 pm

1 stop3h 23m

Jackson Hole

Tue 3/17

5:30 pm-10:05 pm

1 stop4h 35m

$218

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Fri 10/24

4:45 pm-11:32 pm

1 stop6h 47m

Boise Air Term. Gowen Fld

Mon 10/27

6:40 am-11:13 am

1 stop4h 33m

$218

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Mon 11/24

6:00 am-10:18 am

1 stop4h 18m

Boise Air Term. Gowen Fld

Wed 12/3

5:50 am-10:54 am

1 stop5h 04m

$218

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Tue 3/3

9:05 am-12:18 pm

1 stop3h 13m

Boise Air Term. Gowen Fld

Sat 3/7

5:45 pm-10:05 pm

1 stop4h 20m

$218

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Thu 10/30

12:15 pm-4:50 pm

1 stop4h 35m

Boise Air Term. Gowen Fld

Sun 11/2

5:37 am-10:02 am

1 stop4h 25m

$248

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Wed 10/8

1:10 pm-3:53 pm

1 stop3h 43m

Spokane

Mon 10/13

6:00 am-12:32 pm

1 stop5h 32m

$268

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 11/14

5:30 pm-10:52 pm

1 stop5h 22m

Idaho Falls Fanning Field

Sun 11/16

5:00 am-10:07 am

1 stop5h 07m

$278

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Fri 10/3

6:00 am-8:54 am

1 stop3h 54m

Spokane

Sun 10/5

9:40 am-4:52 pm

1 stop6h 12m

$298

Saint GeorgeJackson

SGU - JAC

SGUJAC

Saint George

Fri 3/13

11:27 am-4:33 pm

1 stop5h 06m

Jackson Hole

Sun 3/15

5:30 pm-10:05 pm

1 stop4h 35m

$343

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Sat 10/11

6:05 am-12:01 pm

1 stop6h 56m

Spokane

Sun 10/12

4:50 pm-9:51 pm

1 stop4h 01m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 37 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, October is the cheapest month in which you can book a flight from Saint George to Idaho (average of $314). Flying from Saint George to Idaho in June is currently the most expensive (average of $398). 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 September 15, 2025.

When flying from Saint George to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 2025.
Read through reviews of airlines operating flights from Saint George to Idaho, such as Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 18m. Delta provides one of the quickest options available for as low as $218. Saint George and Idaho are separated by a distance of 468 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 - Spokane, Saint George - Boise Air Term. Gowen Fld or Saint George - Idaho Falls Fanning Field 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, October is the cheapest month in which you can book a flight from Saint George to Idaho (average of $314). Flying from Saint George to Idaho in June is currently the most expensive (average of $398). 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 2 airlines flying from Saint George to Idaho

Discover the top 2 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$400FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$360FlexibilityNo cancel feeOn-time69%

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