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$171+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — BOI
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$218
(Delta)

One-way from

$171
(United Airlines)

Popular in

October

Cheapest in

December

Average price

$264
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. 15% potential increase in price ($65 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 July 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 julio 31, 2025.

This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/276:02 amSGU - BOI
1 stop3h 43mDelta
sáb. 8/306:00 pmBOI - SGU
1 stop3h 50mDelta
Deal found 7/31$218
This United Airlines deal was found by Cheapflights users on 7/29. 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.
mié. 8/1311:30 amSGU - BOI
1 stop4h 25mUnited Airlines
dom. 8/175:42 pmBOI - SGU
1 stop5h 15mUnited Airlines
Deal found 7/29$228
This Delta deal was found by Cheapflights users on 7/30. 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.
sáb. 12/137:05 pmSGU - GEG
1 stop4h 34mDelta
mar. 12/165:45 amGEG - SGU
1 stop3h 58mDelta
Deal found 7/30$238
This United Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 8/141:48 pmSGU - GEG
1 stop8h 15mUnited Airlines
lun. 8/185:15 amGEG - SGU
1 stop6h 54mUnited Airlines
Deal found 7/30$248
This United Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 10/235:30 pmSGU - IDA
1 stop5h 19mUnited Airlines
dom. 10/265:00 amIDA - SGU
1 stop5h 07mUnited Airlines
Deal found 7/30$278
This American Airlines deal was found by Cheapflights users on 7/28. 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.
vie. 10/37:30 amSGU - GEG
1 stop6h 44mAmerican Airlines
dom. 10/53:25 pmGEG - SGU
1 stop7h 45mAmerican Airlines
Deal found 7/28$328
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 9/177:30 amSGU - BOI
1 stop5h 47mAmerican Airlines
mié. 9/246:35 amBOI - SGU
1 stop4h 23mAmerican Airlines
Deal found 7/30$392
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/156:02 amSGU - IDA
1 stop4h 37mDelta
mar. 8/196:52 pmIDA - SGU
1 stop2h 58mDelta
Deal found 7/31$397
This United Airlines deal was found by Cheapflights users on 7/31. 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.
jue. 8/285:18 amSGU - JAC
1 stop4h 23mUnited Airlines
jue. 9/44:20 pmJAC - SGU
1 stop6h 34mUnited Airlines
Deal found 7/31$452

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 julio 31, 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 GeorgeBoise

SGU - BOI

SGUBOI

Saint George

mié. 8/27

6:02 am-9:45 am

1 stop3h 43m

Boise Air Term. Gowen Fld

sáb. 8/30

6:00 pm-9:50 pm

1 stop3h 50m

$218

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

mié. 8/13

11:30 am-3:55 pm

1 stop4h 25m

Boise Air Term. Gowen Fld

dom. 8/17

5:42 pm-10:57 pm

1 stop5h 15m

$228

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

jue. 8/14

1:48 pm-9:03 pm

1 stop8h 15m

Spokane

lun. 8/18

5:15 am-1:09 pm

1 stop6h 54m

$248

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

jue. 10/23

5:30 pm-10:49 pm

1 stop5h 19m

Idaho Falls Fanning Field

dom. 10/26

5:00 am-10:07 am

1 stop5h 07m

$278

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

vie. 10/3

7:30 am-1:14 pm

1 stop6h 44m

Spokane

dom. 10/5

3:25 pm-12:10 am

1 stop7h 45m

$328

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

jue. 8/14

11:25 am-4:13 pm

1 stop5h 48m

Spokane

lun. 8/18

5:00 am-2:40 pm

2 stops8h 40m

$335

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

mié. 9/17

7:30 am-1:17 pm

1 stop5h 47m

Boise Air Term. Gowen Fld

mié. 9/24

6:35 am-10:58 am

1 stop4h 23m

$392

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

vie. 8/15

6:02 am-10:39 am

1 stop4h 37m

Idaho Falls Fanning Field

mar. 8/19

6:52 pm-9:50 pm

1 stop2h 58m

$397

Saint GeorgeJackson

SGU - JAC

SGUJAC

Saint George

jue. 8/28

5:18 am-9:41 am

1 stop4h 23m

Jackson Hole

jue. 9/4

4:20 pm-10:54 pm

1 stop6h 34m

$452

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

lun. 9/15

5:33 pm-10:48 pm

1 stop5h 15m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 14 results
1
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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 julio 31, 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.

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 julio 31, 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
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Boarding

8.2

Food

7.3

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.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $171. Delta flights start at $205 while deals on American Airlines start at $253 one-way.

  • 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 - Spokane 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$385FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$433FlexibilityNo cancel feeOn-time69%

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