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$148+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$218
(Delta)

One-way from

$148
(Delta)

Popular in

October

Cheapest in

December

Average price

$368
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. 11% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

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.
Thu 7/106:02 amSGU - BOI
1 stop3h 24mDelta
Thu 7/1712:50 pmBOI - SGU
1 stop5h 45mDelta
Deal found 6/10$218
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.
Tue 7/86:02 amSGU - GEG
1 stop3h 51mDelta
Tue 7/151:10 pmGEG - SGU
1 stop4h 25mDelta
Deal found 6/10$290
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/61:48 pmSGU - GEG
1 stop8h 15mUnited Airlines
Mon 8/115:15 amGEG - SGU
1 stop6h 54mUnited Airlines
Deal found 6/10$308
This United Airlines deal was found by Cheapflights users on 6/9. 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 6/135:25 pmSGU - IDA
1 stop5h 26mUnited Airlines
Wed 6/185:00 amIDA - SGU
1 stop4h 52mUnited Airlines
Deal found 6/9$328
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/255:05 amSGU - BOI
1 stop4h 41mUnited Airlines
Sun 6/295:00 amBOI - SGU
1 stop4h 56mUnited Airlines
Deal found 6/10$407
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.
Mon 7/149:00 amSGU - IDA
1 stop5h 24mDelta
Wed 7/1611:20 amIDA - SGU
1 stop3h 20mDelta
Deal found 6/12$417
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/125:05 amSGU - JAC
1 stop4h 38mUnited Airlines
Mon 6/168:00 amJAC - SGU
1 stop7h 47mUnited Airlines
Deal found 6/10$428
This Delta deal was found by Cheapflights users on 6/9. 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.
Mon 7/213:15 pmSGU - JAC
1 stop5h 34mDelta
Thu 7/241:00 pmJAC - SGU
1 stop5h 35mDelta
Deal found 6/9$612
This American Airlines deal was found by Cheapflights users on 6/9. 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 6/237:04 pmSGU - JAC
2 stops17h 14mAmerican Airlines
Fri 6/274:30 pmJAC - SGU
2 stops18h 23mAmerican Airlines
Deal found 6/9$803

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 June 12, 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

Thu 7/10

6:02 am-9:26 am

1 stop3h 24m

Boise Air Term. Gowen Fld

Thu 7/17

12:50 pm-6:35 pm

1 stop5h 45m

$218

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Tue 7/8

6:02 am-8:53 am

1 stop3h 51m

Spokane

Tue 7/15

1:10 pm-6:35 pm

1 stop4h 25m

$290

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Wed 8/6

1:48 pm-9:03 pm

1 stop8h 15m

Spokane

Mon 8/11

5:15 am-1:09 pm

1 stop6h 54m

$308

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 6/25

5:05 am-9:46 am

1 stop4h 41m

Boise Air Term. Gowen Fld

Sun 6/29

5:00 am-9:56 am

1 stop4h 56m

$407

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Mon 7/14

9:00 am-2:24 pm

1 stop5h 24m

Idaho Falls Fanning Field

Wed 7/16

11:20 am-2:40 pm

1 stop3h 20m

$417

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Sat 6/28

5:05 am-5:22 pm

1 stop12h 17m

Idaho Falls Fanning Field

Mon 6/30

4:13 pm-10:57 pm

1 stop6h 44m

$427

Saint GeorgeJackson

SGU - JAC

SGUJAC

Saint George

Wed 6/25

3:18 pm-8:58 pm

1 stop5h 40m

Jackson Hole

Wed 7/2

7:30 am-12:35 pm

1 stop5h 05m

$428

Saint GeorgeJackson

SGU - JAC

SGUJAC

Saint George

Mon 6/23

5:05 am-9:43 am

1 stop4h 38m

Jackson Hole

Fri 6/27

7:00 am-9:56 am

1 stop26h 56m

$480

Saint GeorgeJackson

SGU - JAC

SGUJAC

Saint George

Mon 6/23

7:04 pm-12:18 pm

2 stops17h 14m

Jackson Hole

Fri 6/27

4:30 pm-10:53 am

2 stops18h 23m

$803

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Sat 7/5

6:03 am-8:56 am

1 stop3h 53m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 18 results
1
2

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 $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 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 June 12, 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.

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.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Saint George to Idaho. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

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
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

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 Delta, which is currently one of the cheapest options available, starting at $148. American Airlines flights start at $175 while deals on United Airlines start at $339 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 - Idaho Falls Fanning Field, Saint George - Spokane or Saint George - Jackson Hole 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 $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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$360FlexibilityNo cancel feeOn-time69%
DeltaCheapest$218Average$403FlexibilityNo cancel feeOn-timeN/A

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