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Saint George

$141+ Cheap flights from Idaho Falls to Saint George (IDA - SGU)

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.
IDA — SGU
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
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Cheap flight deals from Idaho Falls to Saint George

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Saint George (SGU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 19, 2025.

Round-trip from

$228
(United Airlines)

One-way from

$141
(United Airlines)

Popular in

April

Cheapest in

March

Average price

$416
From Idaho Falls Fanning Field to Saint George
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One-way flight from Idaho Falls Fanning Field to Saint George
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Highest demand for flights based on searches. 10% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 16% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Idaho Falls to Saint George

Cheapest flights from Idaho Falls to Saint George
Explore the most affordable flight options available from Idaho Falls to Saint George. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

This United Airlines deal was found by Cheapflights users on 8/19. 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 9/35:00 amIDA - SGU
1 stop4h 56mUnited Airlines
Sun 9/75:18 amSGU - IDA
1 stop4h 29mUnited Airlines
Deal found 8/19$228
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/25:00 amIDA - SGU
1 stop4h 56mUnited Airlines
Sat 9/61:48 pmSGU - IDA
1 stop7h 06mUnited Airlines
Deal found 8/18$288
This United Airlines deal was found by Cheapflights users on 8/17. 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 8/304:00 pmIDA - SGU
1 stop6h 54mUnited Airlines
Thu 9/45:33 pmSGU - IDA
1 stop5h 15mUnited Airlines
Deal found 8/17$303
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/245:00 amIDA - SGU
1 stop4h 56mUnited Airlines
Mon 10/275:30 pmSGU - IDA
1 stop5h 22mUnited Airlines
Deal found 8/18$419
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sun 11/309:35 pmIDA - SGU
1 stop15h 32mUnited Airlines
Mon 12/85:00 amSGU - IDA
1 stop4h 47mUnited Airlines
Deal found 8/19$453
This United Airlines deal was found by Cheapflights users on 8/18. 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 8/295:56 pmIDA - SGU
1 stop4h 58mUnited Airlines
Fri 9/55:33 pmSGU - IDA
1 stop5h 15mUnited Airlines
Deal found 8/18$472
This United Airlines deal was found by Cheapflights users on 8/18. 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 8/225:56 pmIDA - SGU
1 stop4h 58mUnited Airlines
Mon 8/251:48 pmSGU - IDA
1 stop7h 06mUnited Airlines
Deal found 8/18$497

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Saint George 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 August 19, 2025.
Use the filters below to find and compare flights from Idaho Falls to Saint George that are best for you.

Fly from

Idaho Falls

Fly to

Saint George

Route

Depart

Return

Price

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Wed 9/3

5:00 am-9:56 am

1 stop4h 56m

Saint George

Sun 9/7

5:18 am-9:47 am

1 stop4h 29m

$228

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Tue 9/2

5:00 am-9:56 am

1 stop4h 56m

Saint George

Sat 9/6

1:48 pm-8:54 pm

1 stop7h 06m

$288

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Sat 8/30

4:00 pm-10:54 pm

1 stop6h 54m

Saint George

Thu 9/4

5:33 pm-10:48 pm

1 stop5h 15m

$303

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Fri 10/24

5:00 am-9:56 am

1 stop4h 56m

Saint George

Mon 10/27

5:30 pm-10:52 pm

1 stop5h 22m

$419

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Sun 11/30

9:35 pm-1:07 pm

1 stop15h 32m

Saint George

Mon 12/8

5:00 am-9:47 am

1 stop4h 47m

$453

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Fri 8/29

5:56 pm-10:54 pm

1 stop4h 58m

Saint George

Fri 9/5

5:33 pm-10:48 pm

1 stop5h 15m

$472

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Mon 9/15

5:56 pm-10:54 pm

1 stop4h 58m

$141

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Sat 9/13

5:00 am-9:56 am

1 stop4h 56m

$171

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Sun 8/24

5:56 pm-10:54 pm

1 stop4h 58m

$305

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Sun 8/24

11:20 am-2:40 pm

1 stop3h 20m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 12 results
1
2

Best time to book a flight from Idaho Falls to Saint George

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

What is the cheapest time of day to fly from IDA to SGU?

Find hourly flight availability from Idaho Falls to Saint George. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 19, 2025.

When flying from Idaho Falls to Saint George, 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 Saint George

Get insights into the airlines that provide service to Saint George. 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 Saint George. Reviews last updated August 19, 2025.
See what other customers who have flown with Delta from Idaho Falls to Saint George have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 Idaho Falls to Saint George. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like United Airlines fly from Idaho Falls to Saint George in about 4h 56m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 451 mi.

  • What is the cheapest airline to fly from Idaho Falls to Saint George round-trip?

    Currently priced at $218, Delta will fly you from Idaho Falls to Saint George and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Delta is 59% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Idaho Falls to Saint George (average of $323). Flying from Idaho Falls to Saint George in May is currently the most expensive (average of $503). 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

Traveling to a place near Saint George?

Book flights to Saint George if you plan to visit one of these locations
Hurricane
Springdale

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Top airline flying from Idaho Falls to Saint George

Discover the top airline that operate flights from Idaho Falls to Saint George. 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 August 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$416FlexibilityNo cancel feeOn-timeN/A

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