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Idaho Falls

$258+ Cheap flights from Saint George to Idaho Falls (SGU - IDA)

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — IDA
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Saint George to Idaho Falls

Cheapest flights from Saint George to Idaho Falls
Explore the most affordable flight options available from Saint George to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/22. 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 8/155:00 am
SGU
-
IDA
1 stop4h 51m
United Airlines
Mon 8/174:04 pm
IDA
-
SGU
1 stop6h 10m
United Airlines
Deal found 7/22$374
This United Airlines deal was found by Cheapflights users on 7/23. 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 7/245:10 am
SGU
-
IDA
1 stop4h 40m
United Airlines
Sat 7/2510:35 am
IDA
-
SGU
1 stop7h 38m
United Airlines
Deal found 7/23$406
This Delta deal was found by Cheapflights users on 7/22. 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 8/153:20 pm
SGU
-
IDA
1 stop3h 00m
Delta
Sat 8/2211:35 am
IDA
-
SGU
1 stop3h 08m
Delta
Deal found 7/22$432
This Delta deal was found by Cheapflights users on 7/26. 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 9/45:50 am
SGU
-
IDA
1 stop5h 00m
Delta
Mon 9/76:00 am
IDA
-
SGU
1 stop4h 44m
Delta
Deal found 7/26$508
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/191:50 pm
SGU
-
IDA
1 stop7h 28m
United Airlines
Fri 8/215:53 pm
IDA
-
SGU
1 stop4h 21m
United Airlines
Deal found 7/24$516
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/75:41 pm
SGU
-
IDA
1 stop19h 44m
United Airlines
Tue 8/117:00 am
IDA
-
SGU
1 stop6h 15m
United Airlines
Deal found 7/22$557
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/155:00 am
SGU
-
IDA
1 stop4h 51m
United Airlines
Sat 8/224:04 pm
IDA
-
SGU
2 stops24h 11m
United Airlines
Deal found 7/22$614
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/95:10 am
SGU
-
IDA
1 stop4h 40m
United Airlines
Thu 8/134:04 pm
IDA
-
SGU
1 stop6h 10m
United Airlines
Deal found 7/25$634

Find flight deals from Saint George to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Saint George (SGU) to Idaho Falls (IDA). 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$374
(United Airlines)

One-way from

$258
(United Airlines)
Provider with most accurate pricing for Saint George-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Saint George-Idaho Falls Fanning Field flights.
Search Deals
From Saint George to Idaho Falls Fanning Field
Search Deals
One-way flight from Saint George to Idaho Falls Fanning Field
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint George to Idaho Falls 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 July 27, 2026.
Use the filters below to find and compare flights from Saint George to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Sat 8/15

3:20 pm-6:20 pm

1 stop3h 00m

Idaho Falls Fanning Field

Sat 8/22

11:35 am-2:43 pm

1 stop3h 08m

$432

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 9/4

5:50 am-10:50 am

1 stop5h 00m

Idaho Falls Fanning Field

Mon 9/7

6:00 am-10:44 am

1 stop4h 44m

$508

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 8/7

5:41 pm-1:25 pm

1 stop19h 44m

Idaho Falls Fanning Field

Tue 8/11

7:00 am-1:15 pm

1 stop6h 15m

$557

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Wed 8/19

5:00 am-9:51 am

1 stop4h 51m

Idaho Falls Fanning Field

Fri 8/21

2:25 pm-11:55 am

2 stops21h 30m

$583

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Sat 8/15

5:00 am-9:51 am

1 stop4h 51m

Idaho Falls Fanning Field

Sat 8/22

4:04 pm-4:15 pm

2 stops24h 11m

$614

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Tue 8/11

5:00 am-9:51 am

1 stop4h 51m

Idaho Falls Fanning Field

Wed 8/12

7:00 am-1:15 pm

1 stop6h 15m

$634

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Sun 8/9

5:10 am-9:50 am

1 stop4h 40m

Idaho Falls Fanning Field

Thu 8/13

4:04 pm-10:14 pm

1 stop6h 10m

$634

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 9/4

5:00 am-9:51 am

1 stop4h 51m

Idaho Falls Fanning Field

Mon 9/7

2:25 pm-7:10 pm

2 stops52h 45m

$702

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Wed 8/12

10:55 am-3:23 pm

1 stop4h 28m

Idaho Falls Fanning Field

Wed 8/12

5:53 pm-1:15 pm

1 stop19h 22m

$837
Cheapest one-way
Quickest one-way

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Sat 8/29

5:00 am-9:51 am

1 stop4h 51m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Saint George to Idaho Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Saint George to Idaho Falls in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Saint George-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint George-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint George-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Saint George-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint George-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls 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.

Related info for your journey

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

    Departing from Saint George to Idaho Falls will take you 3h. There are 451 mi between Saint George and Idaho Falls. This flight may include one or multiple stops.

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

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

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

    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 Falls.

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

    Yes. Cheapflights offers flight deals from Saint George to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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