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Idaho Falls

$232+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — IDA
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This Delta deal was found by Cheapflights users on 1/21. 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 2/57:10 pm
SGU
-
IDA
1 stop3h 47m
Delta
Mon 2/96:35 pm
IDA
-
SGU
1 stop3h 18m
Delta
Deal found 1/21$268
This Delta deal was found by Cheapflights users on 1/21. 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 1/247:10 pm
SGU
-
IDA
1 stop3h 47m
Delta
Sun 1/256:35 pm
IDA
-
SGU
1 stop3h 18m
Delta
Deal found 1/21$308
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 1/275:10 am
SGU
-
IDA
1 stop4h 46m
United Airlines
Sat 1/314:19 pm
IDA
-
SGU
1 stop6h 45m
United Airlines
Deal found 1/19$348
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/55:10 am
SGU
-
IDA
1 stop4h 46m
United Airlines
Mon 2/94:19 pm
IDA
-
SGU
1 stop6h 45m
United Airlines
Deal found 1/21$379
This Delta deal was found by Cheapflights users on 1/20. 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 2/67:10 pm
SGU
-
IDA
1 stop3h 47m
Delta
Mon 2/96:35 pm
IDA
-
SGU
1 stop3h 18m
Delta
Deal found 1/20$436
This American Airlines deal was found by Cheapflights users on 1/21. 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 2/94:45 pm
SGU
-
IDA
1 stop29h 51m
American Airlines
Fri 2/136:03 am
IDA
-
SGU
1 stop33h 58m
American Airlines
Deal found 1/21$563
This United Airlines deal was found by Cheapflights users on 1/21. 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 1/255:10 am
SGU
-
IDA
1 stop4h 46m
United Airlines
Tue 1/276:30 am
IDA
-
SGU
1 stop7h 38m
United Airlines
Deal found 1/21$870

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$268
(Delta)

One-way from

$232
(American Airlines)

Popular in

April

Cheapest in

February

Average price

$383
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
Highest demand for flights based on searches. 13% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
Use the filters below to find and compare flights from Saint George to Idaho Falls that are best for you.

Fly from

Saint George

Fly to

Idaho Falls

Route

Depart

Return

Price

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Thu 2/5

7:10 pm-10:57 pm

1 stop3h 47m

Idaho Falls Fanning Field

Mon 2/9

6:35 pm-9:53 pm

1 stop3h 18m

$268

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Tue 1/27

5:10 am-9:56 am

1 stop4h 46m

Idaho Falls Fanning Field

Sat 1/31

4:19 pm-11:04 pm

1 stop6h 45m

$348

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Thu 2/5

5:10 am-9:56 am

1 stop4h 46m

Idaho Falls Fanning Field

Mon 2/9

4:19 pm-11:04 pm

1 stop6h 45m

$379

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 2/6

7:10 pm-10:57 pm

1 stop3h 47m

Idaho Falls Fanning Field

Mon 2/9

6:35 pm-9:53 pm

1 stop3h 18m

$436

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Sun 1/25

5:10 am-9:56 am

1 stop4h 46m

Idaho Falls Fanning Field

Tue 1/27

6:30 am-2:08 pm

1 stop7h 38m

$870

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Thu 2/19

4:31 pm-11:24 pm

1 stop6h 53m

$232

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Sat 2/21

5:13 am-9:46 am

1 stop4h 33m

$232

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 2/20

4:31 pm-11:24 pm

1 stop6h 53m

$232

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 2/6

4:45 pm-10:36 pm

1 stop5h 51m

$265

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Thu 2/19

11:24 am-8:58 pm

2 stops9h 34m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 11 results
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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Falls. Reviews last updated January 21, 2026.
Peruse reviews from past customers who have flown with Delta from Saint George to Idaho Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,088 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 47m. There are 451 mi between Saint George and Idaho Falls. This flight may include one or multiple stops.

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

    Flying on Delta is currently your cheapest option to Idaho Falls, with prices starting at $136. You may be able to fly from Saint George to Idaho Falls for 67% less than the average price by searching for this airline.

  • 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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Top airline flying from Saint George to Idaho Falls

Discover the top airline that operate flights from Saint George to Idaho Falls. 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$136Average$466FlexibilityNo cancel feeOn-timeN/A

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