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Idaho Falls

$221+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — IDA
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap 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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$313
(United Airlines)

One-way from

$221
(KAYAK)

Popular in

April

Cheapest in

February

Average price

$670
Provider with most accurate pricing for Saint George-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Saint George-Idaho Falls Fanning Field flights.
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From Saint George to Idaho Falls Fanning Field
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One-way flight from Saint George to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 9% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 octubre 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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. 12/255:10 amSGU - IDA
1 stop4h 48mUnited Airlines
jue. 1/14:05 pmIDA - SGU
1 stop6h 59mUnited Airlines
Deal found 10/27$313
This Delta deal was found by Cheapflights users on 10/30. 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.
dom. 11/235:30 pmSGU - IDA
1 stop4h 49mDelta
mié. 12/37:06 pmIDA - SGU
1 stop4h 59mDelta
Deal found 10/30$314
This United Airlines deal was found by Cheapflights users on 10/30. 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.
dom. 12/145:10 amSGU - IDA
1 stop4h 37mUnited Airlines
dom. 12/215:00 amIDA - SGU
1 stop5h 20mUnited Airlines
Deal found 10/30$323
This Delta deal was found by Cheapflights users on 10/30. 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.
dom. 11/235:30 pmSGU - IDA
1 stop4h 49mDelta
vie. 11/281:15 pmIDA - SGU
1 stop5h 27mDelta
Deal found 10/30$374
This Delta deal was found by Cheapflights users on 10/30. 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.
dom. 11/235:30 pmSGU - IDA
1 stop4h 49mDelta
dom. 11/306:00 amIDA - SGU
1 stop12h 42mDelta
Deal found 10/30$382
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/135:30 pmSGU - IDA
1 stop5h 22mUnited Airlines
lun. 11/175:00 amIDA - SGU
1 stop5h 07mUnited Airlines
Deal found 10/28$389
This Delta deal was found by Cheapflights users on 10/30. 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.
dom. 11/235:30 pmSGU - IDA
1 stop4h 49mDelta
sáb. 11/296:00 amIDA - SGU
1 stop4h 50mDelta
Deal found 10/30$394
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/121:45 pmSGU - IDA
1 stop7h 18mUnited Airlines
dom. 11/162:45 pmIDA - SGU
1 stop22h 22mUnited Airlines
Deal found 10/28$402
This Delta deal was found by Cheapflights users on 10/30. 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.
mar. 11/255:30 pmSGU - IDA
1 stop4h 49mDelta
mié. 12/37:06 pmIDA - SGU
1 stop4h 59mDelta
Deal found 10/30$410
This United Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 11/241:45 pmSGU - IDA
1 stop7h 18mUnited Airlines
sáb. 11/295:00 amIDA - SGU
1 stop5h 07mUnited Airlines
Deal found 10/30$429
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/141:45 pmSGU - IDA
1 stop7h 18mUnited Airlines
dom. 11/162:45 pmIDA - SGU
1 stop8h 13mUnited Airlines
Deal found 10/28$452
This Delta deal was found by Cheapflights users on 10/30. 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.
dom. 11/235:30 pmSGU - IDA
1 stop4h 49mDelta
jue. 11/276:00 amIDA - SGU
1 stop4h 50mDelta
Deal found 10/30$463

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 octubre 30, 2025.
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

jue. 12/25

5:10 am-9:58 am

1 stop4h 48m

Idaho Falls Fanning Field

jue. 1/1

4:05 pm-11:04 pm

1 stop6h 59m

$313

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

dom. 11/23

5:30 pm-10:19 pm

1 stop4h 49m

Idaho Falls Fanning Field

mié. 12/3

7:06 pm-12:05 am

1 stop4h 59m

$314

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

dom. 12/14

5:10 am-9:47 am

1 stop4h 37m

Idaho Falls Fanning Field

dom. 12/21

5:00 am-10:20 am

1 stop5h 20m

$323

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

jue. 11/13

5:30 pm-10:52 pm

1 stop5h 22m

Idaho Falls Fanning Field

lun. 11/17

5:00 am-10:07 am

1 stop5h 07m

$389

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

mié. 11/12

1:45 pm-9:03 pm

1 stop7h 18m

Idaho Falls Fanning Field

dom. 11/16

2:45 pm-1:07 pm

1 stop22h 22m

$402

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

jue. 11/27

5:10 am-9:47 am

1 stop4h 37m

Idaho Falls Fanning Field

vie. 11/28

4:15 pm-10:58 pm

1 stop6h 43m

$429

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

vie. 11/14

1:45 pm-9:03 pm

1 stop7h 18m

Idaho Falls Fanning Field

dom. 11/16

2:45 pm-10:58 pm

1 stop8h 13m

$452

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

dom. 11/23

5:30 pm-10:19 pm

1 stop4h 49m

Idaho Falls Fanning Field

jue. 11/27

6:00 am-10:50 am

1 stop4h 50m

$463

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

dom. 11/23

5:30 pm-10:19 pm

1 stop4h 49m

Idaho Falls Fanning Field

mar. 12/2

6:00 am-10:54 am

1 stop4h 54m

$463

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

sáb. 11/22

5:30 pm-10:52 pm

1 stop5h 22m

Idaho Falls Fanning Field

sáb. 11/29

5:00 am-10:07 am

1 stop5h 07m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 14 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Saint George-Idaho Falls flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Saint George to Idaho Falls

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

Find hourly flight availability from Saint George to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

One of the essential ways to save on airfare from Saint George to Idaho Falls is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 40% on airfare.

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 octubre 30, 2025.
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
7,998 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 4h 48m. 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 $218. You may be able to fly from Saint George to Idaho Falls for 50% 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$466FlexibilityNo cancel feeOn-timeN/A

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