HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint George

$218+ Cheap flights from Idaho Falls to Saint George (IDA - SGU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SGU
ene. 8 — ene. 151
jue. 1/8
jue. 1/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho Falls to Saint George with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 diciembre 9, 2025.

This United Airlines deal was found by Cheapflights users on 12/8. 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. 12/315:00 amIDA - SGU
1 stop5h 20mUnited Airlines
jue. 1/85:10 amSGU - IDA
1 stop4h 46mUnited Airlines
Deal found 12/8$278
This United Airlines deal was found by Cheapflights users on 12/8. 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. 12/255:00 amIDA - SGU
1 stop5h 20mUnited Airlines
sáb. 12/275:36 pmSGU - IDA
1 stop5h 23mUnited Airlines
Deal found 12/8$308
This United Airlines deal was found by Cheapflights users on 12/8. 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. 12/315:00 amIDA - SGU
1 stop5h 20mUnited Airlines
vie. 1/25:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Deal found 12/8$313
This United Airlines deal was found by Cheapflights users on 12/7. 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.
mar. 12/305:00 amIDA - SGU
1 stop5h 20mUnited Airlines
sáb. 1/35:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Deal found 12/7$337
This United Airlines deal was found by Cheapflights users on 12/8. 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. 12/294:05 pmIDA - SGU
1 stop6h 59mUnited Airlines
jue. 1/85:10 amSGU - IDA
1 stop4h 46mUnited Airlines
Deal found 12/8$361
This United Airlines deal was found by Cheapflights users on 12/8. 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. 12/284:05 pmIDA - SGU
1 stop6h 59mUnited Airlines
jue. 1/85:10 amSGU - IDA
1 stop4h 46mUnited Airlines
Deal found 12/8$374
This United Airlines deal was found by Cheapflights users on 12/8. 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. 12/245:00 amIDA - SGU
1 stop5h 20mUnited Airlines
vie. 12/265:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Deal found 12/8$375
This United Airlines deal was found by Cheapflights users on 12/8. 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. 12/255:00 amIDA - SGU
1 stop5h 20mUnited Airlines
jue. 12/251:51 pmSGU - IDA
1 stop7h 23mUnited Airlines
Deal found 12/8$377
This American Airlines deal was found by Cheapflights users on 12/8. 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.
mié. 12/241:16 pmIDA - SGU
1 stop7h 31mAmerican Airlines
vie. 12/264:45 pmSGU - IDA
1 stop5h 36mAmerican Airlines
Deal found 12/8$378
This United Airlines deal was found by Cheapflights users on 12/8. 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. 12/225:00 amIDA - SGU
1 stop5h 20mUnited Airlines
dom. 12/285:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Deal found 12/8$382
This United Airlines deal was found by Cheapflights users on 12/8. 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. 12/295:00 amIDA - SGU
1 stop5h 20mUnited Airlines
sáb. 1/35:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Deal found 12/8$396

Find 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 diciembre 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$218
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$351
Provider with most accurate pricing for Idaho Falls Fanning Field-Saint George flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Saint George flights.
Search Deals
From Idaho Falls Fanning Field to Saint George
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 9, 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

jue. 1/15

4:19 pm-11:04 pm

1 stop6h 45m

Saint George

lun. 1/19

5:10 am-9:56 am

1 stop4h 46m

$218

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

mar. 2/10

5:25 am-10:49 am

1 stop5h 24m

Saint George

mar. 2/17

5:30 pm-10:21 pm

1 stop4h 51m

$248

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

jue. 2/12

5:25 am-10:47 am

1 stop5h 22m

Saint George

mar. 2/17

5:30 pm-10:21 pm

1 stop4h 51m

$248

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

mié. 2/11

6:35 pm-11:58 pm

1 stop5h 23m

Saint George

sáb. 2/14

7:05 pm-10:21 pm

1 stop3h 16m

$267

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

vie. 2/13

5:30 pm-11:05 pm

1 stop5h 35m

Saint George

lun. 2/16

5:13 am-9:48 am

1 stop4h 35m

$269

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

mié. 2/11

4:19 pm-11:04 pm

1 stop6h 45m

Saint George

lun. 2/16

5:13 am-9:48 am

1 stop4h 35m

$278

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

jue. 2/12

5:25 am-10:47 am

1 stop5h 22m

Saint George

sáb. 2/14

7:05 pm-10:21 pm

1 stop3h 16m

$282

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

mar. 2/10

5:25 am-10:49 am

1 stop5h 24m

Saint George

mié. 2/18

5:30 pm-10:21 pm

1 stop4h 51m

$282

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

vie. 2/13

6:25 pm-11:56 pm

1 stop5h 31m

Saint George

mar. 2/17

5:30 pm-10:21 pm

1 stop4h 51m

$282

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

sáb. 2/14

6:42 am-11:12 am

1 stop4h 30m

Saint George

jue. 2/19

4:31 pm-11:07 pm

1 stop6h 36m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 13 results
1
2

Compare providers for flights from Idaho Falls to Saint George

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 Idaho Falls to Saint George in December.
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 Idaho Falls-Saint George flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-Saint George flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Idaho Falls-Saint George flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Saint George 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 Idaho Falls-Saint George 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 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 month to book a flight from Idaho Falls to Saint George?

Currently, February is the cheapest month in which you can book a flight from Idaho Falls to Saint George (average of $245). Flying from Idaho Falls to Saint George in June is currently the most expensive (average of $611). 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 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 diciembre 9, 2025.

When flying from Idaho Falls to Saint George, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 25% versus a flight in the evening.

How much does it cost to fly round-trip from Idaho Falls to Saint George?

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 diciembre 9, 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
7.9
Good
8,011 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Comfort

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Comfort

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 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 and Delta fly from Idaho Falls to Saint George in about 5h 24m. The time it takes to get you to your destination can typically vary by up to 1h 21m. Airlines will cover a distance of 451 mi. This flight may include one or multiple stops.

  • 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 55% 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, February is the cheapest month in which you can book a flight from Idaho Falls to Saint George (average of $245). Flying from Idaho Falls to Saint George in June is currently the most expensive (average of $611). 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
Springdale
Hurricane

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 diciembre 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$398FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.