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Cheap flights from Saint George to Idaho Falls from $218

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Saint George to Idaho Falls departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Saint George to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:15 pm - 10:21 pmSGU-IDA
3h 06m1 stop
Delta Logo
1:17 pm - 6:34 pmIDA-SGU
5h 17m1 stop
$218Delta
Find Deal
Fri, Dec 12 - Mon, Dec 15
United Airlines Logo
5:10 am - 9:58 amSGU-IDA
4h 48m1 stop
United Airlines Logo
4:05 pm - 11:04 pmIDA-SGU
6h 59m1 stop
$250United Airlines
Find Deal
Thu, Dec 18 - Mon, Jan 5
United Airlines Logo
5:36 pm - 10:59 pmSGU-IDA
5h 23m1 stop
United Airlines Logo
5:00 am - 10:20 amIDA-SGU
5h 20m1 stop
$313United Airlines
Find Deal
Tue, Dec 30 - Sat, Jan 3
United Airlines Logo
5:30 pm - 10:52 pmSGU-IDA
5h 22m1 stop
United Airlines Logo
4:15 pm - 10:58 pmIDA-SGU
6h 43m1 stop
$329United Airlines
Find Deal
Wed, Nov 5 - Sun, Nov 9
United Airlines Logo
5:36 pm - 10:59 pmSGU-IDA
5h 23m1 stop
United Airlines Logo
5:00 am - 10:20 amIDA-SGU
5h 20m1 stop
$361United Airlines
Find Deal
Tue, Dec 30 - Mon, Jan 5
Delta Logo
9:05 am - 12:31 pmSGU-IDA
3h 26m1 stop
Delta Logo
6:45 pm - 10:05 pmIDA-SGU
3h 20m1 stop
$382Delta
Find Deal
Wed, Mar 25 - Sat, Mar 28
United Airlines Logo
5:30 pm - 10:52 pmSGU-IDA
5h 22m1 stop
United Airlines Logo
5:00 am - 10:07 amIDA-SGU
5h 07m1 stop
$384United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
United Airlines Logo
5:36 pm - 10:59 pmSGU-IDA
5h 23m1 stop
United Airlines Logo
5:00 am - 10:20 amIDA-SGU
5h 20m1 stop
$419United Airlines
Find Deal
Mon, Dec 29 - Sat, Jan 3
American Airlines Logo
7:30 am - 10:36 pmSGU-IDA
39h 06m1 stop
American Airlines Logo
7:00 am - 4:16 pmIDA-SGU
33h 16m1 stop
$435American Airlines
Find Deal
Tue, Dec 2 - Sun, Dec 7
Delta Logo
9:05 am - 10:21 pmSGU-IDA
13h 16m1 stop
Delta Logo
6:45 pm - 10:05 pmIDA-SGU
3h 20m1 stop
$446Delta
Find Deal
Wed, Mar 25 - Sat, Mar 28

Delta flights from Saint George to Idaho Falls

Our best Delta deals on Saint George to Idaho Falls flight tickets
Delta
Dec 12
SGU7:15 pmSaint George
3h 06m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Dec 15
IDA1:17 pmIdaho Falls Fanning Field
5h 17m
1 stop
SGU6:34 pmSaint George
$218
Find similar
Delta
Mar 25
SGU9:05 amSaint George
3h 26m
1 stop
IDA12:31 pmIdaho Falls Fanning Field
Mar 28
IDA6:45 pmIdaho Falls Fanning Field
3h 20m
1 stop
SGU10:05 pmSaint George
$382
Find similar
Delta
Mar 25
SGU9:05 amSaint George
13h 16m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Mar 28
IDA6:45 pmIdaho Falls Fanning Field
3h 20m
1 stop
SGU10:05 pmSaint George
$446
Find similar

United Airlines flights from Saint George to Idaho Falls

Our best United Airlines deals on Saint George to Idaho Falls flight tickets
United Airlines
Dec 18
SGU5:10 amSaint George
4h 48m
1 stop
IDA9:58 amIdaho Falls Fanning Field
Jan 5
IDA4:05 pmIdaho Falls Fanning Field
6h 59m
1 stop
SGU11:04 pmSaint George
$250
Find similar
United Airlines
Dec 30
SGU5:36 pmSaint George
5h 23m
1 stop
IDA10:59 pmIdaho Falls Fanning Field
Jan 3
IDA5:00 amIdaho Falls Fanning Field
5h 20m
1 stop
SGU10:20 amSaint George
$313
Find similar
United Airlines
Nov 5
SGU5:30 pmSaint George
5h 22m
1 stop
IDA10:52 pmIdaho Falls Fanning Field
Nov 9
IDA4:15 pmIdaho Falls Fanning Field
6h 43m
1 stop
SGU10:58 pmSaint George
$329
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 23, 2025.
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

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 12/12

7:15 pm-10:21 pm

1 stop3h 06m

Idaho Falls Fanning Field

Mon 12/15

1:17 pm-6:34 pm

1 stop5h 17m

$218

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Thu 12/18

5:10 am-9:58 am

1 stop4h 48m

Idaho Falls Fanning Field

Mon 1/5

4:05 pm-11:04 pm

1 stop6h 59m

$250

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Tue 12/30

5:36 pm-10:59 pm

1 stop5h 23m

Idaho Falls Fanning Field

Sat 1/3

5:00 am-10:20 am

1 stop5h 20m

$313

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Wed 11/5

5:30 pm-10:52 pm

1 stop5h 22m

Idaho Falls Fanning Field

Sun 11/9

4:15 pm-10:58 pm

1 stop6h 43m

$329

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Tue 12/30

5:36 pm-10:59 pm

1 stop5h 23m

Idaho Falls Fanning Field

Mon 1/5

5:00 am-10:20 am

1 stop5h 20m

$361

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Wed 3/25

9:05 am-12:31 pm

1 stop3h 26m

Idaho Falls Fanning Field

Sat 3/28

6:45 pm-10:05 pm

1 stop3h 20m

$382

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 11/14

5:30 pm-10:52 pm

1 stop5h 22m

Idaho Falls Fanning Field

Sun 11/16

5:00 am-10:07 am

1 stop5h 07m

$384

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Mon 12/29

5:36 pm-10:59 pm

1 stop5h 23m

Idaho Falls Fanning Field

Sat 1/3

5:00 am-10:20 am

1 stop5h 20m

$419

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Tue 12/2

7:30 am-10:36 pm

1 stop39h 06m

Idaho Falls Fanning Field

Sun 12/7

7:00 am-4:16 pm

1 stop33h 16m

$435

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Wed 3/25

9:05 am-10:21 pm

1 stop13h 16m

Idaho Falls Fanning Field

Sat 3/28

6:45 pm-10:05 pm

1 stop3h 20m

$446

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Saint George to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Saint George and Idaho Falls?

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the evening. Flights from Saint George to Idaho Falls during this time can be as low as $378. Try not to purchase tickets in the morning because they tend to be around $418. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Saint George to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Saint George to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Saint George to Idaho Falls (SGU to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint George to Idaho Falls

Direct flights

None
There are no direct flights from Saint George to Idaho Falls. There are no popular flight routes from Saint George to Idaho Falls.
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  • How far is Saint George to Idaho Falls Fanning Field by plane?

    The distance between Saint George and Idaho Falls Fanning Field is about 447.0 mi. A reasonable flight in good conditions will take 3h 06m.

  • When did momondo last update prices for flights from Saint George Airport to Idaho Falls Fanning Field Airport?

    Prices for flights from Saint George Airport to Idaho Falls Fanning Field Airport refresh daily.

  • How many operators does momondo search for flights from Saint George Airport to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Saint George Airport to Idaho Falls Fanning Field Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint George Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Saint George to Idaho Falls?

Best airlines flying from Saint George to Idaho Falls

Compare and see reviews for airlines that fly from Saint George to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $218Free CancellationRating
7.9
7,982 reviews
Search Delta flights

Traveling to a place near Idaho Falls?

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

Why use momondo?

Why should I use momondo to find a flight deal from Saint George to Idaho Falls?

Finding the right flight to Idaho Falls from Saint George is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho Falls quick and easy, saving you time and money.

Can I find flights from Saint George to Idaho Falls with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Idaho Falls from Saint George with this policy.

How can momondo help me find flights from Saint George to Idaho Falls?

Once all potential Saint George to Idaho Falls flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Saint George to Idaho Falls right now. Can momondo alert me if prices change?

Price alerts on flights to Idaho Falls from Saint George are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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