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Cheap flights from Saint George to Idaho Falls from $215

This is the cheapest one-way 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 12/29. 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.
United Airlines Logo
5:10 am - 9:56 am
SGU
-
IDA
4h 46m1 stop
United Airlines Logo
4:19 pm - 11:04 pm
IDA
-
SGU
6h 45m1 stop
$278United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
5:10 am - 9:58 am
SGU
-
IDA
4h 48m1 stop
United Airlines Logo
5:00 am - 10:20 am
IDA
-
SGU
5h 20m1 stop
$289United Airlines
Tue, Dec 23 - Sat, Dec 27
United Airlines Logo
5:10 am - 9:58 am
SGU
-
IDA
4h 48m1 stop
United Airlines Logo
5:00 am - 10:20 am
IDA
-
SGU
5h 20m1 stop
$327United Airlines
Fri, Dec 26 - Tue, Dec 30
United Airlines Logo
5:10 am - 9:56 am
SGU
-
IDA
4h 46m1 stop
United Airlines Logo
4:19 pm - 11:04 pm
IDA
-
SGU
6h 45m1 stop
$340United Airlines
Tue, Jan 13 - Sat, Jan 17
United Airlines Logo
5:36 pm - 10:59 pm
SGU
-
IDA
5h 23m1 stop
United Airlines Logo
4:05 pm - 11:04 pm
IDA
-
SGU
6h 59m1 stop
$382United Airlines
Wed, Dec 24 - Sun, Dec 28
United Airlines Logo
5:10 am - 9:56 am
SGU
-
IDA
4h 46m1 stop
United Airlines Logo
4:19 pm - 11:04 pm
IDA
-
SGU
6h 45m1 stop
$403United Airlines
Thu, Jan 8 - Thu, Jan 15
United Airlines Logo
5:10 am - 9:56 am
SGU
-
IDA
4h 46m1 stop
United Airlines Logo
6:30 am - 4:05 pm
IDA
-
SGU
33h 35m2 stops
$507United Airlines
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
5:10 am - 9:56 am
SGU
-
IDA
4h 46m1 stop
United Airlines Logo
4:19 pm - 4:05 pm
IDA
-
SGU
47h 46m2 stops
$546United Airlines
Thu, Jan 8 - Thu, Jan 15
United Airlines Logo
12:25 pm - 3:22 pm
SGU
-
IDA
26h 57m2 stops
United Airlines Logo
5:00 am - 10:20 am
IDA
-
SGU
5h 20m1 stop
$564United Airlines
Tue, Dec 23 - Sat, Dec 27
United Airlines Logo
5:10 am - 9:58 am
SGU
-
IDA
4h 48m1 stop
United Airlines Logo
5:00 am - 4:25 pm
IDA
-
SGU
11h 25m2 stops
$579United Airlines
Thu, Dec 25 - Mon, Dec 29

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 26
SGU5:10 amSaint George
4h 48m
1 stop
IDA9:58 amIdaho Falls Fanning Field
Dec 30
IDA5:00 amIdaho Falls Fanning Field
5h 20m
1 stop
SGU10:20 amSaint George
$327
Find similar
United Airlines
Jan 13
SGU5:10 amSaint George
4h 46m
1 stop
IDA9:56 amIdaho Falls Fanning Field
Jan 17
IDA4:19 pmIdaho Falls Fanning Field
6h 45m
1 stop
SGU11:04 pmSaint George
$340
Find similar
United Airlines
Dec 25
SGU5:10 amSaint George
4h 48m
1 stop
IDA9:58 amIdaho Falls Fanning Field
Dec 29
IDA4:05 pmIdaho Falls Fanning Field
6h 59m
1 stop
SGU11:04 pmSaint George
$382
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 December 11, 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

Wed 1/14

5:10 am-9:56 am

1 stop4h 46m

Idaho Falls Fanning Field

Sat 1/17

4:19 pm-11:04 pm

1 stop6h 45m

$278

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Tue 12/23

5:10 am-9:58 am

1 stop4h 48m

Idaho Falls Fanning Field

Sat 12/27

5:00 am-10:20 am

1 stop5h 20m

$289

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Fri 12/26

5:10 am-9:58 am

1 stop4h 48m

Idaho Falls Fanning Field

Tue 12/30

5:00 am-10:20 am

1 stop5h 20m

$327

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Tue 1/13

5:10 am-9:56 am

1 stop4h 46m

Idaho Falls Fanning Field

Sat 1/17

4:19 pm-11:04 pm

1 stop6h 45m

$340

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Wed 12/24

5:36 pm-10:59 pm

1 stop5h 23m

Idaho Falls Fanning Field

Sun 12/28

4:05 pm-11:04 pm

1 stop6h 59m

$382

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Thu 1/8

5:10 am-9:56 am

1 stop4h 46m

Idaho Falls Fanning Field

Thu 1/15

4:19 pm-11:04 pm

1 stop6h 45m

$403

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Wed 1/14

5:10 am-9:56 am

1 stop4h 46m

Idaho Falls Fanning Field

Sat 1/17

6:30 am-4:05 pm

2 stops33h 35m

$507

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Thu 1/8

5:10 am-9:56 am

1 stop4h 46m

Idaho Falls Fanning Field

Thu 1/15

4:19 pm-4:05 pm

2 stops47h 46m

$546

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Tue 12/23

12:25 pm-3:22 pm

2 stops26h 57m

Idaho Falls Fanning Field

Sat 12/27

5:00 am-10:20 am

1 stop5h 20m

$564

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

Thu 12/25

5:10 am-9:58 am

1 stop4h 48m

Idaho Falls Fanning Field

Mon 12/29

5:00 am-4:25 pm

2 stops11h 25m

$579

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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 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

Fastest flight time

4h 46m

Direct flights

None
The fastest flight from Saint George to Idaho Falls takes 4h 46m
There are no direct flights from Saint George to Idaho Falls. There are no popular flight routes from Saint George to Idaho Falls.
Search flight deals

  • 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 4h 46m.

  • 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
8,007 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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