What is the cheapest airline that flies from Saint George to Idaho?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Saint George to Idaho

When did momondo last update prices for flights from Saint George Airport to Idaho?

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

How many operators does momondo search for flights from Saint George Airport to Idaho?

As of September 2026, there are 2 operators available to choose from for flights from Saint George Airport to Idaho.

How old do you have to be to fly from Saint George Airport to Idaho?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Saint George Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$267 Cheap Flights from Saint George to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Saint George to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 pm - 10:50 pmSGU Saint George-BOI Boise Air Term. Gowen Fld

4h 50m1 stop Phoenix Sky Harbor Intl

6:17 am - 11:04 amBOI Boise Air Term. Gowen Fld-SGU Saint George

4h 47m1 stop Phoenix Sky Harbor Intl

$334American Airlines

Wed, Oct 7 - Wed, Oct 14

11:34 am - 5:04 pmSGU Saint George-BOI Boise Air Term. Gowen Fld

5h 30m1 stop Phoenix Sky Harbor Intl

6:17 am - 11:04 amBOI Boise Air Term. Gowen Fld-SGU Saint George

4h 47m1 stop Phoenix Sky Harbor Intl

$334American Airlines

Sat, Oct 10 - Sat, Oct 17

5:59 pm - 10:57 pmSGU Saint George-BOI Boise Air Term. Gowen Fld

4h 58m1 stop Phoenix Sky Harbor Intl

6:06 am - 11:17 amBOI Boise Air Term. Gowen Fld-SGU Saint George

5h 11m1 stop Phoenix Sky Harbor Intl

$372American Airlines

Mon, Nov 16 - Mon, Nov 23

6:00 pm - 11:01 pmSGU Saint George-GEG Spokane

6h 01m1 stop Phoenix Sky Harbor Intl

6:30 am - 2:40 pmGEG Spokane-SGU Saint George

7h 10m1 stop Phoenix Sky Harbor Intl

$380American Airlines

Thu, Oct 15 - Tue, Oct 20

5:50 am - 9:07 amSGU Saint George-GEG Spokane

4h 17m1 stop Salt Lake City

9:53 am - 2:44 pmGEG Spokane-SGU Saint George

3h 51m1 stop Salt Lake City

$400Delta

Sat, Oct 24 - Sun, Oct 25

5:10 am - 9:28 amSGU Saint George-IDA Idaho Falls Fanning Field

4h 18m1 stop Denver Intl

4:17 pm - 10:17 pmIDA Idaho Falls Fanning Field-SGU Saint George

6h 00m1 stop Denver Intl

$415United Airlines

Sat, Dec 12 - Sun, Jan 10

5:00 am - 9:53 amSGU Saint George-IDA Idaho Falls Fanning Field

4h 53m1 stop Denver Intl

5:51 pm - 10:14 pmIDA Idaho Falls Fanning Field-SGU Saint George

4h 23m1 stop Denver Intl

$443United Airlines

Thu, Oct 1 - Sun, Oct 4

5:50 am - 9:07 amSGU Saint George-GEG Spokane

4h 17m1 stop Salt Lake City

5:10 am - 2:44 pmGEG Spokane-SGU Saint George

8h 34m2 stops Seattle/Tacoma Intl Salt Lake City

$450Delta

Sat, Oct 24 - Sun, Oct 25

5:00 am - 9:51 amSGU Saint George-IDA Idaho Falls Fanning Field

4h 51m1 stop Denver Intl

5:51 pm - 10:14 pmIDA Idaho Falls Fanning Field-SGU Saint George

4h 23m1 stop Denver Intl

$466United Airlines

Tue, Sep 22 - Sat, Sep 26

5:50 am - 9:51 amSGU Saint George-BOI Boise Air Term. Gowen Fld

4h 01m1 stop Salt Lake City

11:03 am - 2:46 pmBOI Boise Air Term. Gowen Fld-SGU Saint George

3h 43m1 stop Salt Lake City

$467Delta

Fri, Sep 25 - Tue, Sep 29

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 am - 9:34 amSGU Saint George-BOI Boise Air Term. Gowen Fld

4h 34m1 stop Denver Intl

5:40 pm - 10:14 pmBOI Boise Air Term. Gowen Fld-SGU Saint George

4h 34m1 stop Denver Intl

$378United Airlines

Sat, Sep 12 - Mon, Sep 14

5:50 am - 9:01 amSGU Saint George-GEG Spokane

4h 11m1 stop Salt Lake City

5:24 am - 10:48 amGEG Spokane-SGU Saint George

4h 24m1 stop Salt Lake City

$510Delta

Thu, Sep 10 - Mon, Sep 14

1:50 pm - 9:18 pmSGU Saint George-IDA Idaho Falls Fanning Field

7h 28m1 stop Denver Intl

4:04 pm - 10:14 pmIDA Idaho Falls Fanning Field-SGU Saint George

6h 10m1 stop Denver Intl

$690United Airlines

Fri, Sep 11 - Mon, Sep 14

10:16 am - 9:31 pmSGU Saint George-BOI Boise Air Term. Gowen Fld

11h 15m2 stops Los Angeles San Francisco

5:40 pm - 10:14 pmBOI Boise Air Term. Gowen Fld-SGU Saint George

4h 34m1 stop Denver Intl

$752United Airlines

Sat, Sep 12 - Mon, Sep 14

8:34 am - 3:23 pmSGU Saint George-IDA Idaho Falls Fanning Field

6h 49m1 stop Denver Intl

4:04 pm - 7:10 pmIDA Idaho Falls Fanning Field-SGU Saint George

27h 06m2 stops Denver Intl Los Angeles

$774United Airlines

Fri, Sep 11 - Mon, Sep 14

10:16 am - 12:35 pmSGU Saint George-GEG Spokane

27h 19m2 stops Los Angeles Denver Intl

3:54 pm - 10:14 pmGEG Spokane-SGU Saint George

5h 20m1 stop Denver Intl

$817United Airlines

Thu, Sep 10 - Mon, Sep 14

10:16 am - 3:11 pmSGU Saint George-GEG Spokane

29h 55m2 stops Los Angeles Denver Intl

3:54 pm - 7:10 pmGEG Spokane-SGU Saint George

26h 16m2 stops Denver Intl Los Angeles

$1,002United Airlines

Thu, Sep 10 - Mon, Sep 14

10:16 am - 7:19 pmSGU Saint George-BOI Boise Air Term. Gowen Fld

9h 03m2 stops Los Angeles San Francisco

11:50 am - 7:10 pmBOI Boise Air Term. Gowen Fld-SGU Saint George

7h 20m2 stops San Francisco Los Angeles

$1,048United Airlines

Sat, Sep 12 - Mon, Sep 14

10:16 am - 3:23 pmSGU Saint George-IDA Idaho Falls Fanning Field

29h 07m2 stops Los Angeles Denver Intl

4:04 pm - 7:10 pmIDA Idaho Falls Fanning Field-SGU Saint George

27h 06m2 stops Denver Intl Los Angeles

$1,328United Airlines

Fri, Sep 11 - Mon, Sep 14

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United Airlines flights from Saint George to Idaho

Our best United Airlines deals on Saint George to Idaho flight tickets

United Airlines

Sep 12

SGU5:00 amSaint George

4h 34m

1 stop

BOI9:34 amBoise Air Term. Gowen Fld

Sep 14

BOI5:40 pmBoise Air Term. Gowen Fld

4h 34m

1 stop

SGU10:14 pmSaint George

$378

United Airlines

Dec 12

SGU5:10 amSaint George

4h 18m

1 stop

IDA9:28 amIdaho Falls Fanning Field

Jan 10

IDA4:17 pmIdaho Falls Fanning Field

6h 00m

1 stop

SGU10:17 pmSaint George

$415

United Airlines

Oct 1

SGU5:00 amSaint George

4h 53m

1 stop

IDA9:53 amIdaho Falls Fanning Field

Oct 4

IDA5:51 pmIdaho Falls Fanning Field

4h 23m

1 stop

SGU10:14 pmSaint George

$443

American Airlines flights from Saint George to Idaho

Our best American Airlines deals on Saint George to Idaho flight tickets

American Airlines

Oct 7

SGU6:00 pmSaint George

4h 50m

1 stop

BOI10:50 pmBoise Air Term. Gowen Fld

Oct 14

BOI6:17 amBoise Air Term. Gowen Fld

4h 47m

1 stop

SGU11:04 amSaint George

$334

American Airlines

Nov 16

SGU5:59 pmSaint George

4h 58m

1 stop

BOI10:57 pmBoise Air Term. Gowen Fld

Nov 23

BOI6:06 amBoise Air Term. Gowen Fld

5h 11m

1 stop

SGU11:17 amSaint George

$372

American Airlines

Oct 15

SGU6:00 pmSaint George

6h 01m

1 stop

GEG11:01 pmSpokane

Oct 20

GEG6:30 amSpokane

7h 10m

1 stop

SGU2:40 pmSaint George

$380

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Wed 10/7

6:00 pm-10:50 pm

1 stop4h 50m

Boise Air Term. Gowen Fld

Wed 10/14

6:17 am-11:04 am

1 stop4h 47m

$334

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Sat 10/10

11:34 am-5:04 pm

1 stop5h 30m

Boise Air Term. Gowen Fld

Sat 10/17

6:17 am-11:04 am

1 stop4h 47m

$334

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Mon 11/16

5:59 pm-10:57 pm

1 stop4h 58m

Boise Air Term. Gowen Fld

Mon 11/23

6:06 am-11:17 am

1 stop5h 11m

$372

Saint GeorgeSpokane

SGU Saint George - GEG Spokane

SGUGEG

Saint George

Thu 10/15

6:00 pm-11:01 pm

1 stop6h 01m

Spokane

Tue 10/20

6:30 am-2:40 pm

1 stop7h 10m

$380

Saint GeorgeSpokane

SGU Saint George - GEG Spokane

SGUGEG

Saint George

Sat 10/24

5:50 am-9:07 am

1 stop4h 17m

Spokane

Sun 10/25

9:53 am-2:44 pm

1 stop3h 51m

$400

Saint GeorgeIdaho Falls

SGU Saint George - IDA Idaho Falls Fanning Field

SGUIDA

Saint George

Sat 12/12

5:10 am-9:28 am

1 stop4h 18m

Idaho Falls Fanning Field

Sun 1/10

4:17 pm-10:17 pm

1 stop6h 00m

$415

Saint GeorgeIdaho Falls

SGU Saint George - IDA Idaho Falls Fanning Field

SGUIDA

Saint George

Thu 10/1

5:00 am-9:53 am

1 stop4h 53m

Idaho Falls Fanning Field

Sun 10/4

5:51 pm-10:14 pm

1 stop4h 23m

$443

Saint GeorgeSpokane

SGU Saint George - GEG Spokane

SGUGEG

Saint George

Sat 10/24

5:50 am-9:07 am

1 stop4h 17m

Spokane

Sun 10/25

5:10 am-2:44 pm

2 stops8h 34m

$450

Saint GeorgeIdaho Falls

SGU Saint George - IDA Idaho Falls Fanning Field

SGUIDA

Saint George

Tue 9/22

5:00 am-9:51 am

1 stop4h 51m

Idaho Falls Fanning Field

Sat 9/26

5:51 pm-10:14 pm

1 stop4h 23m

$466

Quickest round-trip

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Fri 9/25

5:50 am-9:51 am

1 stop4h 01m

Boise Air Term. Gowen Fld

Tue 9/29

11:03 am-2:46 pm

1 stop3h 43m

$467

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, February is the cheapest month to fly from Saint George to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $258. If you don’t want to visit Idaho in February, then you should wait until April to fly from Saint George, when ticket prices are also cheap, with an average price of $300.

Cheap Saint George to Idaho flight deals and tips

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

Best Price Found	$267
Fastest flight time	3h 18m
Direct flights	None

The best one-way flight to Idaho from Saint George in the past 72 hours is $267. The best round-trip flight deal from Saint George to Idaho found on momondo in the last 72 hours is $334.

The fastest flight from Saint George to Idaho takes 3h 18m

There are no direct flights from Saint George to Idaho. There are no popular flight routes from Saint George to Idaho.

Search flight deals

Frequently asked questions about flying from Saint George to Idaho

When did momondo last update prices for flights from Saint George Airport to Idaho?
Prices for flights from Saint George Airport to Idaho refresh daily.
How many operators does momondo search for flights from Saint George Airport to Idaho?
As of September 2026, there are 2 operators available to choose from for flights from Saint George Airport to Idaho.
How old do you have to be to fly from Saint George Airport to Idaho?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Saint George Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Saint George to Idaho

Compare and see reviews for airlines that fly from Saint George to Idaho with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $293	Free Cancellation	Rating 7.4 10,188 reviews		Search United Airlines flights
Delta	PriceFrom $302	Free Cancellation	Rating 7.8 8,554 reviews		Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Saint George to Idaho. momondo saves you time and could save you money on your trip.

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

Flights from Saint George to Idaho with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Saint George and Idaho by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from Saint George and alert you when they change.