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

United Airlines and American Airlines 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 July 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.

$278 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.

5:00 am - 9:35 am

SGU

BOI

4h 35m

1 stop

6:30 am - 1:10 pm

BOI

SGU

6h 40m

1 stop

$278United Airlines

Thu, Aug 20 - Sat, Aug 22

5:00 am - 9:35 am

SGU

BOI

4h 35m

1 stop

5:00 am - 10:20 am

BOI

SGU

5h 20m

1 stop

$288United Airlines

Mon, Aug 31 - Mon, Sep 7

5:50 am - 9:48 am

SGU

BOI

3h 58m

1 stop

6:00 am - 10:44 am

BOI

SGU

4h 44m

1 stop

$312Delta

Fri, Aug 28 - Sun, Aug 30

5:50 am - 8:58 am

SGU

GEG

4h 08m

1 stop

5:00 pm - 9:56 pm

GEG

SGU

3h 56m

1 stop

$334Delta

Sat, Aug 8 - Fri, Aug 14

7:30 am - 2:09 pm

SGU

GEG

7h 39m

1 stop

5:20 am - 11:10 am

GEG

SGU

4h 50m

1 stop

$340American Airlines

Tue, Aug 25 - Tue, Sep 1

8:34 am - 1:35 pm

SGU

BOI

5h 01m

1 stop

10:31 am - 6:12 pm

BOI

SGU

7h 41m

1 stop

$349United Airlines

Wed, Sep 16 - Sun, Sep 20

5:50 am - 8:58 am

SGU

GEG

4h 08m

1 stop

5:30 am - 10:44 am

GEG

SGU

4h 14m

1 stop

$354Delta

Thu, Aug 13 - Thu, Aug 20

5:50 am - 9:51 am

SGU

BOI

4h 01m

1 stop

6:44 pm - 9:57 pm

BOI

SGU

3h 13m

1 stop

$414Delta

Wed, Sep 30 - Mon, Oct 5

7:30 am - 7:39 pm

SGU

GEG

13h 09m

1 stop

6:30 am - 5:05 pm

GEG

SGU

9h 35m

1 stop

$423American Airlines

Sat, Sep 12 - Tue, Sep 15

7:30 am - 2:09 pm

SGU

GEG

7h 39m

1 stop

5:20 am - 11:10 am

GEG

SGU

4h 50m

1 stop

$433American Airlines

Fri, Aug 7 - Fri, Aug 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

Aug 20

SGU5:00 amSaint George

4h 35m

1 stop

BOI9:35 amBoise Air Term. Gowen Fld

Aug 22

BOI6:30 amBoise Air Term. Gowen Fld

6h 40m

1 stop

SGU1:10 pmSaint George

$278

United Airlines

Aug 31

SGU5:00 amSaint George

4h 35m

1 stop

BOI9:35 amBoise Air Term. Gowen Fld

Sep 7

BOI5:00 amBoise Air Term. Gowen Fld

5h 20m

1 stop

SGU10:20 amSaint George

$288

United Airlines

Jan 9

SGU5:10 amSaint George

4h 18m

1 stop

IDA9:28 amIdaho Falls Fanning Field

Jan 12

IDA5:57 pmIdaho Falls Fanning Field

4h 20m

1 stop

SGU10:17 pmSaint George

$348

Delta flights from Saint George to Idaho

Our best Delta deals on Saint George to Idaho flight tickets

Delta

Aug 28

SGU5:50 amSaint George

3h 58m

1 stop

BOI9:48 amBoise Air Term. Gowen Fld

Aug 30

BOI6:00 amBoise Air Term. Gowen Fld

4h 44m

1 stop

SGU10:44 amSaint George

$312

Delta

Aug 8

SGU5:50 amSaint George

4h 08m

1 stop

GEG8:58 amSpokane

Aug 14

GEG5:00 pmSpokane

3h 56m

1 stop

SGU9:56 pmSaint George

$334

Delta

Aug 13

SGU5:50 amSaint George

4h 08m

1 stop

GEG8:58 amSpokane

Aug 20

GEG5:30 amSpokane

4h 14m

1 stop

SGU10:44 amSaint George

$354

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Thu 8/20

5:00 am-9:35 am

1 stop4h 35m

Boise Air Term. Gowen Fld

Sat 8/22

6:30 am-1:10 pm

1 stop6h 40m

$278

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Mon 8/31

5:00 am-9:35 am

1 stop4h 35m

Boise Air Term. Gowen Fld

Mon 9/7

5:00 am-10:20 am

1 stop5h 20m

$288

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Fri 8/28

5:50 am-9:48 am

1 stop3h 58m

Boise Air Term. Gowen Fld

Sun 8/30

6:00 am-10:44 am

1 stop4h 44m

$312

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Sat 8/8

5:50 am-8:58 am

1 stop4h 08m

Spokane

Fri 8/14

5:00 pm-9:56 pm

1 stop3h 56m

$334

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Tue 8/25

7:30 am-2:09 pm

1 stop7h 39m

Spokane

Tue 9/1

5:20 am-11:10 am

1 stop4h 50m

$340

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 9/16

8:34 am-1:35 pm

1 stop5h 01m

Boise Air Term. Gowen Fld

Sun 9/20

10:31 am-6:12 pm

1 stop7h 41m

$349

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Thu 8/13

5:50 am-8:58 am

1 stop4h 08m

Spokane

Thu 8/20

5:30 am-10:44 am

1 stop4h 14m

$354

Quickest round-trip

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 9/30

5:50 am-9:51 am

1 stop4h 01m

Boise Air Term. Gowen Fld

Mon 10/5

6:44 pm-9:57 pm

1 stop3h 13m

$414

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Sat 9/12

7:30 am-7:39 pm

1 stop13h 09m

Spokane

Tue 9/15

6:30 am-5:05 pm

1 stop9h 35m

$423

Saint GeorgeSpokane

SGU - GEG

SGUGEG

Saint George

Fri 8/7

7:30 am-2:09 pm

1 stop7h 39m

Spokane

Fri 8/14

5:20 am-11:10 am

1 stop4h 50m

$433

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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, September 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 $218. If you don’t want to visit Idaho in September, then you should wait until August to fly from Saint George, when ticket prices are also cheap, with an average price of $228.

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

Fastest flight time	3h 45m
Direct flights	None

The fastest flight from Saint George to Idaho takes 3h 45m

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 July 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
Delta	PriceFrom $228	Free Cancellation	Rating 7.8 8,479 reviews		Search Delta flights
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 9,995 reviews		Search United Airlines 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.