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Cheap flights from Saint George to Boise from $258

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 Boise departing on 9/14. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Saint George to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:50 pm - 9:37 pmSGU  Saint George-BOI Boise Air Term. Gowen Fld
7h 47m1 stop Denver Intl
United Airlines Logo
5:00 am - 10:20 amBOI  Boise Air Term. Gowen Fld-SGU Saint George
5h 20m1 stop Denver Intl
$318United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
5:00 am - 9:35 amSGU  Saint George-BOI Boise Air Term. Gowen Fld
4h 35m1 stop Denver Intl
United Airlines Logo
10:36 am - 6:12 pmBOI  Boise Air Term. Gowen Fld-SGU Saint George
7h 36m1 stop Denver Intl
$318United Airlines
Tue, Aug 25 - Sat, Aug 29
Delta Logo
5:31 pm - 11:59 pmSGU  Saint George-BOI Boise Air Term. Gowen Fld
6h 28m1 stop Salt Lake City
Delta Logo
11:32 am - 4:56 pmBOI  Boise Air Term. Gowen Fld-SGU Saint George
5h 24m1 stop Salt Lake City
$322Delta
Wed, Oct 7 - Mon, Oct 12
Delta Logo
1:11 pm - 6:00 pmSGU  Saint George-BOI Boise Air Term. Gowen Fld
4h 49m1 stop Salt Lake City
Delta Logo
1:13 pm - 4:50 pmBOI  Boise Air Term. Gowen Fld-SGU Saint George
3h 37m1 stop Salt Lake City
$328Delta
Mon, Nov 2 - Wed, Nov 11
Delta Logo
8:50 am - 12:16 pmSGU  Saint George-BOI Boise Air Term. Gowen Fld
3h 26m1 stop Salt Lake City
Delta Logo
8:25 am - 2:40 pmBOI  Boise Air Term. Gowen Fld-SGU Saint George
6h 15m1 stop Salt Lake City
$328Delta
Sat, Nov 7 - Fri, Nov 13
Delta Logo
5:50 am - 10:17 amSGU  Saint George-BOI Boise Air Term. Gowen Fld
4h 27m1 stop Salt Lake City
Delta Logo
11:12 am - 2:46 pmBOI  Boise Air Term. Gowen Fld-SGU Saint George
3h 34m1 stop Salt Lake City
$328Delta
Fri, Sep 11 - Mon, Sep 14
American Airlines Logo
5:36 pm - 10:03 pmSGU  Saint George-BOI Boise Air Term. Gowen Fld
4h 27m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:30 am - 11:00 amBOI  Boise Air Term. Gowen Fld-SGU Saint George
4h 30m1 stop Phoenix Sky Harbor Intl
$355American Airlines
Thu, Sep 10 - Wed, Sep 16
American Airlines Logo
7:30 am - 1:22 pmSGU  Saint George-BOI Boise Air Term. Gowen Fld
5h 52m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:17 am - 11:04 amBOI  Boise Air Term. Gowen Fld-SGU Saint George
4h 47m1 stop Phoenix Sky Harbor Intl
$383American Airlines
Fri, Oct 23 - Sun, Oct 25
United Airlines Logo
10:55 am - 5:58 pmSGU  Saint George-BOI Boise Air Term. Gowen Fld
7h 03m1 stop Denver Intl
United Airlines Logo
5:00 am - 10:20 amBOI  Boise Air Term. Gowen Fld-SGU Saint George
5h 20m1 stop Denver Intl
$388United Airlines
Wed, Aug 26 - Sun, Aug 30
United Airlines Logo
5:00 am - 9:56 amSGU  Saint George-BOI Boise Air Term. Gowen Fld
4h 56m1 stop Denver Intl
United Airlines Logo
5:44 pm - 10:30 pmBOI  Boise Air Term. Gowen Fld-SGU Saint George
4h 46m1 stop Denver Intl
$456United Airlines
Sat, Nov 14 - Tue, Nov 17

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Delta flights from Saint George to Boise

Our best Delta deals on Saint George to Boise flight tickets
Delta
Oct 7
SGU5:31 pmSaint George
6h 28m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
Oct 12
BOI11:32 amBoise Air Term. Gowen Fld
5h 24m
1 stop
SGU4:56 pmSaint George
$322
Delta
Nov 2
SGU5:31 pmSaint George
5h 16m
1 stop
BOI10:47 pmBoise Air Term. Gowen Fld
Nov 9
BOI1:13 pmBoise Air Term. Gowen Fld
5h 22m
1 stop
SGU6:35 pmSaint George
$328
Delta
Oct 23
SGU5:31 pmSaint George
6h 28m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
Oct 25
BOI6:00 amBoise Air Term. Gowen Fld
4h 47m
1 stop
SGU10:47 amSaint George
$351

United Airlines flights from Saint George to Boise

Our best United Airlines deals on Saint George to Boise flight tickets
United Airlines
Aug 25
SGU5:00 amSaint George
4h 35m
1 stop
BOI9:35 amBoise Air Term. Gowen Fld
Aug 29
BOI10:36 amBoise Air Term. Gowen Fld
7h 36m
1 stop
SGU6:12 pmSaint George
$318
United Airlines
Aug 18
SGU10:55 amSaint George
7h 03m
1 stop
BOI5:58 pmBoise Air Term. Gowen Fld
Aug 28
BOI5:00 amBoise Air Term. Gowen Fld
5h 20m
1 stop
SGU10:20 amSaint George
$338
United Airlines
Aug 26
SGU10:55 amSaint George
7h 03m
1 stop
BOI5:58 pmBoise Air Term. Gowen Fld
Aug 30
BOI5:00 amBoise Air Term. Gowen Fld
5h 20m
1 stop
SGU10:20 amSaint George
$388

momondo Fare Finder

 
Customize your flight search to find flights from Saint George to Boise 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 August 15, 2026.
Use the filters below to find and compare flights from Saint George to Boise that are best for you.

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

Sat 8/29

1:50 pm-9:37 pm

1 stop7h 47m

Boise Air Term. Gowen Fld

Wed 9/2

5:00 am-10:20 am

1 stop5h 20m

$318

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Tue 8/25

5:00 am-9:35 am

1 stop4h 35m

Boise Air Term. Gowen Fld

Sat 8/29

10:36 am-6:12 pm

1 stop7h 36m

$318

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Wed 10/7

5:31 pm-11:59 pm

1 stop6h 28m

Boise Air Term. Gowen Fld

Mon 10/12

11:32 am-4:56 pm

1 stop5h 24m

$322

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Mon 11/2

1:11 pm-6:00 pm

1 stop4h 49m

Boise Air Term. Gowen Fld

Wed 11/11

1:13 pm-4:50 pm

1 stop3h 37m

$328

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Sat 11/7

8:50 am-12:16 pm

1 stop3h 26m

Boise Air Term. Gowen Fld

Fri 11/13

8:25 am-2:40 pm

1 stop6h 15m

$328
Quickest round-trip

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Fri 9/11

5:50 am-10:17 am

1 stop4h 27m

Boise Air Term. Gowen Fld

Mon 9/14

11:12 am-2:46 pm

1 stop3h 34m

$328

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Thu 9/10

5:36 pm-10:03 pm

1 stop4h 27m

Boise Air Term. Gowen Fld

Wed 9/16

6:30 am-11:00 am

1 stop4h 30m

$355

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Fri 10/23

7:30 am-1:22 pm

1 stop5h 52m

Boise Air Term. Gowen Fld

Sun 10/25

6:17 am-11:04 am

1 stop4h 47m

$383

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Wed 8/26

10:55 am-5:58 pm

1 stop7h 03m

Boise Air Term. Gowen Fld

Sun 8/30

5:00 am-10:20 am

1 stop5h 20m

$388

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Sat 11/14

5:00 am-9:56 am

1 stop4h 56m

Boise Air Term. Gowen Fld

Tue 11/17

5:44 pm-10:30 pm

1 stop4h 46m

$456

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Saint George to Boise

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 Boise?

Prices are currently typical for flights on this route.

Typical prices usually range from $278 to $524.
The lowest price recently found on this route was $318.

What is the cheapest month to fly to Boise?

The month of February is, on average, the cheapest month to fly to Boise from Saint George, with most prices found around $258. If you aren’t able to travel during the month of February, then book flights to Boise from Saint George during April instead. Flights to Boise in April, while not as cheap as those in February, still average around $300.

When to book flights from Saint George to Boise

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

Cheap Saint George to Boise (SGU to BOI) flight deals and tips

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

Fastest flight time

4h 01m

Direct flights

None
The fastest flight from Saint George to Boise takes 4h 01m
There are no direct flights from Saint George to Boise. There are no popular flight routes from Saint George to Boise.
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Frequently asked questions about flying from Saint George to Boise

  • How far is Saint George to Boise Air Term. Gowen Fld by plane?

    A flight from Saint George to Boise Air Term. Gowen Fld will travel around 470.6 mi. 4h 01m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Saint George Airport to Boise Air Term. Gowen Fld Airport?

    Prices for flights from Saint George Airport to Boise Air Term. Gowen Fld Airport were last updated today.

  • How many operators does momondo search for flights from Saint George Airport to Boise Air Term. Gowen Fld Airport?

  • How old do you have to be to fly from Saint George Airport to Boise Air Term. Gowen Fld Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint George Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The necessary travel and health documents for your Boise Air Term. Gowen Fld Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Saint George to Boise

Compare and see reviews for airlines that fly from Saint George to Boise with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $258Free CancellationRating
7.8
8,508 reviews
Search Delta flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
Ontario
Caldwell
McCall
Eagle

Why use momondo?

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

Finding the right flight to Boise 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 Boise quick and easy, saving you time and money.

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

All flight searches from Saint George to Boise on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Saint George to Boise.

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

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