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Cheap flights from Idaho to Saint George from $253

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Saint George departing on 8/4. 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 Idaho to Saint George

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:44 pm - 10:14 pm
BOI
-
SGU
4h 30m
1 stop
United Airlines Logo
5:00 am - 9:35 am
SGU
-
BOI
4h 35m
1 stop
$278United Airlines
Mon, Aug 17 - Mon, Aug 24
Delta Logo
6:00 am - 10:48 am
IDA
-
SGU
4h 48m
1 stop
Delta Logo
5:50 am - 12:15 pm
SGU
-
IDA
6h 25m
1 stop
$278Delta
Fri, Sep 18 - Fri, Sep 25
United Airlines Logo
5:46 pm - 10:57 pm
BOI
-
SGU
5h 11m
1 stop
United Airlines Logo
5:10 am - 9:53 am
SGU
-
BOI
4h 43m
1 stop
$292United Airlines
Sun, Aug 2 - Sat, Aug 8
United Airlines Logo
5:46 pm - 10:57 pm
BOI
-
SGU
5h 11m
1 stop
United Airlines Logo
5:10 am - 9:53 am
SGU
-
BOI
4h 43m
1 stop
$293United Airlines
Sun, Aug 2 - Sat, Aug 8
Delta Logo
8:45 am - 12:36 pm
BOI
-
SGU
3h 51m
1 stop
Delta Logo
5:50 am - 9:48 am
SGU
-
BOI
3h 58m
1 stop
$312Delta
Mon, Aug 3 - Mon, Aug 10
United Airlines Logo
5:00 am - 9:51 am
BOI
-
SGU
4h 51m
1 stop
United Airlines Logo
5:41 pm - 10:37 pm
SGU
-
BOI
4h 56m
1 stop
$346United Airlines
Wed, Jul 22 - Mon, Jul 27
United Airlines Logo
5:00 am - 10:20 am
BOI
-
SGU
5h 20m
1 stop
United Airlines Logo
5:00 am - 9:34 am
SGU
-
BOI
4h 34m
1 stop
$348United Airlines
Tue, Aug 25 - Sat, Aug 29
Delta Logo
6:00 am - 10:43 am
BOI
-
SGU
4h 43m
1 stop
Delta Logo
5:50 am - 9:29 am
SGU
-
BOI
3h 39m
1 stop
$368Delta
Fri, Jul 17 - Sun, Jul 19
United Airlines Logo
5:54 pm - 10:57 pm
IDA
-
SGU
5h 03m
1 stop
United Airlines Logo
5:10 am - 9:50 am
SGU
-
IDA
4h 40m
1 stop
$375United Airlines
Fri, Jul 24 - Sun, Jul 26
United Airlines Logo
10:35 am - 6:12 pm
IDA
-
SGU
7h 37m
1 stop
United Airlines Logo
10:55 am - 3:23 pm
SGU
-
IDA
4h 28m
1 stop
$378United Airlines
Tue, Sep 1 - Sat, Sep 5

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United Airlines flights from Idaho to Saint George

Our best United Airlines deals on Idaho to Saint George flight tickets
United Airlines
Aug 17
BOI5:44 pmBoise Air Term. Gowen Fld
4h 30m
1 stop
SGU10:14 pmSaint George
Aug 24
SGU5:00 amSaint George
4h 35m
1 stop
BOI9:35 amBoise Air Term. Gowen Fld
$278
United Airlines
Aug 2
BOI5:46 pmBoise Air Term. Gowen Fld
5h 11m
1 stop
SGU10:57 pmSaint George
Aug 8
SGU5:10 amSaint George
4h 43m
1 stop
BOI9:53 amBoise Air Term. Gowen Fld
$292
United Airlines
Aug 2
BOI5:46 pmBoise Air Term. Gowen Fld
5h 11m
1 stop
SGU10:57 pmSaint George
Aug 8
SGU5:10 amSaint George
4h 43m
1 stop
BOI9:53 amBoise Air Term. Gowen Fld
$293

American Airlines flights from Idaho to Saint George

Our best American Airlines deals on Idaho to Saint George flight tickets
American Airlines
Oct 1
BOI5:20 pmBoise Air Term. Gowen Fld
7h 05m
1 stop
SGU12:25 amSaint George
Oct 4
SGU5:36 pmSaint George
4h 27m
1 stop
BOI10:03 pmBoise Air Term. Gowen Fld
$580
American Airlines
Oct 20
GEG6:30 amSpokane
10h 00m
1 stop
SGU5:30 pmSaint George
Oct 24
SGU7:30 amSaint George
6h 59m
1 stop
GEG1:29 pmSpokane
$621
American Airlines
Oct 1
BOI5:20 pmBoise Air Term. Gowen Fld
7h 05m
1 stop
SGU12:25 amSaint George
Oct 4
SGU5:36 pmSaint George
4h 27m
1 stop
BOI10:03 pmBoise Air Term. Gowen Fld
$632

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Saint George 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 July 7, 2026.
Use the filters below to find and compare flights from Idaho to Saint George that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Mon 8/17

5:44 pm-10:14 pm

1 stop4h 30m

Saint George

Mon 8/24

5:00 am-9:35 am

1 stop4h 35m

$278

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Fri 9/18

6:00 am-10:48 am

1 stop4h 48m

Saint George

Fri 9/25

5:50 am-12:15 pm

1 stop6h 25m

$278

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Sun 8/2

5:46 pm-10:57 pm

1 stop5h 11m

Saint George

Sat 8/8

5:10 am-9:53 am

1 stop4h 43m

$292

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Sun 8/2

5:46 pm-10:57 pm

1 stop5h 11m

Saint George

Sat 8/8

5:10 am-9:53 am

1 stop4h 43m

$293
Quickest round-trip

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Mon 8/3

8:45 am-12:36 pm

1 stop3h 51m

Saint George

Mon 8/10

5:50 am-9:48 am

1 stop3h 58m

$312

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Wed 7/22

5:00 am-9:51 am

1 stop4h 51m

Saint George

Mon 7/27

5:41 pm-10:37 pm

1 stop4h 56m

$346

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 8/25

5:00 am-10:20 am

1 stop5h 20m

Saint George

Sat 8/29

5:00 am-9:34 am

1 stop4h 34m

$348

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Fri 7/17

6:00 am-10:43 am

1 stop4h 43m

Saint George

Sun 7/19

5:50 am-9:29 am

1 stop3h 39m

$368

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Fri 7/24

5:54 pm-10:57 pm

1 stop5h 03m

Saint George

Sun 7/26

5:10 am-9:50 am

1 stop4h 40m

$375

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Tue 9/1

10:35 am-6:12 pm

1 stop7h 37m

Saint George

Sat 9/5

10:55 am-3:23 pm

1 stop4h 28m

$378

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint George from

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

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 month to fly to Saint George?

If you aren’t able to travel to Saint George during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $215.

Cheap Idaho to Saint George flight deals and tips

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

Fastest flight time

3h 50m

Direct flights

None
The fastest flight from Idaho to Saint George takes 3h 50m
There are no direct flights from Idaho to Saint George. There are no popular flight routes from Idaho to Saint George.
Search flight deals

Frequently asked questions about flying from Idaho to Saint George

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

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

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

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

  • What documentation or ID do you need to fly to Saint George Airport?

    The travel and health documents required for your trip to Saint George Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint George Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Idaho to Saint George

Compare and see reviews for airlines that fly from Idaho to Saint George with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $210Free CancellationRating
7.8
8,450 reviews
Search Delta flights
United AirlinesPriceFrom $215Free CancellationRating
7.4
9,944 reviews
Search United Airlines flights

Traveling to a place near Saint George?

Book flights to Saint George if you plan to visit one of these locations
Springdale
Hurricane
Virgin

Why use momondo?

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

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

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

Flights from Idaho to Saint George 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 Idaho to Saint George?

momondo provides multiple filters to help you find the best flight to Saint George from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Saint George from Idaho 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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