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Cheap flights from Idaho to Saint George from $235

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 4/9. 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 Idaho to Saint George

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:15 pm - 11:59 pm
GEG
-
SGU
7h 44m
1 stop
American Airlines Logo
4:38 pm - 11:10 pm
SGU
-
GEG
7h 32m
1 stop
$258American Airlines
Sat, Apr 11 - Sat, Apr 18
American Airlines Logo
6:33 pm - 12:25 am
BOI
-
SGU
5h 52m
1 stop
American Airlines Logo
4:31 pm - 11:38 pm
SGU
-
BOI
7h 07m
1 stop
$263American Airlines
Mon, Mar 9 - Mon, Mar 16
American Airlines Logo
6:33 pm - 12:25 am
BOI
-
SGU
5h 52m
1 stop
American Airlines Logo
4:31 pm - 11:38 pm
SGU
-
BOI
7h 07m
1 stop
$277American Airlines
Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
5:24 pm - 11:05 pm
BOI
-
SGU
5h 41m
1 stop
United Airlines Logo
1:50 pm - 9:29 pm
SGU
-
BOI
7h 39m
1 stop
$303United Airlines
Tue, Feb 24 - Tue, Mar 10
United Airlines Logo
5:24 pm - 11:05 pm
BOI
-
SGU
5h 41m
1 stop
United Airlines Logo
5:13 am - 10:12 am
SGU
-
BOI
4h 59m
1 stop
$308United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
5:33 pm - 11:05 pm
IDA
-
SGU
5h 32m
1 stop
United Airlines Logo
5:13 am - 9:46 am
SGU
-
IDA
4h 33m
1 stop
$308United Airlines
Tue, Feb 24 - Sat, Feb 28
Delta Logo
5:45 am - 10:43 am
GEG
-
SGU
3h 58m
1 stop
Delta Logo
5:50 am - 9:12 am
SGU
-
GEG
4h 22m
1 stop
$333Delta
Thu, Jun 18 - Thu, Jun 25
Delta Logo
6:50 pm - 10:05 pm
IDA
-
SGU
3h 15m
1 stop
Delta Logo
3:20 pm - 6:14 pm
SGU
-
IDA
2h 54m
1 stop
$446Delta
Wed, Jul 8 - Sun, Jul 12
Alaska Airlines Logo
12:40 pm - 12:30 am
GEG
-
SGU
10h 50m
2 stops
Alaska Airlines Logo
7:30 am - 6:12 pm
SGU
-
GEG
11h 42m
2 stops
$453Alaska Airlines
Sat, Feb 21 - Wed, Feb 25
Alaska Airlines Logo
12:00 pm - 12:30 am
GEG
-
SGU
11h 30m
2 stops
Alaska Airlines Logo
12:15 pm - 11:01 pm
SGU
-
GEG
11h 46m
3 stops
$458Alaska Airlines
Tue, Feb 24 - Sat, Feb 28

American Airlines flights from Idaho to Saint George

Our best American Airlines deals on Idaho to Saint George flight tickets
American Airlines
Apr 11
GEG3:15 pmSpokane
7h 44m
1 stop
SGU11:59 pmSaint George
Apr 18
SGU4:38 pmSaint George
7h 32m
1 stop
GEG11:10 pmSpokane
$258
American Airlines
Mar 9
BOI6:33 pmBoise Air Term. Gowen Fld
5h 52m
1 stop
SGU12:25 amSaint George
Mar 16
SGU4:31 pmSaint George
7h 07m
1 stop
BOI11:38 pmBoise Air Term. Gowen Fld
$263
American Airlines
Mar 9
BOI6:33 pmBoise Air Term. Gowen Fld
5h 52m
1 stop
SGU12:25 amSaint George
Mar 16
SGU4:31 pmSaint George
7h 07m
1 stop
BOI11:38 pmBoise Air Term. Gowen Fld
$277

United Airlines flights from Idaho to Saint George

Our best United Airlines deals on Idaho to Saint George flight tickets
United Airlines
Feb 24
BOI5:24 pmBoise Air Term. Gowen Fld
5h 41m
1 stop
SGU11:05 pmSaint George
Feb 28
SGU5:37 pmSaint George
5h 46m
1 stop
BOI11:23 pmBoise Air Term. Gowen Fld
$303
United Airlines
Feb 24
BOI5:24 pmBoise Air Term. Gowen Fld
5h 41m
1 stop
SGU11:05 pmSaint George
Feb 28
SGU5:13 amSaint George
4h 59m
1 stop
BOI10:12 amBoise Air Term. Gowen Fld
$308
United Airlines
Feb 26
IDA5:33 pmIdaho Falls Fanning Field
5h 32m
1 stop
SGU11:05 pmSaint George
Mar 2
SGU5:13 amSaint George
4h 35m
1 stop
IDA9:48 amIdaho Falls Fanning Field
$310

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 February 11, 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

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Sat 4/11

3:15 pm-11:59 pm

1 stop7h 44m

Saint George

Sat 4/18

4:38 pm-11:10 pm

1 stop7h 32m

$258

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Mon 3/9

6:33 pm-12:25 am

1 stop5h 52m

Saint George

Mon 3/16

4:31 pm-11:38 pm

1 stop7h 07m

$263

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Mon 3/9

6:33 pm-12:25 am

1 stop5h 52m

Saint George

Mon 3/16

4:31 pm-11:38 pm

1 stop7h 07m

$277

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 2/24

5:24 pm-11:05 pm

1 stop5h 41m

Saint George

Tue 3/10

1:50 pm-9:29 pm

1 stop7h 39m

$303

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 2/24

5:24 pm-11:05 pm

1 stop5h 41m

Saint George

Sat 2/28

5:13 am-10:12 am

1 stop4h 59m

$308

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Tue 2/24

5:33 pm-11:05 pm

1 stop5h 32m

Saint George

Sat 2/28

5:13 am-9:46 am

1 stop4h 33m

$308

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Thu 6/18

5:45 am-10:43 am

1 stop3h 58m

Saint George

Thu 6/25

5:50 am-9:12 am

1 stop4h 22m

$333

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Wed 7/8

6:50 pm-10:05 pm

1 stop3h 15m

Saint George

Sun 7/12

3:20 pm-6:14 pm

1 stop2h 54m

$446

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Sat 2/21

12:40 pm-12:30 am

2 stops10h 50m

Saint George

Wed 2/25

7:30 am-6:12 pm

2 stops11h 42m

$453

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Tue 2/24

12:00 pm-12:30 am

2 stops11h 30m

Saint George

Sat 2/28

12:15 pm-11:01 pm

3 stops11h 46m

$458

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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $298.

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 38m

Direct flights

None
The fastest flight from Idaho to Saint George takes 3h 38m
There are no direct flights from Idaho to Saint George. There are no popular flight routes from Idaho to Saint George.
Search flight deals

  • 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 $204Free CancellationRating
7.9
8,180 reviews
Search Delta flights
United AirlinesPriceFrom $223Free CancellationRating
7.4
9,279 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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