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Cheap flights from Idaho to Saint George from $245

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 5/3. 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.
United Airlines Logo
5:00 am - 10:09 am
BOI
-
SGU
5h 09m
1 stop
United Airlines Logo
5:15 am - 9:54 am
SGU
-
BOI
4h 39m
1 stop
$298United Airlines
Tue, Apr 21 - Wed, May 13
Delta Logo
8:30 am - 2:42 pm
BOI
-
SGU
6h 12m
1 stop
Delta Logo
1:15 pm - 5:21 pm
SGU
-
BOI
4h 06m
1 stop
$308Delta
Tue, Apr 14 - Sat, Apr 18
American Airlines Logo
3:15 pm - 11:59 pm
GEG
-
SGU
7h 44m
1 stop
American Airlines Logo
4:38 pm - 11:09 pm
SGU
-
GEG
7h 31m
1 stop
$308American Airlines
Thu, May 7 - Sat, May 9
Delta Logo
6:00 am - 10:45 am
BOI
-
SGU
4h 45m
1 stop
Delta Logo
5:50 am - 9:53 am
SGU
-
BOI
4h 03m
1 stop
$317Delta
Tue, Apr 28 - Wed, May 6
Delta Logo
6:00 am - 10:45 am
BOI
-
SGU
4h 45m
1 stop
Delta Logo
5:50 am - 9:53 am
SGU
-
BOI
4h 03m
1 stop
$323Delta
Tue, Apr 28 - Wed, May 6
American Airlines Logo
3:15 pm - 11:59 pm
GEG
-
SGU
7h 44m
1 stop
American Airlines Logo
7:30 am - 2:19 pm
SGU
-
GEG
7h 49m
1 stop
$348American Airlines
Wed, Apr 15 - Tue, Apr 21
United Airlines Logo
5:00 am - 1:13 pm
GEG
-
SGU
7h 13m
1 stop
United Airlines Logo
1:48 pm - 9:05 pm
SGU
-
GEG
8h 17m
1 stop
$388United Airlines
Wed, Jun 10 - Wed, Jun 17
Delta Logo
8:00 am - 12:31 pm
BOI
-
SGU
4h 31m
1 stop
Delta Logo
5:30 pm - 11:57 pm
SGU
-
BOI
6h 27m
1 stop
$388Delta
Fri, Apr 10 - Mon, Apr 13
American Airlines Logo
3:15 pm - 11:59 pm
GEG
-
SGU
7h 44m
1 stop
American Airlines Logo
7:30 am - 2:19 pm
SGU
-
GEG
7h 49m
1 stop
$389American Airlines
Wed, Apr 15 - Tue, Apr 21
Delta Logo
6:41 pm - 9:51 pm
BOI
-
SGU
3h 10m
1 stop
Delta Logo
5:50 am - 9:32 am
SGU
-
BOI
3h 42m
1 stop
$393Delta
Wed, May 20 - Sat, May 23

United Airlines flights from Idaho to Saint George

Our best United Airlines deals on Idaho to Saint George flight tickets
United Airlines
Apr 21
BOI5:00 amBoise Air Term. Gowen Fld
5h 09m
1 stop
SGU10:09 amSaint George
May 13
SGU5:15 amSaint George
4h 39m
1 stop
BOI9:54 amBoise Air Term. Gowen Fld
$298
United Airlines
Apr 1
IDA10:40 amIdaho Falls Fanning Field
7h 36m
1 stop
SGU6:16 pmSaint George
Apr 22
SGU5:16 amSaint George
4h 37m
1 stop
IDA9:53 amIdaho Falls Fanning Field
$333
United Airlines
Apr 6
IDA5:20 pmIdaho Falls Fanning Field
5h 38m
1 stop
SGU10:58 pmSaint George
May 9
SGU5:15 amSaint George
4h 40m
1 stop
IDA9:55 amIdaho Falls Fanning Field
$346

Delta flights from Idaho to Saint George

Our best Delta deals on Idaho to Saint George flight tickets
Delta
Apr 14
BOI8:30 amBoise Air Term. Gowen Fld
6h 12m
1 stop
SGU2:42 pmSaint George
Apr 18
SGU1:15 pmSaint George
4h 06m
1 stop
BOI5:21 pmBoise Air Term. Gowen Fld
$308
Delta
Apr 28
BOI6:00 amBoise Air Term. Gowen Fld
4h 45m
1 stop
SGU10:45 amSaint George
May 6
SGU5:50 amSaint George
4h 03m
1 stop
BOI9:53 amBoise Air Term. Gowen Fld
$317
Delta
Apr 28
BOI6:00 amBoise Air Term. Gowen Fld
4h 45m
1 stop
SGU10:45 amSaint George
May 6
SGU5:50 amSaint George
4h 03m
1 stop
BOI9:53 amBoise Air Term. Gowen Fld
$323

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 March 31, 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

Tue 4/21

5:00 am-10:09 am

1 stop5h 09m

Saint George

Wed 5/13

5:15 am-9:54 am

1 stop4h 39m

$298

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 4/14

8:30 am-2:42 pm

1 stop6h 12m

Saint George

Sat 4/18

1:15 pm-5:21 pm

1 stop4h 06m

$308

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Thu 5/7

3:15 pm-11:59 pm

1 stop7h 44m

Saint George

Sat 5/9

4:38 pm-11:09 pm

1 stop7h 31m

$308

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 4/28

6:00 am-10:45 am

1 stop4h 45m

Saint George

Wed 5/6

5:50 am-9:53 am

1 stop4h 03m

$317

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 4/28

6:00 am-10:45 am

1 stop4h 45m

Saint George

Wed 5/6

5:50 am-9:53 am

1 stop4h 03m

$323

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Wed 4/15

3:15 pm-11:59 pm

1 stop7h 44m

Saint George

Tue 4/21

7:30 am-2:19 pm

1 stop7h 49m

$348

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Wed 6/10

5:00 am-1:13 pm

1 stop7h 13m

Saint George

Wed 6/17

1:48 pm-9:05 pm

1 stop8h 17m

$388

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Fri 4/10

8:00 am-12:31 pm

1 stop4h 31m

Saint George

Mon 4/13

5:30 pm-11:57 pm

1 stop6h 27m

$388

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Wed 4/15

3:15 pm-11:59 pm

1 stop7h 44m

Saint George

Tue 4/21

7:30 am-2:19 pm

1 stop7h 49m

$389
Quickest round-trip

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Wed 5/20

6:41 pm-9:51 pm

1 stop3h 10m

Saint George

Sat 5/23

5:50 am-9:32 am

1 stop3h 42m

$393

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 April is also cheap. Prices for this month can be found on momondo for an average of $303.

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

2h 55m

Direct flights

None
The fastest flight from Idaho to Saint George takes 2h 55m
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 $210Free CancellationRating
7.9
8,364 reviews
Search Delta flights
United AirlinesPriceFrom $215Free CancellationRating
7.4
9,525 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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