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Cheap flights from Idaho to Saint George from $148

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 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho to Saint George

Cheap round-trip flights

Delta Logo
12:45 pm - 6:35 pmBOI-SGU
5h 50m1 stop
Delta Logo
11:25 am - 4:57 pmSGU-BOI
5h 32m1 stop
$218Delta
Find Deal
Sat, Aug 30 - Fri, Sep 5
Delta Logo
5:45 am - 2:40 pmBOI-SGU
8h 55m2 stops
Delta Logo
11:25 am - 4:57 pmSGU-BOI
5h 32m1 stop
$224Delta
Find Deal
Sat, Sep 6 - Mon, Sep 8
Delta Logo
5:45 am - 12:31 pmBOI-SGU
6h 46m2 stops
Delta Logo
9:00 am - 8:20 pmSGU-BOI
11h 20m2 stops
$229Delta
Find Deal
Sat, Sep 6 - Tue, Sep 9
Delta Logo
6:00 am - 10:41 amBOI-SGU
4h 41m1 stop
Delta Logo
3:20 pm - 7:05 pmSGU-BOI
3h 45m1 stop
$243Delta
Find Deal
Mon, Sep 1 - Sat, Sep 6
American Airlines Logo
3:10 pm - 10:24 pmGEG-SGU
6h 14m1 stop
American Airlines Logo
7:30 am - 1:07 pmSGU-GEG
6h 37m1 stop
$245American Airlines
Find Deal
Sat, Aug 23 - Sun, Aug 31
American Airlines Logo
3:10 pm - 10:24 pmGEG-SGU
6h 14m1 stop
American Airlines Logo
7:30 am - 1:07 pmSGU-GEG
6h 37m1 stop
$247American Airlines
Find Deal
Sat, Aug 23 - Sun, Aug 31
American Airlines Logo
6:35 am - 10:58 amBOI-SGU
4h 23m1 stop
American Airlines Logo
7:30 am - 1:17 pmSGU-BOI
5h 47m1 stop
$257American Airlines
Find Deal
Wed, Sep 10 - Sat, Sep 13
United Airlines Logo
5:39 pm - 10:54 pmBOI-SGU
5h 15m1 stop
United Airlines Logo
5:18 am - 9:42 amSGU-BOI
4h 24m1 stop
$278United Airlines
Find Deal
Sat, Aug 30 - Tue, Sep 2
United Airlines Logo
5:00 am - 9:56 amBOI-SGU
4h 56m1 stop
United Airlines Logo
5:18 am - 9:52 amSGU-BOI
4h 34m1 stop
$288United Airlines
Find Deal
Tue, Aug 19 - Sat, Aug 23
United Airlines Logo
5:00 am - 9:56 amIDA-SGU
4h 56m1 stop
United Airlines Logo
5:18 am - 9:47 amSGU-IDA
4h 29m1 stop
$288United Airlines
Find Deal
Tue, Aug 19 - Sat, Aug 23

United Airlines flights from Idaho to Saint George

Our best United Airlines deals on Idaho to Saint George flight tickets
United Airlines
Aug 30
BOI5:39 pmBoise Air Term. Gowen Fld
5h 15m
1 stop
SGU10:54 pmSaint George
Sep 2
SGU5:18 amSaint George
4h 24m
1 stop
BOI9:42 amBoise Air Term. Gowen Fld
$278
Find similar
United Airlines
Aug 19
IDA5:00 amIdaho Falls Fanning Field
4h 56m
1 stop
SGU9:56 amSaint George
Aug 23
SGU5:18 amSaint George
4h 29m
1 stop
IDA9:47 amIdaho Falls Fanning Field
$288
Find similar
United Airlines
Aug 30
BOI5:39 pmBoise Air Term. Gowen Fld
5h 15m
1 stop
SGU10:54 pmSaint George
Sep 1
SGU5:18 amSaint George
4h 24m
1 stop
BOI9:42 amBoise Air Term. Gowen Fld
$327
Find similar

American Airlines flights from Idaho to Saint George

Our best American Airlines deals on Idaho to Saint George flight tickets
American Airlines
Aug 23
GEG3:10 pmSpokane
6h 14m
1 stop
SGU10:24 pmSaint George
Aug 31
SGU7:30 amSaint George
6h 37m
1 stop
GEG1:07 pmSpokane
$245
Find similar
American Airlines
Aug 23
GEG3:10 pmSpokane
6h 14m
1 stop
SGU10:24 pmSaint George
Aug 31
SGU7:30 amSaint George
6h 37m
1 stop
GEG1:07 pmSpokane
$247
Find similar
American Airlines
Sep 10
BOI6:35 amBoise Air Term. Gowen Fld
4h 23m
1 stop
SGU10:58 amSaint George
Sep 13
SGU7:30 amSaint George
5h 47m
1 stop
BOI1:17 pmBoise Air Term. Gowen Fld
$257
Find similar

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 August 5, 2025.
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

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Sat 8/30

12:45 pm-6:35 pm

1 stop5h 50m

Saint George

Fri 9/5

11:25 am-4:57 pm

1 stop5h 32m

$218

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Sat 9/6

5:45 am-2:40 pm

2 stops8h 55m

Saint George

Mon 9/8

11:25 am-4:57 pm

1 stop5h 32m

$224

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Sat 9/6

5:45 am-12:31 pm

2 stops6h 46m

Saint George

Tue 9/9

9:00 am-8:20 pm

2 stops11h 20m

$229

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Mon 9/1

6:00 am-10:41 am

1 stop4h 41m

Saint George

Sat 9/6

3:20 pm-7:05 pm

1 stop3h 45m

$243

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Sat 8/23

3:10 pm-10:24 pm

1 stop6h 14m

Saint George

Sun 8/31

7:30 am-1:07 pm

1 stop6h 37m

$245

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Sat 8/23

3:10 pm-10:24 pm

1 stop6h 14m

Saint George

Sun 8/31

7:30 am-1:07 pm

1 stop6h 37m

$247

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Wed 9/10

6:35 am-10:58 am

1 stop4h 23m

Saint George

Sat 9/13

7:30 am-1:17 pm

1 stop5h 47m

$257

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Sat 8/30

5:39 pm-10:54 pm

1 stop5h 15m

Saint George

Tue 9/2

5:18 am-9:42 am

1 stop4h 24m

$278

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 8/19

5:00 am-9:56 am

1 stop4h 56m

Saint George

Sat 8/23

5:18 am-9:52 am

1 stop4h 34m

$288

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Tue 8/19

5:00 am-9:56 am

1 stop4h 56m

Saint George

Sat 8/23

5:18 am-9:47 am

1 stop4h 29m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 July is also cheap. Prices for this month can be found on momondo for an average of $218.

What is the cheapest day to depart on your flight to Saint George?

The cheapest day to depart on your flight to Saint George is on a Thursday when prices can be found for as low as $497. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Saint George on Wednesday is $623.

What is the cheapest time of day to depart on your flight to Saint George?

Our most recent data shows that the best time of day to fly to Saint George is in the afternoon. Flights from Idaho to Saint George during this time can be as low as $448. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $603 on average. Flights to Saint George from Idaho in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Best Price Found

$148

Fastest flight time

3h 10m

Direct flights

None

Airports in Saint George

1 airport
The best one-way flight to Saint George from Idaho in the past 72 hours is $148. The best round-trip flight deal from Idaho to Saint George found on momondo in the last 72 hours is $218.
The fastest flight from Idaho to Saint George takes 3h 10m
There are no direct flights from Idaho to Saint George. Popular non-direct routes for this connection are Boise Air Term. Gowen Fld Airport - Saint George Airport, Spokane Airport - Saint George Airport and Idaho Falls Fanning Field Airport - Saint George Airport.
There is 1 airport near Saint George: Saint George (SGU)
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 $218Free CancellationRating
8.0
7,985 reviews
Search Delta 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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