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Cheap flights from Idaho to Saint George from $158

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 10/28. 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
5:45 pm - 10:05 pmBOI-SGU
4h 20m1 stop
Delta Logo
11:27 am - 4:53 pmSGU-BOI
5h 26m1 stop
$218Delta
Find Deal
Sat, Mar 7 - Wed, Mar 11
Delta Logo
1:15 pm - 6:35 pmSUN-SGU
5h 20m1 stop
Delta Logo
11:27 am - 2:52 pmSGU-SUN
3h 25m1 stop
$218Delta
Find Deal
Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
3:10 pm - 9:34 pmGEG-SGU
5h 24m1 stop
American Airlines Logo
4:45 pm - 11:09 pmSGU-GEG
7h 24m1 stop
$238American Airlines
Find Deal
Mon, Oct 27 - Mon, Nov 3
Delta Logo
1:15 pm - 6:35 pmSUN-SGU
5h 20m1 stop
Delta Logo
9:05 am - 12:45 pmSGU-SUN
3h 40m1 stop
$248Delta
Find Deal
Fri, Mar 6 - Tue, Mar 10
Delta Logo
6:00 am - 10:44 amGEG-SGU
3h 44m1 stop
Delta Logo
6:05 am - 12:01 pmSGU-GEG
6h 56m1 stop
$298Delta
Find Deal
Tue, Oct 7 - Sat, Oct 11
United Airlines Logo
5:00 am - 9:56 amIDA-SGU
4h 56m1 stop
United Airlines Logo
5:18 am - 9:48 amSGU-IDA
4h 30m1 stop
$313United Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
United Airlines Logo
4:15 pm - 10:58 pmIDA-SGU
6h 43m1 stop
United Airlines Logo
5:00 am - 9:48 amSGU-IDA
4h 48m1 stop
$361United Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
American Airlines Logo
3:05 pm - 9:35 pmGEG-SGU
5h 30m1 stop
American Airlines Logo
4:45 pm - 11:09 pmSGU-GEG
7h 24m1 stop
$368American Airlines
Find Deal
Mon, Nov 3 - Thu, Nov 6
Alaska Airlines Logo
11:41 am - 12:11 amGEG-SGU
11h 30m2 stops
Alaska Airlines Logo
7:30 am - 6:28 pmSGU-GEG
11h 58m2 stops
$1,696Alaska Airlines
Find Deal
Mon, Nov 24 - Sun, Nov 30
Alaska Airlines Logo
11:41 am - 12:11 amGEG-SGU
11h 30m2 stops
Alaska Airlines Logo
7:30 am - 5:30 pmSGU-GEG
11h 00m2 stops
$1,857Alaska Airlines
Find Deal
Tue, Nov 25 - Sun, Nov 30

Delta flights from Idaho to Saint George

Our best Delta deals on Idaho to Saint George flight tickets
Delta
Mar 6
SUN1:15 pmHailey Sun Valley-Friedman
5h 20m
1 stop
SGU6:35 pmSaint George
Mar 10
SGU11:27 amSaint George
3h 25m
1 stop
SUN2:52 pmHailey Sun Valley-Friedman
$218
Find similar
Delta
Mar 6
SUN1:15 pmHailey Sun Valley-Friedman
5h 20m
1 stop
SGU6:35 pmSaint George
Mar 10
SGU9:05 amSaint George
3h 40m
1 stop
SUN12:45 pmHailey Sun Valley-Friedman
$248
Find similar
Delta
Oct 7
GEG6:00 amSpokane
3h 44m
1 stop
SGU10:44 amSaint George
Oct 11
SGU6:05 amSaint George
6h 56m
1 stop
GEG12:01 pmSpokane
$298
Find similar

United Airlines flights from Idaho to Saint George

Our best United Airlines deals on Idaho to Saint George flight tickets
United Airlines
Oct 7
IDA5:00 amIdaho Falls Fanning Field
4h 56m
1 stop
SGU9:56 amSaint George
Oct 11
SGU5:18 amSaint George
4h 30m
1 stop
IDA9:48 amIdaho Falls Fanning Field
$313
Find similar
United Airlines
Nov 6
IDA4:15 pmIdaho Falls Fanning Field
6h 43m
1 stop
SGU10:58 pmSaint George
Nov 13
SGU5:00 amSaint George
4h 48m
1 stop
IDA9:48 amIdaho Falls Fanning Field
$361
Find similar
United Airlines
Oct 21
BOI5:39 pmBoise Air Term. Gowen Fld
5h 17m
1 stop
SGU10:56 pmSaint George
Oct 22
SGU5:30 pmSaint George
5h 00m
1 stop
BOI10:30 pmBoise Air Term. Gowen Fld
$370
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 September 24, 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 3/7

5:45 pm-10:05 pm

1 stop4h 20m

Saint George

Wed 3/11

11:27 am-4:53 pm

1 stop5h 26m

$218

HaileySaint George

SUN - SGU

SUNSGU

Hailey Sun Valley-Friedman

Fri 3/6

1:15 pm-6:35 pm

1 stop5h 20m

Saint George

Tue 3/10

11:27 am-2:52 pm

1 stop3h 25m

$218

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Mon 10/27

3:10 pm-9:34 pm

1 stop5h 24m

Saint George

Mon 11/3

4:45 pm-11:09 pm

1 stop7h 24m

$238

HaileySaint George

SUN - SGU

SUNSGU

Hailey Sun Valley-Friedman

Fri 3/6

1:15 pm-6:35 pm

1 stop5h 20m

Saint George

Tue 3/10

9:05 am-12:45 pm

1 stop3h 40m

$248

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Tue 10/7

6:00 am-10:44 am

1 stop3h 44m

Saint George

Sat 10/11

6:05 am-12:01 pm

1 stop6h 56m

$298

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Tue 10/7

5:00 am-9:56 am

1 stop4h 56m

Saint George

Sat 10/11

5:18 am-9:48 am

1 stop4h 30m

$313

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Thu 11/6

4:15 pm-10:58 pm

1 stop6h 43m

Saint George

Thu 11/13

5:00 am-9:48 am

1 stop4h 48m

$361

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Mon 11/3

3:05 pm-9:35 pm

1 stop5h 30m

Saint George

Thu 11/6

4:45 pm-11:09 pm

1 stop7h 24m

$368

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Mon 11/24

11:41 am-12:11 am

2 stops11h 30m

Saint George

Sun 11/30

7:30 am-6:28 pm

2 stops11h 58m

$1,696

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Tue 11/25

11:41 am-12:11 am

2 stops11h 30m

Saint George

Sun 11/30

7:30 am-5:30 pm

2 stops11h 00m

$1,857

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 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

Direct flights

None
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 $218Free CancellationRating
7.9
7,973 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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