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Saint George

$185+ Cheap flights from Idaho to Saint George (SGU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SGU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Idaho to Saint George

Cheapest flights from Idaho to Saint George
Explore the most affordable flight options available from Idaho to Saint George. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:45 am
BOI
-
SGU
1 stop6h 05m
Delta
Mon 3/96:00 am
SGU
-
BOI
1 stop3h 37m
Delta
Deal found 1/27$238
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:20 pm
GEG
-
SGU
1 stop4h 15m
Delta
Sun 3/18:50 am
SGU
-
GEG
1 stop4h 17m
Delta
Deal found 1/28$258
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:10 pm
GEG
-
SGU
1 stop5h 44m
Delta
Tue 4/215:50 am
SGU
-
GEG
1 stop4h 11m
Delta
Deal found 1/28$268
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:40 am
GEG
-
SGU
1 stop4h 08m
Delta
Sat 3/216:00 am
SGU
-
GEG
1 stop4h 00m
Delta
Deal found 1/27$284
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:35 pm
IDA
-
SGU
1 stop3h 16m
Delta
Tue 3/35:30 pm
SGU
-
IDA
1 stop4h 51m
Delta
Deal found 1/27$287
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/35:45 am
BOI
-
SGU
1 stop5h 04m
Delta
Sat 2/75:50 am
SGU
-
BOI
1 stop4h 34m
Delta
Deal found 1/26$288
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/146:03 am
IDA
-
SGU
1 stop5h 30m
American Airlines
Wed 2/184:31 pm
SGU
-
IDA
1 stop6h 53m
American Airlines
Deal found 1/28$292
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/195:40 am
GEG
-
SGU
1 stop4h 08m
Delta
Mon 3/231:10 pm
SGU
-
GEG
1 stop3h 58m
Delta
Deal found 1/27$293
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3111:20 am
BOI
-
SGU
1 stop3h 21m
Delta
Sat 2/75:50 am
SGU
-
BOI
1 stop4h 34m
Delta
Deal found 1/27$298
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2910:15 am
BOI
-
SGU
1 stop5h 50m
United Airlines
Sat 1/315:10 am
SGU
-
BOI
1 stop4h 56m
United Airlines
Deal found 1/28$308
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/314:19 pm
IDA
-
SGU
1 stop6h 45m
United Airlines
Sun 2/15:10 am
SGU
-
IDA
1 stop4h 46m
United Airlines
Deal found 1/27$308
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/155:40 am
GEG
-
SGU
1 stop4h 08m
Delta
Fri 3/201:10 pm
SGU
-
GEG
1 stop3h 58m
Delta
Deal found 1/27$310

Find flight deals from Idaho to Saint George

Keep the following information in mind while searching for Idaho to Saint George flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Delta)

One-way from

$185
(United Airlines)

Popular in

November

Cheapest in

July

Average price

$278
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Saint George flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Saint George flights.
Search Deals
From Idaho to Saint George
Search Deals
One-way flight from Idaho to Saint George
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Idaho to Saint George that are best for you.

Fly from

Idaho

Fly to

Saint George

Route

Depart

Return

Price

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Fri 5/8

5:45 pm-10:05 pm

1 stop4h 20m

Saint George

Mon 5/11

5:50 am-10:13 am

1 stop4h 23m

$238

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Fri 3/6

10:45 am-4:50 pm

1 stop6h 05m

Saint George

Mon 3/9

6:00 am-9:37 am

1 stop3h 37m

$238

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Fri 4/24

8:00 am-12:36 pm

1 stop4h 36m

Saint George

Mon 4/27

5:30 pm-9:56 pm

1 stop4h 26m

$238

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Wed 2/25

1:20 pm-6:35 pm

1 stop4h 15m

Saint George

Sun 3/1

8:50 am-12:07 pm

1 stop4h 17m

$258

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Wed 4/15

6:59 pm-11:54 pm

1 stop3h 55m

Saint George

Tue 4/21

5:50 am-9:01 am

1 stop4h 11m

$258

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Sun 3/15

5:40 am-10:48 am

1 stop4h 08m

Saint George

Sat 3/21

6:00 am-9:00 am

1 stop4h 00m

$284

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Tue 2/24

6:35 pm-9:51 pm

1 stop3h 16m

Saint George

Tue 3/3

5:30 pm-10:21 pm

1 stop4h 51m

$287

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Thu 3/19

5:40 am-10:48 am

1 stop4h 08m

Saint George

Mon 3/23

1:10 pm-4:08 pm

1 stop3h 58m

$293

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Sat 2/14

6:35 am-1:12 pm

1 stop6h 37m

Saint George

Sun 2/15

5:13 am-9:48 am

1 stop4h 35m

$310

SpokaneSaint George

GEG - SGU

GEGSGU

Spokane

Sun 3/15

5:40 am-10:48 am

1 stop4h 08m

Saint George

Fri 3/20

1:10 pm-4:08 pm

1 stop3h 58m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 47 results
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Best time to book a flight from Idaho to Saint George

Have a flexible travel schedule? Discover the best time to fly to Saint George from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Saint George

What is the cheapest month to book a flight from Idaho to Saint George?

Currently, January is the cheapest month in which you can book a flight from Idaho to Saint George (average of $214). Flying from Idaho to Saint George in November is currently the most expensive (average of $316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Idaho to Saint George?

Related info for your journey

Find useful and relevant information for your journey from Idaho to Saint George. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Saint George from Idaho?

    Saint George (SGU), located 1.4 mi from the city center, is the airport you fly into when you book flights from Idaho to Saint George.

  • How long is the flight from Idaho to Saint George?

    For as low as $238, Delta can have you in Saint George from Idaho in 4h 20m. Airlines will cover a distance of 468 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Idaho to Saint George?

    Most travelers choose Spokane - Saint George, Idaho Falls Fanning Field - Saint George or Boise Air Term. Gowen Fld - Saint George when deciding on the best route from Idaho to Saint George.

  • Can I find deals for flights from Idaho to Saint George that include hotel bookings?

    Yes. In addition to deals on Idaho to Saint George flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Saint George?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Saint George.

  • Can I find deals for business class flights from Idaho to Saint George?

    Yes. Cheapflights offers flight deals from Idaho to Saint George by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Saint George?

    Currently, January is the cheapest month in which you can book a flight from Idaho to Saint George (average of $214). Flying from Idaho to Saint George in November is currently the most expensive (average of $316). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Saint George?

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

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Top 2 airlines flying from Idaho to Saint George

Discover the top 2 airlines that operate flights from Idaho to Saint George. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$210Average$361FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$284FlexibilityNo cancel feeOn-time69%

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