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Saint George

$210+ Cheap flights from Idaho to Saint George (SGU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SGU
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/13. 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.
Fri 12/265:00 amBOI - SGU
1 stop5h 20mUnited Airlines
Sun 12/285:10 amSGU - BOI
1 stop4h 51mUnited Airlines
Deal found 12/13$319
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/244:00 pmGEG - SGU
1 stop6h 04mUnited Airlines
Thu 12/251:51 pmSGU - GEG
1 stop8h 07mUnited Airlines
Deal found 12/15$328
This Delta deal was found by Cheapflights users on 12/15. 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 12/245:55 amGEG - SGU
1 stop3h 54mDelta
Tue 12/306:42 pmSGU - GEG
1 stop6h 17mDelta
Deal found 12/15$388
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Mon 12/295:00 amIDA - SGU
1 stop5h 20mUnited Airlines
Fri 1/25:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Deal found 12/14$389
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/315:00 amBOI - SGU
1 stop5h 20mUnited Airlines
Sun 1/45:36 pmSGU - BOI
1 stop5h 04mUnited Airlines
Deal found 12/15$396
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/244:00 pmGEG - SGU
1 stop6h 04mUnited Airlines
Thu 1/11:51 pmSGU - GEG
1 stop8h 07mUnited Airlines
Deal found 12/15$399
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Wed 12/245:12 pmBOI - SGU
1 stop5h 52mUnited Airlines
Sun 12/285:10 amSGU - BOI
1 stop4h 51mUnited Airlines
Deal found 12/14$402
This Delta deal was found by Cheapflights users on 12/13. 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 12/235:55 amGEG - SGU
1 stop3h 54mDelta
Fri 12/266:00 amSGU - GEG
1 stop4h 08mDelta
Deal found 12/13$413
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Fri 12/195:23 pmBOI - SGU
1 stop6h 51mAmerican Airlines
Mon 12/224:45 pmSGU - BOI
1 stop6h 55mAmerican Airlines
Deal found 12/13$452
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Fri 12/265:00 amBOI - SGU
1 stop5h 20mUnited Airlines
Thu 1/11:51 pmSGU - BOI
1 stop7h 40mUnited Airlines
Deal found 12/14$458
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/285:00 amIDA - SGU
1 stop5h 20mUnited Airlines
Thu 1/11:51 pmSGU - IDA
1 stop7h 23mUnited Airlines
Deal found 12/13$470
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/174:19 pmIDA - SGU
1 stop6h 39mUnited Airlines
Sat 12/205:10 amSGU - IDA
1 stop4h 48mUnited Airlines
Deal found 12/15$494

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$210
(Delta)

Popular in

November

Cheapest in

February

Average price

$308
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
Highest demand for flights based on searches. 14% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 15, 2025.
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

Sun 1/11

5:45 am-10:49 am

1 stop5h 04m

Saint George

Sun 1/18

5:50 am-10:24 am

1 stop4h 34m

$210

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Sun 1/18

5:25 am-10:49 am

1 stop5h 24m

Saint George

Wed 2/4

7:10 pm-10:57 pm

1 stop3h 47m

$210

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Tue 1/20

6:35 pm-9:53 pm

1 stop3h 18m

Saint George

Wed 2/4

7:10 pm-10:57 pm

1 stop3h 47m

$210

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Sun 1/11

10:15 am-4:05 pm

1 stop5h 50m

Saint George

Sun 1/18

5:10 am-10:06 am

1 stop4h 56m

$219

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Fri 2/6

6:20 pm-11:58 pm

1 stop5h 38m

Saint George

Mon 2/9

5:50 am-10:24 am

1 stop4h 34m

$238

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Mon 1/12

5:45 am-10:49 am

1 stop5h 04m

Saint George

Mon 1/19

5:50 am-10:24 am

1 stop4h 34m

$238

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Fri 1/9

1:00 pm-6:32 pm

1 stop5h 32m

Saint George

Fri 1/16

5:50 am-10:24 am

1 stop4h 34m

$238

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Wed 2/18

10:45 am-4:50 pm

1 stop6h 05m

Saint George

Sat 2/21

5:50 am-9:47 am

1 stop3h 57m

$238

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Thu 1/8

6:35 pm-11:58 pm

1 stop5h 23m

Saint George

Fri 1/16

11:30 am-5:51 pm

1 stop6h 21m

$238

Idaho FallsSaint George

IDA - SGU

IDASGU

Idaho Falls Fanning Field

Tue 1/20

6:35 pm-9:53 pm

1 stop3h 18m

Saint George

Thu 2/5

11:30 am-5:51 pm

1 stop6h 21m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 35 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 $218). 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.

What is the cheapest time of day to fly from ID to SGU?

Find hourly flight availability from Idaho to Saint George. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

When flying from Idaho to Saint George, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 38% versus a flight in the evening.

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 $210, Delta can have you in Saint George from Idaho in 5h 04m. 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 Boise Air Term. Gowen Fld - Saint George, Spokane - Saint George or Idaho Falls Fanning Field - 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 $218). 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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Alternative routes for Idaho to Saint George

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Idaho to Saint George

Discover the top airline 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$357FlexibilityNo cancel feeOn-timeN/A

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