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Saint George

$218+ Cheap flights from Boise to Saint George (BOI - 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SGU
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Boise to Saint George

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Saint George (SGU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 14, 2025.

Round-trip from

$218
(Delta)

Popular in

November

Cheapest in

February

Average price

$328
From Boise Air Term. Gowen Fld to Saint George
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Highest demand for flights based on searches. 28% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Boise to Saint George

Cheapest flights from Boise to Saint George
Explore the most affordable flight options available from Boise to Saint George. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Delta deal was found by Cheapflights users on 9/12. 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 10/306:00 amBOI - SGU
1 stop4h 44mDelta
Sun 11/25:05 amSGU - BOI
1 stop4h 12mDelta
Deal found 9/12$253
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 10/216:40 amBOI - SGU
1 stop4h 33mAmerican Airlines
Sat 10/2512:15 pmSGU - BOI
1 stop7h 22mAmerican Airlines
Deal found 9/12$267
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 11/135:25 pmBOI - SGU
1 stop6h 46mAmerican Airlines
Mon 11/174:45 pmSGU - BOI
1 stop6h 52mAmerican Airlines
Deal found 9/13$316
This Delta deal was found by Cheapflights users on 9/12. 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 12/235:50 amBOI - SGU
1 stop4h 57mDelta
Sat 12/276:42 pmSGU - BOI
1 stop4h 14mDelta
Deal found 9/12$348
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:00 amBOI - SGU
1 stop4h 44mDelta
Mon 10/206:05 amSGU - BOI
1 stop4h 12mDelta
Deal found 9/14$362
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:22 pmBOI - SGU
1 stop6h 48mAmerican Airlines
Fri 10/37:30 amSGU - BOI
1 stop5h 47mAmerican Airlines
Deal found 9/14$370
This Delta deal was found by Cheapflights users on 9/13. 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.
Thu 11/1311:13 amBOI - SGU
1 stop3h 29mDelta
Sun 11/166:00 amSGU - BOI
1 stop4h 18mDelta
Deal found 9/13$376
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 10/215:00 amBOI - SGU
1 stop4h 56mUnited Airlines
Sat 10/2511:25 amSGU - BOI
2 stops12h 17mUnited Airlines
Deal found 9/12$419
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 9/205:43 pmBOI - SGU
1 stop4h 14mDelta
Thu 9/2511:25 amSGU - BOI
1 stop5h 16mDelta
Deal found 9/13$428
This Delta deal was found by Cheapflights users on 9/12. 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 9/126:00 amBOI - SGU
1 stop4h 45mDelta
Fri 9/196:00 amSGU - BOI
1 stop4h 34mDelta
Deal found 9/12$442
This Delta deal was found by Cheapflights users on 9/12. 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 9/2811:27 amBOI - SGU
1 stop5h 25mDelta
Thu 10/26:00 amSGU - BOI
1 stop4h 34mDelta
Deal found 9/12$450
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/275:39 pmBOI - SGU
1 stop5h 17mUnited Airlines
Wed 10/15:18 amSGU - BOI
1 stop4h 35mUnited Airlines
Deal found 9/12$459

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 September 14, 2025.
Use the filters below to find and compare flights from Boise to Saint George that are best for you.

Fly from

Boise

Fly to

Saint George

Route

Depart

Return

Price

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Sat 3/7

1:10 pm-6:35 pm

1 stop5h 25m

Saint George

Wed 3/11

6:15 am-12:18 pm

1 stop6h 03m

$218

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Thu 10/30

6:00 am-10:44 am

1 stop4h 44m

Saint George

Sun 11/2

5:05 am-9:17 am

1 stop4h 12m

$253

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 10/21

6:40 am-11:13 am

1 stop4h 33m

Saint George

Sat 10/25

12:15 pm-7:37 pm

1 stop7h 22m

$267

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Thu 11/13

5:25 pm-12:11 am

1 stop6h 46m

Saint George

Mon 11/17

4:45 pm-11:37 pm

1 stop6h 52m

$316

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Tue 12/23

5:50 am-10:47 am

1 stop4h 57m

Saint George

Sat 12/27

6:42 pm-10:56 pm

1 stop4h 14m

$348

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Mon 10/13

6:00 am-10:44 am

1 stop4h 44m

Saint George

Mon 10/20

6:05 am-10:17 am

1 stop4h 12m

$362

BoiseSaint George

BOI - SGU

BOISGU

Boise Air Term. Gowen Fld

Mon 9/29

5:22 pm-12:10 am

1 stop6h 48m

Saint George

Fri 10/3

7:30 am-1:17 pm

1 stop5h 47m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Boise to Saint George

Have a flexible travel schedule? Discover the best time to fly to Saint George from Boise 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 Boise to Saint George

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

Currently, November is the cheapest month in which you can book a flight from Boise to Saint George (average of $323). Flying from Boise to Saint George in May is currently the most expensive (average of $497). 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 BOI to SGU?

Find hourly flight availability from Boise 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 September 14, 2025.

It’s typically best to fly out from Boise to Saint George in the afternoon. Doing so could potentially save you 26% on the flight price compared to flying in the evening, which is usually more expensive.

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

Reviews of airlines servicing Saint George

Get insights into the airlines that provide service to Saint George. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint George. Reviews last updated September 14, 2025.
Read through reviews of airlines operating flights from Boise to Saint George, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,959 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,959 reviews
Delta
8.0
Very good
7,959 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

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

    Delta and American Airlines can get you from Boise to Saint George in just under 4h 33m. Your travel time can differ by up to 52m. The distance between Boise and Saint George is about 468 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Boise to Saint George round-trip?

    Delta, at $218, was found to be the cheapest airline from Boise to Saint George.. You may be able to fly from Boise to Saint George for 34% less than the average price by searching for this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Saint George?

    Currently, November is the cheapest month in which you can book a flight from Boise to Saint George (average of $323). Flying from Boise to Saint George in May is currently the most expensive (average of $497). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Boise to Saint George

Discover the top airline that operate flights from Boise 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$318FlexibilityNo cancel feeOn-timeN/A

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