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$235+ Cheap flights from Saint George to Boise (SGU - BOI)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — BOI
Apr 26 — May 31
Sun 4/26
Sun 5/3
1 adult, Economy
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Cheap flight deals from Saint George to Boise

Cheapest flights from Saint George to Boise
Explore the most affordable flight options available from Saint George to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2026.

This United Airlines deal was found by Cheapflights users on 3/27. 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 4/185:16 am
SGU
-
BOI
1 stop4h 38m
United Airlines
Sun 4/195:00 am
BOI
-
SGU
1 stop5h 09m
United Airlines
Deal found 3/27$298
This Delta deal was found by Cheapflights users on 3/24. 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 4/96:00 am
SGU
-
BOI
1 stop3h 27m
Delta
Mon 4/1312:52 pm
BOI
-
SGU
1 stop4h 00m
Delta
Deal found 3/24$308
This Delta deal was found by Cheapflights users on 3/23. 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 4/38:55 am
SGU
-
BOI
1 stop3h 10m
Delta
Tue 4/76:00 am
BOI
-
SGU
1 stop4h 48m
Delta
Deal found 3/23$318
This Delta deal was found by Cheapflights users on 3/22. 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 4/305:50 am
SGU
-
BOI
1 stop4h 03m
Delta
Sat 5/212:52 pm
BOI
-
SGU
1 stop5h 44m
Delta
Deal found 3/22$322
This United Airlines deal was found by Cheapflights users on 3/23. 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 4/85:16 am
SGU
-
BOI
1 stop4h 38m
United Airlines
Sun 4/125:00 am
BOI
-
SGU
1 stop5h 09m
United Airlines
Deal found 3/23$328
This United Airlines deal was found by Cheapflights users on 3/23. 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 8/255:30 pm
SGU
-
BOI
1 stop5h 02m
United Airlines
Sat 8/295:44 pm
BOI
-
SGU
1 stop4h 33m
United Airlines
Deal found 3/23$368
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:16 am
SGU
-
BOI
1 stop4h 38m
United Airlines
Sat 4/2510:35 am
BOI
-
SGU
1 stop7h 41m
United Airlines
Deal found 3/26$397
This Delta deal was found by Cheapflights users on 3/27. 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.
Mon 5/185:50 am
SGU
-
BOI
1 stop3h 42m
Delta
Tue 5/196:41 pm
BOI
-
SGU
1 stop3h 10m
Delta
Deal found 3/27$400
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/95:16 am
SGU
-
BOI
1 stop4h 38m
United Airlines
Mon 4/135:00 am
BOI
-
SGU
1 stop5h 09m
United Airlines
Deal found 3/24$408
This American Airlines deal was found by Cheapflights users on 3/23. 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 3/274:31 pm
SGU
-
BOI
1 stop7h 07m
American Airlines
Sun 3/296:38 am
BOI
-
SGU
1 stop4h 43m
American Airlines
Deal found 3/23$433
This Delta deal was found by Cheapflights users on 3/27. 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 6/128:50 am
SGU
-
BOI
1 stop3h 25m
Delta
Sun 6/146:42 pm
BOI
-
SGU
1 stop3h 14m
Delta
Deal found 3/27$448

Find flight deals from Saint George to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Saint George (SGU) to Boise (BOI). 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 March 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(United Airlines)

One-way from

$235
(Delta)

Popular in

December

Cheapest in

February

Average price

$363
Provider with most accurate pricing for Saint George-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Saint George-Boise Air Term. Gowen Fld flights.
Search Deals
From Saint George to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Saint George to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Saint George to Boise 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 March 27, 2026.
Use the filters below to find and compare flights from Saint George to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Sat 4/11

5:16 am-9:54 am

1 stop4h 38m

Boise Air Term. Gowen Fld

Wed 4/15

5:00 am-10:09 am

1 stop5h 09m

$308

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Thu 4/9

6:00 am-9:27 am

1 stop3h 27m

Boise Air Term. Gowen Fld

Mon 4/13

12:52 pm-4:52 pm

1 stop4h 00m

$308

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Thu 4/30

5:50 am-9:53 am

1 stop4h 03m

Boise Air Term. Gowen Fld

Sat 5/2

12:52 pm-6:36 pm

1 stop5h 44m

$322

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 4/8

5:16 am-9:54 am

1 stop4h 38m

Boise Air Term. Gowen Fld

Sun 4/12

5:00 am-10:09 am

1 stop5h 09m

$328

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Tue 8/25

5:30 pm-10:32 pm

1 stop5h 02m

Boise Air Term. Gowen Fld

Sat 8/29

5:44 pm-10:17 pm

1 stop4h 33m

$368

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 4/22

5:16 am-9:54 am

1 stop4h 38m

Boise Air Term. Gowen Fld

Sat 4/25

10:35 am-6:16 pm

1 stop7h 41m

$397

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Mon 5/18

5:50 am-9:32 am

1 stop3h 42m

Boise Air Term. Gowen Fld

Tue 5/19

6:41 pm-9:51 pm

1 stop3h 10m

$400
Quickest round-trip

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Fri 6/12

8:50 am-12:15 pm

1 stop3h 25m

Boise Air Term. Gowen Fld

Sun 6/14

6:42 pm-9:56 pm

1 stop3h 14m

$448

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 4/8

6:00 am-9:27 am

1 stop3h 27m

Boise Air Term. Gowen Fld

Fri 4/10

8:00 am-12:31 pm

1 stop4h 31m

$460
Cheapest one-way
Quickest one-way

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Thu 4/9

6:00 am-9:27 am

1 stop3h 27m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Saint George to Boise

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Saint George to Boise in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Saint George-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint George-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint George-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Saint George-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint George-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Saint George to Boise

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

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

Currently, September is the cheapest month in which you can book a flight from Saint George to Boise (average of $225). Flying from Saint George to Boise in December is currently the most expensive (average of $685). 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 Saint George to Boise?

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated March 27, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Saint George to Boise. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,356 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,356 reviews
Delta
7.9
Good
8,356 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,499 reviews
Delta
7.9
Good
8,356 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Saint George to Boise. 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 Saint George to Boise?

    Departing from Saint George to Boise will take you 3h 27m. There are 468 mi between Saint George and Boise. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Saint George to Boise round-trip?

    Our cheapest airline available from Saint George to Boise is Delta. Our recent data shows that you can find tickets from as low as $218 on this airline. An additional option worth looking into is United Airlines, starting at $223. Delta is 43% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Saint George to Boise (average of $225). Flying from Saint George to Boise in December is currently the most expensive (average of $685). 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 Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 2 airlines flying from Saint George to Boise

Discover the top 2 airlines that operate flights from Saint George to Boise. 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 March 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$373FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$308FlexibilityNo cancel feeOn-time69%

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