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$218+ Cheap flights from Saint George to Boise (SGU - BOI)

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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — BOI
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find 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 October 27, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:30 amSGU - BOI
1 stop6h 16mAmerican Airlines
Sat 11/156:37 amBOI - SGU
1 stop4h 33mAmerican Airlines
Deal found 10/27$278
This Delta deal was found by Cheapflights users on 10/24. 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.
Tue 11/256:00 amSGU - BOI
1 stop4h 12mDelta
Mon 12/295:50 amBOI - SGU
1 stop4h 59mDelta
Deal found 10/24$423
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:45 pmSGU - BOI
1 stop21h 01mAmerican Airlines
Fri 11/142:16 pmBOI - SGU
1 stop20h 54mAmerican Airlines
Deal found 10/26$458
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/101:45 pmSGU - BOI
1 stop7h 36mUnited Airlines
Fri 11/145:00 amBOI - SGU
1 stop5h 07mUnited Airlines
Deal found 10/26$470
This Delta deal was found by Cheapflights users on 10/27. 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 11/256:00 amSGU - BOI
1 stop4h 12mDelta
Sat 11/2911:10 amBOI - SGU
1 stop5h 45mDelta
Deal found 10/27$493
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/115:30 pmSGU - BOI
3 stops20h 14mUnited Airlines
Sat 11/155:17 pmBOI - SGU
1 stop5h 41mUnited Airlines
Deal found 10/27$592
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Sat 12/275:10 amSGU - BOI
1 stop16h 16mUnited Airlines
Sat 1/35:00 amBOI - SGU
1 stop5h 20mUnited Airlines
Deal found 10/26$617
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Tue 11/2511:30 amSGU - BOI
2 stops11h 58mUnited Airlines
Mon 12/296:15 amBOI - SGU
1 stop6h 58mUnited Airlines
Deal found 10/24$641

Cheap 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 October 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$218
(Delta)

Popular in

June

Cheapest in

December

Average price

$416
Provider with most accurate pricing for Saint George-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Saint George-Boise Air Term. Gowen Fld flights.
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From Saint George to Boise Air Term. Gowen Fld
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 27, 2025.
Use the filters below to find and compare flights from Saint George to Boise that are best for you.

Fly from

Saint George

Fly to

Boise

Route

Depart

Return

Price

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Fri 1/30

11:23 am-5:15 pm

1 stop5h 52m

Boise Air Term. Gowen Fld

Fri 2/6

2:48 pm-9:52 pm

1 stop7h 04m

$218

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Tue 3/3

6:15 am-12:18 pm

1 stop6h 03m

Boise Air Term. Gowen Fld

Sat 3/7

1:10 pm-6:35 pm

1 stop5h 25m

$218

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Tue 11/11

7:30 am-1:46 pm

1 stop6h 16m

Boise Air Term. Gowen Fld

Sat 11/15

6:37 am-11:10 am

1 stop4h 33m

$278

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Tue 11/25

6:00 am-10:12 am

1 stop4h 12m

Boise Air Term. Gowen Fld

Mon 12/29

5:50 am-10:49 am

1 stop4h 59m

$423

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Fri 4/10

11:30 am-9:08 pm

2 stops9h 38m

Boise Air Term. Gowen Fld

Tue 4/14

5:00 am-9:39 am

1 stop4h 39m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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, February is the cheapest month in which you can book a flight from Saint George to Boise (average of $218). Flying from Saint George to Boise in June is currently the most expensive (average of $320). 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 SGU to BOI?

Find hourly flight availability from Saint George to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

One of the essential ways to save on airfare from Saint George to Boise is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 24% on airfare.

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 October 27, 2025.
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
7,996 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 5h 52m. 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 36% 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, February is the cheapest month in which you can book a flight from Saint George to Boise (average of $218). Flying from Saint George to Boise in June is currently the most expensive (average of $320). 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$351FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$223Average$360FlexibilityNo cancel feeOn-time69%

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