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$278+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SGU — BOI
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
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 June 21, 2026.

This United Airlines deal was found by Cheapflights users on 6/19. 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 7/105:41 pm
SGU
-
BOI
1 stop4h 56m
United Airlines
Tue 7/145:00 am
BOI
-
SGU
1 stop4h 51m
United Airlines
Deal found 6/19$278
This Delta deal was found by Cheapflights users on 6/18. 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 7/95:50 am
SGU
-
BOI
1 stop3h 39m
Delta
Mon 7/136:42 pm
BOI
-
SGU
1 stop3h 13m
Delta
Deal found 6/18$312
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/312:11 pm
SGU
-
BOI
1 stop7h 07m
United Airlines
Tue 7/76:30 am
BOI
-
SGU
1 stop6h 43m
United Airlines
Deal found 6/17$332
This United Airlines deal was found by Cheapflights users on 6/18. 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 6/275:10 am
SGU
-
BOI
1 stop4h 43m
United Airlines
Sun 6/285:00 am
BOI
-
SGU
1 stop5h 19m
United Airlines
Deal found 6/18$348
This United Airlines deal was found by Cheapflights users on 6/19. 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 7/35:41 pm
SGU
-
BOI
1 stop4h 56m
United Airlines
Mon 7/65:46 pm
BOI
-
SGU
1 stop5h 11m
United Airlines
Deal found 6/19$349
This Delta deal was found by Cheapflights users on 6/17. 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 6/271:15 pm
SGU
-
BOI
1 stop3h 37m
Delta
Thu 7/236:42 pm
BOI
-
SGU
1 stop3h 13m
Delta
Deal found 6/17$351
This United Airlines deal was found by Cheapflights users on 6/20. 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 12/88:39 am
SGU
-
BOI
1 stop4h 51m
United Airlines
Sat 12/125:22 pm
BOI
-
SGU
1 stop4h 55m
United Airlines
Deal found 6/20$363
This Delta deal was found by Cheapflights users on 6/19. 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 7/1611:27 am
SGU
-
BOI
1 stop6h 24m
Delta
Sun 7/196:00 am
BOI
-
SGU
1 stop4h 43m
Delta
Deal found 6/19$370
This United Airlines deal was found by Cheapflights users on 6/19. 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 7/25:10 am
SGU
-
BOI
1 stop4h 43m
United Airlines
Wed 7/86:30 am
BOI
-
SGU
1 stop6h 43m
United Airlines
Deal found 6/19$379
This Delta deal was found by Cheapflights users on 6/18. 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 6/2611:25 am
SGU
-
BOI
1 stop6h 27m
Delta
Sun 6/286:42 pm
BOI
-
SGU
1 stop3h 14m
Delta
Deal found 6/18$390
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/165:10 am
SGU
-
BOI
1 stop4h 43m
United Airlines
Thu 7/235:00 am
BOI
-
SGU
1 stop5h 19m
United Airlines
Deal found 6/17$392
This Delta deal was found by Cheapflights users on 6/20. 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 6/255:50 am
SGU
-
BOI
1 stop3h 42m
Delta
Sun 6/286:42 pm
BOI
-
SGU
1 stop3h 14m
Delta
Deal found 6/20$402

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 June 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$476
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
Highest demand for flights based on searches. 21% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 21, 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

Fri 7/10

5:41 pm-10:37 pm

1 stop4h 56m

Boise Air Term. Gowen Fld

Tue 7/14

5:00 am-9:51 am

1 stop4h 51m

$278

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Fri 7/3

12:11 pm-7:18 pm

1 stop7h 07m

Boise Air Term. Gowen Fld

Tue 7/7

6:30 am-1:13 pm

1 stop6h 43m

$332

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Tue 12/8

8:39 am-1:30 pm

1 stop4h 51m

Boise Air Term. Gowen Fld

Sat 12/12

5:22 pm-10:17 pm

1 stop4h 55m

$363

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Thu 7/16

5:10 am-9:53 am

1 stop4h 43m

Boise Air Term. Gowen Fld

Thu 7/23

5:00 am-10:19 am

1 stop5h 19m

$392
Quickest round-trip

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Thu 7/2

5:10 am-9:53 am

1 stop4h 43m

Boise Air Term. Gowen Fld

Tue 7/7

5:00 am-9:51 am

1 stop4h 51m

$406

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Fri 7/3

11:25 am-4:52 pm

1 stop5h 27m

Boise Air Term. Gowen Fld

Wed 7/8

1:05 pm-6:38 pm

1 stop5h 33m

$423

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Sat 7/18

5:10 am-10:37 pm

1 stop17h 27m

Boise Air Term. Gowen Fld

Sat 7/25

5:00 am-9:51 am

1 stop4h 51m

$465

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Thu 7/2

1:48 pm-9:29 pm

1 stop7h 41m

Boise Air Term. Gowen Fld

Sun 7/5

6:30 am-1:13 pm

1 stop6h 43m

$485
Cheapest one-way

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Sun 8/2

1:48 pm-9:29 pm

1 stop7h 41m

$287

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

Wed 7/1

7:25 am-1:29 pm

1 stop6h 04m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 13 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 June.
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, February is the cheapest month in which you can book a flight from Saint George to Boise (average of $258). 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 June 21, 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
7.8
Good
8,423 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,423 reviews
Delta
7.8
Good
8,423 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,868 reviews
Delta
7.8
Good
8,423 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.8

Comfort

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 4h 56m. There are 468 mi between Saint George and Boise.

  • 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 $228 on this airline. An additional option worth looking into is United Airlines, starting at $264. 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, February is the cheapest month in which you can book a flight from Saint George to Boise (average of $258). 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
Meridian
Nampa
Caldwell
Ontario
McCall

Browse thousands of different options on Cheapflights for your next trip

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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 June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$388FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$318FlexibilityNo cancel feeOn-time69%

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