How long is the flight from Saint George to Boise?

Departing from Saint George to Boise will take you 4h 33m. 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 United Airlines. Our recent data shows that you can find tickets from as low as $268 on this airline. An additional option worth looking into is Delta, starting at $302. United Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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

When flying from Saint George to Boise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$267+ Cheap Flights from Saint George to Boise

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Cheap flight deals from Saint George to Boise

Cheapest

Best

Last-minute

One-way

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 August 19, 2026.

Fri 12/115:10 am -

1 stop4h 33m

Sun 1/105:22 pm -

1 stop4h 55m

Deal found 8/15

$288

Tue 9/11:50 pm -

1 stop7h 47m

Sat 9/56:30 am -

1 stop6h 40m

Deal found 8/17

$318

Fri 10/235:31 pm -

1 stop6h 28m

Sun 10/256:00 am -

1 stop4h 47m

Deal found 8/17

$328

Mon 8/241:50 pm -

1 stop7h 47m

Tue 9/15:00 am -

1 stop5h 20m

Deal found 8/17

$338

Sun 8/165:00 am -

1 stop4h 35m

Sat 8/226:30 am -

1 stop6h 40m

Deal found 8/15

$368

Fri 8/215:00 am -

1 stop4h 35m

Sun 8/235:00 am -

1 stop5h 20m

Deal found 8/18

$378

Fri 8/2111:27 am -

1 stop6h 28m

Mon 8/2411:12 am -

1 stop3h 31m

Deal found 8/18

$418

Fri 8/2111:27 am -

1 stop6h 28m

Sun 8/236:00 am -

1 stop4h 44m

Deal found 8/19

$420

Fri 10/235:00 am -

1 stop4h 34m

Sun 10/256:20 am -

2 stops13h 13m

Deal found 8/14

$472

Fri 12/115:10 am -

1 stop4h 33m

Sat 1/96:20 am -

2 stops13h 09m

Deal found 8/15

$477

Fri 12/115:10 am -

1 stop4h 33m

Fri 1/86:20 am -

2 stops13h 09m

Deal found 8/15

$512

Best flights from Saint George to Boise
Discover carefully curated flight deals from Saint George to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.

Fri 12/115:10 am -

1 stop4h 33m

Sat 1/95:22 pm -

1 stop4h 55m

Deal found 8/15

$288

Mon 12/215:50 am -

1 stop6h 27m

Sat 12/265:45 pm -

1 stop4h 20m

Deal found 8/18

$328

Fri 12/115:10 am -

1 stop4h 33m

Sun 1/105:22 pm -

1 stop4h 55m

Deal found 8/15

$288

Fri 10/235:31 pm -

1 stop6h 28m

Sun 10/256:00 am -

1 stop4h 47m

Deal found 8/17

$328

Tue 9/11:50 pm -

1 stop7h 47m

Sat 9/56:30 am -

1 stop6h 40m

Deal found 8/17

$318

Thu 10/811:27 am -

1 stop6h 32m

Sun 10/111:06 pm -

1 stop3h 50m

Deal found 8/15

$328

Wed 9/25:00 am -

1 stop4h 35m

Sun 9/66:30 am -

1 stop6h 45m

Deal found 8/18

$318

Fri 10/231:50 pm -

1 stop7h 45m

Sun 10/256:20 am -

2 stops13h 13m

Deal found 8/17

$472

Fri 12/115:10 am -

1 stop4h 33m

Fri 1/86:20 am -

2 stops13h 09m

Deal found 8/15

$512

Fri 9/115:00 am -

1 stop4h 35m

Mon 9/145:40 pm -

2 stops25h 30m

Deal found 8/14

$555

Last-minute flights from Saint George to Boise
Discover last-minute flight deals from Saint George to Boise. Data last updated August 19, 2026 and is based on user searches.

Fri 8/215:00 am -

1 stop4h 35m

Sun 8/235:00 am -

1 stop5h 20m

Deal found 8/18

$378

Fri 8/2111:27 am -

1 stop6h 28m

Mon 8/2411:12 am -

1 stop3h 31m

Deal found 8/18

$418

Fri 8/2111:27 am -

1 stop6h 28m

Sun 8/236:00 am -

1 stop4h 44m

Deal found 8/19

$420

Mon 8/241:50 pm -

1 stop7h 47m

Tue 9/15:00 am -

1 stop5h 20m

Deal found 8/17

$338

Sun 8/305:00 am -

1 stop4h 35m

Thu 9/35:44 pm -

1 stop4h 30m

Deal found 8/15

$634

Tue 9/11:50 pm -

1 stop7h 47m

Sat 9/56:30 am -

1 stop6h 40m

Deal found 8/17

$318

Wed 9/25:00 am -

1 stop4h 35m

Sun 9/66:15 am -

2 stops28h 05m

Deal found 8/18

$596

Wed 9/210:55 am -

1 stop7h 03m

Fri 9/45:44 pm -

1 stop16h 36m

Deal found 8/17

$626

Fri 9/115:50 am -

1 stop4h 27m

Mon 9/1411:12 am -

1 stop3h 34m

Deal found 8/14

$328

Fri 9/115:00 am -

1 stop4h 35m

Mon 9/145:40 pm -

2 stops25h 30m

Deal found 8/14

$555

Sun 9/135:50 am -

1 stop4h 27m

Sat 9/261:06 pm -

1 stop5h 35m

Deal found 8/19

$570

Find flight deals from Saint George to Boise

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$288 (United Airlines)
One-way from	$267 (Delta)
Popular in	December
Cheapest in	February
Average price	$373

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. 17% potential increase in price ($92 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Fri 12/11

5:10 am-9:43 am

1 stop4h 33m

Boise Air Term. Gowen Fld

Sat 1/9

5:22 pm-10:17 pm

1 stop4h 55m

$288

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Fri 12/11

5:10 am-9:43 am

1 stop4h 33m

Boise Air Term. Gowen Fld

Sun 1/10

5:22 pm-10:17 pm

1 stop4h 55m

$288

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Tue 9/1

1:50 pm-9:37 pm

1 stop7h 47m

Boise Air Term. Gowen Fld

Sat 9/5

6:30 am-1:10 pm

1 stop6h 40m

$318

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Wed 9/2

5:00 am-9:35 am

1 stop4h 35m

Boise Air Term. Gowen Fld

Sun 9/6

6:30 am-1:15 pm

1 stop6h 45m

$318

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Mon 12/21

5:50 am-12:17 pm

1 stop6h 27m

Boise Air Term. Gowen Fld

Sat 12/26

5:45 pm-10:05 pm

1 stop4h 20m

$328

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Fri 10/23

5:31 pm-11:59 pm

1 stop6h 28m

Boise Air Term. Gowen Fld

Sun 10/25

6:00 am-10:47 am

1 stop4h 47m

$328

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Thu 10/8

11:27 am-5:59 pm

1 stop6h 32m

Boise Air Term. Gowen Fld

Sun 10/11

1:06 pm-4:56 pm

1 stop3h 50m

$328

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Fri 10/23

1:50 pm-9:35 pm

1 stop7h 45m

Boise Air Term. Gowen Fld

Sun 10/25

6:20 am-7:33 pm

2 stops13h 13m

$472

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Fri 12/11

5:10 am-9:43 am

1 stop4h 33m

Boise Air Term. Gowen Fld

Fri 1/8

6:20 am-7:29 pm

2 stops13h 09m

$512

Saint GeorgeBoise

SGU Saint George - BOI Boise Air Term. Gowen Fld

SGUBOI

Saint George

Fri 9/11

5:00 am-9:35 am

1 stop4h 35m

Boise Air Term. Gowen Fld

Mon 9/14

5:40 pm-7:10 pm

2 stops25h 30m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 15 resultsSorted by cheapest first

Compare providers for flights from Saint George to Boise

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 August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

SGU-BOI

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?

Airfare is below average for this route at the moment.

Saint George to Boise flights typically cost between $293 and $524 in December.
The cheapest round-trip price found within the last 5 days was $288 on United Airlines (Dec 11-Jan 10).

Reviews of airlines servicing Boise

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

8,500 reviews

Reviews

1 / 20

10.0

Excellent

Allan,Aug 2023

SLC - MCO

A smooth and relaxing flight. Delta did everything right. Organized boarding, clean and comfortable plane, polite and caring service, and early arrival. Well done

Delta

7.8

Good

8,500 reviews

Delta

7.8

Good

8,500 reviews

Reviews

1 / 20

10.0

Excellent

Allan,Aug 2023

SLC - MCO

A smooth and relaxing flight. Delta did everything right. Organized boarding, clean and comfortable plane, polite and caring service, and early arrival. Well done

United Airlines

7.4

Good

10,104 reviews

Delta

7.8

Good

8,500 reviews

Reviews

1 / 20

10.0

Excellent

Allan,Aug 2023

SLC - MCO

A smooth and relaxing flight. Delta did everything right. Organized boarding, clean and comfortable plane, polite and caring service, and early arrival. Well done

Related info for your journey

How long is the flight from Saint George to Boise?
Departing from Saint George to Boise will take you 4h 33m. 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 United Airlines. Our recent data shows that you can find tickets from as low as $268 on this airline. An additional option worth looking into is Delta, starting at $302. United Airlines 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 $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

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Top 2 airlines flying from Saint George to Boise

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$268	Average$318	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$302	Average$452	FlexibilityNo cancel fee	On-timeN/A

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$267+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Saint George to Boise with Cheapflights

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Cheap flight deals from Saint George to Boise

Cheapest flights from Saint George to BoiseExplore 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 August 19, 2026.

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 August 19, 2026.

Best flights from Saint George to BoiseDiscover carefully curated flight deals from Saint George to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.

Discover carefully curated flight deals from Saint George to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.

Last-minute flights from Saint George to BoiseDiscover last-minute flight deals from Saint George to Boise. Data last updated August 19, 2026 and is based on user searches.

Discover last-minute flight deals from Saint George to Boise. Data last updated August 19, 2026 and is based on user searches.

One-way flights from Saint George to BoiseSearch for one-way flight options from Saint George to Boise. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.

Search for one-way flight options from Saint George to Boise. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.

Find flight deals from Saint George to Boise

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Saint George to Boise that are best for you.

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 August.

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.

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

Saint George to Boise flights typically cost between $293 and $524 in December.The cheapest round-trip price found within the last 5 days was $288 on United Airlines (Dec 11-Jan 10).

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 August 19, 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.

Related info for your journey

How long is the flight from Saint George to Boise?

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

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

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

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

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

Traveling to a place near Boise?

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Alternative routes for Saint George to Boise

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Boise

Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 19, 2026.

Complete your trip

Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Saint George to Boise by cabin class

Find flights from Saint George to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Saint George and Boise flights

Browse other Saint George and Boise flight options. Last updated on August 19, 2026.

Other flights from Saint George

Browse through other flights departing from Saint George. Flights are based on user searches made on Cheapflights and were last updated on August 19, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Saint George to Boise

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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 August 19, 2026.

Best flights from Saint George to Boise
Discover carefully curated flight deals from Saint George to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.

Last-minute flights from Saint George to Boise
Discover last-minute flight deals from Saint George to Boise. Data last updated August 19, 2026 and is based on user searches.

One-way flights from Saint George to Boise
Search for one-way flight options from Saint George to Boise. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.

Saint George to Boise flights typically cost between $293 and $524 in December.
The cheapest round-trip price found within the last 5 days was $288 on United Airlines (Dec 11-Jan 10).