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

Flying on American Airlines is currently your cheapest option to Boise, with prices starting at $351. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at $354 and $399, respectively. These flights start at 25% lower than the current average price 3 months from now.

What is the cheapest day to fly from Greenville to Boise?

Travelers seeking maximum savings on their Greenville to Boise flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 are the most popular airlines that fly from Greenville to Boise?

When booking a flight from Greenville to Boise, you may want to consider flying on American Airlines, Delta or United Airlines as they are the most popular for this route.

What is the cheapest day to fly round-trip from Greenville to Boise?

Saturday flights are found to be more expensive to fly from Greenville to Boise. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boise.

What is the cheapest month to fly from Greenville to Boise?

Flights from Greenville to Boise lean towards being more expensive in December. Prices are generally better when you fly from Greenville to Boise in August, with the cheapest ticket starting at $283.

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

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

How can I find direct flights from Greenville to Boise?

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

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

Yes. Cheapflights offers flight deals from Greenville 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.

$264+ Flights from Greenville to Boise

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Cheap flight deals from Greenville to Boise

Round-trip from	$351 (American Airlines)
One-way from	$264 (United Airlines)
Popular in	December
Cheapest in	August
Average price	$434

From Greenville to Boise Air Term. Gowen Fld

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One-way flight from Greenville to Boise Air Term. Gowen Fld

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Highest demand for flights based on searches. 16% potential increase in price ($97 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Greenville to Boise

Cheapest flights from Greenville to Boise
Explore the most affordable flight options available from Greenville to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Tue 8/127:41 amGSP - BOI

1 stop7h 05mAmerican Airlines

Wed 8/201:36 pmBOI - GSP

1 stop6h 54mAmerican Airlines

Deal found 7/1

$351

Sat 8/235:30 amGSP - BOI

1 stop8h 54mDelta

Tue 8/261:30 pmBOI - GSP

1 stop8h 04mDelta

Deal found 7/1

$354

Wed 9/243:25 pmGSP - BOI

2 stops9h 40mSouthwest

Sun 9/285:25 pmBOI - GSP

2 stops14h 30mSouthwest

Deal found 7/1

$399

Sat 9/204:30 pmGSP - BOI

1 stop7h 51mUnited Airlines

Thu 9/2512:35 pmBOI - GSP

1 stop6h 43mUnited Airlines

Deal found 7/1

$817

Best flights from Greenville to Boise
Discover carefully curated flight deals from Greenville to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Tue 8/127:41 amGSP - BOI

1 stop7h 05mAmerican Airlines

Wed 8/201:36 pmBOI - GSP

1 stop6h 54mAmerican Airlines

Deal found 7/1

$351

Sat 8/235:30 amGSP - BOI

1 stop8h 54mDelta

Tue 8/261:30 pmBOI - GSP

1 stop8h 04mDelta

Deal found 7/1

$354

Wed 9/243:25 pmGSP - BOI

2 stops9h 40mSouthwest

Sun 9/285:25 pmBOI - GSP

2 stops14h 30mSouthwest

Deal found 7/1

$399

Sat 9/204:30 pmGSP - BOI

1 stop7h 51mUnited Airlines

Thu 9/2512:35 pmBOI - GSP

1 stop6h 43mUnited Airlines

Deal found 7/1

$817

Last-minute flights from Greenville to Boise
Discover last-minute flight deals from Greenville to Boise. Data last updated July 2, 2025 and is based on user searches.

Tue 8/127:41 amGSP - BOI

1 stop7h 05mAmerican Airlines

Wed 8/201:36 pmBOI - GSP

1 stop6h 54mAmerican Airlines

Deal found 7/1

$351

Sat 8/235:30 amGSP - BOI

1 stop8h 54mDelta

Tue 8/261:30 pmBOI - GSP

1 stop8h 04mDelta

Deal found 7/1

$354

One-way flights from Greenville to Boise
Search for one-way flight options from Greenville to Boise. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Tue 7/154:25 pmGSP - BOI

1 stop7h 09mUnited Airlines

Deal found 7/1

$264

Tue 7/154:07 pmGSP - BOI

2 stops9h 26mAmerican Airlines

Deal found 7/1

$269

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

GreenvilleBoise

GSP - BOI

GSPBOI

Greenville

Tue 8/12

7:41 am-12:46 pm

1 stop7h 05m

Boise Air Term. Gowen Fld

Wed 8/20

1:36 pm-10:30 pm

1 stop6h 54m

$351

GreenvilleBoise

GSP - BOI

GSPBOI

Greenville

Sat 8/23

5:30 am-12:24 pm

1 stop8h 54m

Boise Air Term. Gowen Fld

Tue 8/26

1:30 pm-11:34 pm

1 stop8h 04m

$354

GreenvilleBoise

GSP - BOI

GSPBOI

Greenville

Wed 9/24

3:25 pm-11:05 pm

2 stops9h 40m

Boise Air Term. Gowen Fld

Sun 9/28

5:25 pm-9:55 am

2 stops14h 30m

$399

GreenvilleBoise

GSP - BOI

GSPBOI

Greenville

Sat 9/20

4:30 pm-10:21 pm

1 stop7h 51m

Boise Air Term. Gowen Fld

Thu 9/25

12:35 pm-9:18 pm

1 stop6h 43m

$817

GreenvilleBoise

GSP - BOI

GSPBOI

Greenville

Tue 7/15

4:25 pm-9:34 pm

1 stop7h 09m

$264

GreenvilleBoise

GSP - BOI

GSPBOI

Greenville

Tue 7/15

4:07 pm-11:33 pm

2 stops9h 26m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Greenville to Boise

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

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

Currently, October is the cheapest month in which you can book a flight from Greenville to Boise (average of $314). Flying from Greenville to Boise in June is currently the most expensive (average of $398). 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 GSP to BOI?

One of the essential ways to save on airfare from Greenville to Boise is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 11% on airfare.

Reviews of airlines servicing Boise

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Greenville 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.

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,272 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,983 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,861 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What are the cheapest airlines flying from Greenville to Boise round-trip?
Flying on American Airlines is currently your cheapest option to Boise, with prices starting at $351. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at $354 and $399, respectively. These flights start at 25% lower than the current average price 3 months from now.
Can I find deals for flights from Greenville to Boise that include hotel bookings?
Yes. In addition to deals on Greenville to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Greenville to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Boise.
Can I find deals for business class flights from Greenville to Boise?
Yes. Cheapflights offers flight deals from Greenville 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 Greenville to Boise?
Currently, October is the cheapest month in which you can book a flight from Greenville to Boise (average of $314). Flying from Greenville to Boise in June is currently the most expensive (average of $398). 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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McCall

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Caldwell

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Top 3 airlines flying from Greenville to Boise

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$321	Average$403	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$326	Average$452	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$360	Average$575	FlexibilityNo cancel fee	On-time69%

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$264+ Cheap flights from Greenville to Boise (GSP - 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Greenville to Boise with Cheapflights

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Cheap flight deals from Greenville to Boise

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Greenville to Boise

Cheapest flights from Greenville to BoiseExplore the most affordable flight options available from Greenville to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Greenville to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Greenville to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Greenville with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Greenville to Boise

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

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

Find hourly flight availability from Greenville 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 July 2, 2025.

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 July 2, 2025.

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Greenville 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

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

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

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

How can I find direct flights from Greenville to Boise?

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

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

Traveling to a place near Greenville?

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Top 3 airlines flying from Greenville to Boise

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Cheapest flights from Greenville to Boise
Explore the most affordable flight options available from Greenville to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.