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$179+ Cheap flights from Greenville (GSP) to Idaho

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — BOI
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Greenville to Idaho

Keep the following information in mind while searching for Greenville to Idaho flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$356
(United Airlines)

One-way from

$179
(American Airlines)

Popular in

November

Cheapest in

August

Average price

$477
Provider with most accurate pricing for Greenville-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Greenville-Boise Air Term. Gowen Fld flights.
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From Greenville to Idaho
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One-way flight from Greenville to Idaho
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Highest demand for flights based on searches. 12% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Greenville to Idaho

Cheapest flights from Greenville to Idaho
Explore the most affordable flight options available from Greenville to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/30. 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 9/44:30 pmGSP - GEG
1 stop6h 59mUnited Airlines
Tue 9/95:43 amGEG - GSP
2 stops14h 17mUnited Airlines
Deal found 3/30$356
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 5/215:30 amGSP - GEG
2 stops10h 16mDelta
Tue 5/277:25 pmGEG - GSP
2 stops10h 49mDelta
Deal found 3/30$361
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 9/47:37 amGSP - GEG
1 stop7h 03mAmerican Airlines
Tue 9/96:07 amGEG - GSP
1 stop8h 41mAmerican Airlines
Deal found 3/30$370
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 5/244:21 pmGSP - BOI
1 stop7h 48mAmerican Airlines
Thu 5/291:38 pmBOI - GSP
1 stop7h 05mAmerican Airlines
Deal found 3/30$390
This United Airlines deal was found by Cheapflights users on 3/30. 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 7/2312:45 pmGSP - IDA
2 stops12h 06mUnited Airlines
Wed 7/3010:45 amIDA - GSP
2 stops9h 15mUnited Airlines
Deal found 3/30$429
This Delta deal was found by Cheapflights users on 3/30. 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 9/43:42 pmGSP - BOI
1 stop8h 51mDelta
Sun 9/711:30 pmBOI - GSP
1 stop7h 55mDelta
Deal found 3/30$434
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 4/246:35 amGSP - JAC
1 stop7h 38mAmerican Airlines
Tue 11/112:03 pmJAC - GSP
1 stop7h 50mAmerican Airlines
Deal found 3/30$440
This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2410:20 amGSP - BOI
2 stops12h 30mSouthwest
Thu 5/296:35 amBOI - GSP
2 stops12h 25mSouthwest
Deal found 3/30$448
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/76:00 amGSP - WYS
2 stops9h 12mUnited Airlines
Sun 5/111:51 pmWYS - GSP
2 stops22h 21mUnited Airlines
Deal found 3/31$451
This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/49:35 amGSP - BOI
2 stops12h 06mUnited Airlines
Sun 9/712:29 pmBOI - GSP
2 stops23h 47mUnited Airlines
Deal found 3/30$573
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/144:26 pmGSP - JAC
1 stop6h 26mUnited Airlines
Fri 4/187:00 amJAC - GSP
1 stop6h 21mUnited Airlines
Deal found 3/30$611
This Delta deal was found by Cheapflights users on 3/30. 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 4/147:20 amGSP - JAC
2 stops13h 38mDelta
Fri 4/181:23 pmJAC - GSP
2 stops8h 30mDelta
Deal found 3/30$621

Cheapflights Fare Finder

Customize your flight search to find flights from Greenville to Idaho 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 31, 2025.
Use the filters below to find and compare flights from Greenville to Idaho that are best for you.

Fly from

Greenville

Fly to

Idaho

Route

Depart

Return

Price

GreenvilleSpokane

GSP - GEG

GSPGEG

Greenville

Thu 9/4

4:30 pm-8:29 pm

1 stop6h 59m

Spokane

Tue 9/9

5:43 am-11:00 pm

2 stops14h 17m

$356

GreenvilleSpokane

GSP - GEG

GSPGEG

Greenville

Wed 5/21

5:30 am-12:46 pm

2 stops10h 16m

Spokane

Tue 5/27

7:25 pm-9:14 am

2 stops10h 49m

$361

GreenvilleSpokane

GSP - GEG

GSPGEG

Greenville

Thu 9/4

7:37 am-11:40 am

1 stop7h 03m

Spokane

Tue 9/9

6:07 am-5:48 pm

1 stop8h 41m

$370

GreenvilleBoise

GSP - BOI

GSPBOI

Greenville

Sat 5/24

4:21 pm-10:09 pm

1 stop7h 48m

Boise Air Term. Gowen Fld

Thu 5/29

1:38 pm-10:43 pm

1 stop7h 05m

$390

GreenvilleIdaho Falls

GSP - IDA

GSPIDA

Greenville

Wed 7/23

12:45 pm-10:51 pm

2 stops12h 06m

Idaho Falls Fanning Field

Wed 7/30

10:45 am-10:00 pm

2 stops9h 15m

$429

GreenvilleBoise

GSP - BOI

GSPBOI

Greenville

Thu 9/4

3:42 pm-10:33 pm

1 stop8h 51m

Boise Air Term. Gowen Fld

Sun 9/7

11:30 pm-9:25 am

1 stop7h 55m

$434

GreenvilleJackson

GSP - JAC

GSPJAC

Greenville

Thu 4/24

6:35 am-12:13 pm

1 stop7h 38m

Jackson Hole

Tue 11/11

2:03 pm-11:53 pm

1 stop7h 50m

$440

GreenvilleBoise

GSP - BOI

GSPBOI

Greenville

Sat 5/24

10:20 am-8:50 pm

2 stops12h 30m

Boise Air Term. Gowen Fld

Thu 5/29

6:35 am-9:00 pm

2 stops12h 25m

$448

GreenvilleWest Yellowstone

GSP - WYS

GSPWYS

Greenville

Wed 5/7

6:00 am-1:12 pm

2 stops9h 12m

West Yellowstone

Sun 5/11

1:51 pm-2:12 pm

2 stops22h 21m

$451

GreenvilleBoise

GSP - BOI

GSPBOI

Greenville

Thu 9/4

9:35 am-7:41 pm

2 stops12h 06m

Boise Air Term. Gowen Fld

Sun 9/7

12:29 pm-2:16 pm

2 stops23h 47m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 20 results
1
2

Best time to book a flight from Greenville to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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 Idaho

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

Currently, October is the cheapest month in which you can book a flight from Greenville to Idaho (average of $314). Flying from Greenville to Idaho in June is currently the most expensive (average of $419). 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 ID?

Find hourly flight availability from Greenville to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

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

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho 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 Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, 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).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated March 31, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Greenville to Idaho by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,276 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,276 reviews
Southwest
8.0
Very good
4,276 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,899 reviews
Southwest
8.0
Very good
4,276 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,614 reviews
Southwest
8.0
Very good
4,276 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,276 reviews

Entertainment

7.6

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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

  • What airport do you fly from for flights from Greenville to Idaho?

    Most people fly from Greenville (GSP) if they book a flight from Greenville to Idaho. Greenville is conveniently located just 10.4 mi from Greenville’s city center.

  • What are the cheapest airlines to fly from Greenville to Idaho one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $179. Users have also found prices from $215 and $400 on Delta and United Airlines, respectively.

  • What are the most popular routes from Greenville to Idaho?

    Most travelers choose Greenville - Jackson Hole, Greenville - Boise Air Term. Gowen Fld or Greenville - Spokane when deciding on the best route from Greenville to Idaho.

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

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

  • How can I find direct flights from Greenville to Idaho?

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

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

    Yes. Cheapflights offers flight deals from Greenville to Idaho 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 Idaho?

    Currently, October is the cheapest month in which you can book a flight from Greenville to Idaho (average of $314). Flying from Greenville to Idaho in June is currently the most expensive (average of $419). 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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Alternative routes for Greenville to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Greenville to Idaho

Discover the top 3 airlines that operate flights from Greenville to Idaho. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$321Average$470FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$326Average$587FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$492Average$613FlexibilityNo cancel feeOn-time69%
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