$348+ Cheap flights from Greenville (GSP) to Idaho
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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — BOI
Nov 12 — Nov 191
Round-trip
1 adult, Economy
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Find cheap flights from Greenville to Idaho with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Last-minute
Cheapest flights from Greenville to IdahoExplore 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 October 13, 2026.
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 October 13, 2026.
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 12/117:05 am -
1 stop7h 54m
Tue 1/56:07 am -
1 stop6h 49m
Deal found 10/8![American Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 10/12. 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 10/275:40 am -
2 stops8h 42m
Sat 10/316:00 am -
2 stops9h 40m
Deal found 10/12![Delta logo]()
$459
This American Airlines deal was found by Cheapflights users on 10/12. 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 10/298:00 am -
1 stop7h 51m
Tue 11/37:00 am -
1 stop7h 27m
Deal found 10/12![American Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 10/12. 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 10/276:01 am -
1 stop9h 19m
Sat 10/311:39 pm -
1 stop6h 26m
Deal found 10/12![American Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/276:20 am -
2 stops9h 08m
Sat 10/317:00 am -
1 stop6h 03m
Deal found 10/12![United Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 10/11. 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 11/2310:56 am -
2 stops13h 03m
Mon 11/3011:10 pm -
1 stop8h 30m
Deal found 10/11![Delta logo]()
$550
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/274:29 pm -
1 stop7h 03m
Sat 10/315:00 am -
1 stop8h 03m
Deal found 10/8![United Airlines logo]()
$581
This United Airlines deal was found by Cheapflights users on 10/9. 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 10/246:20 am -
2 stops9h 04m
Wed 10/287:00 am -
1 stop6h 03m
Deal found 10/9![United Airlines logo]()
$720
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Fri 10/168:00 am -
1 stop7h 09m
Sun 10/186:37 am -
1 stop7h 58m
Deal found 10/10![American Airlines logo]()
$831
This American Airlines deal was found by Cheapflights users on 10/11. 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 12/266:00 am -
1 stop9h 27m
Fri 1/112:31 pm -
1 stop7h 25m
Deal found 10/11![American Airlines logo]()
$1,249
Best flights from Greenville to IdahoDiscover carefully curated flight deals from Greenville to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
Discover carefully curated flight deals from Greenville to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 12/117:45 am -
2 stops13h 46m
Tue 1/56:07 am -
1 stop6h 49m
Deal found 10/8![American Airlines logo]()
$353
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/276:20 am -
2 stops9h 08m
Sat 10/317:00 am -
1 stop6h 03m
Deal found 10/12![United Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 10/11. 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 11/238:11 am -
1 stop7h 28m
Mon 11/3011:10 pm -
1 stop8h 30m
Deal found 10/11![Delta logo]()
$603
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/274:29 pm -
1 stop7h 03m
Sat 10/315:00 am -
1 stop8h 03m
Deal found 10/8![United Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 10/12. 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 11/207:00 am -
1 stop8h 39m
Sun 11/2911:10 pm -
1 stop8h 37m
Deal found 10/12![Delta logo]()
$617
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 10/234:10 pm -
2 stops9h 49m
Tue 10/277:00 am -
1 stop7h 35m
Deal found 10/8![American Airlines logo]()
$622
This United Airlines deal was found by Cheapflights users on 10/11. 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 1/610:40 am -
2 stops12h 30m
Sat 1/97:00 am -
2 stops12h 03m
Deal found 10/11![United Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 10/9. 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 10/244:25 pm -
1 stop6h 29m
Wed 10/287:00 am -
1 stop6h 03m
Deal found 10/9![United Airlines logo]()
$760
This American Airlines deal was found by Cheapflights users on 10/11. 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 12/266:00 am -
1 stop9h 27m
Fri 1/112:31 pm -
1 stop7h 25m
Deal found 10/11![American Airlines logo]()
$1,249
Last-minute flights from Greenville to IdahoDiscover last-minute flight deals from Greenville to Idaho. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from Greenville to Idaho. Data last updated October 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Fri 10/168:00 am -
1 stop7h 09m
Sun 10/186:37 am -
1 stop7h 58m
Deal found 10/10![American Airlines logo]()
$831
This United Airlines deal was found by Cheapflights users on 10/9. 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 10/246:20 am -
2 stops9h 04m
Wed 10/287:00 am -
1 stop6h 03m
Deal found 10/9![United Airlines logo]()
$720
This Delta deal was found by Cheapflights users on 10/12. 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 10/275:40 am -
2 stops8h 42m
Sat 10/316:00 am -
2 stops9h 40m
Deal found 10/12![Delta logo]()
$459
This American Airlines deal was found by Cheapflights users on 10/12. 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 10/276:01 am -
1 stop9h 19m
Sat 10/311:39 pm -
1 stop6h 26m
Deal found 10/12![American Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/276:20 am -
2 stops9h 08m
Sat 10/317:00 am -
1 stop6h 03m
Deal found 10/12![United Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/274:29 pm -
1 stop7h 03m
Sat 10/315:00 am -
1 stop8h 03m
Deal found 10/8![United Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 10/12. 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 10/2710:08 am -
2 stops14h 00m
Sat 10/311:40 pm -
1 stop7h 11m
Deal found 10/12![Delta logo]()
$622
This American Airlines deal was found by Cheapflights users on 10/12. 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 10/298:00 am -
1 stop7h 51m
Tue 11/37:00 am -
1 stop7h 27m
Deal found 10/12![American Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 10/12. 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 11/207:00 am -
1 stop8h 39m
Sun 11/2911:10 pm -
1 stop8h 37m
Deal found 10/12![Delta logo]()
$617
This Delta deal was found by Cheapflights users on 10/11. 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 11/2310:56 am -
2 stops13h 03m
Mon 11/3011:10 pm -
1 stop8h 30m
Deal found 10/11![Delta logo]()
$550
Find flight deals from Greenville to Idaho
Keep the following information in mind while searching for Greenville to Idaho flight deals. Data was last updated October 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (American Airlines) |
Popular in | December |
Cheapest in | May |
Average price | $746 |
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 7,457,451 searches. Data last updated October 13, 2026.
Use the filters below to find and compare flights from Greenville to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
GreenvilleBoise
GSP Greenville - BOI Boise Air Term. Gowen Fld
GSPBOI
Greenville
Fri 12/11
7:45 am-7:31 pm
2 stops13h 46m
Boise Air Term. Gowen Fld
Tue 1/5
6:07 am-2:56 pm
1 stop6h 49m
$353
GreenvilleIdaho Falls
GSP Greenville - IDA Idaho Falls Fanning Field
GSPIDA
Greenville
Tue 10/27
6:20 am-1:28 pm
2 stops9h 08m
Idaho Falls Fanning Field
Sat 10/31
7:00 am-3:03 pm
1 stop6h 03m
$511
GreenvilleBoise
GSP Greenville - BOI Boise Air Term. Gowen Fld
GSPBOI
Greenville
Tue 10/27
4:29 pm-9:32 pm
1 stop7h 03m
Boise Air Term. Gowen Fld
Sat 10/31
5:00 am-3:03 pm
1 stop8h 03m
$581
GreenvilleBoise
GSP Greenville - BOI Boise Air Term. Gowen Fld
GSPBOI
Greenville
Mon 11/23
8:11 am-1:39 pm
1 stop7h 28m
Boise Air Term. Gowen Fld
Mon 11/30
11:10 pm-9:40 am
1 stop8h 30m
$603
GreenvilleBoise
GSP Greenville - BOI Boise Air Term. Gowen Fld
GSPBOI
Greenville
Fri 11/20
7:00 am-1:39 pm
1 stop8h 39m
Boise Air Term. Gowen Fld
Sun 11/29
11:10 pm-9:47 am
1 stop8h 37m
$617
GreenvilleIdaho Falls
GSP Greenville - IDA Idaho Falls Fanning Field
GSPIDA
Greenville
Wed 1/6
10:40 am-9:10 pm
2 stops12h 30m
Idaho Falls Fanning Field
Sat 1/9
7:00 am-9:03 pm
2 stops12h 03m
$618
GreenvilleBoise
GSP Greenville - BOI Boise Air Term. Gowen Fld
GSPBOI
Greenville
Fri 10/23
4:10 pm-11:59 pm
2 stops9h 49m
Boise Air Term. Gowen Fld
Tue 10/27
7:00 am-4:35 pm
1 stop7h 35m
$622
Quickest round-trip
GreenvilleIdaho Falls
GSP Greenville - IDA Idaho Falls Fanning Field
GSPIDA
Greenville
Sat 10/24
4:25 pm-8:54 pm
1 stop6h 29m
Idaho Falls Fanning Field
Wed 10/28
7:00 am-3:03 pm
1 stop6h 03m
$760
GreenvilleHailey
GSP Greenville - SUN Hailey Sun Valley-Friedman
GSPSUN
Greenville
Sat 12/26
6:00 am-1:27 pm
1 stop9h 27m
Hailey Sun Valley-Friedman
Fri 1/1
12:31 pm-9:56 pm
1 stop7h 25m
$1,249
Sorted by cheapest first
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.
GSP-IDA
GSP-BOI
GSP-SUN
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
GSP-USID
GSP-IDA
GSP-BOI
GSP-SUN
How much does it cost to fly round-trip from Greenville to Idaho?
Airfare is below average for this route at the moment.
Greenville to Idaho flights typically cost between $681 and $906 in December.The cheapest round-trip price found within the last 5 days was $348 on American Airlines (Dec 11-Jan 5).
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 October 13, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Greenville to Idaho. 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.
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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.
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Alternative routes for Greenville to Idaho
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Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
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Greenville and Idaho flights
Browse other Greenville and Idaho flight options. Last updated on October 13, 2026.
Popular flight searches
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Greenville to Idaho flights
Consider these flights traveling from Greenville to Idaho.
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 7,457,451 searches. Data last updated October 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$153 | Average$662 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$613 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$429 | Average$891 | FlexibilityNo cancel fee | On-time69% |