HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$237+ Cheap flights from Greenville to Key West (GSP - EYW)

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — EYW
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Greenville to Key West with Cheapflights

1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Greenville to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Key West (EYW). 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 September 17, 2025.

Round-trip from

$237
(Kiwi.com)

Popular in

October

Cheapest in

September

Average price

$268
From Greenville to Key West
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Greenville to Key West

Cheapest flights from Greenville to Key West
Explore the most affordable flight options available from Greenville to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:17 pmGSP - EYW
1 stop16h 00mBreeze Airways
Mon 12/88:55 amEYW - GSP
1 stop10h 28mBreeze Airways
Deal found 9/15$237
This Delta deal was found by Cheapflights users on 9/17. 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.
Wed 10/151:45 pmGSP - EYW
1 stop6h 21mDelta
Wed 10/226:17 pmEYW - GSP
1 stop5h 38mDelta
Deal found 9/17$249
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:04 pmGSP - EYW
1 stop9h 03mMultiple Airlines
Tue 12/2310:59 amEYW - GSP
1 stop9h 41mMultiple Airlines
Deal found 9/15$250
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 11/511:34 amGSP - EYW
1 stop5h 27mAmerican Airlines
Wed 11/194:10 pmEYW - GSP
2 stops6h 50mAmerican Airlines
Deal found 9/16$254
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/227:00 pmGSP - EYW
1 stop4h 50mAmerican Airlines
Wed 11/268:06 amEYW - GSP
1 stop6h 00mAmerican Airlines
Deal found 9/14$274
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/24:47 pmGSP - EYW
1 stop16h 30mBreeze Airways
Thu 10/910:59 amEYW - GSP
1 stop9h 45mBreeze Airways
Deal found 9/16$282
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:40 pmGSP - EYW
1 stop17h 22mMultiple Airlines
Sun 10/510:59 amEYW - GSP
1 stop9h 45mMultiple Airlines
Deal found 9/15$304
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:30 pmGSP - EYW
1 stop5h 41mAllegiant Air
Sun 1/410:37 pmEYW - GSP
1 stop16h 07mAllegiant Air
Deal found 9/16$332
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 12/710:26 amGSP - EYW
1 stop6h 31mAmerican Airlines
Sat 12/1312:50 pmEYW - GSP
1 stop4h 48mAmerican Airlines
Deal found 9/16$344

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville to Key West 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 September 17, 2025.
Use the filters below to find and compare flights from Greenville to Key West that are best for you.

Fly from

Greenville

Fly to

Key West

Route

Depart

Return

Price

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Thu 12/4

5:17 pm-9:17 am

1 stop16h 00m

Key West

Mon 12/8

8:55 am-7:23 pm

1 stop10h 28m

$237

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sat 11/8

11:33 am-4:13 pm

1 stop4h 40m

Key West

Fri 11/14

6:33 pm-11:00 pm

1 stop4h 27m

$249

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Wed 10/15

1:45 pm-8:06 pm

1 stop6h 21m

Key West

Wed 10/22

6:17 pm-11:55 pm

1 stop5h 38m

$249

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Wed 11/5

11:34 am-5:01 pm

1 stop5h 27m

Key West

Wed 11/19

7:53 pm-11:59 pm

1 stop4h 06m

$249

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Fri 12/19

10:04 pm-7:07 am

1 stop9h 03m

Key West

Tue 12/23

10:59 am-8:40 pm

1 stop9h 41m

$250

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sat 11/22

7:00 pm-11:50 pm

1 stop4h 50m

Key West

Wed 11/26

8:06 am-2:06 pm

1 stop6h 00m

$274

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Thu 10/2

4:47 pm-9:17 am

1 stop16h 30m

Key West

Thu 10/9

10:59 am-8:44 pm

1 stop9h 45m

$282

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sun 9/21

6:35 am-10:55 am

1 stop4h 20m

$450

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sun 9/21

6:02 am-2:55 pm

2 stops32h 53m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Greenville to Key West

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

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

Currently, August is the cheapest month in which you can book a flight from Greenville to Key West (average of $328). Flying from Greenville to Key West in March is currently the most expensive (average of $491). 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 EYW?

Find hourly flight availability from Greenville to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s typically best to fly out from Greenville to Key West in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with Delta and American Airlines from Greenville to Key West by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

CAE - ATL

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

CAE - ATL

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

CAE - ATL

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Greenville to Key West. 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 Greenville to Key West?

    A quick flight from Greenville to Key West can take about 4h 40m. Breeze Airways provides one of the quickest options available for as low as $249. Airlines will cover a distance of 714 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Greenville to Key West round-trip?

    Flying on Delta is currently your cheapest option to Key West, with prices starting at $248. Another option worth looking into is American Airlines, starting at $253 round trip. These flights start at 36% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from Greenville to Key West?

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

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

    Yes. Cheapflights offers flight deals from Greenville to Key West 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 Key West?

    Currently, August is the cheapest month in which you can book a flight from Greenville to Key West (average of $328). Flying from Greenville to Key West in March is currently the most expensive (average of $491). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Greenville to Key West

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Miami flights
Charlotte to Fort Lauderdale flights
Charlotte to Orlando flights
Charlotte to Tampa flights
Charleston to Fort Lauderdale flights
Charleston to Miami flights
Charlotte to Fort Myers flights
Charlotte to Jacksonville flights
Myrtle Beach to Fort Lauderdale flights
Charlotte to West Palm Beach flights
Charlotte to Sarasota flights
Greenville to Miami flights
Charleston to Orlando flights
Charlotte to Key West flights
Myrtle Beach to Orlando flights
Columbia to Miami flights
Myrtle Beach to Miami flights
Columbia to Orlando flights
Savannah to Miami flights
Charlotte to Tallahassee flights
Charleston to Tampa flights
Greenville to Orlando flights
Columbia to Tampa flights
Charlotte to Valparaiso flights
Greenville to Fort Lauderdale flights
Columbia to West Palm Beach flights
Columbia to Fort Lauderdale flights
Charlotte to Pensacola flights
Charleston to Key West flights
Charlotte to Panama City flights
Greenville to Fort Myers flights
Charlotte to Daytona Beach flights
Greenville to Orlando Sanford Intl flights
Charleston to West Palm Beach flights
Savannah to Fort Lauderdale flights
Greenville to Tampa flights
Greenville to Jacksonville flights
Myrtle Beach to West Palm Beach flights
Myrtle Beach to Tampa flights
Greenville to West Palm Beach flights
Charlotte to Melbourne flights
Myrtle Beach to Fort Myers flights
Savannah to Key West flights
Augusta to Fort Lauderdale flights
Greenville to Sarasota flights
Columbia to Sarasota flights
Myrtle Beach to Key West flights
Greenville to Valparaiso flights
Charleston to Pensacola flights
Augusta to Miami flights

Top 2 airlines flying from Greenville to Key West

Discover the top 2 airlines that operate flights from Greenville to Key West. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$398FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$253Average$402FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.