Flight tickets from Greenville-Spartanburg to Key West International

Compare Greenville-Spartanburg to Key West International flight deals

Find the cheapest month or even day of the year to fly to Key West International

Book the best Key West International fare with no extra fees

Flight deals from Greenville-Spartanburg to Key West International

Looking for a cheap last-minute deal or the best return flight from Greenville-Spartanburg Airport to Key West International Airport? If you want to travel next month, return fares start from ₹ 21,685. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Greenville-Spartanburg to Key West International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Greenville-Spartanburg to Key West International flights are currently cheapest in August.

Greenville-Spartanburg to Key West International: Alternative routes

Compare routes from Greenville-Spartanburg to Key West below. You may find an airport to fly into that's cheaper, faster, or easier than Key West International.

Greenville to Key West: Flight information

The things to know before you go.
Cheapest flight found₹ 10,156
Cheapest month to flyAugust

Finding cheap flights from Greenville-Spartanburg to Key West International: Frequently asked questions

The best price we found for a return flight from Greenville-Spartanburg to Key West International is ₹ 21,685. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Greenville-Spartanburg to Key West International. But we found flights with one or more stops from ₹ 21,685.
As of May 2026, there are no flights flying from Greenville-Spartanburg to Key West International.
The cheapest month to fly from Greenville-Spartanburg to Key West International is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Greenville-Spartanburg Airport to Key West International Airport on Sunday, 14 June 2026.
No airlines currently offer direct flights between Greenville-Spartanburg Airport and Key West International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Key West International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Key West is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to Key West International.

Flying from Greenville-Spartanburg International Airport (GSP) to Key West International Airport (EYW): what you need to know

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your GSP to EYW flight.

  • Flying during a peak month such as August? School holidays and other popular periods can mean longer lines at check-in and security. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • We make it a piece of cake to book a flight with a stopover. To see your options for tickets from Greenville-Spartanburg International Airport to Key West International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit the city of your choice. Some great stopovers between GSP and EYW include:

    • Hartsfield-Jackson Atlanta International Airport

    • Fort Lauderdale-Hollywood International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Greenville-Spartanburg International Airport (GSP) to Key West International Airport (EYW)

  • ₹ 10,156 is the lowest price for a one-way Greenville-Spartanburg International Airport to Key West International Airport flight. A return flight starts from ₹ 21,685. These prices can change based on demand.

  • It's a good idea to book ahead of time if you want to get cheap tickets from GSP to EYW. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • If you can be flexible with your trip dates, use the 'Whole month' tool. It'll give you the cheapest price across each month when searching for your flight from Greenville-Spartanburg International Airport to Key West International Airport.

  • Cut down on the time spent looking for cheap flights from GSP to EYW by setting up a Price Alert. We'll send you an email or notification on the app when a special offer becomes available.

  • Secure the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Greenville-Spartanburg International Airport to Key West International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Greenville-Spartanburg International Airport (GSP)

  • The address for GSP is 2000 GPS Drive, Suite 1.

  • When it comes to Greenville-Spartanburg International Airport's on-time performance, 79.7% of flights arrive within the scheduled timeframe.

  • Greenville-Spartanburg International Airport is around 27 kilometres from central Greenville. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • Looking for a convenient hotel near GSP? If you've booked an early flight from Greenville-Spartanburg International Airport to Key West International Airport, these accommodation options will have you moments from your departure gate:

Arriving at Key West International Airport (EYW)

Getting from Key West International Airport (EYW) to central Key West

  • The street address for EYW is 3491 South Roosevelt Boulevard.

  • From Key West International Airport, Key West is approximately 3 kilometres away. It takes around 5 minutes to reach the centre by car.

  • It typically takes 40 minutes to get there using public transport.

When to fly to Key West International Airport (EYW)

  • It's time to work out your dates for your flight from Greenville-Spartanburg International Airport to Key West International Airport. January is the most popular month to head to Key West. If you want a quieter vibe, go in February.

  • The warmest month in Key West is August, with the temperature ranging between 26ºC and 30ºC. Book your flights from Greenville-Spartanburg International Airport to Key West International Airport in this month if this is the type of weather you like.

  • Look for cheap tickets from GSP to EYW in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 18ºC and 23ºC on average.

Explore more of United States

  • Miami is just one of the many places in United States waiting to be discovered once you've seen Key West. Around 209 kilometres away to the north-east, its best attractions include Wynwood Walls, Vizcaya Museum and Gardens and American Airlines Arena.

  • Around 386 kilometres north of Key West, Tampa is another essential stop in United States. Get a taste of what this destination has to offer at Ybor City Tattoo Company, Tampa Riverwalk and The Florida Aquarium.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.