What is the cheapest airline that flies from Greenville to Key West?

Breeze Airways and Allegiant Air are the most popular carriers operating from Greenville to Key West

What airlines fly to Key West?

American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Key West from Greenville according to our data. American Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Greenville Airport to Key West Airport?

Prices for flights from Greenville Airport to Key West Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Greenville Airport to Key West Airport?

As of November 2025, there are 2 operators available to choose from for flights from Greenville Airport to Key West Airport.

How old do you have to be to fly from Greenville Airport to Key West Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Greenville Airport to Key West Airport.

What documentation or ID do you need to fly to Key West Airport?

The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$174 Cheap Flights from Greenville to Key West in 2025/26

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Find the cheapest flights from Greenville to Key West

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:39 pm - 4:56 pmGSP-EYW

19h 17m1 stop

3:54 pm - 8:49 pmEYW-GSP

4h 55m1 stop

$235Allegiant Air

Find Deal

Fri, Dec 12 - Mon, Dec 15

5:24 pm - 9:48 pmGSP-EYW

4h 24m1 stop

8:05 pm - 11:59 pmEYW-GSP

3h 54m1 stop

$249American Airlines

Find Deal

Tue, Dec 2 - Mon, Dec 8

3:44 pm - 9:48 pmGSP-EYW

6h 04m1 stop

8:05 pm - 11:59 pmEYW-GSP

3h 54m1 stop

$264American Airlines

Find Deal

Tue, Dec 2 - Mon, Dec 8

8:03 pm - 1:30 pmGSP-EYW

17h 27m2 stops

8:55 am - 7:23 pmEYW-GSP

10h 28m1 stop

$267Multiple Airlines

Find Deal

Fri, Dec 12 - Mon, Dec 15

3:39 pm - 11:56 pmGSP-EYW

8h 17m2 stops

12:09 pm - 3:41 pmEYW-GSP

3h 32m1 stop

$269American Airlines

Find Deal

Sat, Jan 31 - Wed, Mar 11

11:33 am - 4:13 pmGSP-EYW

4h 40m1 stop

7:10 am - 1:20 pmEYW-GSP

6h 10m1 stop

$279American Airlines

Find Deal

Fri, Nov 28 - Tue, Dec 2

11:33 am - 4:13 pmGSP-EYW

4h 40m1 stop

4:18 pm - 11:11 pmEYW-GSP

6h 53m2 stops

$284American Airlines

Find Deal

Fri, Nov 28 - Tue, Dec 2

9:41 pm - 11:20 amGSP-EYW

13h 39m1 stop

2:30 pm - 9:14 pmEYW-GSP

30h 44m2 stops

$290Multiple Airlines

Find Deal

Sat, Dec 20 - Wed, Dec 24

6:16 pm - 10:59 pmGSP-EYW

4h 43m1 stop

5:24 pm - 11:11 pmEYW-GSP

5h 47m1 stop

$294American Airlines

Find Deal

Sat, Mar 7 - Wed, Mar 11

3:39 pm - 11:56 pmGSP-EYW

8h 17m2 stops

3:59 pm - 11:11 pmEYW-GSP

7h 12m2 stops

$319American Airlines

Find Deal

Sat, Jan 31 - Wed, Mar 11

Delta flights from Greenville to Key West

Our best Delta deals on Greenville to Key West flight tickets

Delta

Dec 20

GSP5:45 amGreenville

15h 13m

1 stop

EYW8:58 pmKey West

Dec 25

EYW7:25 amKey West

4h 33m

1 stop

GSP11:58 amGreenville

$403

Find similar

Delta

Dec 20

GSP5:45 amGreenville

15h 13m

1 stop

EYW8:58 pmKey West

Dec 26

EYW7:25 amKey West

4h 33m

1 stop

GSP11:58 amGreenville

$437

Find similar

Delta

Dec 23

GSP5:45 amGreenville

15h 13m

1 stop

EYW8:58 pmKey West

Dec 25

EYW7:25 amKey West

4h 33m

1 stop

GSP11:58 amGreenville

$492

Find similar

United Airlines flights from Greenville to Key West

Our best United Airlines deals on Greenville to Key West flight tickets

United Airlines

Dec 21

GSP8:34 amGreenville

6h 40m

1 stop

EYW3:14 pmKey West

Dec 26

EYW3:09 pmKey West

8h 47m

1 stop

GSP11:56 pmGreenville

$578

Find similar

United Airlines

Apr 4

GSP5:35 pmGreenville

21h 31m

1 stop

EYW3:06 pmKey West

Apr 11

EYW4:45 pmKey West

17h 24m

2 stops

GSP10:09 amGreenville

$622

Find similar

United Airlines

Apr 4

GSP7:45 pmGreenville

19h 21m

2 stops

EYW3:06 pmKey West

Apr 11

EYW4:45 pmKey West

17h 24m

2 stops

GSP10:09 amGreenville

$628

Find similar

Fly from

Fly to

Route

Depart

Return

Price

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Fri 12/12

9:39 pm-4:56 pm

1 stop19h 17m

Key West

Mon 12/15

3:54 pm-8:49 pm

1 stop4h 55m

$235

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Tue 12/2

5:24 pm-9:48 pm

1 stop4h 24m

Key West

Mon 12/8

8:05 pm-11:59 pm

1 stop3h 54m

$249

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Tue 12/2

3:44 pm-9:48 pm

1 stop6h 04m

Key West

Mon 12/8

8:05 pm-11:59 pm

1 stop3h 54m

$264

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Fri 12/12

8:03 pm-1:30 pm

2 stops17h 27m

Key West

Mon 12/15

8:55 am-7:23 pm

1 stop10h 28m

$267

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sat 1/31

3:39 pm-11:56 pm

2 stops8h 17m

Key West

Wed 3/11

12:09 pm-3:41 pm

1 stop3h 32m

$269

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Fri 11/28

11:33 am-4:13 pm

1 stop4h 40m

Key West

Tue 12/2

7:10 am-1:20 pm

1 stop6h 10m

$279

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Fri 11/28

11:33 am-4:13 pm

1 stop4h 40m

Key West

Tue 12/2

4:18 pm-11:11 pm

2 stops6h 53m

$284

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sat 12/20

9:41 pm-11:20 am

1 stop13h 39m

Key West

Wed 12/24

2:30 pm-9:14 pm

2 stops30h 44m

$290

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sat 3/7

6:16 pm-10:59 pm

1 stop4h 43m

Key West

Wed 3/11

5:24 pm-11:11 pm

1 stop5h 47m

$294

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sat 1/31

3:39 pm-11:56 pm

2 stops8h 17m

Key West

Wed 3/11

3:59 pm-11:11 pm

2 stops7h 12m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Greenville to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Key West?

In general, September is the cheapest month to fly from Greenville to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $268. If you are unable to visit Key West during the month of September, then departing from Greenville during the month January is also very affordable. Most momondo users find prices during this month for around $321.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Greenville is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $328. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Greenville to Key West for around $490.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the afternoon. momondo users have found flights departing from Greenville to Key West in the afternoon for as low as $343. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $413. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Greenville to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Greenville to Key West according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Greenville to Key West (GSP to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Greenville to Key West

Direct flights	None

There are no direct flights from Greenville to Key West. There are no popular flight routes from Greenville to Key West.

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How far is Greenville to Key West by plane?
Key West is 711.9 mi away from Greenville. A reasonable flight in good conditions will take 3h 58m.
When did momondo last update prices for flights from Greenville Airport to Key West Airport?
Prices for flights from Greenville Airport to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Greenville Airport to Key West Airport?
As of November 2025, there are 2 operators available to choose from for flights from Greenville Airport to Key West Airport.
How old do you have to be to fly from Greenville Airport to Key West Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Greenville Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Greenville to Key West?
momondo data reveals that the most frequently booked airline on the route from Greenville to Key West is American Airlines, representing 72% of all bookings. The subsequent popular airline is Delta at 28%.

Best airlines flying from Greenville to Key West

Compare and see reviews for airlines that fly from Greenville to Key West with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 8,006 reviews		Search Delta flights
American Airlines	PriceFrom $253	Free Cancellation	Rating 7.2 11,051 reviews		Search American Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Greenville to Key West?

It is quick and easy to find Greenville to Key West flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Key West that suits you.

Can I find flights from Greenville to Key West with flexible booking policies on momondo?

momondo does allow users to show only those flights to Key West from Greenville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Greenville to Key West?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from Greenville.

I’m not ready to book a flight from Greenville to Key West right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Greenville to Key West now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Key West and let you know when they change.