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 $199. Additional round-trip tickets that might be worth considering are offered by American Airlines and Allegiant Air, with the lowest prices starting at $204 and $244, respectively. These flights start at 48% lower than the current average price 3 months from now.

What is the cheapest day to fly from Greenville to Key West?

Travelers seeking maximum savings on their Greenville to Key West flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Greenville to Key West?

Flights from Greenville to Key West are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Key West.

How far in advance should I book a flight from Greenville to Key West?

Travelers have found it’s best to book a flight 36 days in advance to save up to 58% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 36 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Greenville to Key West 1-2 weeks in advance for as low as $373, or $395 for flights within the next 24 hours.

What is the cheapest month to fly from Greenville to Key West?

September is one of the best times of the year to fly to Key West from Greenville. Prices for September average $383 per person but you can even find prices for as low as $198. The most expensive prices can be found in the month of June. Opting for a September flight can save you 22% on your journey compared to booking in June

Most accurate provider : When it comes to deals on Greenville-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greenville-Key West flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Greenville-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Greenville-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$199+ Flights from Greenville to Key West

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1. Tell us where you want to go

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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.

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Cheap flight deals from Greenville to Key West

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$199 (Delta)
Popular in	June
Cheapest in	September
Average price	$436

Provider with most accurate pricing for Greenville-Key West flight deals.

Search Deals

Provider most trusted by Cheapflights users for Greenville-Key West flights.

Search Deals

From Greenville to Key West

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($13 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 March 2025

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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 March 26, 2025.

Wed 5/286:26 amGSP - EYW

1 stop5h 44mAmerican Airlines

Wed 6/47:29 pmEYW - GSP

1 stop3h 49mAmerican Airlines

Deal found 3/24

$199

Fri 4/49:41 pmGSP - EYW

1 stop16h 33mAllegiant Air

Mon 4/75:06 pmEYW - GSP

1 stop3h 50mAllegiant Air

Deal found 3/25

$244

Wed 5/215:30 amGSP - EYW

1 stop5h 21mDelta

Sun 5/256:25 pmEYW - GSP

1 stop5h 27mDelta

Deal found 3/24

$349

Sun 5/48:01 pmGSP - EYW

2 stops20h 15mMultiple Airlines

Fri 5/95:06 pmEYW - GSP

1 stop3h 49mMultiple Airlines

Deal found 3/23

$388

Thu 6/264:31 pmGSP - EYW

1 stop20h 58mBreeze Airways

Sun 6/291:52 pmEYW - GSP

1 stop6h 29mBreeze Airways

Deal found 3/23

$393

Mon 4/216:50 amGSP - EYW

1 stop8h 14mUnited Airlines

Thu 4/244:04 pmEYW - GSP

1 stop6h 33mUnited Airlines

Deal found 3/25

$471

Best flights from Greenville to Key West
Discover carefully curated flight deals from Greenville to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Sat 8/166:45 amGSP - EYW

1 stop4h 11mDelta

Tue 8/197:00 amEYW - GSP

1 stop6h 13mDelta

Deal found 3/25

$199

Sat 5/310:23 amGSP - EYW

2 stops8h 23mAmerican Airlines

Wed 5/77:29 pmEYW - GSP

1 stop3h 49mAmerican Airlines

Deal found 3/25

$204

Fri 4/49:41 pmGSP - EYW

1 stop16h 33mAllegiant Air

Mon 4/75:06 pmEYW - GSP

1 stop3h 50mAllegiant Air

Deal found 3/25

$244

Mon 4/216:50 amGSP - EYW

1 stop8h 14mUnited Airlines

Thu 4/244:04 pmEYW - GSP

1 stop6h 33mUnited Airlines

Deal found 3/25

$471

Sun 5/48:01 pmGSP - EYW

2 stops20h 15mMultiple Airlines

Sun 5/1110:23 amEYW - GSP

2 stops28h 42mMultiple Airlines

Deal found 3/25

$512

Last-minute flights from Greenville to Key West
Discover last-minute flight deals from Greenville to Key West. Data last updated March 26, 2025 and is based on user searches.

Fri 4/49:41 pmGSP - EYW

1 stop16h 33mAllegiant Air

Mon 4/75:06 pmEYW - GSP

1 stop3h 50mAllegiant Air

Deal found 3/25

$244

Fri 4/46:00 amGSP - EYW

2 stops12h 05mUnited Airlines

Mon 4/78:45 amEYW - GSP

2 stops30h 36mUnited Airlines

Deal found 3/24

$594

Mon 4/216:50 amGSP - EYW

1 stop8h 14mUnited Airlines

Thu 4/244:04 pmEYW - GSP

1 stop6h 33mUnited Airlines

Deal found 3/25

$471

Mon 4/217:45 amGSP - EYW

1 stop6h 40mAmerican Airlines

Sat 4/268:00 amEYW - GSP

1 stop4h 31mAmerican Airlines

Deal found 3/25

$599

Cheapflights Fare Finder

Use the filters below to find and compare flights from Greenville to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sat 8/16

6:45 am-10:56 am

1 stop4h 11m

Key West

Tue 8/19

7:00 am-1:13 pm

1 stop6h 13m

$199

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sat 5/3

10:23 am-6:46 pm

2 stops8h 23m

Key West

Wed 5/7

7:29 pm-11:18 pm

1 stop3h 49m

$204

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Fri 4/4

9:41 pm-2:14 pm

1 stop16h 33m

Key West

Mon 4/7

5:06 pm-8:56 pm

1 stop3h 50m

$244

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Mon 4/21

6:50 am-3:04 pm

1 stop8h 14m

Key West

Thu 4/24

4:04 pm-10:37 pm

1 stop6h 33m

$471

GreenvilleKey West

GSP - EYW

GSPEYW

Greenville

Sun 5/4

8:01 pm-4:16 pm

2 stops20h 15m

Key West

Sun 5/11

10:23 am-3:05 pm

2 stops28h 42m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Compare providers for flights from Greenville to Key West

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to Key West in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Greenville-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Greenville-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Greenville-Key West flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Greenville-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Greenville-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

How far ahead should I book a flight from Greenville to Key West?

Booking 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from Greenville to Key West. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $495). 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?

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.

Rainfall in Key West by month

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Key West

Delta

8.0

Very good

7,891 reviews

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

7,891 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

CAE - ATL

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

United Airlines

7.4

Good

8,608 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

CAE - ATL

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

Allegiant Air

7.3

Good

730 reviews

Delta

8.0

Very good

7,891 reviews

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

7,891 reviews

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

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 $199. Additional round-trip tickets that might be worth considering are offered by American Airlines and Allegiant Air, with the lowest prices starting at $204 and $244, respectively. These flights start at 48% 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 $495). 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

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Other flights to Key West

Top 2 airlines flying from Greenville to Key West

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$246	Average$405	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$248	Average$323	FlexibilityNo cancel fee	On-timeN/A

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$199+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Greenville to Key West with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Greenville to Key West

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Greenville to Key West

Cheapest flights from Greenville to Key WestExplore 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 March 26, 2025.

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 March 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Greenville to Key West that are best for you.

Compare providers for flights from Greenville to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Greenville to Key West in March.

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.

Cheapflights Insights

Everything you need to know about your flight from Greenville to Key West

How far ahead should I book a flight from Greenville to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Greenville to Key West. Price data was last updated on March 21, 2025.

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

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 March 26, 2025.

Rainfall in Key West by month

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

Temperature in Key West by month

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

Reviews of airlines servicing Key West

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.

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

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

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

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

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

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.

Top 2 airlines flying from Greenville to Key West

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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 March 26, 2025.