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Key Largo

$91+ Cheap flights from Greenville (GSP) to Key Largo, FL

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — MIA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Greenville to Key Largo are usually found in September or November, booked 61 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Greenville to Key Largo

Keep the following information in mind while searching for Greenville to Key Largo flight deals. Data was last updated June 12, 2025.

Round-trip from

$181
(Delta)

One-way from

$91
(Delta)

Popular in

December

Cheapest in

September

Average price

$411
From Greenville to Key Largo
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One-way flight from Greenville to Key Largo
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Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Greenville to Key Largo

Cheapest flights from Greenville to Key Largo
Explore the most affordable flight options available from Greenville to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:30 amGSP - MIA
1 stop7h 10mSouthwest
Wed 8/201:00 pmMIA - GSP
1 stop5h 05mSouthwest
Deal found 6/12$180
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 9/2512:00 pmGSP - MIA
1 stop6h 48mDelta
Wed 10/16:00 amMIA - GSP
1 stop4h 56mDelta
Deal found 6/11$181
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/184:05 pmGSP - MIA
2 stops27h 59mMultiple Airlines
Tue 7/222:48 pmMIA - GSP
2 stops30h 04mMultiple Airlines
Deal found 6/10$340
This American Airlines deal was found by Cheapflights users on 6/11. 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 11/15:53 amGSP - MIA
Nonstop1h 57mAmerican Airlines
Sat 11/83:30 pmMIA - GSP
Nonstop1h 54mAmerican Airlines
Deal found 6/11$371
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:00 amGSP - MIA
1 stop5h 49mUnited Airlines
Tue 7/151:30 pmMIA - GSP
1 stop5h 27mUnited Airlines
Deal found 6/10$415

Cheapflights Fare Finder

Customize your flight search to find flights from Greenville to Key Largo 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 June 12, 2025.
Use the filters below to find and compare flights from Greenville to Key Largo that are best for you.

Fly from

Greenville

Fly to

Key Largo

Route

Depart

Return

Price

GreenvilleMiami

GSP - MIA

GSPMIA

Greenville

Tue 8/12

7:48 am-1:33 pm

1 stop5h 45m

Miami

Tue 8/19

7:30 am-11:29 am

1 stop3h 59m

$181

GreenvilleMiami

GSP - MIA

GSPMIA

Greenville

Tue 8/12

3:25 pm-9:15 pm

1 stop5h 50m

Miami

Tue 8/19

6:55 am-2:40 pm

2 stops7h 45m

$186

GreenvilleMiami

GSP - MIA

GSPMIA

Greenville

Fri 7/18

4:05 pm-8:04 pm

2 stops27h 59m

Miami

Tue 7/22

2:48 pm-8:52 pm

2 stops30h 04m

$340

GreenvilleMiami

GSP - MIA

GSPMIA

Greenville

Sat 7/12

5:30 pm-7:37 pm

Nonstop2h 07m

Miami

Wed 7/16

9:59 pm-11:59 pm

Nonstop2h 00m

$371

GreenvilleMiami

GSP - MIA

GSPMIA

Greenville

Tue 7/8

6:00 am-11:49 am

1 stop5h 49m

Miami

Tue 7/15

1:30 pm-6:57 pm

1 stop5h 27m

$415

GreenvilleMiami

GSP - MIA

GSPMIA

Greenville

Wed 6/25

9:46 pm-11:42 pm

2 stops25h 56m

$162

GreenvilleMiami

GSP - MIA

GSPMIA

Greenville

Sat 7/12

3:25 pm-10:20 pm

1 stop6h 55m

$186

GreenvilleMiami

GSP - MIA

GSPMIA

Greenville

Tue 7/29

6:00 am-10:37 pm

1 stop16h 37m

$212

GreenvilleMiami

GSP - MIA

GSPMIA

Greenville

Wed 7/16

5:30 am-4:28 pm

2 stops10h 58m

$252

GreenvilleMiami

GSP - MIA

GSPMIA

Greenville

Wed 6/25

6:05 am-8:42 pm

1 stop14h 37m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Greenville to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Greenville to Key Largo. Price data was last updated on June 9, 2025.

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Greenville to Key Largo. 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 Largo?

Currently, September is the cheapest month in which you can book a flight from Greenville to Key Largo (average of $228). Flying from Greenville to Key Largo in March is currently the most expensive (average of $289). 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 KE9?

Find hourly flight availability from Greenville to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Greenville to Key Largo as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Greenville to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Greenville to Key Largo flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Greenville to Key Largo

Explore weekly flight availability from Greenville to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from GSP to KE9 are scheduled on a Tuesday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Key Largo by month

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

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

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

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July 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 68.0 F).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Largo. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Greenville to Key Largo, such as Southwest, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Greenville to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Greenville to Key Largo?

    Greenville (GSP) is the airport you will fly out of if you book a flight from Greenville to Key Largo. You should not have trouble finding flights to Key Largo from Greenville; the airport handles an average of 3 outbound flights to Key Largo per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the Greenville airport to Key Largo. It is only a 10.4 mi journey to Greenville (GSP) from Greenville’s city center.

  • What are the cheapest airlines to fly from Greenville to Key Largo one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $91. Users have also found prices from $101 and $252 on Southwest and American Airlines, respectively.

  • What are the most reliable airlines from Greenville to Key Largo?

    Consider Qatar Airways (81%), American Airlines (81%) or Envoy Air (81%) when booking your flight. These represent the most reliable airlines when flying from Greenville to Key Largo.

  • What are the cheapest flights from Greenville to Key Largo?

    The cheapest flight price from Greenville to Key Largo is $135. On average you can expect to pay $503. The most popular route, (Greenville - Miami), can usually be booked for $181.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Greenville to Key Largo (average of $228). Flying from Greenville to Key Largo in March is currently the most expensive (average of $289). 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.

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Top 4 airlines flying from Greenville to Key Largo

Discover the top 4 airlines that operate flights from Greenville to Key Largo. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$131FlexibilityNo cancel feeOn-time88%
DeltaCheapest$216Average$355FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$240Average$454FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$248Average$397FlexibilityNo cancel feeOn-time71%

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