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$256+ Cheap flights from Key Largo, FL to Athens (ATH)

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ATH
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Athens Eleftherios V. are usually found in February or October, booked 54 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Find flight deals from Key Largo to Athens

Cheapest flights from Key Largo to Athens
Explore the most affordable flight options available from Key Largo to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/119:05 pmMIA - ATH
2 stops31h 30mAir Canada
mié. 12/37:05 amATH - MIA
2 stops22h 24mAir Canada
Deal found 10/30$506
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
jue. 11/66:45 pmMIA - ATH
1 stop16h 20mLufthansa
jue. 11/136:35 amATH - MIA
1 stop17h 20mLufthansa
Deal found 10/30$507
This Delta deal was found by Cheapflights users on 10/28. 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.
dom. 11/97:15 amMIA - ATH
1 stop20h 20mDelta
vie. 12/512:50 pmATH - MIA
1 stop17h 33mDelta
Deal found 10/28$508
This Delta deal was found by Cheapflights users on 10/28. 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.
dom. 11/96:00 amMIA - ATH
2 stops21h 35mDelta
jue. 12/46:05 amATH - MIA
1 stop15h 45mDelta
Deal found 10/28$509
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
vie. 11/76:45 pmMIA - ATH
1 stop16h 20mLufthansa
mar. 11/256:35 amATH - MIA
1 stop17h 20mLufthansa
Deal found 10/30$510
This Delta deal was found by Cheapflights users on 10/29. 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.
mar. 11/187:15 amMIA - ATH
1 stop20h 20mDelta
lun. 11/243:25 amATH - MIA
1 stop21h 15mDelta
Deal found 10/29$511
This United Airlines deal was found by Cheapflights users on 10/27. 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.
mar. 11/49:00 amMIA - ATH
2 stops18h 05mUnited Airlines
mar. 11/1112:25 pmATH - MIA
2 stops29h 28mUnited Airlines
Deal found 10/27$513
This Delta deal was found by Cheapflights users on 10/28. 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.
sáb. 11/87:28 pmMIA - ATH
1 stop32h 07mDelta
jue. 12/46:05 amATH - MIA
1 stop15h 45mDelta
Deal found 10/28$516
This United Airlines deal was found by Cheapflights users on 10/28. 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.
lun. 11/34:11 pmMIA - ATH
2 stops18h 49mUnited Airlines
jue. 11/136:25 amATH - MIA
2 stops22h 33mUnited Airlines
Deal found 10/28$517
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/97:35 pmMIA - ATH
1 stop16h 30mLOT
sáb. 12/68:05 pmATH - MIA
1 stop28h 30mLOT
Deal found 10/30$518

Cheap flight deals from Key Largo to Athens

Keep the following information in mind while searching for Key Largo to Athens flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$506
(Air Canada)

One-way from

$256
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$672
Provider with most accurate pricing for Miami-Athens Eleftherios V. flight deals.
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Provider most trusted by Cheapflights users for Miami-Athens Eleftherios V. flights.
Search Deals
From Key Largo to Athens Eleftherios V.
Search Deals
One-way flight from Key Largo to Athens Eleftherios V.
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($279 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Athens 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 octubre 30, 2025.
Use the filters below to find and compare flights from Key Largo to Athens that are best for you.

Fly from

Key Largo

Fly to

Athens

Route

Depart

Return

Price

MiamiAthens

MIA - ATH

MIAATH

Miami

dom. 11/9

6:00 am-10:35 am

2 stops21h 35m

Athens Eleftherios V.

mié. 12/3

1:45 pm-2:50 pm

1 stop32h 05m

$509

MiamiAthens

MIA - ATH

MIAATH

Miami

lun. 11/10

6:00 am-10:35 am

2 stops21h 35m

Athens Eleftherios V.

mié. 12/3

1:45 pm-2:50 pm

1 stop32h 05m

$509

MiamiAthens

MIA - ATH

MIAATH

Miami

lun. 11/10

11:27 am-1:35 pm

2 stops19h 08m

Athens Eleftherios V.

mar. 12/2

6:05 am-2:50 pm

1 stop15h 45m

$509

MiamiAthens

MIA - ATH

MIAATH

Miami

mié. 11/12

2:07 pm-1:35 pm

2 stops16h 28m

Athens Eleftherios V.

jue. 12/4

6:05 am-2:50 pm

1 stop15h 45m

$509

MiamiAthens

MIA - ATH

MIAATH

Miami

mar. 11/11

5:10 pm-7:30 pm

1 stop19h 20m

Athens Eleftherios V.

mar. 12/2

7:55 pm-2:40 pm

1 stop25h 45m

$511

MiamiAthens

MIA - ATH

MIAATH

Miami

mar. 11/18

7:15 am-10:35 am

1 stop20h 20m

Athens Eleftherios V.

lun. 11/24

3:25 am-5:40 pm

1 stop21h 15m

$511

MiamiAthens

MIA - ATH

MIAATH

Miami

mié. 2/18

12:15 pm-12:00 pm

2 stops16h 45m

Athens Eleftherios V.

lun. 3/9

12:50 pm-5:55 pm

1 stop35h 05m

$512

MiamiAthens

MIA - ATH

MIAATH

Miami

mié. 2/25

10:55 am-12:00 pm

2 stops18h 05m

Athens Eleftherios V.

lun. 3/9

12:50 pm-5:55 pm

1 stop35h 05m

$512

MiamiAthens

MIA - ATH

MIAATH

Miami

dom. 11/9

7:15 am-10:35 am

1 stop20h 20m

Athens Eleftherios V.

vie. 12/5

12:50 pm-10:19 am

2 stops28h 29m

$513

MiamiAthens

MIA - ATH

MIAATH

Miami

dom. 1/11

9:00 am-12:20 pm

2 stops20h 20m

Athens Eleftherios V.

mar. 1/20

6:25 am-2:40 pm

1 stop15h 15m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 20 results
1
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Best time to book a flight from Key Largo to Athens

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

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Athens. Price data was last updated on October 24, 2025.

The price you pay for your flight from Key Largo to Athens may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Key Largo to Athens?

Currently, November is the cheapest month in which you can book a flight from Key Largo to Athens (average of $479). Flying from Key Largo to Athens in July is currently the most expensive (average of $688). 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 KE9 to ATH?

Find hourly flight availability from Key Largo to Athens. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

It’s optimal to fly from Key Largo to Athens in the evening. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the afternoon.

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

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

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

Reviews of airlines servicing Athens

Get insights into the airlines that provide service to Athens. 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 Athens. Reviews last updated octubre 30, 2025.
Read through reviews of airlines operating flights from Key Largo to Athens, such as SWISS, United Airlines, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,775 reviews

Food

7.1

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
SWISS
7.5
Good
1,775 reviews
SWISS
7.5
Good
1,775 reviews

Food

7.1

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
United Airlines
7.4
Good
8,999 reviews
SWISS
7.5
Good
1,775 reviews

Food

7.1

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Turkish Airlines
7.3
Good
4,032 reviews
SWISS
7.5
Good
1,775 reviews

Food

7.1

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
ITA Airways
6.7
Okay
1,078 reviews
SWISS
7.5
Good
1,775 reviews

Food

7.1

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
British Airways
6.7
Okay
7,487 reviews
SWISS
7.5
Good
1,775 reviews

Food

7.1

Boarding

7.7

Comfort

7.4

Overall

7.5

Entertainment

6.8

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Athens. 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 into for flights to Athens from Key Largo?

    Athens Eleftherios V. (ATH), located 12.3 mi from the city center, is the airport you fly into when you book flights from Key Largo to Athens. 17 airlines have flights to Eleftherios V. from Key Largo on a regular basis. Booking flights from Key Largo to Athens Eleftherios V. should not be difficult; the airport handles an average of 0 inbound flights from Key Largo per day.

  • How long is the flight from Key Largo to Athens?

    Delta and British Airways can get you from Key Largo to Athens in just under 19h 20m. Your travel time can differ by up to 2h 15m. The distance between Key Largo and Athens is about 5846 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Key Largo to Athens (average of $479). Flying from Key Largo to Athens in July is currently the most expensive (average of $688). 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

Traveling to a place near Athens?

Book flights to Athens if you plan to visit one of these locations
Glyfada
Piraeus
Tolo
Galaxidi

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Top 10 airlines flying from Key Largo to Athens

Discover the top 10 airlines that operate flights from Key Largo to Athens. 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$481Average$724FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$516Average$918FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$519Average$1,148FlexibilityNo cancel feeOn-time76%
DeltaCheapest$534Average$1,007FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$552Average$959FlexibilityNo cancel feeOn-time72%
KLMCheapest$552Average$1,162FlexibilityNo cancel feeOn-time75%
SWISSCheapest$555Average$883FlexibilityNo cancel feeOn-time79%
British AirwaysCheapest$570Average$996FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$572Average$1,025FlexibilityNo cancel feeOn-time69%
ITA AirwaysCheapest$579Average$874FlexibilityNo cancel feeOn-time81%

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