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Key West

$1,066+ Cheap flights from Buenos Aires (BUE) to Key West (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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — EYW
feb. 20 — feb. 271
vie. 2/20
vie. 2/27
1 adult, Economy
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Cheap flight deals from Buenos Aires to Key West

Cheapest flights from Buenos Aires to Key West
Explore the most affordable flight options available from Buenos Aires to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 21, 2026.

This American Airlines deal was found by Cheapflights users on 1/20. 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.
mié. 2/1811:00 pm
EZE
-
EYW
1 stop16h 15m
American Airlines
mié. 2/251:55 pm
EYW
-
EZE
1 stop17h 00m
American Airlines
Deal found 1/20$1,066
This Ovago deal was found by Cheapflights users on 1/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/1811:55 pm
EZE
-
EYW
2 stops24h 14m
Avianca
mié. 2/256:35 pm
EYW
-
EZE
2 stops34h 45m
Avianca
Deal found 1/20$1,187
This United Airlines deal was found by Cheapflights users on 1/21. 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. 10/279:05 pm
EZE
-
EYW
2 stops19h 01m
United Airlines
sáb. 10/314:05 pm
EYW
-
EZE
2 stops64h 15m
United Airlines
Deal found 1/21$2,289
This Air Canada deal was found by Cheapflights users on 1/20. 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.
mié. 2/184:45 pm
EZE
-
EYW
3 stops24h 15m
Multiple Airlines
mié. 2/256:35 pm
EYW
-
EZE
3 stops42h 35m
Multiple Airlines
Deal found 1/20$5,409

Find flight deals from Buenos Aires to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,043
(American Airlines)
Provider with most accurate pricing for Buenos Aires (BUE)-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Key West flights.
Search Deals
From Buenos Aires (BUE) to Key West
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Key West 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 enero 21, 2026.
Use the filters below to find and compare flights from Buenos Aires to Key West that are best for you.

Fly from

Buenos Aires

Fly to

Key West

Route

Depart

Return

Price

Buenos AiresKey West

EZE - EYW

EZEEYW

Buenos Aires Ministro Pistarini

mié. 2/18

11:00 pm-1:15 pm

1 stop16h 15m

Key West

mié. 2/25

1:55 pm-8:55 am

1 stop17h 00m

$1,066

Buenos AiresKey West

EZE - EYW

EZEEYW

Buenos Aires Ministro Pistarini

mié. 2/18

11:55 pm-10:09 pm

2 stops24h 14m

Key West

mié. 2/25

6:35 pm-7:20 am

2 stops34h 45m

$1,187

Buenos AiresKey West

EZE - EYW

EZEEYW

Buenos Aires Ministro Pistarini

mié. 2/18

4:45 pm-3:00 pm

3 stops24h 15m

Key West

mié. 2/25

6:35 pm-3:10 pm

3 stops42h 35m

$5,409

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Compare providers for flights from Buenos Aires 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 Buenos Aires to Key West in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust 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 Buenos Aires-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buenos Aires-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buenos Aires-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buenos Aires-Key West flights, Cheapflights users trust AranGrant the most. AranGrant 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 Buenos Aires-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 Buenos Aires to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Buenos Aires 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 Buenos Aires to Key West
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires 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 airport do you fly into for flights to Key West from Buenos Aires?

    For a flight from Buenos Aires to Key West, you will be flying into Key West. Key West (EYW) is just 2.6 mi from the center of the city. Key West is the only Key West airport and it handles 0 inbound flights from Buenos Aires per day. 0 airlines have flights to Key West from Buenos Aires on a regular basis.

  • How long is the flight from Buenos Aires to Key West?

    There are many flights that can get you from Buenos Aires to Key West in 16h 15m. Fly via American Airlines or Avianca to get the fastest option. Airlines will cover a distance of 4373 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 Buenos Aires to Key West that include hotel bookings?

    Yes. In addition to deals on Buenos Aires to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buenos Aires to Key West?

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

  • Can I find deals for business class flights from Buenos Aires to Key West?

    Yes. Cheapflights offers flight deals from Buenos Aires 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.

See more FAQs

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