HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$581+ Cheap flights from Buenos Aires (BUE) to Key West (EYW)

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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — EYW
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buenos Aires to Key West with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Buenos Aires to Key West

Best flights from Buenos Aires to Key West
Discover carefully curated flight deals from Buenos Aires to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/10. 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.
dom. 1/2512:15 pmEZE - EYW
3 stops27h 15mMultiple Airlines
dom. 2/112:51 pmEYW - EZE
3 stops36h 49mMultiple Airlines
Deal found 12/10$1,008
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 1/2510:10 amEZE - EYW
1 stop15h 46mAmerican Airlines
dom. 2/17:45 pmEYW - EZE
1 stop11h 25mAmerican Airlines
Deal found 12/10$1,249
This United Airlines deal was found by Cheapflights users on 12/10. 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.
dom. 1/2511:55 pmEZE - EYW
2 stops41h 22mUnited Airlines
dom. 2/12:25 pmEYW - EZE
2 stops40h 55mUnited Airlines
Deal found 12/10$1,941

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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,008
(Mytrip)

One-way from

$581
(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
One-way flight 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 diciembre 12, 2025.
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

dom. 1/25

12:15 pm-1:30 pm

3 stops27h 15m

Key West

dom. 2/1

12:51 pm-3:40 am

3 stops36h 49m

$1,008

Buenos AiresKey West

EZE - EYW

EZEEYW

Buenos Aires Ministro Pistarini

dom. 1/25

10:10 am-11:56 pm

1 stop15h 46m

Key West

dom. 2/1

7:45 pm-9:10 am

1 stop11h 25m

$1,249

Buenos AiresKey West

EZE - EYW

EZEEYW

Buenos Aires Ministro Pistarini

dom. 1/25

11:55 pm-3:17 pm

2 stops41h 22m

Key West

dom. 2/1

2:25 pm-9:20 am

2 stops40h 55m

$1,941

Buenos AiresKey West

EZE - EYW

EZEEYW

Buenos Aires Ministro Pistarini

dom. 2/15

3:55 pm-1:30 pm

2 stops23h 35m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

  • Most accurate provider: When it comes to deals on Buenos Aires-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buenos Aires-Key West flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 15h 46m. Fly via American Airlines or United Airlines 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

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 Buenos Aires to Key West

See prices for flight routes from nearby airports that may be better suited for you.
Ministro Pistarini to Miami flights
Jorge Newbery to Miami flights
Ministro Pistarini to Fort Lauderdale flights
Cordoba to Miami flights
Ministro Pistarini to Orlando flights
Jorge Newbery to Orlando flights
Mendoza to Miami flights
Rosario to Miami flights
San Miguel de Tucumán to Miami flights
Cordoba to Orlando flights
Cordoba to Fort Lauderdale flights
Salta to Miami flights
Ministro Pistarini to Tampa flights
San Carlos de Bariloche to Miami flights
Mendoza to Orlando flights
Neuquén to Miami flights
Rosario to Orlando flights
Mendoza to Fort Lauderdale flights
Mar del Plata to Miami flights
Rosario to Fort Lauderdale flights
San Miguel de Tucumán to Fort Lauderdale flights
Ushuaia to Miami flights
Ministro Pistarini to Jacksonville flights
Cordoba to Tampa flights
Ministro Pistarini to Sarasota flights
Puerto Iguazú to Miami flights
Comodoro Rivadavia to Miami flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.