HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$1,257+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — EYW
nov. 21 — nov. 281
vie. 11/21
vie. 11/28
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.

Find 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 octubre 22, 2025.

This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/811:59 pmEZE - EYW
1 stop15h 04mAmerican Airlines
sáb. 11/151:57 pmEYW - EZE
1 stop15h 03mAmerican Airlines
Deal found 10/21$1,257
This United Airlines deal was found by Cheapflights users on 10/21. 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.
sáb. 11/811:55 pmEZE - EYW
2 stops41h 24mUnited Airlines
sáb. 11/153:00 pmEYW - EZE
2 stops40h 20mUnited Airlines
Deal found 10/21$1,385
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/910:05 pmEZE - EYW
2 stops19h 14mUnited Airlines
jue. 11/134:00 pmEYW - EZE
2 stops37h 20mUnited Airlines
Deal found 10/20$1,671
This American Airlines deal was found by Cheapflights users on 10/20. 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.
dom. 11/911:59 pmEZE - EYW
1 stop19h 02mAmerican Airlines
jue. 11/137:53 pmEYW - EZE
1 stop12h 17mAmerican Airlines
Deal found 10/20$1,892

Cheap 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 octubre 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,257
(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 octubre 22, 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

sáb. 11/8

11:59 pm-1:03 pm

1 stop15h 04m

Key West

sáb. 11/15

1:57 pm-7:00 am

1 stop15h 03m

$1,257

Buenos AiresKey West

EZE - EYW

EZEEYW

Buenos Aires Ministro Pistarini

sáb. 11/8

11:55 pm-3:19 pm

2 stops41h 24m

Key West

sáb. 11/15

3:00 pm-9:20 am

2 stops40h 20m

$1,385

Buenos AiresKey West

EZE - EYW

EZEEYW

Buenos Aires Ministro Pistarini

dom. 11/9

10:05 pm-3:19 pm

2 stops19h 14m

Key West

jue. 11/13

4:00 pm-7:20 am

2 stops37h 20m

$1,671

Buenos AiresKey West

EZE - EYW

EZEEYW

Buenos Aires Ministro Pistarini

dom. 11/9

11:59 pm-5:01 pm

1 stop19h 02m

Key West

jue. 11/13

7:53 pm-10:10 am

1 stop12h 17m

$1,892

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

  • 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 04m. 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
Cordoba to Orlando flights
Rosario to Miami flights
San Miguel de Tucumán to Miami flights
Cordoba to Fort Lauderdale flights
Salta to Miami flights
Ministro Pistarini to Tampa flights
Mendoza to Fort Lauderdale flights
Mendoza to Orlando flights
Mar del Plata to Miami flights
Ministro Pistarini to Jacksonville flights
Rosario to Orlando flights
Neuquén to Miami flights
Ushuaia to Miami flights
Ministro Pistarini to Sarasota flights
Cordoba to Tampa flights
San Miguel de Tucumán to Fort Lauderdale flights
Rosario to Fort Lauderdale flights
Puerto Iguazú to Miami flights
Comodoro Rivadavia to Miami flights
San Carlos de Bariloche 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.