Flight prices from Key West to Buenos Aires

There’s no fixed price — fares between Key West and Buenos Aires can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Are there multiple airports in Key West and Buenos Aires?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Key West: Only Key West - International operates in this city.
• Airports in Buenos Aires: 3 airports are available in Buenos Aires - El Palomar, Jorge Newbery, Ministro Pistarini.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Explore flights from Key West to Buenos Aires your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in Argentina? Check out: Buenos Aires, Córdoba, Mendoza, Salta, San Carlos de Bariloche.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.