Flight prices from Key West to Madrid

There’s no fixed price — fares between Key West and Madrid 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.

Planning flights between Key West and Madrid? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

• Airports in Key West: Key West - International is the only airport in this city.
• Airports in Madrid: Only Madrid - Barajas is currently available.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Filter and compare flights from Key West to Madrid

Jetcost helps you manage complex searches with simple filters. Sort by airline, duration, number of stops, or even time windows for outbound and return flights.

Other popular destinations

Want more ideas for your trip to Spain? Check these: Alicante, Barcelona, Madrid, Málaga, Palma de Mallorca.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.