Flight prices from Key West to Lisbon

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

Which airports near Key West or Lisbon offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Key West: Only Key West - International is currently operating.
• Airports in Lisbon: Lisbon is the only airport in use at the moment.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Adjust your flight filters for Key West – Lisbon

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Portugal? These cities are popular too: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.