How much is a ticket from Key West to Porto?

Depending on when you travel and how far in advance you book, fares between Key West and Porto can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Which airports serve Key West and Porto?

When planning a trip of about 6868 km, it's a good idea to check flights from surrounding airports too.

• Airports in Key West: Key West - International is the only operational airport in the area.
• Airports in Porto: The only active airport in Porto is Porto.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Find flights from Key West to Porto that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from the best airlines and travel agencies.

Other popular destinations

Interested in Portugal? These cities are also in demand: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.