How much is a flight from Philadelphia to Key West?

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

Pick a travel date to see today’s available fares.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Which airports serve Philadelphia and Key West?

When planning a trip of about 1809 km, it's a good idea to check flights from surrounding airports too.

• Airports in Philadelphia: Trenton Mercer is also an option alongside Philadelphia - International.
• Airports in Key West: The only active airport in Key West is Key West - International.

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.

Match your flight search to your preferences: Philadelphia – Key West

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from the best airlines and travel agencies.

Other popular destinations

Thinking about traveling to United States? Other users also viewed: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.