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!

Are there multiple airports in Philadelphia and Key West?

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

• Airports in Philadelphia: Trenton Mercer is an alternative to Philadelphia - International.
• Airports in Key West: Key West - International is the only airport currently running.

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.

Flight filters for the route Philadelphia – Key West

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United States are often searched alongside: Atlanta, Los Angeles, Miami, New York City, Orlando.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.