Cheap flights from Philadelphia to Key West

Flights starting at $343. Choose between American Airlines, Frontier Airlines, or Spirit Airlines to find the best price.

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Travelers usually depart from Philadelphia International, Philadelphia, PA - 30th Street, Philadelphia, PA Greyhound Terminal, Ardmore, PA station, or Philadelphia, PA - Market Street bus stop when they travel from Philadelphia to Key West. The distance between Philadelphia and Key West is 1810 km. The most popular airlines for this route are American Airlines, Frontier Airlines, Spirit Airlines, United Airlines, and Delta Air Lines. Philadelphia and Key West have 250 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights1111111
Fly direct with

American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Philadelphia to Key West

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
American AirlinesAALAAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight

United States COVID-19 travel restrictions

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Latest COVID-19 restrictions

United States

Kiwi.com/COVID-19/United States
  • Travel is allowed

  • No proof of a negative pre-departure COVID-19 test required

  • No quarantine required

Latest COVID-19 travel restrictions in United States – 07/2022
Your trip summary

Most travelers from Philadelphia, PHL with proof of full COVID-19 vaccination can enter Key West, EYW.

Departure

Travel restrictions
  • Travel is allowed

  • No proof of a negative pre-departure COVID-19 test required

  • No quarantine required

Return

Travel restrictions
  • Travel is allowed

  • No proof of a negative pre-departure COVID-19 test required

  • No quarantine required

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from Philadelphia to Key West?
A one-way nonstop (direct) flight between Philadelphia and Key West takes around 3.3 hours.
What is the flight distance between Philadelphia and Key West?
The flight distance between Philadelphia and Key West is 1810 km.
What airlines offer nonstop (direct) flights between Philadelphia and Key West?
Several carriers operate flights between Philadelphia and Key West. Airlines offering nonstop (direct) flights include American Airlines.
What are the most popular routes to and from Philadelphia?
Travelers frequently search for route combinations, such as Philadelphia and Orlando, Atlanta, Las Vegas, Denver, Miami, Tampa, San Juan, Los Angeles, New Orleans, Dallas, Fort Myers, Charlotte, Austin, San Diego, Nashville, Houston, Jacksonville, Phoenix, Fort Lauderdale, San Francisco.
What are the most popular routes to and from Key West?
Travelers frequently search for route combinations, such as Key West and Tampa, Washington, D.C., Denver, Orlando, Atlanta, Detroit, Chicago, Fort Lauderdale, New York, Cleveland, Pittsburgh, Minneapolis, Boston, Raleigh, Las Vegas, Columbus, Dallas, Atlantic City, Hartford, Nashville.
Which airports are there in Philadelphia?
Philadelphia is mainly served by Philadelphia International. But there are other airports nearby, including Wings Field.
What airports are near Philadelphia?
The main airport in Philadelphia is Philadelphia International. It is also served by Newark Liberty International, Washington Dulles International, Baltimore–Washington International, LaGuardia, Ronald Reagan Washington National, New York Stewart International Airport, Trenton–Mercer, Long Island MacArthur, Atlantic City International, Harrisburg International.
What airports are near Key West?
The main airport in Key West is Key West International. It is also served by Miami International, Key West International.
What buses and trains depart from Philadelphia?
A number of bus and train companies depart from Philadelphia, including Amtrak train.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Philadelphia and Key West?
What is Virtual Interlining and how do I use it?
Which airlines fly between Philadelphia and Key West?
When's the best time to travel between Philadelphia and Key West?
What flights operate between Philadelphia and Key West?
How many airports are there near Philadelphia?
How many airports are there near Key West?
Is it possible to reach Philadelphia by bus or train?
What time do nonstop (direct) flights between Philadelphia and Key West depart?
What time do nonstop (direct) flights between Philadelphia and Key West arrive?
What time do flights between Philadelphia and Key West depart?
What time do flights between Philadelphia and Key West arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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