Cheap Flights from Philadelphia, PA to Key West, FL from $252

Return flight: Key West – Philadelphia
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On Cheapflightsplus.com you will find 9 connecting flights from Philadelphia to Key West. You can compare airfare deals from 1 airlines and multiple travel sites from $252, book and save on cheap plane tickets and last minute offers. Also check out PHL-EYW flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Philadelphia to Key West Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $252 (one-way), $432 (round-trip).
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Best Flights from Philadelphia to Key West Today

Take a look at the list of non stop flights and flights with layovers from Philadelphia to Key West with the lowest price of $252. Take a look at the list of flights with layovers from Philadelphia to Key West from $252. There’re no direct flights. The fastest connecting flight – 5h 24m.
Price Departure Arrival Flight Duration Airline Flight
from $418
Find flight
17:10
Philadelphia
Philadelphia Int.
 14:49+1 день
Key West
Key West Int.
 21h 39m
layover
15h 54m - Chicago
 United Airlines
UA308
UA2070
from $418
Find flight
12:15
Philadelphia
Philadelphia Int.
 14:49+1 день
Key West
Key West Int.
 26h 34m
layover
20h 48m - Chicago
 United Airlines
UA2394
UA2070
from $418
Find flight
10:10
Philadelphia
Philadelphia Int.
 14:49+1 день
Key West
Key West Int.
 28h 39m
layover
22h 54m - Chicago
 United Airlines
UA2657
UA2070
from $432
Find flight
06:00
Philadelphia
Philadelphia Int.
 14:49
Key West
Key West Int.
 8h 49m
layover
3h 4m - Chicago
 United Airlines
UA1834
UA2070
from $457
Find flight
17:31
Philadelphia
Philadelphia Int.
 16:01+1 день
Key West
Key West Int.
 22h 30m
layover
15h 26m - Houston
 United Airlines
UA6178
UA6200
from $457
Find flight
12:44
Philadelphia
Philadelphia Int.
 16:01+1 день
Key West
Key West Int.
 27h 17m
layover
20h 29m - Houston
 United Airlines
UA1274
UA6200
from $577
Find flight
08:00
Philadelphia
Philadelphia Int.
 16:01
Key West
Key West Int.
 8h 1m
layover
1h 13m - Houston
 United Airlines
UA1798
UA6200
from $252
Find flight
06:15
Philadelphia
Philadelphia Int.
 17:15
Key West
Key West Int.
 11h 0m
layover
1h 0m - Washington D.C.
4h 54m - Tampa
 United Airlines
UA4614
UA683
UA3137
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on January 22, 2025
Full flight schedule will help you in detecting at what time planes fly from Philadelphia to Key West. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
06:00 — 14:49
06:00 — 07:31 UA1834 United Airlines
Philadelphia — Chicago
3h 4m stop
10:35 — 14:49 UA2070 United Airlines
Chicago — Key West
8h 49m
including layover
Find flight
from$432
06:15 — 11:39
06:15 — 07:30 UA4614 United Airlines
Philadelphia — Washington D.C.
55m stop
08:25 — 11:39 UA6217 United Airlines
Washington D.C. — Key West
5h 24m
including layover
Find flight
from$432
08:00 — 16:01
08:00 — 10:56 UA1798 United Airlines
Philadelphia — Houston
1h 13m stop
12:09 — 16:01 UA6200 United Airlines
Houston — Key West
8h 1m
including layover
Find flight
from$577
10:10 — 14:49
+1 day
10:10 — 11:41 UA2657 United Airlines
Philadelphia — Chicago
22h 54m stop
10:35 — 14:49 UA2070 United Airlines
Chicago — Key West
28h 39m
including layover
Find flight
from$418
12:15 — 14:49
+1 day
12:15 — 13:47 UA2394 United Airlines
Philadelphia — Chicago
20h 48m stop
10:35 — 14:49 UA2070 United Airlines
Chicago — Key West
26h 34m
including layover
Find flight
from$418
12:44 — 16:01
+1 day
12:44 — 15:40 UA1274 United Airlines
Philadelphia — Houston
20h 29m stop
12:09 — 16:01 UA6200 United Airlines
Houston — Key West
27h 17m
including layover
Find flight
from$457
17:10 — 14:49
+1 day
17:10 — 18:41 UA308 United Airlines
Philadelphia — Chicago
15h 54m stop
10:35 — 14:49 UA2070 United Airlines
Chicago — Key West
21h 39m
including layover
Find flight
from$418
17:31 — 16:01
+1 day
17:31 — 20:43 UA6178 United Airlines
Philadelphia — Houston
15h 26m stop
12:09 — 16:01 UA6200 United Airlines
Houston — Key West
22h 30m
including layover
Find flight
from$457
06:15 — 17:15
06:15 — 07:30 UA4614 United Airlines
Philadelphia — Washington D.C.
1h stop
08:30 — 11:06 UA683 United Airlines
Washington D.C. — Tampa
4h 54m stop
16:00 — 17:15 UA3137 United Airlines
Tampa — Key West
11h
including layover
Find flight
from$252
*Departure and arrival times - local. Updated on January 22, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Philadelphia to Key West depends on and how to choose the most interesting flight option for you.

Distance between Philadelphia and Key West is 1809 miles. Time difference between the cities is 0h. Airplanes depart 06:00 to 17:31 from 4 Philadelphia airports and arrive 06:00 to 17:31 to 2 Key West airports. Average flight time is 21h 39m.

  • The fastest flight 5h 24m
  • Average flight time 21h 39m
  • The earliest flight 06:00
  • The latest flight 17:31
  • Distance 1125 ml

The cheapest months to travel to Key West are january (from 221 $), february (from 252 $).

What is the lowest airfare Philadelphia to Key West?

The cheapest plane ticket found by our users is $252. This airfare is for economy class on one-way UA4614 flight by United Airlines for February 1, 2025 which leaves Philadelphia Int. in Philadelphia at 06:15 am and arrives at Key West Key West Int. at 17:15.

Economy class
$252
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Business class
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First class
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Popular Airlines on the Route

The flight Philadelphia — Key West is served by 1 regular airline . Most of the flights on this route are operated by United Airlines - 9 departures per week at the price of from $ 252 . And the most expensive tickets are offered by United Airlines airline - from $ 577.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 9 flights with layovers on the route. The fastest connecting flight is UA4614 by United Airlines takes 5h 24m and the cheapest is UA4614 by United Airlines for $252.

  • UA - United Airlines
    from $252
    Find
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Airports

You can fly from Philadelphia to Key West from 4 airports (Philadelphia Int., North Philadelphia, Mustin Alf, Philadelphia Sea Plane Base).

Philadelphia airports

  • Philadelphia Int.-PHL
    from $252
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  • North Philadelphia-PNE
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  • Mustin Alf-MUV
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  • Philadelphia Sea Plane Base-PSQ
    Find

Key West airports

  • NAS-NQX
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  • Key West Int.-EYW
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Airplanes

There are flights to Key West from Philadelphia by 1 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Philadelphia

You may also consider searching for discounted plane tickets to some other popular places from Philadelphia within United States.

Top International Destinations from Philadelphia

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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