Cheap Flights from Philadelphia, PA to Key West, FL from $232

One way Round trip

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On Cheapflightsplus.com you will find 138 connecting flights from Philadelphia to Key West. You can compare airfare deals from 2 airlines and multiple travel sites from $232, 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: $232 (one-way), $398 (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 $232. Take a look at the list of flights with layovers from Philadelphia to Key West from $232. There’re no direct flights. The fastest connecting flight – 5h 24m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $433 Find flight	13:15 Philadelphia Philadelphia Int.	15:01+1 день Key West Key West Int.	25h 46m layover 20h 16m - Chicago	United Airlines	UA221 UA325
from $502 Find flight	12:15 Philadelphia Philadelphia Int.	15:01+1 день Key West Key West Int.	26h 46m layover 21h 20m - Chicago	United Airlines	UA539 UA1385
from $606 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 $232 Find flight	10:30 Philadelphia Philadelphia Int.	09:15+1 день Key West Key West Int.	22h 45m layover 0h 49m - Washington D.C. 16h 53m - Tampa	United Airlines	UA4301 UA2277 UA3135
from $232 Find flight	10:10 Philadelphia Philadelphia Int.	09:15+1 день Key West Key West Int.	23h 5m layover 2h 45m - Chicago 13h 57m - Tampa	United Airlines	UA561 UA622 UA3135
from $232 Find flight	10:10 Philadelphia Philadelphia Int.	13:15+1 день Key West Key West Int.	27h 5m layover 2h 45m - Chicago 17h 57m - Tampa	United Airlines	UA561 UA622 UA3136
from $233 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
from $233 Find flight	10:35 Philadelphia Philadelphia Int.	09:15+1 день Key West Key West Int.	22h 40m layover 0h 53m - Washington D.C. 16h 41m - Tampa	United Airlines	UA4826 UA2277 UA3135
from $233 Find flight	10:10 Philadelphia Philadelphia Int.	09:15+1 день Key West Key West Int.	23h 5m layover 2h 29m - Chicago 13h 58m - Tampa	United Airlines	UA2657 UA1634 UA3135
from $233 Find flight	10:35 Philadelphia Philadelphia Int.	13:15+1 день Key West Key West Int.	26h 40m layover 0h 53m - Washington D.C. 20h 41m - Tampa	United Airlines	UA4826 UA2277 UA3136
from $233 Find flight	06:15 Philadelphia Philadelphia Int.	09:15+1 день Key West Key West Int.	27h 0m layover 1h 0m - Washington D.C. 20h 54m - Tampa	United Airlines	UA4614 UA683 UA3135
from $233 Find flight	10:10 Philadelphia Philadelphia Int.	13:15+1 день Key West Key West Int.	27h 5m layover 2h 29m - Chicago 17h 58m - Tampa	United Airlines	UA2657 UA1634 UA3136
from $233 Find flight	06:00 Philadelphia Philadelphia Int.	09:15+1 день Key West Key West Int.	27h 15m layover 3h 55m - Chicago 16h 40m - Tampa	United Airlines	UA1834 UA2735 UA3135
from $233 Find flight	10:10 Philadelphia Philadelphia Int.	17:15+1 день Key West Key West Int.	31h 5m layover 2h 29m - Chicago 21h 58m - Tampa	United Airlines	UA2657 UA1634 UA3137
from $233 Find flight	06:00 Philadelphia Philadelphia Int.	13:15+1 день Key West Key West Int.	31h 15m layover 3h 55m - Chicago 20h 40m - Tampa	United Airlines	UA1834 UA2735 UA3136
from $274 Find flight	06:30 Philadelphia Philadelphia Int.	10:10+1 день Key West Key West Int.	27h 40m layover 1h 8m - Chicago 19h 52m - Orlando	United Airlines	UA2467 UA2323 UA3075

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on February 23, 2025

Flight Schedule Philadelphia (Pennsylvania) to Key West (Florida)

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	Flight Details	Flight Duration	Price
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$606
13:15 — 15:01 +1 day	13:15 — 14:39 UA221 United Airlines Philadelphia — Chicago 20h 16m stop 10:55 — 15:01 UA325 United Airlines Chicago — Key West	25h 46m including layover	Find flight from$433
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$440
17:15 — 15:01 +1 day	17:15 — 18:39 UA308 United Airlines Philadelphia — Chicago 16h 16m stop 10:55 — 15:01 UA325 United Airlines Chicago — Key West	21h 46m including layover	Find flight from$435
18:40 — 15:01 +1 day	18:40 — 20:04 UA422 United Airlines Philadelphia — Chicago 14h 51m stop 10:55 — 15:01 UA1385 United Airlines Chicago — Key West	20h 21m including layover	Find flight from$467
05:10 — 16:41	05:10 — 07:56 NK3996 Spirit Airlines Philadelphia — Orlando 38m stop 08:34 — 11:06 NK2890 Spirit Airlines Orlando — Indianapolis 2h 52m stop 13:58 — 16:41 G42877 Allegiant Air Indianapolis — Key West	11h 31m including layover	Find flight from$287
06:00 — 09:15 +1 day	06:00 — 07:31 UA1834 United Airlines Philadelphia — Chicago 3h 55m stop 11:26 — 15:20 UA2735 United Airlines Chicago — Tampa 16h 40m stop 08:00 — 09:15 UA3135 United Airlines Tampa — Key West	27h 15m including layover	Find flight from$233
06:00 — 13:15 +1 day	06:00 — 07:31 UA1834 United Airlines Philadelphia — Chicago 3h 55m stop 11:26 — 15:20 UA2735 United Airlines Chicago — Tampa 20h 40m stop 12:00 — 13:15 UA3136 United Airlines Tampa — Key West	31h 15m including layover	Find flight from$233
10:10 — 09:15 +1 day	10:10 — 11:29 UA561 United Airlines Philadelphia — Chicago 2h 45m stop 14:14 — 18:03 UA622 United Airlines Chicago — Tampa 13h 57m stop 08:00 — 09:15 UA3135 United Airlines Tampa — Key West	23h 5m including layover	Find flight from$232
10:10 — 13:15 +1 day	10:10 — 11:29 UA561 United Airlines Philadelphia — Chicago 2h 45m stop 14:14 — 18:03 UA622 United Airlines Chicago — Tampa 17h 57m stop 12:00 — 13:15 UA3136 United Airlines Tampa — Key West	27h 5m including layover	Find flight from$232
12:15 — 10:10 +1 day	12:15 — 13:35 UA539 United Airlines Philadelphia — Chicago 45m stop 14:20 — 18:08 UA2042 United Airlines Chicago — Orlando 14h 37m stop 08:45 — 10:10 UA3075 United Airlines Orlando — Key West	21h 55m including layover	Find flight from$253
12:15 — 14:20 +1 day	12:15 — 13:35 UA539 United Airlines Philadelphia — Chicago 45m stop 14:20 — 18:08 UA2042 United Airlines Chicago — Orlando 18h 47m stop 12:55 — 14:20 UA3071 United Airlines Orlando — Key West	26h 5m including layover	Find flight from$253
14:50 — 10:10 +1 day	14:50 — 15:59 UA6242 United Airlines Philadelphia — Washington D.C. 1h 11m stop 17:10 — 19:36 UA703 United Airlines Washington D.C. — Orlando 13h 9m stop 08:45 — 10:10 UA3075 United Airlines Orlando — Key West	19h 20m including layover	Find flight from$253
14:50 — 14:20 +1 day	14:50 — 15:59 UA6242 United Airlines Philadelphia — Washington D.C. 1h 11m stop 17:10 — 19:36 UA703 United Airlines Washington D.C. — Orlando 17h 19m stop 12:55 — 14:20 UA3071 United Airlines Orlando — Key West	23h 30m including layover	Find flight from$253

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on February 23, 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 05:10 to 18:40 from 4 Philadelphia airports and arrive 05:10 to 18:40 to 2 Key West airports. Average flight time is 25h 23m.

The fastest flight 5h 24m
Average flight time 25h 23m
The earliest flight 05:10
The latest flight 18:40
Distance 1125 ml

The cheapest months to travel to Key West are december (from 232 $), january (from 233 $), november (from 253 $).

The most expensive months are february (from 265 $), november (from 253 $), january (from 233 $).

What is the lowest airfare Philadelphia to Key West?

The cheapest plane ticket found by our users is $232. This airfare is for economy class on one-way UA561 flight by United Airlines for December 13, 2024 which leaves Philadelphia Int. in Philadelphia at 10:10 am and arrives at Key West Key West Int. at 09:15.

Economy class

$232

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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 2 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by United Airlines - 137 departures per week at the price of from $ 232 . And the most expensive tickets are offered by United Airlines airline - from $ 606.

Direct flights

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

Connecting Flights

There are 138 flights with layovers on the route. The fastest connecting flight is UA4614 by United Airlines takes 5h 24m and the cheapest is UA561 by United Airlines for $232.

UA - United Airlines

from $232

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NK - Spirit Airlines

from $287

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See more connecting flights

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 $232
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North Philadelphia-PNE

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Mustin Alf-MUV

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Philadelphia Sea Plane Base-PSQ

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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 2 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.

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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.

Philadelphia — Frankfurt

from $80

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Philadelphia — Birmingham

from $57

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Philadelphia — Venice

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Philadelphia — London

from $55

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Philadelphia — Montreal

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Philadelphia — Munich

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Philadelphia — Panama City

from $74

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Philadelphia — Madrid

from $74

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Philadelphia — Seoul

from $60

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Philadelphia — Toronto

from $69

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
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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.
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