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Cheap flights Philadelphia (Philadelphia International) to Key West

1 passenger, economy

Nonstop flights from Philadelphia to Key West: American Airlines. Nonstop flights per week: 1. Flight time: 3 hours 41 minutes. Distance: 1809 km. Tickets from £74 (departure 14 December).

Prices updated on 9 November at 10:57

See also: Flights from Philadelphia (Philadelphia International)Flights to Key West

Cheap flights Philadelphia to Key West

Compare prices, duration and stops

Frontier Airlines
F9 2505 Best price
16:26
Philadelphia International (PHL)
Mon, 14 Dec
17h 53min
1 stop
10:19
Key West (EYW)
Tue, 15 Dec +1
£74
Frontier Airlines
F9 3985
20:12
Philadelphia International (PHL)
Sat, 26 Dec
38h 7min
2 stops
10:19
Key West (EYW)
Mon, 28 Dec +1
£205
Frontier Airlines
F9 1541
21:29
Philadelphia International (PHL)
Mon, 28 Dec
11h 49min
1 stop
09:18
Key West (EYW)
Tue, 29 Dec +1
£174
Frontier Airlines
F9 2113
16:56
Philadelphia International (PHL)
Tue, 29 Dec
42h 25min
3 stops
11:21
Key West (EYW)
Thu, 31 Dec +1
£207
Allegiant Air
G4 979
18:36
Philadelphia International (PHL)
Wed, 30 Dec
16h 45min
1 stop
11:21
Key West (EYW)
Thu, 31 Dec +1
£122
Frontier Airlines
F9 2505
16:41
Philadelphia International (PHL)
Thu, 31 Dec
17h 38min
1 stop
10:19
Key West (EYW)
Fri, 1 Jan +1
£96
Frontier Airlines
F9 1541
21:29
Philadelphia International (PHL)
Thu, 31 Dec
12h 50min
1 stop
10:19
Key West (EYW)
Fri, 1 Jan +1
£111
Frontier Airlines
F9 1541
22:20
Philadelphia International (PHL)
Thu, 31 Dec
11h 59min
1 stop
10:19
Key West (EYW)
Fri, 1 Jan +1
£107
American Airlines
AA 4387
17:50
Philadelphia International (PHL)
Tue, 9 Feb
3h 41min
Direct
21:31
Key West (EYW)
Tue, 9 Feb
£168

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November 2026 — no data Mon, 9 Nov · One way

Prices as of 9 November, 11:09 Moscow time

Cheap flights Philadelphia to Key West

Frontier Airlines
Frontier Airlines
Mon, Tue, Thu, Sat
Price from
£107

Which airlines offer the cheapest flights from Philadelphia to Key West?

Based on collected data, the cheapest flights are offered by Allegiant Air with an average ticket price of £122.

  • Allegiant Air Average price: £122 · Flights: 1 · Direct: 0
  • Frontier Airlines Average price: £139 · Flights: 4 · Direct: 0
  • American Airlines Average price: £168 · Flights: 1 · Direct: 1

Which airlines fly most often from Philadelphia to Key West?

The most flight options on this route are offered by Frontier Airlines — options found: 4.

  • Frontier Airlines Flights: 4 · Direct: 0
  • Allegiant Air Flights: 1 · Direct: 0
  • American Airlines Flights: 1 · Direct: 1

How many flights per day operate from Philadelphia to Key West?

Most flights operate on Mon (2), the fewest on Fri (0).

  • Mon Flights: 2 · Direct: 0
  • Tue Flights: 2 · Direct: 1
  • Wed Flights: 1 · Direct: 0
  • Thu Flights: 2 · Direct: 0
  • Fri —
  • Sat Flights: 1 · Direct: 0
  • Sun —

Popular destinations from Philadelphia

All →
PHL
Philadelphia — Tampa
United States → United States
TPA
from
£31
PHL
Philadelphia — San Juan
United States → Puerto Rico
SJU
from
£34
PHL
Philadelphia — Miami
United States → United States
MIA
from
£36
PHL
Philadelphia — Fort Lauderdale
United States → United States
FLL
from
£41
PHL
Philadelphia — Orlando
United States → United States
ORL
from
£44
PHL
Philadelphia — Raleigh
United States → United States
RDU
from
£53

Popular destinations to Key West

All →
ORL
Orlando — Key West
United States → United States
EYW
from
£30
TPA
Tampa — Key West
United States → United States
EYW
from
£31
MIA
Miami — Key West
United States → United States
EYW
from
£67
WAS
Washington — Key West
United States → United States
EYW
from
£74
FLL
Fort Lauderdale — Key West
United States → United States
EYW
from
£86
JAX
Jacksonville — Key West
United States → United States
EYW
from
£101
RDU
Raleigh — Key West
United States → United States
EYW
from
£103
SJU
San Juan — Key West
Puerto Rico → United States
EYW
from
£118

Flights from Philadelphia to cities near Key West

Cheaper than Key West right now: Miami — from £34, £41 less. The cities are 202 km apart.

City Distance Direct Flights Airlines Price from
Key WestEYW — 163 direct from £168
MiamiMIA 202 km 7194 £41 cheaper
Fort MyersFMY 226 km 293 £28 cheaper
Fort LauderdaleFLL 233 km 10216 £34 cheaper
West Palm BeachPBI 289 km 152

Distance is a straight line between the cities. Prices are the lowest one-way fares.

Cheap flights Philadelphia to Key West

Price from
£74
Average price
£122
Flight time
3 hours 41 minutes
Distance
1 809 km
Рейсов в неделю
1
Airlines
3
Most frequent flight
F9 1541

Prices as of 9 November, 10:57 Moscow time

Airports on the Philadelphia — Key West route

From → to Flights Direct Airlines Price from
Philadelphia InternationalPHL Key WestEYW
613

Departure airports · Philadelphia

Arrival airports · Key West

  • Key WestEYW

Passenger reviews

No reviews for this route yet

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Frequently Asked Questions

Yes. Nonstop flights from Philadelphia to Key West are operated by: American Airlines. A nonstop flight takes 3 hours 41 minutes on average. Nonstop tickets start at £168.
The average ticket price Philadelphia Key West is £122. The cheapest ticket costs £74, operated by Frontier Airlines, flight F9 2505, departing Philadelphia on 14 December at 16:26, arriving Key West on 15 December at 10:19. Prices as of 9 November.
A nonstop flight takes 3 hours 41 minutes on average. With a connection: from 11 hours 49 minutes, usually about 17 hours.
Tickets from Philadelphia to Key West are sold by: Frontier Airlines, American Airlines, Allegiant Air. Nonstop: American Airlines.
The distance from Philadelphia to Key West is 1809 km.