Philadelphia to Key West: what the flight costs
In the last 60 days we checked this route 3 times. The typical return was £255 per person and the lowest £255, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | £255 |
| Typical (median) | £255 |
| Price checks, 60 days | 3 |
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Trips we picked on this route
Just found · from PhiladelphiaWorth it, if
Key West
27 – 30 Nov 2026 · 3 nights
- £108 per person below the highest fare we saw for these dates
- Blue Flamingo Resort Key West, rated 8.4 by 1,582 guests
- Typical highs 75–77°F, lows near 73°F this time of year
£1,140 for two · 3 nights · flights, hotel, taxes & fees
Flights £510 + hotel £631, taxes in · a checked bag each adds about £181
F9 + G4 · with a stop · 33h 50m
The catch: Not nonstop: a stop on the way, 33h 50m in all.
Worth it if you want sun, sand and a pool; skip it if you want a city to walk.
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| 14 Oct 2026 | 19 – 22 Nov 2026 | £271 | F9 + G4 | with a stop | 24h 40m | Kiwi.com |
| 13 Oct 2026 | 27 – 30 Nov 2026 | £255 | F9 + G4 | with a stop | 33h 50m | Kiwi.com |
| 13 Oct 2026 | 27 – 30 Nov 2026 | £255 | F9 + G4 | with a stop | 16h 2m | Kiwi.com |
About Key West
Key West is the end of the road, a small island of pastel conch houses, sunset celebrations and reef snorkelling at the tip of the Florida Keys.
Key West from every city: when to go, where to stay, what to do
Questions about Philadelphia to Key West
What does a return from Philadelphia to Key West usually cost?
Over the last 60 days the typical price we found was £255 per person, taxes and fees included, across 3 checks; the lowest was £255.
When is the best time to fly from Philadelphia to Key West?
Key West is at its best in January, February, March, April, May, November and December. Avoid August, September, October: Peak hurricane season; many visitors wait until November
Do I need a passport to fly from Philadelphia to Key West?
No passport needed for travellers from the United States: a government photo ID is enough for Key West.
Prices converted from US dollars at the rate of 15 Oct 2026.