Cheap Flights from Philadelphia to Key West
No deal from Philadelphia to Key West has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Philadelphia to Key West, the lowest round-trip fare we recorded was $209, in October. The typical fare was $473. October was the cheapest month we saw and September the dearest.
The most recent price we saw on this route was $507 on American and JetBlue, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/philadelphia">from Philadelphia</a>, <a href="/to/key-west">to Key West</a>, or the return direction <a href="/from/key-west/to/philadelphia">Key West to Philadelphia</a>.
Latest price we saw: Philadelphia to Key West
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Philadelphia (PHL) to Key West (EYW) | $507 | 22.6¢ | Mar 28 – Apr 6 | American and JetBlue | Oct 17 | Check price |
Price history: Philadelphia to Key West
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $209 | $476 | 18 |
| Sep 2026 | $473 | $488 | 37 |
| Aug 2026 | $286 | $454 | 148 |
Frequently asked questions
How many flight deals from Philadelphia to Key West are on Sparkflights right now?
There are 0 verified deals from Philadelphia to Key West on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Philadelphia to Key West?
The lowest fare we've recorded from Philadelphia to Key West is $209, based on 203 price observations over 3 months.
How much does a flight from Philadelphia to Key West cost?
The typical round-trip fare we observed from Philadelphia to Key West is $473, against a recorded low of $209. These are observations, not quotes.
When is the cheapest month to fly Philadelphia to Key West?
October was the cheapest month we observed from Philadelphia to Key West and September the dearest, over 3 months of data.
What is the current price from Philadelphia to Key West?
The most recent fare our sweep saw from Philadelphia to Key West is $507, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.