Cheap flights from Philadelphia to Key West

Philadelphia
PHL
Key West
EYW

Flight deals from Philadelphia to Key West

Below you can see the best deals on flights Philadelphia — Key West for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 26 August, from $232.

Top 10 cheap flights from Philadelphia to Key West

About the Philadelphia — Key West flight

Looking for cheap flights from Philadelphia to Key West? Compare fares from different airlines, check the flight schedule and travel time — and book your Philadelphia — Key West ticket online at the best price.

The route has direct flights — around 14 flights per week, flights are operated by American Airlines, a nonstop flight takes about 3 h 10 min, the distance between the cities is around 1,816 km.

Planning your trip? You may find our Key West travel guide, how to get from the airport into town and Key West weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $230Min. price
JanuaryCheapest
JunePeak season
YesDirect flights
1,816 kmDistance
3 h 10 minTravel time
1Airlines
14 / wkFlights

Flight schedule from Philadelphia to Key West

The table shows direct flights from Philadelphia to Key West on the selected date. The flight takes approximately 3 h 10 min. Regular flights are operated by American Airlines. Departures from Philadelphia International Airport and Trenton-Mercer Airport airports, arrivals at Key West International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

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Last update: 25 Aug 2026

Flight ticket prices by day: Philadelphia — Key West

Below is a calendar of the lowest flight ticket prices for Philadelphia — Key West by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $230 in January, and the most expensive are around $501 in June. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Philadelphia to Key West by month. Tickets are usually cheapest in January (around $300) and priciest in April (about $384) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$300lowMay$336mediumSep$300low
Feb$324mediumJun$324mediumOct$324medium
Mar$372highJul$336mediumNov$384high
Apr$384highAug$312lowDec$372high

Some values are estimated based on seasonality.

When to fly

Weather in Key West: it is warmest in August (up to 29 °C on average) and coolest in January (around 22 °C). The driest month is February.

Tickets are usually cheapest in January and most expensive in June. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Key West

Dry and wet days · Key West

Wind speed and direction · Key West

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How to get the best deal on a Philadelphia — Key West ticket

  • Book ahead: fares for Philadelphia — Key West are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Philadelphia is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Key West is usually January — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Philadelphia — Key West route are operated by 1 airline; American Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • American AirlinesAA
    5x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight PHL → EYW5x/week
      Duration
      3h 11m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Philadelphia — Key West route

Flights Philadelphia — Key West depart from Philadelphia International Airport and Trenton-Mercer Airport and arrive at Key West International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Philadelphia

PHL
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Key West

EYW
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Philadelphia — Key West flight

How long is the flight from Philadelphia to Key West?

A nonstop Philadelphia — Key West flight takes about 3 h 10 min — the distance between the cities is around 1,816 km.

How far is it from Philadelphia to Key West?

The distance from Philadelphia to Key West is about 1,816 km, which a nonstop flight covers in around 3 h 10 min.

Are there direct flights from Philadelphia to Key West?

Yes, there are nonstop flights Philadelphia — Key West — around 14 flights per week.

Which airlines fly from Philadelphia to Key West?

Airlines operating Philadelphia — Key West include American Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Philadelphia — Key West flights use?

Flights from Philadelphia depart from Philadelphia International Airport, Trenton-Mercer Airport, and arrive at Key West International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Philadelphia to Key West?

The price of a Philadelphia — Key West ticket depends on your travel date, season and demand: it is usually cheapest to fly in January, and most expensive in June. Tickets typically cost between $230 and $501. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Philadelphia — Key West?

Flights Philadelphia — Key West are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is January. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Philadelphia to Key West?

To catch a low fare Philadelphia — Key West, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually January.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Philadelphia

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AtlantaChicagoBostonOrlandoFort LauderdaleMiamiTorontoDetroitWashington, D.C.CharlotteRaleighDallasLos AngelesPhoenixDenverMinneapolisSan JuanPittsburghSeattleNashvilleMontrealColumbusClevelandTampaIndianapolisSan FranciscoNorfolkHoustonLas VegasCincinnatiHarrisburgJacksonvilleRichmondHartfordSouth PortlandAlbanyRochesterCancunKansas CityPunta Cana

Where else you can fly from Key West

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Washington, D.C.ChicagoDallasAtlantaNew York CityBostonFort LauderdaleCharlotteMiamiNew HavenTampaHoustonOrlandoCancunTallahasseeNassauGainesville

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