Cheap flights from Key West to Philadelphia

Key West
EYW
Philadelphia
PHL

Flight deals from Key West to Philadelphia

Below you can see the best deals on flights Key West — Philadelphia 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 $122.

Top 10 cheap flights from Key West to Philadelphia

About the Key West — Philadelphia flight

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

The route has direct flights — around 13 flights per week, flights are operated by American Airlines, a nonstop flight takes about 3 h 6 min, the distance between the cities is around 1,816 km.

Planning your trip? You may find our Philadelphia travel guide, how to get from the airport into town and Philadelphia 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 $122Min. price
AugustCheapest
DecemberPeak season
YesDirect flights
1,816 kmDistance
3 h 6 minTravel time
1Airlines
13 / wkFlights

Flight schedule from Key West to Philadelphia

The table shows direct flights from Key West to Philadelphia on the selected date. The flight takes approximately 3 h 6 min. Regular flights are operated by American Airlines. Departures from Key West International Airport airports, arrivals at Philadelphia International Airport and Trenton-Mercer 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.

Today
Any time
Last update: 15 Aug 2026

Flight ticket prices by day: Key West — Philadelphia

Below is a calendar of the lowest flight ticket prices for Key West — Philadelphia by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $122 in August, and the most expensive are around $325 in December. 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 Key West to Philadelphia by month. Tickets are usually cheapest in October (around $288) and priciest in June (about $432) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$348mediumMay$372mediumSep$324medium
Feb$300lowJun$432highOct$288low
Mar$420highJul$420highNov$312low
Apr$348mediumAug$384mediumDec$408high

Some values are estimated based on seasonality.

When to fly

Weather in Philadelphia: it is warmest in July (up to 30 °C on average) and coolest in January (around 6 °C). The driest month is November.

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

Temperature · Philadelphia

Dry and wet days · Philadelphia

Wind speed and direction · Philadelphia

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

  • Book ahead: fares for Key West — Philadelphia 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.
  • The cheapest month to fly to Philadelphia is usually August — 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 Key West — Philadelphia 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
    4x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight EYW → PHL4x/week
      Duration
      3h 10m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Key West — Philadelphia route

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

Departure

Key West

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

Philadelphia

PHL
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 Key West — Philadelphia flight

How long is the flight from Key West to Philadelphia?

A nonstop Key West — Philadelphia flight takes about 3 h 6 min — the distance between the cities is around 1,816 km.

How far is it from Key West to Philadelphia?

The distance from Key West to Philadelphia is about 1,816 km, which a nonstop flight covers in around 3 h 6 min.

Are there direct flights from Key West to Philadelphia?

Yes, there are nonstop flights Key West — Philadelphia — around 13 flights per week.

Which airlines fly from Key West to Philadelphia?

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

Which airports do Key West — Philadelphia flights use?

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

How much is a ticket from Key West to Philadelphia?

The price of a Key West — Philadelphia ticket depends on your travel date, season and demand: it is usually cheapest to fly in August, and most expensive in December. Tickets typically cost between $122 and $325. Check the current lowest fare and low-price calendar on this page.

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

Flights Key West — Philadelphia 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 August. Compare prices by month in the price trend chart on this page.

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

To catch a low fare Key West — Philadelphia, 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 August.

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 Key West

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Washington, D.C.ChicagoDallasAtlantaNew York CityBostonFort LauderdaleCharlotteMiamiNew HavenTampaHoustonOrlandoCancunTallahasseeNassauGainesville

Where else you can fly from Philadelphia

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

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