HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$99+ Cheap flights from Key West to Philadelphia (EYW - PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — PHL
Jul 14 — Jul 211
Tue 7/14
Tue 7/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key West to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Key West to Philadelphia

Cheapest flights from Key West to Philadelphia
Explore the most affordable flight options available from Key West to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/314:41 pm
EYW
-
PHL
1 stop8h 28m
Multiple Airlines
Sun 8/26:18 pm
PHL
-
EYW
1 stop15h 23m
Multiple Airlines
Deal found 6/13$263
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/173:27 pm
EYW
-
PHL
1 stop17h 25m
Multiple Airlines
Sun 7/196:18 pm
PHL
-
EYW
1 stop15h 23m
Multiple Airlines
Deal found 6/11$327
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:14 pm
EYW
-
PHL
2 stops9h 14m
Multiple Airlines
Tue 7/216:33 pm
PHL
-
EYW
1 stop21h 37m
Multiple Airlines
Deal found 6/13$344
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:04 am
EYW
-
PHL
2 stops20h 00m
Multiple Airlines
Sun 11/86:00 am
PHL
-
EYW
1 stop5h 21m
Multiple Airlines
Deal found 6/14$353
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/173:27 pm
EYW
-
PHL
2 stops27h 53m
Multiple Airlines
Fri 7/246:33 pm
PHL
-
EYW
1 stop19h 21m
Multiple Airlines
Deal found 6/13$355
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:05 pm
EYW
-
PHL
1 stop10h 50m
Multiple Airlines
Tue 7/214:30 pm
PHL
-
EYW
2 stops42h 57m
Multiple Airlines
Deal found 6/11$358
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/241:11 pm
EYW
-
PHL
2 stops9h 22m
Multiple Airlines
Fri 7/315:25 am
PHL
-
EYW
1 stop6h 02m
Multiple Airlines
Deal found 6/14$395

Find flight deals from Key West to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$263
(Kiwi.com)

One-way from

$99
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$537

Good round-trip deal

$527 or less

Good one-way deal

$386 or less
Provider with most accurate pricing for Key West-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Key West-Philadelphia flights.
Search Deals
From Key West to Philadelphia
Search Deals
One-way flight from Key West to Philadelphia
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Key West to Philadelphia.
Search Deals
Price to beat on a one-way flight from Key West to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key West to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 14, 2026.
Use the filters below to find and compare flights from Key West to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 7/16

1:47 pm-7:41 pm

1 stop5h 54m

Philadelphia

Tue 7/21

10:30 am-1:40 pm

Nonstop3h 10m

$495

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Tue 9/15

6:19 pm-12:56 am

1 stop6h 37m

Philadelphia

Sun 9/20

5:20 am-10:47 am

1 stop5h 27m

$505
Quickest round-trip

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Fri 7/17

5:34 pm-8:40 pm

Nonstop3h 06m

Philadelphia

Sun 7/19

10:30 am-1:40 pm

Nonstop3h 10m

$527

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Wed 7/15

4:00 pm-12:57 am

1 stop8h 57m

Philadelphia

Tue 7/21

6:00 am-3:19 pm

1 stop9h 19m

$584

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 7/16

4:00 pm-12:57 am

1 stop8h 57m

Philadelphia

Tue 7/21

6:10 am-3:19 pm

2 stops9h 09m

$886

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Tue 9/15

2:20 pm-9:43 am

2 stops19h 23m

Philadelphia

Sun 9/20

7:40 pm-1:29 pm

2 stops17h 49m

$975
Cheapest one-way

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Sun 8/9

9:31 pm-3:17 pm

2 stops17h 46m

$142

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Tue 8/11

1:14 pm-11:44 pm

3 stops34h 30m

$210
Quickest one-way

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Fri 12/4

12:45 pm-9:48 pm

1 stop9h 03m

$382

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Fri 12/11

2:35 pm-5:15 pm

1 stop26h 40m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from Key West to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Key West to Philadelphia in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Key West-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Key West-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Key West-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Key West-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Key West to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Key West with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Key West to Philadelphia

What is the cheapest month to book a flight from Key West to Philadelphia?

Currently, October is the cheapest month in which you can book a flight from Key West to Philadelphia (average of $443). Flying from Key West to Philadelphia in March is currently the most expensive (average of $1,292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EYW to PHL?

Find hourly flight availability from Key West to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2026.

When flying from Key West to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Key West to Philadelphia?

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated June 14, 2026.
Get a feel of what it's like to fly with American Airlines from Key West to Philadelphia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,654 reviews

Crew

7.9

Comfort

7.2

Food

6.4

Entertainment

6.9

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,654 reviews
American Airlines
7.1
Good
11,654 reviews

Crew

7.9

Comfort

7.2

Food

6.4

Entertainment

6.9

Boarding

7.5

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Related info for your journey

Find useful and relevant information for your journey from Key West to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Key West to Philadelphia?

    If you wish to fly to Philadelphia from Key West, then you need to book flights from Key West to Philadelphia. There is 1 flight from Key West (EYW) to Philadelphia (PHL) per day to choose from. Flights to Philadelphia from Key West are available from 1 airline, which means you should have some options if you want to compare airfare deals. 3h 00m is how long a nonstop flight from Key West to Philadelphia typically takes.

  • How long is the flight from Key West to Philadelphia?

    Airlines like American Airlines, Delta, and United Airlines fly from Key West to Philadelphia in about 5h 54m. The time it takes to get you to your destination can typically vary by up to 3h 03m. There are 1123 mi between Key West and Philadelphia. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Key West to Philadelphia round-trip?

    Flying on American Airlines is currently your cheapest option to Philadelphia, with prices starting at $443. American Airlines is currently priced 25% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Key West to Philadelphia?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Key West to Philadelphia on time: Alaska Airlines (80%), Republic Airways (80%), American Airlines (68%).

  • What are the cheapest flights from Key West to Philadelphia?

    The cheapest flight price from Key West to Philadelphia is $263. On average you can expect to pay $499. The most popular route, (Key West - Philadelphia), can usually be booked for $327.

  • Can I find deals for flights from Key West to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Key West to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key West to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to Philadelphia.

  • Can I find deals for business class flights from Key West to Philadelphia?

    Yes. Cheapflights offers flight deals from Key West to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key West to Philadelphia?

    Currently, October is the cheapest month in which you can book a flight from Key West to Philadelphia (average of $443). Flying from Key West to Philadelphia in March is currently the most expensive (average of $1,292). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Plymouth Meeting
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Milford
Wildwood Crest
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Key West to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Newark flights
Orlando to Newark flights
Orlando to LaGuardia flights
Fort Lauderdale to Newark flights
Fort Lauderdale to LaGuardia flights
Orlando to John F Kennedy Intl flights
Fort Lauderdale to John F Kennedy Intl flights
Tampa to Newark flights
Miami to John F Kennedy Intl flights
Miami to LaGuardia flights
Tampa to LaGuardia flights
West Palm Beach to Newark flights
West Palm Beach to John F Kennedy Intl flights
Tampa to John F Kennedy Intl flights
Fort Lauderdale to Philadelphia flights
Orlando to Philadelphia flights
Orlando to Dulles Intl flights
West Palm Beach to LaGuardia flights
Fort Lauderdale to Dulles Intl flights
Orlando to Reagan-National flights
Jacksonville to Newark flights
Tampa to Dulles Intl flights
Fort Myers to Newark flights
Tampa to Philadelphia flights
Jacksonville to John F Kennedy Intl flights
Tampa to Reagan-National flights
Miami to Philadelphia flights
Fort Lauderdale to Reagan-National flights
Miami to Dulles Intl flights
Fort Myers to John F Kennedy Intl flights
Jacksonville to LaGuardia flights
Miami to Reagan-National flights
Sarasota to Newark flights
Orlando to Pittsburgh flights
Fort Myers to LaGuardia flights
West Palm Beach to Dulles Intl flights
Sarasota to John F Kennedy Intl flights
Jacksonville to Philadelphia flights
West Palm Beach to Reagan-National flights
Sarasota to LaGuardia flights
Pensacola to LaGuardia flights
Jacksonville to Reagan-National flights
Jacksonville to Dulles Intl flights
Fort Lauderdale to Pittsburgh flights
Fort Myers to Dulles Intl flights
Tampa to Pittsburgh flights
Fort Myers to Philadelphia flights
Sarasota to Philadelphia flights
Sarasota to Reagan-National flights

Top airline flying from Key West to Philadelphia

Discover the top airline that operate flights from Key West to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$443Average$554FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.