HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$109+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — PHL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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

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 September 16, 2025.

Round-trip from

$207
(Kiwi.com)

One-way from

$109
(Kiwi.com)

Popular in

March

Cheapest in

June

Average price

$637

Good round-trip deal

$287 or less

Good one-way deal

$219 or less
From Key West to Philadelphia
Search Deals
One-way flight from Key West to Philadelphia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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

Find 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 September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/248:55 amEYW - PHL
1 stop16h 12mMultiple Airlines
Sun 10/2610:02 pmPHL - EYW
1 stop10h 13mMultiple Airlines
Deal found 9/13$207
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/108:55 amEYW - PHL
1 stop16h 12mMultiple Airlines
Sun 10/128:08 pmPHL - EYW
1 stop12h 07mMultiple Airlines
Deal found 9/14$228
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/248:55 amEYW - PHL
1 stop16h 12mMultiple Airlines
Mon 10/275:48 pmPHL - EYW
1 stop17h 17mMultiple Airlines
Deal found 9/13$240
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/268:47 amEYW - PHL
1 stop16h 05mMultiple Airlines
Sat 9/2712:01 pmPHL - EYW
2 stops22h 18mMultiple Airlines
Deal found 9/14$264
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/110:47 amEYW - PHL
1 stop24h 41mMultiple Airlines
Sun 10/55:01 amPHL - EYW
1 stop28h 16mMultiple Airlines
Deal found 9/15$300
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:17 pmEYW - PHL
1 stop21h 40mDelta
Sun 10/195:30 amPHL - EYW
1 stop5h 57mDelta
Deal found 9/16$373
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sun 9/2112:29 pmEYW - PHL
2 stops48h 33mMultiple Airlines
Sun 9/285:15 pmPHL - EYW
1 stop18h 37mMultiple Airlines
Deal found 9/14$376
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:09 pmEYW - PHL
Nonstop3h 00mAmerican Airlines
Sun 12/78:46 amPHL - EYW
Nonstop3h 26mAmerican Airlines
Deal found 9/14$443

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 September 16, 2025.
Use the filters below to find and compare flights from Key West to Philadelphia that are best for you.

Fly from

Key West

Fly to

Philadelphia

Route

Depart

Return

Price

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Fri 10/24

8:55 am-1:07 am

1 stop16h 12m

Philadelphia

Sun 10/26

10:02 pm-8:15 am

1 stop10h 13m

$207

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Fri 10/24

8:55 am-1:07 am

1 stop16h 12m

Philadelphia

Mon 10/27

5:48 pm-11:05 am

1 stop17h 17m

$240

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Fri 9/26

8:47 am-12:52 am

1 stop16h 05m

Philadelphia

Sat 9/27

12:01 pm-10:19 am

2 stops22h 18m

$264

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Wed 10/1

10:47 am-9:46 am

2 stops22h 59m

Philadelphia

Sun 10/5

5:01 am-10:19 am

1 stop5h 18m

$273

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 2/26

7:00 am-12:03 pm

1 stop5h 03m

Philadelphia

Mon 3/2

5:55 am-11:03 am

1 stop5h 08m

$277

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 2/26

9:46 am-3:16 pm

1 stop5h 30m

Philadelphia

Thu 2/26

10:00 pm-12:26 pm

1 stop14h 26m

$283

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 2/26

9:46 am-7:06 pm

1 stop9h 20m

Philadelphia

Sun 3/1

11:07 am-9:09 am

2 stops22h 02m

$314

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Fri 10/17

6:17 pm-3:57 pm

1 stop21h 40m

Philadelphia

Sun 10/19

5:30 am-11:27 am

1 stop5h 57m

$373

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Wed 12/3

5:09 pm-8:09 pm

Nonstop3h 00m

Philadelphia

Sun 12/7

8:46 am-12:12 pm

Nonstop3h 26m

$443

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 10/16

8:55 am-1:13 am

1 stop16h 18m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results
1
2

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, August is the cheapest month in which you can book a flight from Key West to Philadelphia (average of $236). Flying from Key West to Philadelphia in March is currently the most expensive (average of $295). 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 September 16, 2025.

It’s optimal to fly from Key West to Philadelphia in the afternoon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight at noon.

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 September 16, 2025.
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
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Comfort

7.2

Overall

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Comfort

7.2

Overall

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 are 3 flights 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 04m is how long a nonstop flight from Key West to Philadelphia typically takes.

  • 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 $358. American Airlines is currently priced 38% 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: Republic Airways (77%), American Airlines (70%), Qatar Airways (68%).

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

    The cheapest flight price from Key West to Philadelphia is $128. On average you can expect to pay $369. The most popular route, (Key West - Philadelphia), can usually be booked for $228.

  • 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, August is the cheapest month in which you can book a flight from Key West to Philadelphia (average of $236). Flying from Key West to Philadelphia in March is currently the most expensive (average of $295). 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
Vineland
Wildwood
King of Prussia
Pottstown
Reading
Dewey Beach
Ephrata
Camden
Ocean City
Cherry Hill
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace
Plymouth Meeting

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 John F Kennedy Intl flights
Fort Lauderdale to LaGuardia flights
Fort Lauderdale to Newark flights
Miami to Newark flights
Miami to LaGuardia flights
Fort Lauderdale to John F Kennedy Intl flights
Orlando to John F Kennedy Intl flights
Tampa to LaGuardia flights
Tampa to John F Kennedy Intl flights
Orlando to LaGuardia flights
Orlando to Newark flights
Tampa to Newark flights
West Palm Beach to John F Kennedy Intl flights
West Palm Beach to LaGuardia flights
West Palm Beach to Newark flights
Jacksonville to LaGuardia flights
Jacksonville to John F Kennedy Intl flights
Orlando to Dulles Intl flights
Tampa to Dulles Intl flights
Miami to Reagan-National flights
Orlando to Reagan-National flights
Tampa to Reagan-National flights
Jacksonville to Newark flights
Fort Lauderdale to Philadelphia flights
Miami to Dulles Intl flights
Orlando to Philadelphia flights
Tampa to Philadelphia flights
Fort Myers to John F Kennedy Intl flights
Jacksonville to Dulles Intl flights
West Palm Beach to Reagan-National flights
Miami to Philadelphia flights
Fort Myers to Newark flights
Jacksonville to Philadelphia flights
Jacksonville to Reagan-National flights
Fort Lauderdale to Reagan-National flights
Sarasota to John F Kennedy Intl flights
Fort Lauderdale to Dulles Intl flights
Sarasota to LaGuardia flights
Sarasota to Newark flights
Fort Myers to LaGuardia flights
West Palm Beach to Dulles Intl flights
Fort Myers to Philadelphia flights
Orlando to Pittsburgh flights
Fort Lauderdale to Pittsburgh flights
Fort Myers to Dulles Intl flights
Pensacola to LaGuardia flights
West Palm Beach to Philadelphia flights
Pensacola to Dulles Intl flights
Pensacola to Reagan-National flights
Tampa to Pittsburgh 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$358Average$537FlexibilityNo 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.