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$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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — PHL
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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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 April 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/121:14 pm
EYW
-
PHL
1 stop24h 36m
Multiple Airlines
Sat 5/168:00 am
PHL
-
EYW
2 stops27h 25m
Multiple Airlines
Deal found 4/27$235
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 6/1011:46 am
EYW
-
PHL
1 stop13h 31m
Multiple Airlines
Sat 6/139:16 pm
PHL
-
EYW
1 stop14h 09m
Multiple Airlines
Deal found 4/25$248
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 7/167:53 pm
EYW
-
PHL
1 stop5h 16m
Multiple Airlines
Sun 7/196:18 pm
PHL
-
EYW
1 stop15h 23m
Multiple Airlines
Deal found 4/28$253
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/19:49 am
EYW
-
PHL
1 stop13h 19m
Multiple Airlines
Fri 5/88:44 pm
PHL
-
EYW
2 stops36h 24m
Multiple Airlines
Deal found 4/26$285
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 8/141:11 pm
EYW
-
PHL
1 stop11h 58m
Multiple Airlines
Sun 8/238:37 pm
PHL
-
EYW
2 stops15h 54m
Multiple Airlines
Deal found 4/29$305
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Mon 5/111:11 pm
EYW
-
PHL
1 stop24h 39m
Multiple Airlines
Fri 5/155:05 am
PHL
-
EYW
1 stop6h 22m
Multiple Airlines
Deal found 4/25$334
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/1311:46 am
EYW
-
PHL
1 stop6h 00m
Multiple Airlines
Sun 5/175:05 am
PHL
-
EYW
1 stop6h 20m
Multiple Airlines
Deal found 4/28$375

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$235
(Kiwi.com)

One-way from

$99
(Kiwi.com)

Popular in

March

Cheapest in

June

Average price

$695

Good one-way deal

$545 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. 29% potential increase in price ($256 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 30, 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

Fri 8/14

1:11 pm-1:09 am

1 stop11h 58m

Philadelphia

Sun 8/23

6:31 pm-12:31 pm

1 stop18h 00m

$315

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Sun 7/26

12:05 pm-8:51 am

1 stop20h 46m

Philadelphia

Wed 7/29

10:11 am-11:25 am

1 stop25h 14m

$402

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Tue 9/15

7:00 am-1:07 pm

1 stop6h 07m

Philadelphia

Sun 9/20

5:30 am-10:58 am

1 stop5h 28m

$475

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 6/4

5:37 pm-8:44 pm

Nonstop3h 07m

Philadelphia

Mon 6/8

11:33 am-7:10 pm

1 stop7h 37m

$497

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 6/4

11:48 am-5:19 pm

1 stop5h 31m

Philadelphia

Mon 6/8

12:07 pm-7:53 pm

1 stop7h 46m

$507
Quickest round-trip

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Wed 5/13

5:42 pm-8:46 pm

Nonstop3h 04m

Philadelphia

Sun 5/17

10:33 am-1:49 pm

Nonstop3h 16m

$511

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Wed 5/13

4:05 pm-12:59 am

1 stop8h 54m

Philadelphia

Sun 5/17

6:10 am-3:07 pm

1 stop8h 57m

$621

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 6/4

2:26 pm-9:45 am

2 stops19h 19m

Philadelphia

Mon 6/8

6:00 am-3:07 pm

1 stop9h 07m

$642
Cheapest one-way

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Wed 5/20

11:46 am-9:25 am

2 stops21h 39m

$127

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Fri 5/8

3:33 pm-3:02 pm

2 stops23h 29m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 17 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 April.
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, June is the cheapest month in which you can book a flight from Key West to Philadelphia (average of $438). 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 April 30, 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 April 30, 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
11,681 reviews

Boarding

7.5

Overall

7.1

Crew

7.9

Food

6.4

Comfort

7.2

Entertainment

6.9

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
11,681 reviews
American Airlines
7.1
Good
11,681 reviews

Boarding

7.5

Overall

7.1

Crew

7.9

Food

6.4

Comfort

7.2

Entertainment

6.9

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.

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

    Airlines like Delta and American Airlines fly from Key West to Philadelphia in about 3h 07m. The time it takes to get you to your destination can typically vary by up to 3h. 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 $423. American Airlines is currently priced 30% 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 (82%), Alaska Airlines (82%), American Airlines (68%).

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

    The cheapest flight price from Key West to Philadelphia is $324. On average you can expect to pay $580. The most popular route, (Key West - Philadelphia), can usually be booked for $253.

  • 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, June is the cheapest month in which you can book a flight from Key West to Philadelphia (average of $438). 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
Lewes
Dewey Beach
Pottstown
Vineland
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Key West to Philadelphia

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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 April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$423Average$551FlexibilityNo cancel feeOn-time71%

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