Key West

$93+ Cheap flights from Philadelphia to Key West (PHL - EYW)

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — EYW
Nov 28 — Dec 51
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Philadelphia to Key West are usually found in August or July, booked 74 days in advance, depart on a Tuesday or Saturday and return on a Friday

Find flight deals from Philadelphia to Key West

Cheapest flights from Philadelphia to Key West
Explore the most affordable flight options available from Philadelphia to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 12/610:00 pmPHL - EYW
1 stop17h 44mMultiple Airlines
Sat 12/132:30 pmEYW - PHL
1 stop10h 06mMultiple Airlines
Deal found 10/29$192
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/268:00 amPHL - EYW
1 stop27h 20mMultiple Airlines
Wed 12/310:47 amEYW - PHL
1 stop24h 57mMultiple Airlines
Deal found 10/27$201
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/173:59 pmPHL - EYW
1 stop19h 06mMultiple Airlines
Sat 11/222:24 pmEYW - PHL
1 stop9h 01mMultiple Airlines
Deal found 10/27$203
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/173:59 pmPHL - EYW
1 stop19h 06mMultiple Airlines
Thu 11/2012:15 pmEYW - PHL
1 stop11h 10mMultiple Airlines
Deal found 10/27$207
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Sat 11/157:38 pmPHL - EYW
1 stop14h 41mMultiple Airlines
Tue 11/1811:45 amEYW - PHL
1 stop22h 49mMultiple Airlines
Deal found 10/28$208
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/136:15 amPHL - EYW
1 stop14h 31mMultiple Airlines
Mon 11/179:57 amEYW - PHL
1 stop24h 37mMultiple Airlines
Deal found 10/28$209
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/165:05 amPHL - EYW
1 stop15h 41mMultiple Airlines
Sat 11/222:24 pmEYW - PHL
1 stop9h 01mMultiple Airlines
Deal found 10/27$212
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 11/612:39 pmPHL - EYW
1 stop20h 41mMultiple Airlines
Thu 11/139:36 pmEYW - PHL
1 stop9h 54mMultiple Airlines
Deal found 10/27$214
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/105:59 pmPHL - EYW
1 stop17h 06mMultiple Airlines
Mon 11/179:57 amEYW - PHL
1 stop24h 37mMultiple Airlines
Deal found 10/27$215
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/174:00 pmPHL - EYW
1 stop19h 20mMultiple Airlines
Wed 12/247:47 amEYW - PHL
1 stop9h 35mMultiple Airlines
Deal found 10/29$216
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/196:15 amPHL - EYW
1 stop26h 00mMultiple Airlines
Mon 11/248:55 amEYW - PHL
1 stop15h 44mMultiple Airlines
Deal found 10/28$217

Cheap flight deals from Philadelphia to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Key West (EYW). 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$170
(Kiwi.com)

One-way from

$93
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$566

Good round-trip deal

$503 or less

Good one-way deal

$411 or less
Provider with most accurate pricing for Philadelphia-Key West flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Key West flights.
From Philadelphia to Key West
One-way flight from Philadelphia to Key West
Highest demand for flights based on searches. 5% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Philadelphia to Key West.
Price to beat on a one-way flight from Philadelphia to Key West.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Key West 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 October 29, 2025.
Use the filters below to find and compare flights from Philadelphia to Key West that are best for you.

Fly from

Philadelphia

Fly to

Key West

Route

Depart

Return

Price

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 12/13

2:24 pm-8:06 pm

1 stop5h 42m

Key West

Wed 12/17

12:38 pm-6:12 pm

1 stop5h 34m

$443

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Tue 12/16

2:24 pm-8:06 pm

1 stop5h 42m

Key West

Sat 12/20

6:20 pm-12:27 am

1 stop6h 07m

$443

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Fri 1/16

12:11 pm-7:42 pm

1 stop7h 31m

Key West

Tue 1/20

6:08 pm-12:23 am

1 stop6h 15m

$463

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Tue 12/30

1:47 pm-8:58 pm

1 stop7h 11m

Key West

Thu 1/8

6:08 pm-12:23 am

1 stop6h 15m

$463

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Fri 12/12

2:24 pm-8:06 pm

1 stop5h 42m

Key West

Tue 12/16

7:40 am-1:19 pm

1 stop5h 39m

$463

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 12/18

12:37 pm-8:06 pm

1 stop7h 29m

Key West

Sun 12/21

4:25 pm-12:27 am

1 stop8h 02m

$468

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 12/20

7:00 am-8:58 pm

1 stop13h 58m

Key West

Wed 12/24

4:25 pm-10:50 pm

1 stop6h 25m

$474

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 12/18

10:32 am-5:15 pm

1 stop6h 43m

Key West

Mon 12/22

7:25 am-12:42 pm

1 stop5h 17m

$483

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Mon 12/1

12:37 pm-7:53 pm

1 stop7h 16m

Key West

Fri 12/5

6:10 pm-8:50 am

2 stops14h 40m

$489

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Tue 11/18

8:00 pm-2:04 pm

3 stops18h 04m

Key West

Sat 11/22

3:00 pm-7:05 pm

2 stops28h 05m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 21 results
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Compare providers for flights from Philadelphia to Key West

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 Philadelphia to Key West in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Philadelphia-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Key West flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Key West flights, Cheapflights users trust eDreams the most. eDreams 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 Philadelphia-Key West 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 Philadelphia to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Philadelphia 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 Philadelphia to Key West

How far ahead should I book a flight from Philadelphia to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Key West. Price data was last updated on October 24, 2025.

The price you pay for your flight from Philadelphia to Key West may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Philadelphia to Key West (average of $155). Flying from Philadelphia to Key West in August is currently the most expensive (average of $306). 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 PHL to EYW?

Find hourly flight availability from Philadelphia to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Key West as you normally would.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated October 29, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Philadelphia to Key West to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Key West. 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 Philadelphia to Key West?

    If you book a flight from Philadelphia to Key West, you will be flying from Philadelphia to Key West. Flights to Key West (EYW) from Philadelphia (PHL) take 3h 07m for a nonstop flight. There is 1 flight from Philadelphia to Key West per day from 3 airlines.

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

    Departing from Philadelphia to Key West will take you 5h 42m. There are 1123 mi between Philadelphia and Key West.

  • What are the cheapest airlines flying from Philadelphia to Key West round-trip?

    Cheapflights users have booked flights from Philadelphia to Key West round-trip from $268. Other airlines that can offer you cheap pricing are United Airlines, from $390, and American Airlines, from $423. Delta is 51% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The top 3 most reliable airlines when flying from Philadelphia to Key West are Republic Airways (100%), Alaska Airlines (88%) and American Airlines (84%).

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

    On average you can expect to pay $647 for a flight from Philadelphia to Key West. The cheapest flight overall is $292 while the most popular route, (Philadelphia - Key West) is currently priced at $185.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Key West 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 Philadelphia to Key West?

    Currently, May is the cheapest month in which you can book a flight from Philadelphia to Key West (average of $155). Flying from Philadelphia to Key West in August is currently the most expensive (average of $306). 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

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Alternative routes for Philadelphia to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Philadelphia to Key West

Discover the top 3 airlines that operate flights from Philadelphia to Key West. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$544FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$390Average$452FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$423Average$567FlexibilityNo cancel feeOn-time71%

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