HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$95+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — EYW
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Key West 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.
Cheapflights Tip: The best prices from Philadelphia to Key West are usually found in August or July, booked 80 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

Cheap 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 January 27, 2026.

This Priceline deal was found by Cheapflights users on 1/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:00 am
PHL
-
EYW
1 stop7h 30m
Spirit Airlines
Fri 2/272:25 pm
EYW
-
PHL
1 stop5h 27m
Spirit Airlines
Deal found 1/25$169
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/235:05 am
PHL
-
EYW
1 stop7h 21m
Multiple Airlines
Fri 2/271:06 pm
EYW
-
PHL
1 stop20h 00m
Multiple Airlines
Deal found 1/26$183
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Sat 2/2110:59 pm
PHL
-
EYW
1 stop10h 07m
Multiple Airlines
Thu 2/269:46 am
EYW
-
PHL
1 stop10h 03m
Multiple Airlines
Deal found 1/26$186
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Wed 3/47:46 pm
PHL
-
EYW
1 stop13h 20m
Multiple Airlines
Wed 3/1111:51 am
EYW
-
PHL
1 stop7h 51m
Multiple Airlines
Deal found 1/26$187
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Sun 3/110:59 pm
PHL
-
EYW
1 stop13h 27m
Multiple Airlines
Thu 3/59:46 am
EYW
-
PHL
1 stop21h 46m
Multiple Airlines
Deal found 1/25$190
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Sun 2/2210:59 pm
PHL
-
EYW
1 stop13h 27m
Multiple Airlines
Fri 2/271:06 pm
EYW
-
PHL
1 stop20h 00m
Multiple Airlines
Deal found 1/25$191
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 3/25:05 am
PHL
-
EYW
1 stop7h 21m
Multiple Airlines
Fri 3/61:06 pm
EYW
-
PHL
1 stop18h 30m
Multiple Airlines
Deal found 1/25$192
This Priceline deal was found by Cheapflights users on 1/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/16:00 am
PHL
-
EYW
1 stop7h 30m
Spirit Airlines
Thu 3/52:25 pm
EYW
-
PHL
1 stop5h 27m
Spirit Airlines
Deal found 1/25$193
This Priceline deal was found by Cheapflights users on 1/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/86:00 am
PHL
-
EYW
1 stop5h 56m
Spirit Airlines
Thu 2/192:25 pm
EYW
-
PHL
1 stop5h 27m
Spirit Airlines
Deal found 1/25$194
This Priceline deal was found by Cheapflights users on 1/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:20 am
PHL
-
EYW
1 stop5h 10m
Spirit Airlines
Thu 2/122:25 pm
EYW
-
PHL
1 stop5h 27m
Spirit Airlines
Deal found 1/26$195
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/166:00 am
PHL
-
EYW
1 stop7h 30m
Multiple Airlines
Thu 2/269:46 am
EYW
-
PHL
1 stop10h 03m
Multiple Airlines
Deal found 1/26$197
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 3/25:30 am
PHL
-
EYW
1 stop6h 56m
Multiple Airlines
Wed 3/1111:51 am
EYW
-
PHL
1 stop7h 51m
Multiple Airlines
Deal found 1/26$198

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$169
(Priceline)

One-way from

$95
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$540

Good round-trip deal

$506 or less

Good one-way deal

$270 or less
Provider with most accurate pricing for Philadelphia-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Key West flights.
Search Deals
From Philadelphia to Key West
Search Deals
One-way flight from Philadelphia to Key West
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Philadelphia to Key West.
Search Deals
Price to beat on a one-way flight from Philadelphia to Key West.
Search Deals

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 January 27, 2026.
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

Wed 3/11

12:59 pm-7:41 pm

1 stop6h 42m

Key West

Tue 3/17

11:43 am-6:29 pm

1 stop6h 46m

$403

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Wed 4/22

5:44 am-1:44 pm

1 stop8h 00m

Key West

Sat 4/25

6:18 pm-12:59 am

1 stop6h 41m

$431

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 4/18

5:44 am-10:50 am

1 stop5h 06m

Key West

Sat 4/25

6:18 pm-12:59 am

1 stop6h 41m

$431

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Tue 2/17

8:02 pm-5:54 pm

2 stops21h 52m

Key West

Wed 2/25

6:35 pm-2:10 pm

1 stop19h 35m

$447

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Fri 7/17

6:10 am-3:06 pm

1 stop8h 56m

Key West

Sun 7/19

4:05 pm-12:32 am

1 stop8h 27m

$467

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Fri 7/3

1:00 pm-10:11 pm

1 stop9h 11m

Key West

Fri 7/24

4:05 pm-12:32 am

1 stop8h 27m

$467

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sun 2/15

12:55 pm-10:09 pm

1 stop9h 14m

Key West

Tue 2/24

6:35 pm-2:10 pm

1 stop19h 35m

$482

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Fri 2/13

12:55 pm-10:09 pm

1 stop9h 14m

Key West

Wed 2/18

6:35 pm-2:10 pm

1 stop19h 35m

$490

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sun 2/8

11:47 am-7:40 pm

1 stop7h 53m

Key West

Sat 2/14

2:46 pm-7:50 pm

1 stop5h 04m

$491

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Fri 2/20

8:02 pm-4:37 pm

1 stop20h 35m

Key West

Tue 2/24

6:35 pm-9:48 am

1 stop15h 13m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 22 results
1
2
3

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Key West flight deals on Cheapflights vs. FlightHub >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 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 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 January 23, 2026.

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 66 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 $134). 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 January 27, 2026.

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 January 27, 2026.
Peruse reviews from past customers who have flown with Delta, American Airlines, and Spirit 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.
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
Delta
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
American Airlines
7.2
Good
11,197 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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.
Spirit Airlines
6.3
Okay
8,384 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

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 12m for a nonstop flight. There is 1 flight from Philadelphia to Key West per day from 3 airlines.

  • How popular is this Philadelphia to Key West flight route?

    The Philadelphia to Key West flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Departing from Philadelphia to Key West will take you 6h 42m. There are 1123 mi between Philadelphia and Key West. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $155. Other airlines that can offer you cheap pricing are Delta, from $268, and American Airlines, from $423. Spirit Airlines is 72% 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 Alaska Airlines (88%), American Airlines (87%) and Republic Airways (85%).

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

    On average you can expect to pay $541 for a flight from Philadelphia to Key West. The cheapest flight overall is $234 while the most popular route, (Philadelphia - Key West) is currently priced at $183.

  • 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 $134). 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

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 Philadelphia to Key West

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

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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$155Average$199FlexibilityNo cancel feeOn-time65%
DeltaCheapest$268Average$590FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$423Average$583FlexibilityNo 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.