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Cheap flights from Philadelphia to Key West (PHL - EYW) - Compare and Save

PHL — EYW
May 3 — May 101
Sun 5/3
Sun 5/10
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Key West are usually found in August or July, booked 71 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

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 April 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$281
(Kiwi.com)

One-way from

$86
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$648

Good round-trip deal

$460 or less

Good one-way deal

$383 or less
Provider with most accurate pricing for Philadelphia-Key West flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Key West flights.
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From Philadelphia to Key West
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One-way flight from Philadelphia to Key West
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Highest demand for flights based on searches. 8% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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Price to beat on a round-trip flight from Philadelphia to Key West.
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Price to beat on a one-way flight from Philadelphia to Key West.
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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 April 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/2. 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 5/45:01 am
PHL
-
EYW
1 stop9h 42m
Multiple Airlines
Wed 5/1311:46 am
EYW
-
PHL
2 stops10h 24m
Multiple Airlines
Deal found 4/2$281
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 7/56:18 pm
PHL
-
EYW
1 stop15h 23m
Multiple Airlines
Thu 7/911:04 am
EYW
-
PHL
2 stops13h 40m
Multiple Airlines
Deal found 4/2$282
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 7/26:18 pm
PHL
-
EYW
1 stop15h 23m
Multiple Airlines
Wed 7/811:46 am
EYW
-
PHL
2 stops12h 58m
Multiple Airlines
Deal found 4/2$283
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 7/95:45 am
PHL
-
EYW
2 stops13h 31m
Multiple Airlines
Wed 7/1511:46 am
EYW
-
PHL
1 stop13h 30m
Multiple Airlines
Deal found 4/1$284
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/245:45 am
PHL
-
EYW
1 stop7h 50m
Multiple Airlines
Tue 4/281:01 pm
EYW
-
PHL
2 stops31h 39m
Multiple Airlines
Deal found 4/1$285
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 6/98:35 am
PHL
-
EYW
1 stop26h 31m
Multiple Airlines
Tue 6/161:14 pm
EYW
-
PHL
2 stops9h 15m
Multiple Airlines
Deal found 3/31$286
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/35:55 am
PHL
-
EYW
1 stop9h 47m
Multiple Airlines
Sun 5/1012:05 pm
EYW
-
PHL
2 stops27h 11m
Multiple Airlines
Deal found 3/31$287
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 5/62:55 pm
PHL
-
EYW
2 stops22h 12m
Multiple Airlines
Sat 5/911:54 am
EYW
-
PHL
1 stop9h 34m
Multiple Airlines
Deal found 4/1$288
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 7/56:18 pm
PHL
-
EYW
1 stop15h 23m
Multiple Airlines
Fri 7/101:11 pm
EYW
-
PHL
2 stops11h 33m
Multiple Airlines
Deal found 4/2$289
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/158:13 pm
PHL
-
EYW
1 stop19h 29m
Multiple Airlines
Sun 4/1912:26 pm
EYW
-
PHL
1 stop21h 23m
Multiple Airlines
Deal found 4/1$290
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/96:57 pm
PHL
-
EYW
1 stop17h 29m
Multiple Airlines
Sun 4/124:22 pm
EYW
-
PHL
2 stops18h 31m
Multiple Airlines
Deal found 3/31$291
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 7/236:18 pm
PHL
-
EYW
1 stop15h 23m
Multiple Airlines
Sun 7/268:48 pm
EYW
-
PHL
1 stop12h 03m
Multiple Airlines
Deal found 3/31$292

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 April 3, 2026.
Use the filters below to find and compare flights from Philadelphia to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Tue 5/26

6:35 am-1:00 pm

1 stop6h 25m

Key West

Tue 6/2

7:30 am-3:00 pm

1 stop7h 30m

$443
Quickest round-trip

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 5/16

2:23 pm-7:49 pm

1 stop5h 26m

Key West

Wed 5/20

7:30 am-1:18 pm

1 stop5h 48m

$443

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Tue 5/12

12:07 pm-7:49 pm

1 stop7h 42m

Key West

Tue 5/19

6:19 pm-12:57 am

1 stop6h 38m

$443

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 4/30

5:30 am-10:46 am

1 stop5h 16m

Key West

Tue 5/5

2:40 pm-8:53 pm

1 stop6h 13m

$475

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Fri 4/17

7:45 pm-1:31 pm

2 stops17h 46m

Key West

Tue 4/21

3:52 pm-12:59 am

1 stop9h 07m

$681

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 5/16

7:59 pm-4:02 pm

1 stop20h 03m

Key West

Wed 5/20

2:49 pm-9:45 am

2 stops18h 56m

$734

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 5/16

6:10 am-4:02 pm

2 stops33h 52m

Key West

Wed 5/20

2:49 pm-11:44 pm

2 stops32h 55m

$748

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 4/30

10:00 am-3:07 pm

1 stop29h 07m

Key West

Tue 5/5

4:47 pm-2:16 pm

2 stops21h 29m

$755

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Tue 4/28

7:45 pm-5:39 pm

2 stops21h 54m

Key West

Tue 5/5

4:47 pm-12:20 pm

2 stops19h 33m

$756

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 4/11

6:17 am-2:51 pm

1 stop8h 34m

Key West

Tue 4/14

6:22 pm-12:17 pm

2 stops17h 55m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 24 resultsSorted by cheapest first
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 April.
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 April 2, 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 71 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 $132). Flying from Philadelphia to Key West in August is currently the most expensive (average of $312). 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 April 3, 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.

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

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 April 3, 2026.
Peruse reviews from past customers who have flown with Delta,American Airlines, andSpirit 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
8,374 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

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
8,374 reviews
Delta
7.9
Good
8,374 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

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
7.1
Good
11,552 reviews
Delta
7.9
Good
8,374 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

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
8,578 reviews
Delta
7.9
Good
8,374 reviews

Food

7.2

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.9

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 10m 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 3 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 25m. 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 $157. Other airlines that can offer you cheap pricing are Delta, from $344, 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 (100%), Republic Airways (85%) and Qatar Airways (76%).

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

    On average you can expect to pay $494 for a flight from Philadelphia to Key West. The cheapest flight overall is $276 while the most popular route, (Philadelphia - Key West) is currently priced at $174.

  • 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 $132). Flying from Philadelphia to Key West in August is currently the most expensive (average of $312). 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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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 April 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$157Average$239FlexibilityNo cancel feeOn-time65%
DeltaCheapest$344Average$590FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$423Average$582FlexibilityNo cancel feeOn-time71%

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