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Key West

$86+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — EYW
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find cheap flights from Philadelphia to Key West with Cheapflights

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 January or July, booked 29 days in advance, depart on a Tuesday or Saturday and return on a Friday

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 July 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sun 10/46:00 am
PHL
-
EYW
1 stop5h 21m
Multiple Airlines
Thu 10/812:01 pm
EYW
-
PHL
1 stop12h 37m
Multiple Airlines
Deal found 7/26$172
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/296:40 pm
PHL
-
EYW
1 stop15h 44m
Multiple Airlines
Fri 9/41:11 pm
EYW
-
PHL
2 stops31h 17m
Multiple Airlines
Deal found 7/23$176
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/1212:58 pm
PHL
-
EYW
1 stop22h 23m
Multiple Airlines
Sat 9/1910:04 am
EYW
-
PHL
2 stops8h 11m
Multiple Airlines
Deal found 7/22$180
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/54:45 pm
PHL
-
EYW
2 stops26h 28m
Multiple Airlines
Wed 9/910:04 am
EYW
-
PHL
1 stop9h 20m
Multiple Airlines
Deal found 7/22$181
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 10/39:00 pm
PHL
-
EYW
1 stop14h 21m
Multiple Airlines
Thu 10/812:01 pm
EYW
-
PHL
1 stop12h 37m
Multiple Airlines
Deal found 7/26$183
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Fri 10/26:06 pm
PHL
-
EYW
1 stop15h 18m
Multiple Airlines
Wed 10/710:04 am
EYW
-
PHL
1 stop9h 00m
Multiple Airlines
Deal found 7/25$184
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/612:43 pm
PHL
-
EYW
2 stops20h 41m
Multiple Airlines
Thu 10/1512:01 pm
EYW
-
PHL
1 stop12h 37m
Multiple Airlines
Deal found 7/23$193
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 10/306:27 pm
PHL
-
EYW
1 stop14h 35m
Multiple Airlines
Wed 11/410:04 am
EYW
-
PHL
2 stops13h 07m
Multiple Airlines
Deal found 7/22$195
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Tue 8/186:40 pm
PHL
-
EYW
1 stop16h 26m
Multiple Airlines
Tue 8/251:14 pm
EYW
-
PHL
1 stop12h 02m
Multiple Airlines
Deal found 7/26$196

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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$172
(Kiwi.com)

One-way from

$86
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$527

Good round-trip deal

$474 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. 3% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip 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 July 27, 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

Sat 9/26

6:10 am-2:18 pm

1 stop8h 08m

Key West

Sat 10/3

4:00 pm-2:20 pm

2 stops22h 20m

$760

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sun 10/25

11:20 am-1:52 pm

2 stops26h 32m

Key West

Thu 10/29

2:50 pm-5:42 pm

2 stops26h 52m

$835

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 8/29

3:05 pm-1:29 pm

2 stops22h 24m

Key West

Tue 9/1

2:15 pm-2:21 pm

2 stops24h 06m

$941

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 8/29

12:26 pm-7:57 pm

2 stops7h 31m

Key West

Tue 9/1

11:48 am-7:58 pm

1 stop8h 10m

$1,079

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 9/5

12:26 pm-7:57 pm

2 stops7h 31m

Key West

Wed 9/30

2:00 pm-8:25 pm

1 stop6h 25m

$1,079

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Fri 9/11

12:06 pm-5:23 pm

1 stop5h 17m

Key West

Mon 9/14

11:42 am-11:12 pm

2 stops11h 30m

$1,094
Quickest round-trip

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 9/17

12:29 pm-8:00 pm

2 stops7h 31m

Key West

Sun 9/20

6:19 pm-12:40 am

1 stop6h 21m

$1,136

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sun 8/30

6:25 am-1:29 pm

2 stops31h 04m

Key West

Wed 9/2

2:15 pm-12:23 pm

2 stops22h 08m

$1,141

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 8/13

6:15 am-10:50 am

1 stop4h 35m

Key West

Thu 8/20

1:59 pm-11:26 pm

2 stops9h 27m

$1,146
Cheapest one-way

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Wed 8/19

4:45 pm-7:13 pm

2 stops26h 28m

$96

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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?

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 28 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, January is the cheapest month in which you can book a flight from Philadelphia to Key West (average of $512). Flying from Philadelphia to Key West in April is currently the most expensive (average of $644). 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 July 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.

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

Airfare is below average for this route at the moment.

Philadelphia to Key West flights typically cost between $447 and $667 in October.
The cheapest round-trip price found within the last 5 days was $172 on Multiple Airlines (Oct 4-Oct 8).

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 July 27, 2026.
Peruse reviews from past customers who have flown with Delta 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.
Delta
7.8
Good
8,482 reviews

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.8
Good
8,482 reviews
Delta
7.8
Good
8,482 reviews

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
American Airlines
7.1
Good
11,836 reviews
Delta
7.8
Good
8,482 reviews

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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 are 2 flights from Philadelphia to Key West per day from 2 airlines.

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

    The Philadelphia to Key West flight path was viewed by 6 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 7h 31m. 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 $402. Another airline that can offer you cheap pricing is American Airlines. Delta is 30% cheaper than the average price of flights available within the next 90 days to this destination.

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

    On average you can expect to pay $543 for a flight from Philadelphia to Key West. The cheapest flight overall is $443 while the most popular route, (Philadelphia - Key West) is currently priced at $201.

  • 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, January is the cheapest month in which you can book a flight from Philadelphia to Key West (average of $512). Flying from Philadelphia to Key West in April is currently the most expensive (average of $644). 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 2 airlines flying from Philadelphia to Key West

Discover the top 2 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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$402Average$596FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$423Average$594FlexibilityNo cancel feeOn-time71%

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