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Cheap flights from Key West to Philadelphia from $148

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Philadelphia departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Key West to Philadelphia

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Key West to Philadelphia.
American Airlines Logo
4:56 pm - 7:58 pmEYW-PHL
3h 02mnonstop
American Airlines Logo
6:08 am - 12:00 pmPHL-EYW
5h 52m1 stop
$433American Airlines
Find Deal
Tue, Jul 15 - Sat, Jul 19
Delta Logo
6:00 pm - 12:27 amEYW-PHL
6h 27m1 stop
Delta Logo
2:40 pm - 7:46 pmPHL-EYW
5h 06m1 stop
$443Delta
Find Deal
Tue, Jul 15 - Sat, Jul 19
American Airlines Logo
4:54 pm - 8:00 pmEYW-PHL
3h 06mnonstop
American Airlines Logo
10:44 am - 1:48 pmPHL-EYW
3h 04mnonstop
$453American Airlines
Find Deal
Thu, Jun 12 - Mon, Jun 16
 Logo
5:39 pm - 12:09 amEYW-PHL
30h 30m2 stops
 Logo
6:00 am - 4:16 pmPHL-EYW
10h 16m2 stops
Sun, May 4 - Mon, May 12
American Airlines Logo
4:54 pm - 8:00 pmEYW-PHL
3h 06mnonstop
American Airlines Logo
8:20 am - 2:08 pmPHL-EYW
5h 48m1 stop
$463American Airlines
Find Deal
Thu, Jun 12 - Mon, Jun 16
American Airlines Logo
7:32 pm - 11:58 pmEYW-PHL
4h 26m1 stop
American Airlines Logo
8:20 am - 12:54 pmPHL-EYW
4h 34m1 stop
$473American Airlines
Find Deal
Thu, Jun 12 - Mon, Jun 16
American Airlines Logo
4:56 pm - 7:58 pmEYW-PHL
3h 02mnonstop
American Airlines Logo
10:40 am - 1:50 pmPHL-EYW
3h 10mnonstop
$486American Airlines
Find Deal
Tue, Jul 15 - Sat, Jul 19
 Logo
4:24 pm - 12:09 amEYW-PHL
31h 45m3 stops
 Logo
6:00 am - 4:16 pmPHL-EYW
10h 16m2 stops
Sun, May 4 - Mon, May 12
United Airlines Logo
8:45 am - 2:08 pmEYW-PHL
29h 23m2 stops
United Airlines Logo
12:19 pm - 6:05 pmPHL-EYW
29h 46m2 stops
$496United Airlines
Find Deal
Tue, Jul 15 - Sat, Jul 19
United Airlines Logo
6:45 pm - 2:18 pmEYW-PHL
19h 33m2 stops
United Airlines Logo
6:41 am - 12:15 pmPHL-EYW
29h 34m2 stops
$552United Airlines
Find Deal
Wed, Apr 16 - Sun, Apr 20

American Airlines flights from Key West to Philadelphia

Our best American Airlines deals on Key West to Philadelphia flight tickets
American Airlines
Jul 15
EYW4:56 pmKey West
3h 02m
PHL7:58 pmPhiladelphia
Jul 19
PHL6:08 amPhiladelphia
5h 52m
1 stop
EYW12:00 pmKey West
American Airlines
Jun 12
EYW4:54 pmKey West
3h 06m
PHL8:00 pmPhiladelphia
Jun 16
PHL10:44 amPhiladelphia
3h 04m
EYW1:48 pmKey West
American Airlines
Jun 12
EYW4:54 pmKey West
3h 06m
PHL8:00 pmPhiladelphia
Jun 16
PHL8:20 amPhiladelphia
5h 48m
1 stop
EYW2:08 pmKey West

Delta flights from Key West to Philadelphia

Our best Delta deals on Key West to Philadelphia flight tickets
Delta
Jul 15
EYW6:00 pmKey West
6h 27m
1 stop
PHL12:27 amPhiladelphia
Jul 19
PHL2:40 pmPhiladelphia
5h 06m
1 stop
EYW7:46 pmKey West
Delta
Jun 22
EYW6:29 pmKey West
6h 28m
1 stop
PHL12:57 amPhiladelphia
Jun 24
PHL5:30 amPhiladelphia
5h 23m
1 stop
EYW10:53 amKey West
Delta
Jul 15
EYW6:00 pmKey West
6h 27m
1 stop
PHL12:27 amPhiladelphia
Jul 19
PHL9:42 amPhiladelphia
10h 04m
2 stops
EYW7:46 pmKey West

See travel insights to Philadelphia from

How to get the cheapest flight ticket from Key West to Philadelphia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Key West is in November. Flight prices, which tend to average around $365, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Philadelphia, with average flight prices from Key West averaging around $398.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Key West to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $339. On the other hand, Tuesday is the most expensive day to depart from Key West because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $635.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the afternoon. momondo users have found flights departing from Key West to Philadelphia in the afternoon for as low as $398. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $526.

What is the cheapest Key West to Philadelphia flight route?

Fly from Key West to Philadelphia for the best Key West - Philadelphia flight prices

What cabin class options are available on Key West to Philadelphia flights?

There are 1 cabin classes available to choose from on Key West to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Key West to Philadelphia flight prices changed over time?

As of April 2025, prices for Key West to Philadelphia flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from Key West to Philadelphia

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Key West to Philadelphia (EYW to PHL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Key West to Philadelphia

Best Price Found

$148

Fastest flight time

2h 57m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Key West in the past 72 hours is $148. The best round-trip flight deal from Key West to Philadelphia found on momondo in the last 72 hours is $433.
The fastest flight from Key West to Philadelphia takes 2h 57m
Direct flights go from Key West to Philadelphia on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. The only airline offering direct flights is American Airlines.
There is 1 airport near Philadelphia: Philadelphia (PHL)

  • How far is Key West to Philadelphia by plane?

    The straight-line distance from Key West to Philadelphia is 1131.0 mi. A reasonable flight in good conditions will take 3h 02m.

  • When did momondo last update prices for flights from Key West Airport to Philadelphia Airport?

    Prices for flights from Key West Airport to Philadelphia Airport refresh daily.

  • How many operators does momondo search for flights from Key West Airport to Philadelphia Airport?

  • How old do you have to be to fly from Key West Airport to Philadelphia Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Key West Airport to Philadelphia Airport.

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Key West to Philadelphia?

  • What is the most popular airline from Key West to Philadelphia?


Best airlines flying from Key West to Philadelphia

Compare and see reviews for airlines that fly from Key West to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $358Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • American Airlines Flights From Key West to Philadelphia

    American Airlines is one of the most popular airlines flying from Key West to Philadelphia, operating 3 flights/week on average for this route. A good American Airlines flight deal for Key West to Philadelphia starts from $358 round-trip, up to an average price of $498. Our users have rated American Airlines at 7.2/10.


Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Rehoboth Beach
Cape May
Ocean City
Wildwood Crest
Reading
King of Prussia
Newark
Dover
North Wildwood
Cherry Hill
Dewey Beach
Lewes
Exton
Vineland
Essington
Pottstown
New Castle
Avalon
West Chester

Why use momondo?

Why should I use momondo to find a flight deal from Key West to Philadelphia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Key West to Philadelphia for you.

Can I find flights from Key West to Philadelphia with flexible booking policies on momondo?

Flights from Key West to Philadelphia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Key West to Philadelphia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Key West to Philadelphia.

I’m not ready to book a flight from Key West to Philadelphia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Philadelphia from Key West. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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