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Cheap flights from Key West to Philadelphia from $93

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 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
10:47 am - 11:47 amEYW-PHL
25h 00m1 stop
Multiple Airlines Logo
9:08 pm - 8:15 amPHL-EYW
11h 07m1 stop
$234Multiple Airlines
Find Deal
Wed, Nov 5 - Sat, Nov 8
Multiple Airlines Logo
8:55 am - 12:53 pmEYW-PHL
27h 58m1 stop
Multiple Airlines Logo
4:19 pm - 9:02 amPHL-EYW
16h 43m1 stop
$247Multiple Airlines
Find Deal
Mon, Oct 20 - Fri, Oct 24
Multiple Airlines Logo
10:47 am - 6:38 pmEYW-PHL
7h 51m1 stop
Multiple Airlines Logo
9:08 pm - 8:15 amPHL-EYW
11h 07m1 stop
$249Multiple Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
3:56 pm - 10:34 amEYW-PHL
18h 38m1 stop
Multiple Airlines Logo
5:05 am - 8:15 amPHL-EYW
51h 10m2 stops
$256Multiple Airlines
Find Deal
Mon, Oct 20 - Fri, Oct 24
American Airlines Logo
4:58 pm - 8:00 pmEYW-PHL
3h 02mnonstop
American Airlines Logo
8:39 am - 4:13 pmPHL-EYW
7h 34m1 stop
$433American Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
American Airlines Logo
1:38 pm - 7:21 amEYW-PHL
17h 43m1 stop
American Airlines Logo
6:45 pm - 12:58 pmPHL-EYW
18h 13m1 stop
$447American Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Delta Logo
7:00 am - 12:03 pmEYW-PHL
5h 03m1 stop
Delta Logo
6:55 am - 1:12 pmPHL-EYW
6h 17m1 stop
$483Delta
Find Deal
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
4:00 pm - 11:03 pmEYW-PHL
7h 03m1 stop
United Airlines Logo
8:00 pm - 2:06 pmPHL-EYW
18h 06m2 stops
$535United Airlines
Find Deal
Tue, Nov 25 - Mon, Dec 1
United Airlines Logo
3:00 pm - 10:46 amEYW-PHL
19h 46m2 stops
United Airlines Logo
10:22 am - 1:46 pmPHL-EYW
27h 24m2 stops
$548United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Delta Logo
6:17 pm - 12:52 amEYW-PHL
6h 35m1 stop
Delta Logo
9:46 am - 8:06 pmPHL-EYW
10h 20m2 stops
$931Delta
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Sat, Oct 18 - Sat, Oct 25

United Airlines flights from Key West to Philadelphia

Our best United Airlines deals on Key West to Philadelphia flight tickets
United Airlines
Nov 25
EYW4:00 pmKey West
7h 03m
1 stop
PHL11:03 pmPhiladelphia
Dec 1
PHL8:00 pmPhiladelphia
18h 06m
2 stops
EYW2:06 pmKey West
$535
Find similar
United Airlines
Nov 1
EYW3:00 pmKey West
19h 46m
2 stops
PHL10:46 amPhiladelphia
Nov 8
PHL10:22 amPhiladelphia
27h 24m
2 stops
EYW1:46 pmKey West
$548
Find similar
United Airlines
Nov 1
EYW3:00 pmKey West
19h 46m
2 stops
PHL10:46 amPhiladelphia
Nov 8
PHL8:00 pmPhiladelphia
17h 46m
3 stops
EYW1:46 pmKey West
$591
Find similar

American Airlines flights from Key West to Philadelphia

Our best American Airlines deals on Key West to Philadelphia flight tickets
American Airlines
Nov 1
EYW4:58 pmKey West
3h 02m
PHL8:00 pmPhiladelphia
Nov 8
PHL8:39 amPhiladelphia
7h 34m
1 stop
EYW4:13 pmKey West
$433
Find similar
American Airlines
Oct 22
EYW1:38 pmKey West
17h 43m
1 stop
PHL7:21 amPhiladelphia
Oct 29
PHL6:45 pmPhiladelphia
18h 13m
1 stop
EYW12:58 pmKey West
$447
Find similar
American Airlines
Oct 18
EYW5:10 pmKey West
14h 11m
1 stop
PHL7:21 amPhiladelphia
Oct 25
PHL6:45 pmPhiladelphia
18h 13m
1 stop
EYW12:58 pmKey West
$467
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Key West to Philadelphia 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, momondo users made 832,500 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Key West to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Wed 11/5

10:47 am-11:47 am

1 stop25h 00m

Philadelphia

Sat 11/8

9:08 pm-8:15 am

1 stop11h 07m

$234

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Mon 10/20

8:55 am-12:53 pm

1 stop27h 58m

Philadelphia

Fri 10/24

4:19 pm-9:02 am

1 stop16h 43m

$247

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Sat 11/1

10:47 am-6:38 pm

1 stop7h 51m

Philadelphia

Sat 11/8

9:08 pm-8:15 am

1 stop11h 07m

$249

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Mon 10/20

3:56 pm-10:34 am

1 stop18h 38m

Philadelphia

Fri 10/24

5:05 am-8:15 am

2 stops51h 10m

$256

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Sat 11/1

4:58 pm-8:00 pm

Nonstop3h 02m

Philadelphia

Sat 11/8

8:39 am-4:13 pm

1 stop7h 34m

$433

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Wed 10/22

1:38 pm-7:21 am

1 stop17h 43m

Philadelphia

Wed 10/29

6:45 pm-12:58 pm

1 stop18h 13m

$447

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Thu 2/26

7:00 am-12:03 pm

1 stop5h 03m

Philadelphia

Mon 3/2

6:55 am-1:12 pm

1 stop6h 17m

$483

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Tue 11/25

4:00 pm-11:03 pm

1 stop7h 03m

Philadelphia

Mon 12/1

8:00 pm-2:06 pm

2 stops18h 06m

$535

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Sat 11/1

3:00 pm-10:46 am

2 stops19h 46m

Philadelphia

Sat 11/8

10:22 am-1:46 pm

2 stops27h 24m

$548

Key WestPhiladelphia

EYW - PHL

EYWPHL

Key West

Sat 10/18

6:17 pm-12:52 am

1 stop6h 35m

Philadelphia

Sat 10/25

9:46 am-8:06 pm

2 stops10h 20m

$931

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Key West and Philadelphia?

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Key West is in June. Flight prices, which tend to average around $438, are often lower during this time because this is during the off-season. The month of August is another great option to travel to Philadelphia, with average flight prices from Key West averaging around $444.

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 $358. On the other hand, Monday 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 $540.

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 $426. 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 $559.

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 3 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.

Can stopping save me money on Key West to Philadelphia flights?

You could potentially save up to 2% on your flight if you consider stops on a Key West to Philadelphia flight.

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

As of October 2025, prices for Key West to Philadelphia flights are approximately 61% 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

$284

Fastest flight time

2h 58m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Key West in the past 72 hours is $284. The best round-trip flight deal from Key West to Philadelphia found on momondo in the last 72 hours is $427.
The fastest flight from Key West to Philadelphia takes 2h 58m
Direct flights go from Key West to Philadelphia every day.
There is 1 airport near Philadelphia: Philadelphia (PHL)
Search flight deals

  • 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 $526. 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
Cape May
Rehoboth Beach
Ocean City
Wildwood Crest
King of Prussia
Dewey Beach
Reading
Cherry Hill
Newark
North Wildwood
Dover
Avalon
Lewes
Stone Harbor
Vineland
Essington
Pottstown
New Castle
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.

An easier way to manage your Philadelphia trip

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