Which airport is the most popular layover for flights between Philadelphia and Key West?

Atlanta (ATL) was the most common stop: 80% of momondo users choosing 1-stop flights on this route connected there.

How many flights depart from Philadelphia to Key West on average per day?

As of May 2026, there are 2 flights per day flying from Philadelphia to Key West. The most common time of day flights depart is 10:00AM, with 100% of flights taking off at noon.

Which layover airport has the shortest connection time from Philadelphia to Key West?

Charlotte (CLT) has the shortest average layover time for this route: 0h 48m.

What is the cheapest airline that flies from Philadelphia to Key West?

Allegiant Air is the most popular carrier operating from Philadelphia to Key West

How many flights depart from Philadelphia to Key West on average per week?

As of May 2026, 14 flights take off from Philadelphia and land in Key West each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Which layover airport offers the lowest fares from Philadelphia to Key West?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $613.

Which layover airport has the shortest travel time from Philadelphia to Key West?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 5h 10m.

What airlines fly to Key West?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Key West from Philadelphia according to our data. American Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Philadelphia Airport to Key West Airport were last updated today.

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

The number of operators available for flights from Philadelphia Airport to Key West Airport is 3 as of May 2026.

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

What documentation or ID do you need to fly to Key West Airport?

The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$90 Cheap Flights from Philadelphia to Key West in 2026

Q: What is the typical price of a round-trip flight between Philadelphia and Key West?

Prices are currently low for flights on this route. Typical prices usually range from $629 to $482. The lowest price recently found on this route was $179.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Philadelphia to Key West

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:31 pm - 10:24 am

PHL

EYW

15h 53m

1 stop

1:11 pm - 1:16 am

EYW

PHL

12h 05m

1 stop

$179Multiple Airlines

Sat, Aug 22 - Fri, Aug 28

8:43 pm - 10:24 am

PHL

EYW

13h 41m

1 stop

11:46 am - 1:17 am

EYW

PHL

13h 31m

1 stop

$180Multiple Airlines

Sat, Jun 6 - Wed, Jun 10

8:43 pm - 10:24 am

PHL

EYW

13h 41m

1 stop

11:46 am - 1:17 am

EYW

PHL

13h 31m

1 stop

$182Multiple Airlines

Sat, Jun 6 - Wed, Jun 10

8:43 pm - 10:24 am

PHL

EYW

13h 41m

1 stop

11:46 am - 1:17 am

EYW

PHL

13h 31m

1 stop

$194Multiple Airlines

Sat, Jun 6 - Wed, Jun 10

6:27 pm - 8:11 am

PHL

EYW

13h 44m

1 stop

11:46 am - 1:17 am

EYW

PHL

13h 31m

1 stop

$196Multiple Airlines

Thu, Jun 4 - Wed, Jun 10

5:36 pm - 9:41 am

PHL

EYW

16h 05m

1 stop

11:04 am - 1:16 am

EYW

PHL

14h 12m

1 stop

$200Multiple Airlines

Sun, Aug 16 - Thu, Aug 20

8:43 pm - 10:24 am

PHL

EYW

13h 41m

1 stop

11:46 am - 1:17 am

EYW

PHL

13h 31m

1 stop

$209Multiple Airlines

Sat, Jun 6 - Wed, Jun 10

6:27 pm - 9:41 am

PHL

EYW

15h 14m

1 stop

2:48 pm - 1:17 am

EYW

PHL

10h 29m

1 stop

$210Multiple Airlines

Thu, Jun 11 - Sat, Jun 13

6:26 pm - 8:11 am

PHL

EYW

13h 45m

1 stop

11:46 am - 1:17 am

EYW

PHL

13h 31m

1 stop

$211Multiple Airlines

Sun, Jun 7 - Wed, Jun 10

8:35 am - 7:13 pm

PHL

EYW

10h 38m

1 stop

11:04 am - 1:16 am

EYW

PHL

14h 12m

1 stop

$213Multiple Airlines

Thu, Aug 20 - Thu, Aug 27

American Airlines flights from Philadelphia to Key West

Our best American Airlines deals on Philadelphia to Key West flight tickets

American Airlines

May 16

PHL6:05 amPhiladelphia

7h 16m

1 stop

EYW1:21 pmKey West

May 19

EYW5:42 pmKey West

3h 04m

PHL8:46 pmPhiladelphia

$515

American Airlines

May 16

PHL5:35 pmPhiladelphia

5h 01m

1 stop

EYW10:36 pmKey West

May 19

EYW5:42 pmKey West

3h 04m

PHL8:46 pmPhiladelphia

$535

Delta flights from Philadelphia to Key West

Our best Delta deals on Philadelphia to Key West flight tickets

Delta

May 16

PHL5:17 amPhiladelphia

5h 36m

1 stop

EYW10:53 amKey West

May 19

EYW7:30 amKey West

7h 30m

1 stop

PHL3:00 pmPhiladelphia

$525

Delta

May 14

PHL5:17 amPhiladelphia

5h 36m

1 stop

EYW10:53 amKey West

May 16

EYW6:19 pmKey West

6h 38m

1 stop

PHL12:57 amPhiladelphia

$561

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 8/22

6:31 pm-10:24 am

1 stop15h 53m

Key West

Fri 8/28

1:11 pm-1:16 am

1 stop12h 05m

$179

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 6/6

8:43 pm-10:24 am

1 stop13h 41m

Key West

Wed 6/10

11:46 am-1:17 am

1 stop13h 31m

$180

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 6/6

8:43 pm-10:24 am

1 stop13h 41m

Key West

Wed 6/10

11:46 am-1:17 am

1 stop13h 31m

$182

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 6/6

8:43 pm-10:24 am

1 stop13h 41m

Key West

Wed 6/10

11:46 am-1:17 am

1 stop13h 31m

$194

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 6/4

6:27 pm-8:11 am

1 stop13h 44m

Key West

Wed 6/10

11:46 am-1:17 am

1 stop13h 31m

$196

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sun 8/16

5:36 pm-9:41 am

1 stop16h 05m

Key West

Thu 8/20

11:04 am-1:16 am

1 stop14h 12m

$200

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sat 6/6

8:43 pm-10:24 am

1 stop13h 41m

Key West

Wed 6/10

11:46 am-1:17 am

1 stop13h 31m

$209

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 6/11

6:27 pm-9:41 am

1 stop15h 14m

Key West

Sat 6/13

2:48 pm-1:17 am

1 stop10h 29m

$210

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Sun 6/7

6:26 pm-8:11 am

1 stop13h 45m

Key West

Wed 6/10

11:46 am-1:17 am

1 stop13h 31m

$211

Quickest round-trip

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 8/20

8:35 am-7:13 pm

1 stop10h 38m

Key West

Thu 8/27

11:04 am-1:16 am

1 stop14h 12m

$213

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Philadelphia and Key West?

What is the cheapest month to fly to Key West?

In general, August is the cheapest month to fly from Philadelphia to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $473. If you are unable to visit Key West during the month of August, then departing from Philadelphia during the month September is also very affordable. Most momondo users find prices during this month for around $512.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Philadelphia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $522. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Key West for around $657.

What is the cheapest Philadelphia to Key West flight route?

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

How far in advance should I book a flight from Philadelphia to Key West?

You are more likely to see cheaper flights to Key West from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $572 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Philadelphia for as low as $477 on momondo.

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

No. A direct flight is the cheapest option for a flight between Philadelphia to Key West.

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

As of May 2026, prices for Philadelphia to Key West flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Key West

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

Estimated round-trip price

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

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

Best Price Found	$535
Fastest flight time	3h 10m
Direct flights	Every day
Airports in Key West	1 airport

The best flight deal from Philadelphia to Key West found on momondo in the last 72 hours is $535

The fastest flight from Philadelphia to Key West takes 3h 10m

Direct flights go from Philadelphia to Key West every day.

There is 1 airport in Key West. From Philadelphia there are direct flights to Key West (EYW).

Search flight deals

Frequently asked questions about flying from Philadelphia to Key West

How far is Philadelphia to Key West by plane?
Philadelphia and Key West are 1131.0 mi apart from one another. 3h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to Key West Airport?
Prices for flights from Philadelphia Airport to Key West Airport were last updated today.
How many operators does momondo search for flights from Philadelphia Airport to Key West Airport?
The number of operators available for flights from Philadelphia Airport to Key West Airport is 3 as of May 2026.
How old do you have to be to fly from Philadelphia Airport to Key West 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 Philadelphia Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Philadelphia to Key West?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to Key West is Airbus A319, representing 64.49% of all bookings. The subsequent popular models are Embraer 175 at 29.28%, Boeing 737-700 at 1.25%, and Airbus A321-100/200 at 0.93%.
What is the most popular airline from Philadelphia to Key West?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Key West is American Airlines (92% of total bookings). The next most popular airlines are Spirit Airlines (6%) and Delta (2%).

Best airlines flying from Philadelphia to Key West

Compare and see reviews for airlines that fly from Philadelphia to Key West with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $157	Free Cancellation	Rating 6.3 8,634 reviews	Search Spirit Airlines flights
Delta	PriceFrom $402	Free Cancellation	Rating 7.9 8,457 reviews	Search Delta flights
American Airlines	PriceFrom $423	Free Cancellation	Rating 7.1 11,669 reviews	Search American Airlines flights

American Airlines Flights From Philadelphia to Key West
The lowest priced American Airlines flight from Philadelphia to Key West from the last 72 hours was $423. Generally, American Airlines has 7 flights on this route every week with an average price of $582. American Airlines is rated 7.1/10 by our users.

Big Pine Key

Little Torch Key

Why use momondo?

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

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 Philadelphia to Key West for you.

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

momondo does allow users to show only those flights to Key West from Philadelphia which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from Philadelphia.

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

Price alerts on flights to Key West from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 6/8

Mon 6/15

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Philadelphia

Complete your trip

Feeling lucky

Cheap flights from Philadelphia to Key West from $90

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Key West departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Philadelphia to Key West

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

American Airlines flights from Philadelphia to Key West

Our best American Airlines deals on Philadelphia to Key West flight tickets

Delta flights from Philadelphia to Key West

Our best Delta deals on Philadelphia to Key West flight tickets

momondo Fare Finder

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

See travel insights to Key West from

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

What is the typical price of a round-trip flight between Philadelphia and Key West?

What is the cheapest month to fly to Key West?

What is the cheapest day to depart on your flight to Key West?

What is the cheapest Philadelphia to Key West flight route?

How far in advance should I book a flight from Philadelphia to Key West?

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

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

What is the cheapest airline that flies from Philadelphia to Key West?

What airlines fly to Key West?

Which airport is the most popular layover for flights between Philadelphia and Key West?

Which layover airport offers the lowest fares from Philadelphia to Key West?

Which layover airport has the shortest travel time from Philadelphia to Key West?

Which layover airport has the shortest connection time from Philadelphia to Key West?

How many flights depart from Philadelphia to Key West on average per day?

How many flights depart from Philadelphia to Key West on average per week?

When to book flights from Philadelphia to Key West

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Key West

Frequently asked questions about flying from Philadelphia to Key West

Best airlines flying from Philadelphia to Key West

Compare and see reviews for airlines that fly from Philadelphia to Key West with momondo

American Airlines Flights From Philadelphia to Key West

Traveling to a place near Key West?

Why use momondo?

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida

Fly your favorite airline to Key West

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Key West

List of cabin classes available on flights landing in Key West. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Philadelphia

According to popular flight searches on momondo this year

Complete your trip to Key West

Explore popular destinations other users love

According to popular flight searches on momondo this year