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 62% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 5 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

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

Spirit Airlines is the most popular carrier operating from Philadelphia to Key West

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

As of February 2026, there are 3 flights per day flying from Philadelphia to Key West. The most common time of day flights depart is 9:00AM, with 100% of flights taking off at noon.

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

As of February 2026, 21 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.

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 February 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.

$83 Cheap Flights from Philadelphia to Key West in 2026

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.

6:45 pm - 9:06 am

PHL

EYW

14h 21m

2 stops

11:51 am - 7:42 pm

EYW

PHL

7h 51m

1 stop

$212Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

1:35 pm - 9:06 am

PHL

EYW

19h 31m

1 stop

1:01 pm - 2:31 pm

EYW

PHL

25h 30m

1 stop

$218Multiple Airlines

Wed, Feb 25 - Tue, Mar 3

5:28 pm - 1:30 pm

PHL

EYW

20h 02m

1 stop

12:06 pm - 11:10 pm

EYW

PHL

11h 04m

1 stop

$223Multiple Airlines

Thu, May 7 - Mon, May 11

6:48 am - 11:30 am

PHL

EYW

4h 42m

1 stop

12:25 pm - 7:57 pm

EYW

PHL

7h 32m

1 stop

$224Spirit Airlines

Thu, Mar 19 - Tue, Mar 24

5:15 am - 11:30 am

PHL

EYW

6h 15m

1 stop

12:25 pm - 10:50 pm

EYW

PHL

10h 25m

1 stop

$225Multiple Airlines

Thu, Mar 12 - Tue, Mar 17

5:55 pm - 11:11 am

PHL

EYW

17h 16m

1 stop

12:25 pm - 10:52 pm

EYW

PHL

10h 27m

2 stops

$227Multiple Airlines

Tue, Mar 10 - Wed, Mar 18

10:18 pm - 9:06 am

PHL

EYW

10h 48m

1 stop

1:01 pm - 8:39 am

EYW

PHL

19h 38m

2 stops

$228Multiple Airlines

Wed, Mar 18 - Tue, Mar 24

6:08 pm - 9:06 am

PHL

EYW

14h 58m

2 stops

12:25 pm - 10:50 pm

EYW

PHL

10h 25m

1 stop

$229Multiple Airlines

Wed, Mar 18 - Tue, Mar 24

5:28 pm - 11:11 am

PHL

EYW

17h 43m

1 stop

12:06 pm - 11:10 pm

EYW

PHL

11h 04m

1 stop

$230Multiple Airlines

Wed, Apr 29 - Mon, May 4

6:00 am - 11:38 am

PHL

EYW

5h 38m

1 stop

12:25 pm - 11:56 pm

EYW

PHL

11h 31m

1 stop

$231Multiple Airlines

Thu, Apr 2 - Tue, Apr 7

Spirit Airlines flights from Philadelphia to Key West

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

Spirit Airlines

Mar 19

PHL6:48 amPhiladelphia

4h 42m

1 stop

EYW11:30 amKey West

Mar 24

EYW12:25 pmKey West

7h 32m

1 stop

PHL7:57 pmPhiladelphia

$224

Spirit Airlines

Mar 13

PHL8:18 amPhiladelphia

5h 19m

1 stop

EYW1:37 pmKey West

Mar 19

EYW12:25 pmKey West

11h 31m

1 stop

PHL11:56 pmPhiladelphia

$236

Spirit Airlines

Mar 16

PHL5:00 amPhiladelphia

8h 37m

2 stops

EYW1:37 pmKey West

Mar 20

EYW2:35 pmKey West

9h 21m

1 stop

PHL11:56 pmPhiladelphia

$242

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Wed 3/4

6:45 pm-9:06 am

2 stops14h 21m

Key West

Wed 3/11

11:51 am-7:42 pm

1 stop7h 51m

$212

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Wed 2/25

1:35 pm-9:06 am

1 stop19h 31m

Key West

Tue 3/3

1:01 pm-2:31 pm

1 stop25h 30m

$218

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 5/7

5:28 pm-1:30 pm

1 stop20h 02m

Key West

Mon 5/11

12:06 pm-11:10 pm

1 stop11h 04m

$223

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 3/19

6:48 am-11:30 am

1 stop4h 42m

Key West

Tue 3/24

12:25 pm-7:57 pm

1 stop7h 32m

$224

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 3/12

5:15 am-11:30 am

1 stop6h 15m

Key West

Tue 3/17

12:25 pm-10:50 pm

1 stop10h 25m

$225

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Tue 3/10

5:55 pm-11:11 am

1 stop17h 16m

Key West

Wed 3/18

12:25 pm-10:52 pm

2 stops10h 27m

$227

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Wed 3/18

10:18 pm-9:06 am

1 stop10h 48m

Key West

Tue 3/24

1:01 pm-8:39 am

2 stops19h 38m

$228

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Wed 3/18

6:08 pm-9:06 am

2 stops14h 58m

Key West

Tue 3/24

12:25 pm-10:50 pm

1 stop10h 25m

$229

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Wed 4/29

5:28 pm-11:11 am

1 stop17h 43m

Key West

Mon 5/4

12:06 pm-11:10 pm

1 stop11h 04m

$230

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 4/2

6:00 am-11:38 am

1 stop5h 38m

Key West

Tue 4/7

12:25 pm-11:56 pm

1 stop11h 31m

$231

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

Other information

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 $463. If you are unable to visit Key West during the month of August, then departing from Philadelphia during the month July 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 $543. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Key West for around $645.

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 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 $564 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 $450 on momondo.

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

There are 3 cabin classes available to choose from on Philadelphia to Key West 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 Philadelphia to Key West flights?

You could potentially save up to 55% on your flight if you consider stops on a Philadelphia to Key West flight.

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

As of February 2026, prices for Philadelphia to Key West flights are approximately 26% more expensive 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	$270
Fastest flight time	3h 11m
Direct flights	Every day
Airports in Key West	1 airport

The best one-way flight to Key West from Philadelphia in the past 72 hours is $270. The best round-trip flight deal from Philadelphia to Key West found on momondo in the last 72 hours is $502.

The fastest flight from Philadelphia to Key West takes 3h 11m

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

How far is Philadelphia to Key West by plane?
Philadelphia and Key West are 1131.0 mi apart from one another. 3h 11m 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 February 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 48.05% of all bookings. The subsequent popular models are Embraer 175 at 47.62%, Airbus A320-100/200 at 0.65%, and Airbus A320neo at 0.43%.
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 (94% of total bookings). The next most popular airlines are Spirit Airlines (4%) 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 $155	Free Cancellation	Rating 6.3 8,451 reviews	Search Spirit Airlines flights
Delta	PriceFrom $307	Free Cancellation	Rating 7.9 8,203 reviews	Search Delta flights
American Airlines	PriceFrom $423	Free Cancellation	Rating 7.2 11,288 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 14 flights on this route every week with an average price of $586. American Airlines is rated 7.2/10 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 3/16

Mon 3/23

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 $83

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 4/12. 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

Spirit Airlines flights from Philadelphia to Key West

Our best Spirit Airlines 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 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 to Key West?

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

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?

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

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?

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

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

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

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

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