What airlines fly to Florida Keys?

American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Florida Keys from Pennsylvania according to our data. American Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Florida Keys. Keep in mind that there are 4 different airlines that fly to Florida Keys on a routine basis, so you have a few additional options to choose from.

How many flights depart from Pennsylvania to Florida Keys on average per week?

The number of flights available between Pennsylvania and Florida Keys is 1,076 per week as of September 2026. The most frequent departure day is Sun, with 16% of weekly flights leaving on this day.

How long is the flight from Pennsylvania to Florida Keys?

On average, it takes 13h 40m to fly from Pennsylvania to Florida Keys if you fly out of Philadelphia (the most popular airport in Pennsylvania) and into Copenhagen (the most popular airport in Florida Keys). If you’re flying out of Pittsburgh and into Copenhagen, then the flight time is around 14h 21m.

How many flights depart from Pennsylvania to Florida Keys on average per day?

The number of flights available between Pennsylvania and Florida Keys is 153 per day as of September 2026. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

What is the cheapest airline that flies from Pennsylvania to Florida Keys?

Southwest, Delta, and United Airlines are the most popular carriers operating from Pennsylvania to Florida Keys

When did momondo last update prices for flights from Pennsylvania to Florida Keys?

Prices for flights from Pennsylvania to Florida Keys were last updated today.

How many operators does momondo search for flights from Pennsylvania to Florida Keys?

There are 7 operators available for flights from Pennsylvania to Florida Keys as of September 2026.

How old do you have to be to fly from Pennsylvania to Florida Keys?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pennsylvania to Florida Keys.

What documentation or ID do you need to fly to Florida Keys?

The travel and health documents you'll need for your trip to Florida Keys 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 Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$53 Cheap Flights from Pennsylvania to Florida Keys in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Florida Keys

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:39 am - 5:04 pmPHL Philadelphia-MIA Miami

8h 25m1 stop Atlanta Hartsfield-Jackson

10:55 pm - 7:21 amMIA Miami-PHL Philadelphia

8h 26m1 stop Atlanta Hartsfield-Jackson

$147Frontier

Sat, Oct 31 - Mon, Nov 2

4:47 pm - 7:51 pmPHL Philadelphia-MIA Miami

3h 04mnonstop

10:55 pm - 7:21 amMIA Miami-PHL Philadelphia

8h 26m1 stop Atlanta Hartsfield-Jackson

$147Frontier

Sun, Nov 15 - Mon, Nov 16

8:40 am - 11:33 amIAD Washington, D.C. Dulles Intl-MIA Miami

2h 53mnonstop

4:39 pm - 10:25 pmMIA Miami-IAD Washington, D.C. Dulles Intl

5h 46m1 stop Newark

$187United Airlines

Wed, Oct 28 - Tue, Nov 3

8:25 am - 11:20 amIAD Washington, D.C. Dulles Intl-MIA Miami

2h 55mnonstop

8:54 am - 4:33 pmMIA Miami-IAD Washington, D.C. Dulles Intl

7h 39m1 stop Newark

$187United Airlines

Tue, Oct 13 - Sat, Oct 17

1:45 pm - 4:24 pmDCA Washington, D.C. Reagan-National-MIA Miami

2h 39mnonstop

4:24 pm - 9:49 pmMIA Miami-DCA Washington, D.C. Reagan-National

5h 25m1 stop Atlanta Hartsfield-Jackson

$187Delta

Sat, Oct 10 - Wed, Oct 14

1:45 pm - 4:24 pmDCA Washington, D.C. Reagan-National-MIA Miami

2h 39mnonstop

10:36 am - 5:26 pmMIA Miami-DCA Washington, D.C. Reagan-National

6h 50m1 stop Atlanta Hartsfield-Jackson

$187Delta

Wed, Oct 28 - Tue, Nov 3

8:51 pm - 11:38 pmDCA Washington, D.C. Reagan-National-MIA Miami

2h 47mnonstop

9:52 pm - 12:30 amMIA Miami-DCA Washington, D.C. Reagan-National

2h 38mnonstop

$190American Airlines

Thu, Nov 5 - Sat, Nov 7

7:59 pm - 10:59 pmDCA Washington, D.C. Reagan-National-MIA Miami

3h 00mnonstop

4:26 pm - 7:04 pmMIA Miami-DCA Washington, D.C. Reagan-National

2h 38mnonstop

$190American Airlines

Thu, Jan 7 - Tue, Jan 12

3:05 pm - 10:15 pmDCA Washington, D.C. Reagan-National-MIA Miami

7h 10m1 stop Lambert-St Louis

5:50 am - 11:20 amMIA Miami-DCA Washington, D.C. Reagan-National

5h 30m1 stop Lambert-St Louis

$197Southwest

Wed, Oct 14 - Sat, Oct 17

10:00 am - 4:45 pmDCA Washington, D.C. Reagan-National-MIA Miami

6h 45m1 stop Dallas Love Field

9:10 am - 3:20 pmMIA Miami-DCA Washington, D.C. Reagan-National

6h 10m1 stop Nashville Intl

$197Southwest

Tue, Nov 17 - Wed, Nov 18

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Frontier flights from Pennsylvania to Florida Keys

Our best Frontier deals on Pennsylvania to Florida Keys flight tickets

Frontier

Oct 31

PHL8:39 amPhiladelphia

8h 25m

1 stop

MIA5:04 pmMiami

Nov 2

MIA10:55 pmMiami

8h 26m

1 stop

PHL7:21 amPhiladelphia

$147

Frontier

Oct 20

PHL5:22 pmPhiladelphia

20h 11m

2 stops

MIA1:33 pmMiami

Oct 28

MIA8:55 pmMiami

8h 16m

1 stop

PHL5:11 amPhiladelphia

$148

Frontier

Dec 1

PHL5:01 amPhiladelphia

7h 39m

1 stop

MIA12:40 pmMiami

Dec 8

MIA3:41 pmMiami

7h 24m

1 stop

PHL11:05 pmPhiladelphia

$149

United Airlines flights from Pennsylvania to Florida Keys

Our best United Airlines deals on Pennsylvania to Florida Keys flight tickets

United Airlines

Oct 13

IAD8:25 amWashington, D.C. Dulles Intl

2h 55m

MIA11:20 amMiami

Oct 17

MIA8:54 amMiami

7h 39m

1 stop

IAD4:33 pmWashington, D.C. Dulles Intl

$187

United Airlines

Oct 5

IAD8:25 amWashington, D.C. Dulles Intl

2h 55m

MIA11:20 amMiami

Oct 14

MIA1:26 pmMiami

2h 33m

IAD3:59 pmWashington, D.C. Dulles Intl

$190

United Airlines

Oct 5

IAD6:45 amWashington, D.C. Dulles Intl

5h 28m

1 stop

MIA12:13 pmMiami

Oct 14

MIA1:26 pmMiami

2h 33m

IAD3:59 pmWashington, D.C. Dulles Intl

$200

momondo Fare Finder

Use the filters below to find and compare flights from Pennsylvania to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaMiami

PHL Philadelphia - MIA Miami

PHLMIA

Philadelphia

Sat 10/31

8:39 am-5:04 pm

1 stop8h 25m

Miami

Mon 11/2

10:55 pm-7:21 am

1 stop8h 26m

$147

PhiladelphiaMiami

PHL Philadelphia - MIA Miami

PHLMIA

Philadelphia

Sun 11/15

4:47 pm-7:51 pm

Nonstop3h 04m

Miami

Mon 11/16

10:55 pm-7:21 am

1 stop8h 26m

$147

Washington, D.C.Miami

IAD Washington, D.C. Dulles Intl - MIA Miami

IADMIA

Washington, D.C. Dulles Intl

Wed 10/28

8:40 am-11:33 am

Nonstop2h 53m

Miami

Tue 11/3

4:39 pm-10:25 pm

1 stop5h 46m

$187

Washington, D.C.Miami

IAD Washington, D.C. Dulles Intl - MIA Miami

IADMIA

Washington, D.C. Dulles Intl

Tue 10/13

8:25 am-11:20 am

Nonstop2h 55m

Miami

Sat 10/17

8:54 am-4:33 pm

1 stop7h 39m

$187

Washington, D.C.Miami

DCA Washington, D.C. Reagan-National - MIA Miami

DCAMIA

Washington, D.C. Reagan-National

Sat 10/10

1:45 pm-4:24 pm

Nonstop2h 39m

Miami

Wed 10/14

4:24 pm-9:49 pm

1 stop5h 25m

$187

Washington, D.C.Miami

DCA Washington, D.C. Reagan-National - MIA Miami

DCAMIA

Washington, D.C. Reagan-National

Wed 10/28

1:45 pm-4:24 pm

Nonstop2h 39m

Miami

Tue 11/3

10:36 am-5:26 pm

1 stop6h 50m

$187

Quickest round-trip

Washington, D.C.Miami

DCA Washington, D.C. Reagan-National - MIA Miami

DCAMIA

Washington, D.C. Reagan-National

Thu 11/5

8:51 pm-11:38 pm

Nonstop2h 47m

Miami

Sat 11/7

9:52 pm-12:30 am

Nonstop2h 38m

$190

Washington, D.C.Miami

DCA Washington, D.C. Reagan-National - MIA Miami

DCAMIA

Washington, D.C. Reagan-National

Thu 1/7

7:59 pm-10:59 pm

Nonstop3h 00m

Miami

Tue 1/12

4:26 pm-7:04 pm

Nonstop2h 38m

$190

Washington, D.C.Miami

DCA Washington, D.C. Reagan-National - MIA Miami

DCAMIA

Washington, D.C. Reagan-National

Wed 10/14

3:05 pm-10:15 pm

1 stop7h 10m

Miami

Sat 10/17

5:50 am-11:20 am

1 stop5h 30m

$197

Washington, D.C.Miami

DCA Washington, D.C. Reagan-National - MIA Miami

DCAMIA

Washington, D.C. Reagan-National

Tue 11/17

10:00 am-4:45 pm

1 stop6h 45m

Miami

Wed 11/18

9:10 am-3:20 pm

1 stop6h 10m

$197

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 Pennsylvania to Florida Keys

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 Florida Keys?

The month of April is another great option to travel to Florida Keys, with average flight prices from Pennsylvania averaging around $260.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Pennsylvania to Florida Keys is on a Monday when prices can be found for as low as $368. The most expensive day to fly to Florida Keys is Wednesday, with ticket prices averaging around $549.

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

According to our data, the cheapest time of day to fly to Florida Keys is in the afternoon. momondo users have found flights departing from Pennsylvania to Florida Keys in the afternoon for as low as $261. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $660.

What is the cheapest Pennsylvania to Florida Keys flight route?

Fly from Pittsburgh to Key West for the best Pennsylvania - Florida Keys flight prices

How far in advance should I book a flight from Pennsylvania to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $239 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Pennsylvania for as low as $194 on momondo.

What cabin class options are available on Pennsylvania to Florida Keys flights?

There are 3 cabin classes available to choose from on Pennsylvania to Florida Keys 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 Pennsylvania to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Pennsylvania to Florida Keys.

Cheap Pennsylvania to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Florida Keys

Best Price Found	$53
Fastest flight time	2h 36m
Direct flights	Every day
Airports in Florida Keys	3 airports

The best one-way flight to Florida Keys from Pennsylvania in the past 72 hours is $53. The best round-trip flight deal from Pennsylvania to Florida Keys found on momondo in the last 72 hours is $147.

The fastest flight from Pennsylvania to Florida Keys takes 2h 36m

Direct flights go from Pennsylvania to Florida Keys every day.

There are 3 airports in Florida Keys. From Pennsylvania there are direct flights to Miami (MIA).

Search flight deals

Frequently asked questions about flying from Pennsylvania to Florida Keys

When did momondo last update prices for flights from Pennsylvania to Florida Keys?
Prices for flights from Pennsylvania to Florida Keys were last updated today.
How many operators does momondo search for flights from Pennsylvania to Florida Keys?
There are 7 operators available for flights from Pennsylvania to Florida Keys as of September 2026.
How old do you have to be to fly from Pennsylvania to Florida Keys?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pennsylvania to Florida Keys.
What documentation or ID do you need to fly to Florida Keys?
The travel and health documents you'll need for your trip to Florida Keys 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 Florida Keys. 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 Pennsylvania to Florida Keys?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Pennsylvania to Florida Keys is Airbus A321neo (15.91% of total bookings). The next most popular plane models are Airbus A321-100/200 (14.62%), Airbus A320-100/200 (11.57%), and Boeing 737-800 (11.00%).

Best airlines flying from Pennsylvania to Florida Keys

Compare and see reviews for airlines that fly from Pennsylvania to Florida Keys with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $94	Free Cancellation	Rating 7.3 678 reviews	Search Allegiant Air flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.0 12,072 reviews	Search American Airlines flights
Delta	PriceFrom $266	Free Cancellation	Rating 7.8 8,589 reviews	Search Delta flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 10,224 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Florida Keys?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pennsylvania to Florida Keys. momondo saves you time and could save you money on your trip.

Can I find flights from Pennsylvania to Florida Keys with flexible booking policies on momondo?

Flights from Pennsylvania to Florida Keys 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 Pennsylvania to Florida Keys?

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 Florida Keys from Pennsylvania.

I’m not ready to book a flight from Pennsylvania to Florida Keys right now. Can momondo alert me if prices change?

Price alerts on flights to Florida Keys from Pennsylvania 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.