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

Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Pennsylvania to Florida Keys

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

The number of flights available between Pennsylvania and Florida Keys is 969 per week as of November 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.

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

The number of flights available between Pennsylvania and Florida Keys is 138 per day as of November 2025. The most frequent departure time is 10:00AM, with 94% of daily flights leaving at noon.

How long is the flight from Pennsylvania to Florida Keys?

On average, it takes 5h 20m to fly from Pennsylvania to Florida Keys if you fly out of Pittsburgh (the most popular airport in Pennsylvania) and into Los Angeles (the most popular airport in Florida Keys). If you’re flying out of Philadelphia and into Los Angeles, then the flight time is around 5h 39m.

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 78% 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.

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 9 operators available for flights from Pennsylvania to Florida Keys as of November 2025.

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.

$43 Cheap Flights from Pennsylvania to Florida Keys in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 12:42 pmJFK-MIA

6h 27m1 stop

9:24 pm - 12:28 amMIA-JFK

3h 04mnonstop

$75Frontier

Find Deal

Wed, Dec 10 - Wed, Dec 24

9:59 am - 1:14 pmLGA-MIA

3h 15mnonstop

8:21 am - 11:29 amMIA-LGA

3h 08mnonstop

$75Multiple Airlines

Find Deal

Sat, Dec 6 - Sun, Dec 14

6:00 am - 9:12 amJFK-MIA

3h 12mnonstop

9:40 pm - 12:41 amMIA-JFK

3h 01mnonstop

$76Frontier

Find Deal

Tue, Nov 18 - Sat, Nov 22

4:30 pm - 7:47 pmLGA-MIA

3h 17mnonstop

2:19 pm - 4:59 pmMIA-LGA

2h 40mnonstop

$77Multiple Airlines

Find Deal

Tue, Dec 16 - Wed, Jan 7

7:59 pm - 11:15 pmLGA-MIA

3h 16mnonstop

2:19 pm - 4:59 pmMIA-LGA

2h 40mnonstop

$79Spirit Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

6:55 pm - 10:11 pmLGA-MIA

3h 16mnonstop

8:20 pm - 11:15 pmMIA-LGA

2h 55mnonstop

$80Spirit Airlines

Find Deal

Tue, Nov 18 - Tue, Nov 25

7:45 pm - 10:46 pmPHL-MIA

3h 01mnonstop

6:41 pm - 9:31 pmMIA-PHL

2h 50mnonstop

$109American Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

5:59 am - 8:41 amDCA-MIA

2h 42mnonstop

9:53 pm - 12:38 amMIA-DCA

2h 45mnonstop

$115American Airlines

Find Deal

Wed, Dec 3 - Sat, Dec 6

8:43 pm - 11:59 pmEWR-MIA

3h 16mnonstop

2:29 pm - 5:30 pmMIA-EWR

3h 01mnonstop

$127United Airlines

Find Deal

Tue, Dec 2 - Thu, Dec 4

8:26 am - 11:14 amIAD-MIA

2h 48mnonstop

12:50 pm - 3:24 pmMIA-IAD

2h 34mnonstop

$133United Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

Frontier flights from Pennsylvania to Florida Keys

Our best Frontier deals on Pennsylvania to Florida Keys flight tickets

Frontier

Dec 10

JFK6:15 amNew York John F Kennedy Intl

6h 27m

1 stop

MIA12:42 pmMiami

Dec 24

MIA9:24 pmMiami

3h 04m

JFK12:28 amNew York John F Kennedy Intl

$75

Find similar

Frontier

Nov 18

JFK6:00 amNew York John F Kennedy Intl

3h 12m

MIA9:12 amMiami

Nov 22

MIA9:40 pmMiami

3h 01m

JFK12:41 amNew York John F Kennedy Intl

$76

Find similar

Frontier

Jan 8

JFK6:00 amNew York John F Kennedy Intl

3h 22m

MIA9:22 amMiami

Jan 12

MIA9:03 pmMiami

3h 04m

JFK12:07 amNew York John F Kennedy Intl

$77

Find similar

Delta flights from Pennsylvania to Florida Keys

Our best Delta deals on Pennsylvania to Florida Keys flight tickets

Delta

Nov 19

JFK11:25 amNew York John F Kennedy Intl

3h 08m

MIA2:33 pmMiami

Dec 2

MIA7:59 pmMiami

3h 08m

JFK11:07 pmNew York John F Kennedy Intl

$127

Find similar

Delta

Dec 3

DCA2:25 pmWashington, D.C. Reagan-National

2h 52m

MIA5:17 pmMiami

Dec 10

MIA11:24 amMiami

2h 35m

DCA1:59 pmWashington, D.C. Reagan-National

$133

Find similar

Delta

Dec 2

DCA2:25 pmWashington, D.C. Reagan-National

2h 52m

MIA5:17 pmMiami

Dec 9

MIA11:24 amMiami

2h 35m

DCA1:59 pmWashington, D.C. Reagan-National

$135

Find similar

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

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Wed 12/10

6:15 am-12:42 pm

1 stop6h 27m

Miami

Wed 12/24

9:24 pm-12:28 am

Nonstop3h 04m

$75

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Sat 12/6

9:59 am-1:14 pm

Nonstop3h 15m

Miami

Sun 12/14

8:21 am-11:29 am

Nonstop3h 08m

$75

New YorkMiami

JFK - MIA

JFKMIA

New York John F Kennedy Intl

Tue 11/18

6:00 am-9:12 am

Nonstop3h 12m

Miami

Sat 11/22

9:40 pm-12:41 am

Nonstop3h 01m

$76

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Tue 12/16

4:30 pm-7:47 pm

Nonstop3h 17m

Miami

Wed 1/7

2:19 pm-4:59 pm

Nonstop2h 40m

$77

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Wed 12/3

7:59 pm-11:15 pm

Nonstop3h 16m

Miami

Wed 12/10

2:19 pm-4:59 pm

Nonstop2h 40m

$79

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Tue 11/18

6:55 pm-10:11 pm

Nonstop3h 16m

Miami

Tue 11/25

8:20 pm-11:15 pm

Nonstop2h 55m

$80

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Wed 12/3

7:45 pm-10:46 pm

Nonstop3h 01m

Miami

Wed 12/10

6:41 pm-9:31 pm

Nonstop2h 50m

$109

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 12/3

5:59 am-8:41 am

Nonstop2h 42m

Miami

Sat 12/6

9:53 pm-12:38 am

Nonstop2h 45m

$115

NewarkMiami

EWR - MIA

EWRMIA

Newark

Tue 12/2

8:43 pm-11:59 pm

Nonstop3h 16m

Miami

Thu 12/4

2:29 pm-5:30 pm

Nonstop3h 01m

$127

Washington, D.C.Miami

IAD - MIA

IADMIA

Washington, D.C. Dulles Intl

Wed 12/3

8:26 am-11:14 am

Nonstop2h 48m

Miami

Wed 12/10

12:50 pm-3:24 pm

Nonstop2h 34m

$133

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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 October is another great option to travel to Florida Keys, with average flight prices from Pennsylvania averaging around $207.

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 Friday when prices can be found for as low as $333. The most expensive day to fly to Florida Keys is Tuesday, with ticket prices averaging around $533.

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 evening. momondo users have found flights departing from Pennsylvania to Florida Keys in the evening for as low as $230. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $503.

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 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 $234 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

Fastest flight time	2h 37m
Direct flights	Every day
Airports in Florida Keys	1 airport

The fastest flight from Pennsylvania to Florida Keys takes 2h 37m

Direct flights go from Pennsylvania to Florida Keys every day.

There is 1 airport near Florida Keys: Miami (MIA)

Search flight deals

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 9 operators available for flights from Pennsylvania to Florida Keys as of November 2025.
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 (13.60% of total bookings). The next most popular plane models are Airbus A320-100/200 (12.60%), Airbus A321-100/200 (11.71%), and Boeing 737-800 (10.51%).

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 $92	Free Cancellation	Rating 7.2 697 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $207	Free Cancellation	Rating 7.4 9,003 reviews	Search United Airlines flights
Delta	PriceFrom $229	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
American Airlines	PriceFrom $237	Free Cancellation	Rating 7.2 11,041 reviews	Search American 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.

An easier way to manage your Florida Keys 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.

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Popular cities in Florida Keys

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Flights to Seattlefrom $72

Cheap flights from Pennsylvania to Florida Keys from $43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Florida Keys departing on 11/16. 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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Big names and deals

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Filter for what you want

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Frontier flights from Pennsylvania to Florida Keys

Our best Frontier deals on Pennsylvania to Florida Keys flight tickets

Delta flights from Pennsylvania to Florida Keys

Our best Delta deals on Pennsylvania to Florida Keys flight tickets

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

See travel insights to Florida Keys from

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

What is the cheapest month to fly to Florida Keys?

The month of October is another great option to travel to Florida Keys, with average flight prices from Pennsylvania averaging around $207.

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 Friday when prices can be found for as low as $333. The most expensive day to fly to Florida Keys is Tuesday, with ticket prices averaging around $533.

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

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 to Florida Keys?

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.

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

Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Pennsylvania to Florida Keys

What airlines fly to Florida Keys?

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

The number of flights available between Pennsylvania and Florida Keys is 138 per day as of November 2025. The most frequent departure time is 10:00AM, with 94% of daily flights leaving at noon.

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

The number of flights available between Pennsylvania and Florida Keys is 969 per week as of November 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.

How long is the flight from 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

Fastest flight time

Direct flights

Airports in Florida Keys

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

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

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

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

What is the most popular plane model from Pennsylvania to Florida Keys?

Best airlines flying from Pennsylvania to Florida Keys

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

Why use momondo?

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

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

How can momondo help me find flights from Pennsylvania to Florida Keys?

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

An easier way to manage your Florida Keys 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 Florida Keys

Popular cities in Florida Keys

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