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Cheap flights from Pennsylvania to Florida Keys from $34

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 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Pennsylvania to Florida Keys

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:39 am - 12:43 pm
PHL
-
MIA
3h 04mnonstop
Multiple Airlines Logo
10:20 pm - 1:15 am
MIA
-
PHL
2h 55mnonstop
$69Multiple Airlines
Mon, Mar 9 - Wed, Mar 18
Frontier Logo
6:27 pm - 9:25 pm
PHL
-
MIA
2h 58mnonstop
Frontier Logo
10:20 pm - 1:15 am
MIA
-
PHL
2h 55mnonstop
$70Frontier
Sat, Mar 21 - Sat, Mar 28
Frontier Logo
12:06 pm - 3:12 pm
PHL
-
MIA
3h 06mnonstop
Frontier Logo
10:29 pm - 1:24 am
MIA
-
PHL
2h 55mnonstop
$71Frontier
Sun, Mar 8 - Thu, Mar 12
Multiple Airlines Logo
8:45 pm - 11:59 pm
LGA
-
MIA
3h 14mnonstop
Multiple Airlines Logo
6:54 pm - 10:05 pm
MIA
-
LGA
3h 11mnonstop
$75Multiple Airlines
Mon, Mar 2 - Thu, Mar 12
Spirit Airlines Logo
7:59 pm - 11:18 pm
LGA
-
MIA
3h 19mnonstop
Spirit Airlines Logo
6:02 am - 9:00 am
MIA
-
LGA
2h 58mnonstop
$76Spirit Airlines
Fri, Apr 24 - Thu, Apr 30
American Airlines Logo
6:00 am - 8:45 am
DCA
-
MIA
2h 45mnonstop
American Airlines Logo
8:28 pm - 11:11 pm
MIA
-
DCA
2h 43mnonstop
$111American Airlines
Wed, Apr 29 - Sat, May 2
Spirit Airlines Logo
5:05 pm - 8:13 pm
EWR
-
MIA
3h 08mnonstop
Spirit Airlines Logo
11:38 am - 2:45 pm
MIA
-
EWR
3h 07mnonstop
$113Spirit Airlines
Tue, Feb 24 - Fri, Mar 13
American Airlines Logo
5:48 pm - 8:47 pm
DCA
-
MIA
2h 59mnonstop
American Airlines Logo
4:31 pm - 7:14 pm
MIA
-
DCA
2h 43mnonstop
$124American Airlines
Wed, Apr 22 - Tue, Apr 28
Delta Logo
1:45 pm - 4:37 pm
DCA
-
MIA
2h 52mnonstop
Delta Logo
11:20 am - 2:01 pm
MIA
-
DCA
2h 41mnonstop
$127Delta
Mon, Apr 6 - Thu, Apr 16
Delta Logo
8:30 am - 5:01 pm
JFK
-
EYW
8h 31m
1 stop
Delta Logo
5:56 pm - 12:51 am
EYW
-
JFK
6h 55m
1 stop
$359Delta
Tue, Mar 3 - Sat, Mar 7

Frontier flights from Pennsylvania to Florida Keys

Our best Frontier deals on Pennsylvania to Florida Keys flight tickets
Frontier
Mar 21
PHL6:27 pmPhiladelphia
2h 58m
MIA9:25 pmMiami
Mar 28
MIA10:20 pmMiami
2h 55m
PHL1:15 amPhiladelphia
$70
Frontier
Mar 8
PHL12:06 pmPhiladelphia
3h 06m
MIA3:12 pmMiami
Mar 12
MIA10:29 pmMiami
2h 55m
PHL1:24 amPhiladelphia
$71
Frontier
Feb 19
PHL8:01 pmPhiladelphia
2h 53m
MIA10:54 pmMiami
Feb 25
MIA2:16 pmMiami
2h 59m
PHL5:15 pmPhiladelphia
$72

Spirit Airlines flights from Pennsylvania to Florida Keys

Our best Spirit Airlines deals on Pennsylvania to Florida Keys flight tickets
Spirit Airlines
Apr 24
LGA7:59 pmNew York LaGuardia
3h 19m
MIA11:18 pmMiami
Apr 28
MIA6:02 amMiami
2h 58m
LGA9:00 amNew York LaGuardia
$76
Spirit Airlines
Feb 17
LGA8:45 pmNew York LaGuardia
3h 14m
MIA11:59 pmMiami
Feb 25
MIA6:02 amMiami
2h 58m
LGA9:00 amNew York LaGuardia
$78
Spirit Airlines
Feb 17
LGA8:45 pmNew York LaGuardia
3h 14m
MIA11:59 pmMiami
Feb 25
MIA4:10 pmMiami
2h 50m
LGA7:00 pmNew York LaGuardia
$79

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Florida Keys 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 February 8, 2026.
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

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Mon 3/9

9:39 am-12:43 pm

Nonstop3h 04m

Miami

Wed 3/18

10:20 pm-1:15 am

Nonstop2h 55m

$69

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Sat 3/21

6:27 pm-9:25 pm

Nonstop2h 58m

Miami

Sat 3/28

10:20 pm-1:15 am

Nonstop2h 55m

$70

PhiladelphiaMiami

PHL - MIA

PHLMIA

Philadelphia

Sun 3/8

12:06 pm-3:12 pm

Nonstop3h 06m

Miami

Thu 3/12

10:29 pm-1:24 am

Nonstop2h 55m

$71

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Mon 3/2

8:45 pm-11:59 pm

Nonstop3h 14m

Miami

Thu 3/12

6:54 pm-10:05 pm

Nonstop3h 11m

$75

New YorkMiami

LGA - MIA

LGAMIA

New York LaGuardia

Fri 4/24

7:59 pm-11:18 pm

Nonstop3h 19m

Miami

Thu 4/30

6:02 am-9:00 am

Nonstop2h 58m

$76

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 4/29

6:00 am-8:45 am

Nonstop2h 45m

Miami

Sat 5/2

8:28 pm-11:11 pm

Nonstop2h 43m

$111

NewarkMiami

EWR - MIA

EWRMIA

Newark

Tue 2/24

5:05 pm-8:13 pm

Nonstop3h 08m

Miami

Fri 3/13

11:38 am-2:45 pm

Nonstop3h 07m

$113

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Wed 4/22

5:48 pm-8:47 pm

Nonstop2h 59m

Miami

Tue 4/28

4:31 pm-7:14 pm

Nonstop2h 43m

$124

Washington, D.C.Miami

DCA - MIA

DCAMIA

Washington, D.C. Reagan-National

Mon 4/6

1:45 pm-4:37 pm

Nonstop2h 52m

Miami

Thu 4/16

11:20 am-2:01 pm

Nonstop2h 41m

$127

New YorkKey West

JFK - EYW

JFKEYW

New York John F Kennedy Intl

Tue 3/3

8:30 am-5:01 pm

1 stop8h 31m

Key West

Sat 3/7

5:56 pm-12:51 am

1 stop6h 55m

$359

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 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 $192.

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 $325. 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 $228. 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 $482.

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 $223 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 $175 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 39m

Direct flights

Every day

Airports in Florida Keys

3 airports
The fastest flight from Pennsylvania to Florida Keys takes 2h 39m
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

  • 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?

  • 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?

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 AirPriceFrom $92Free CancellationRating
7.2
710 reviews
Search Allegiant Air flights
Spirit AirlinesPriceFrom $155Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $207Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,172 reviews
Search Delta flights
American AirlinesPriceFrom $230Free CancellationRating
7.2
11,249 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

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Find better results for your trip to Florida Keys

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