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Cheap flights from Pennsylvania to Key West from $56

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 Key West departing on 1/23. 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 Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
8:00 am - 11:15 am
PIT
-
EYW
3h 15mnonstop
Allegiant Air Logo
12:05 pm - 2:48 pm
EYW
-
PIT
2h 43mnonstop
$116Allegiant Air
Mon, Jan 19 - Fri, Jan 23
Spirit Airlines Logo
8:20 am - 1:30 pm
PHL
-
EYW
5h 10m1 stop
Spirit Airlines Logo
12:51 pm - 8:01 pm
EYW
-
PHL
7h 10m1 stop
$127Spirit Airlines
Mon, Jan 19 - Thu, Jan 22
Multiple Airlines Logo
8:00 am - 11:15 am
PIT
-
EYW
3h 15mnonstop
Multiple Airlines Logo
12:51 pm - 11:44 pm
EYW
-
PIT
10h 53m1 stop
$150Multiple Airlines
Mon, Jan 19 - Thu, Jan 22
Multiple Airlines Logo
8:00 am - 11:15 am
PIT
-
EYW
3h 15mnonstop
Multiple Airlines Logo
11:06 am - 7:27 pm
EYW
-
PIT
8h 21m1 stop
$165Multiple Airlines
Mon, Jan 19 - Thu, Jan 22
Breeze Airways Logo
9:23 am - 9:09 am
AVP
-
EYW
23h 46m1 stop
Breeze Airways Logo
10:49 am - 8:43 am
EYW
-
AVP
21h 54m1 stop
$175Breeze Airways
Sun, Feb 1 - Sat, Feb 7
Breeze Airways Logo
2:41 pm - 9:26 am
AVP
-
EYW
18h 45m1 stop
Breeze Airways Logo
10:49 am - 8:43 am
EYW
-
AVP
21h 54m1 stop
$177Breeze Airways
Sat, Jan 10 - Wed, Jan 14
American Airlines Logo
4:47 pm - 9:47 pm
MDT
-
EYW
5h 00m1 stop
American Airlines Logo
5:24 pm - 10:27 pm
EYW
-
MDT
5h 03m1 stop
$259American Airlines
Fri, Jan 9 - Mon, Jan 12
American Airlines Logo
4:47 pm - 9:47 pm
MDT
-
EYW
5h 00m1 stop
American Airlines Logo
4:37 pm - 11:37 pm
EYW
-
MDT
7h 00m2 stops
$264American Airlines
Fri, Jan 9 - Fri, Jan 16
Delta Logo
10:00 am - 1:37 pm
LGA
-
EYW
3h 37mnonstop
Delta Logo
1:28 pm - 4:35 pm
EYW
-
LGA
3h 07mnonstop
$269Delta
Thu, Jan 1 - Thu, Jan 8
Delta Logo
9:00 am - 12:48 pm
LGA
-
EYW
3h 48mnonstop
Delta Logo
2:45 pm - 10:41 pm
EYW
-
LGA
7h 56m1 stop
$278Delta
Sat, Jan 31 - Tue, Feb 10

Allegiant Air flights from Pennsylvania to Key West

Our best Allegiant Air deals on Pennsylvania to Key West flight tickets
Allegiant Air
Jan 19
PIT8:00 amPittsburgh
3h 15m
EYW11:15 amKey West
Jan 23
EYW12:05 pmKey West
2h 43m
PIT2:48 pmPittsburgh
$116
Find similar
Allegiant Air
Dec 19
PIT6:30 amPittsburgh
2h 59m
EYW9:29 amKey West
Dec 29
EYW10:19 amKey West
2h 45m
PIT1:04 pmPittsburgh
$125
Find similar
Allegiant Air
Dec 22
PIT6:30 amPittsburgh
2h 59m
EYW9:29 amKey West
Dec 29
EYW10:19 amKey West
2h 45m
PIT1:04 pmPittsburgh
$127
Find similar

American Airlines flights from Pennsylvania to Key West

Our best American Airlines deals on Pennsylvania to Key West flight tickets
American Airlines
Jan 17
PIT7:01 pmPittsburgh
4h 55m
1 stop
EYW11:56 pmKey West
Jan 31
EYW4:37 pmKey West
7h 22m
1 stop
PIT11:59 pmPittsburgh
$238
Find similar
American Airlines
Jan 17
PIT1:48 pmPittsburgh
7h 59m
2 stops
EYW9:47 pmKey West
Jan 31
EYW4:37 pmKey West
7h 22m
1 stop
PIT11:59 pmPittsburgh
$243
Find similar
American Airlines
Jan 9
MDT4:47 pmHarrisburg
5h 00m
1 stop
EYW9:47 pmKey West
Jan 12
EYW5:24 pmKey West
5h 03m
1 stop
MDT10:27 pmHarrisburg
$259
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Key West 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 December 11, 2025.
Use the filters below to find and compare flights from Pennsylvania to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Mon 1/19

8:00 am-11:15 am

Nonstop3h 15m

Key West

Fri 1/23

12:05 pm-2:48 pm

Nonstop2h 43m

$116

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Mon 1/19

8:20 am-1:30 pm

1 stop5h 10m

Key West

Thu 1/22

12:51 pm-8:01 pm

1 stop7h 10m

$127

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Mon 1/19

8:00 am-11:15 am

Nonstop3h 15m

Key West

Thu 1/22

12:51 pm-11:44 pm

1 stop10h 53m

$150

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Mon 1/19

8:00 am-11:15 am

Nonstop3h 15m

Key West

Thu 1/22

11:06 am-7:27 pm

1 stop8h 21m

$165

ScrantonKey West

AVP - EYW

AVPEYW

Wilkes-Barre Scranton

Sun 2/1

9:23 am-9:09 am

1 stop23h 46m

Key West

Sat 2/7

10:49 am-8:43 am

1 stop21h 54m

$175

ScrantonKey West

AVP - EYW

AVPEYW

Wilkes-Barre Scranton

Sat 1/10

2:41 pm-9:26 am

1 stop18h 45m

Key West

Wed 1/14

10:49 am-8:43 am

1 stop21h 54m

$177

HarrisburgKey West

MDT - EYW

MDTEYW

Harrisburg

Fri 1/9

4:47 pm-9:47 pm

1 stop5h 00m

Key West

Mon 1/12

5:24 pm-10:27 pm

1 stop5h 03m

$259

HarrisburgKey West

MDT - EYW

MDTEYW

Harrisburg

Fri 1/9

4:47 pm-9:47 pm

1 stop5h 00m

Key West

Fri 1/16

4:37 pm-11:37 pm

2 stops7h 00m

$264

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Thu 1/1

10:00 am-1:37 pm

Nonstop3h 37m

Key West

Thu 1/8

1:28 pm-4:35 pm

Nonstop3h 07m

$269

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Sat 1/31

9:00 am-12:48 pm

Nonstop3h 48m

Key West

Tue 2/10

2:45 pm-10:41 pm

1 stop7h 56m

$278

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 Key West from

How to get the cheapest flight ticket from Pennsylvania 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

What is the cheapest month to fly to Key West?

In general, August is the cheapest month to fly from Pennsylvania to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $468. If you are unable to visit Key West during the month of August, then departing from Pennsylvania 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 Pennsylvania 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 Thursday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to Key West for around $633.

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

According to our data, the cheapest time of day to fly to Key West is at noon. momondo users have found flights departing from Pennsylvania to Key West at noon for as low as $496. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $574. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Pennsylvania to Key West flight route?

Fly from Pittsburgh to Key West for the best Pennsylvania - 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 Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $561 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Pennsylvania for as low as $477 on momondo.

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

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

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

Cheap Pennsylvania to Key West flight deals and tips

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

Best Price Found

$89

Fastest flight time

2h 53m

Direct flights

Every day

Airports in Key West

1 airport
The best one-way flight to Key West from Pennsylvania in the past 72 hours is $89. The best round-trip flight deal from Pennsylvania to Key West found on momondo in the last 72 hours is $144.
The fastest flight from Pennsylvania to Key West takes 2h 53m
Direct flights go from Pennsylvania to Key West every day.
There is 1 airport near Key West: Key West (EYW)
Search flight deals

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

    Prices for flights from Pennsylvania to Key West Airport are updated daily.

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

  • How old do you have to be to fly from Pennsylvania to Key West Airport?

    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 Key West Airport.

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

    The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Pennsylvania to Key West?

Best airlines flying from Pennsylvania to Key West

Compare and see reviews for airlines that fly from Pennsylvania to Key West with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $92Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
Spirit AirlinesPriceFrom $148Free CancellationRating
6.3
8,176 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $207Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.9
8,006 reviews
Search Delta flights
American AirlinesPriceFrom $238Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West from Pennsylvania.

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

Yes. All flights to Key West from Pennsylvania on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Pennsylvania 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 Pennsylvania.

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

Yes momondo offers price alerts on flights to Key West from Pennsylvania. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when 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.
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