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Cheap flights from Pennsylvania to Key West from $47

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 5/18. 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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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
2:05 pm - 4:58 pm
PIT
-
EYW
2h 53mnonstop
Allegiant Air Logo
5:48 pm - 8:40 pm
EYW
-
PIT
2h 52mnonstop
$159Allegiant Air
Fri, May 15 - Mon, May 18
Allegiant Air Logo
2:05 pm - 4:58 pm
PIT
-
EYW
2h 53mnonstop
Allegiant Air Logo
5:48 pm - 8:40 pm
EYW
-
PIT
2h 52mnonstop
$169Allegiant Air
Fri, May 15 - Mon, May 18
Multiple Airlines Logo
2:05 pm - 4:58 pm
PIT
-
EYW
2h 53mnonstop
Multiple Airlines Logo
1:06 pm - 11:58 am
EYW
-
PIT
22h 52m
1 stop
$170Multiple Airlines
Mon, Apr 13 - Fri, Apr 17
Multiple Airlines Logo
2:05 pm - 4:58 pm
PIT
-
EYW
2h 53mnonstop
Multiple Airlines Logo
11:46 am - 8:33 am
EYW
-
PIT
20h 47m
1 stop
$171Multiple Airlines
Mon, Apr 27 - Wed, May 6
Breeze Airways Logo
10:13 am - 7:16 pm
PIT
-
EYW
9h 03m
1 stop
Breeze Airways Logo
1:11 pm - 11:21 am
EYW
-
PIT
22h 10m
1 stop
$177Breeze Airways
Thu, Aug 27 - Mon, Aug 31
Delta Logo
7:00 am - 1:30 pm
DCA
-
EYW
6h 30m
1 stop
Delta Logo
6:19 pm - 11:44 pm
EYW
-
DCA
5h 25m
1 stop
$309Delta
Sat, May 16 - Tue, May 19
Delta Logo
3:00 pm - 7:40 pm
IAD
-
EYW
4h 40m
1 stop
Delta Logo
6:19 pm - 12:51 am
EYW
-
IAD
6h 32m
1 stop
$309Delta
Sat, May 2 - Thu, May 7
American Airlines Logo
4:59 pm - 10:36 pm
MDT
-
EYW
5h 37m
1 stop
American Airlines Logo
6:45 am - 4:07 pm
EYW
-
MDT
9h 22m
2 stops
$309American Airlines
Wed, May 13 - Wed, May 20
American Airlines Logo
8:20 am - 11:24 am
DCA
-
EYW
3h 04mnonstop
American Airlines Logo
12:04 pm - 2:52 pm
EYW
-
DCA
2h 48mnonstop
$314American Airlines
Mon, Apr 13 - Thu, Apr 23
Breeze Airways Logo
9:32 am - 7:16 pm
AVP
-
EYW
9h 44m
1 stop
Breeze Airways Logo
12:05 pm - 8:39 pm
EYW
-
AVP
8h 34m
1 stop
$347Breeze Airways
Sun, Aug 23 - Sun, Aug 30

Allegiant Air flights from Pennsylvania to Key West

Our best Allegiant Air deals on Pennsylvania to Key West flight tickets
Allegiant Air
May 15
PIT2:05 pmPittsburgh
2h 53m
EYW4:58 pmKey West
May 18
EYW5:48 pmKey West
2h 52m
PIT8:40 pmPittsburgh
$159
Allegiant Air
May 15
PIT2:05 pmPittsburgh
2h 53m
EYW4:58 pmKey West
May 18
EYW5:48 pmKey West
2h 52m
PIT8:40 pmPittsburgh
$169
Allegiant Air
May 1
PIT2:05 pmPittsburgh
2h 53m
EYW4:58 pmKey West
May 4
EYW5:48 pmKey West
2h 52m
PIT8:40 pmPittsburgh
$173

American Airlines flights from Pennsylvania to Key West

Our best American Airlines deals on Pennsylvania to Key West flight tickets
American Airlines
May 13
MDT4:59 pmHarrisburg
5h 37m
1 stop
EYW10:36 pmKey West
May 20
EYW6:45 amKey West
9h 22m
2 stops
MDT4:07 pmHarrisburg
$309
American Airlines
Apr 13
DCA12:14 pmWashington, D.C. Reagan-National
3h 10m
EYW3:24 pmKey West
Apr 23
EYW12:04 pmKey West
2h 48m
DCA2:52 pmWashington, D.C. Reagan-National
$314
American Airlines
May 2
IAD3:26 pmWashington, D.C. Dulles Intl
7h 32m
2 stops
EYW10:58 pmKey West
May 7
EYW3:58 pmKey West
8h 01m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
$319

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 April 3, 2026.
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

Cheapest round-trip
Quickest round-trip

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Fri 5/15

2:05 pm-4:58 pm

Nonstop2h 53m

Key West

Mon 5/18

5:48 pm-8:40 pm

Nonstop2h 52m

$159

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Fri 5/15

2:05 pm-4:58 pm

Nonstop2h 53m

Key West

Mon 5/18

5:48 pm-8:40 pm

Nonstop2h 52m

$169

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Mon 4/13

2:05 pm-4:58 pm

Nonstop2h 53m

Key West

Fri 4/17

1:06 pm-11:58 am

1 stop22h 52m

$170

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Mon 4/27

2:05 pm-4:58 pm

Nonstop2h 53m

Key West

Wed 5/6

11:46 am-8:33 am

1 stop20h 47m

$171

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Thu 8/27

10:13 am-7:16 pm

1 stop9h 03m

Key West

Mon 8/31

1:11 pm-11:21 am

1 stop22h 10m

$177

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Sat 5/16

7:00 am-1:30 pm

1 stop6h 30m

Key West

Tue 5/19

6:19 pm-11:44 pm

1 stop5h 25m

$309

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Sat 5/2

3:00 pm-7:40 pm

1 stop4h 40m

Key West

Thu 5/7

6:19 pm-12:51 am

1 stop6h 32m

$309

HarrisburgKey West

MDT - EYW

MDTEYW

Harrisburg

Wed 5/13

4:59 pm-10:36 pm

1 stop5h 37m

Key West

Wed 5/20

6:45 am-4:07 pm

2 stops9h 22m

$309

Washington, D.C.Key West

DCA - EYW

DCAEYW

Washington, D.C. Reagan-National

Mon 4/13

8:20 am-11:24 am

Nonstop3h 04m

Key West

Thu 4/23

12:04 pm-2:52 pm

Nonstop2h 48m

$314

ScrantonKey West

AVP - EYW

AVPEYW

Wilkes-Barre Scranton

Sun 8/23

9:32 am-7:16 pm

1 stop9h 44m

Key West

Sun 8/30

12:05 pm-8:39 pm

1 stop8h 34m

$347

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 $465. 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 $525. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to Key West for around $648.

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 $566 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 $460 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

$90

Fastest flight time

2h 48m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Key West

1 airport
The best one-way flight to Key West from Pennsylvania in the past 72 hours is $90. The best round-trip flight deal from Pennsylvania to Key West found on momondo in the last 72 hours is $170.
The fastest flight from Pennsylvania to Key West takes 2h 48m
Direct flights go from Pennsylvania to Key West on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Allegiant Air and American Airlines.
There is 1 airport in Key West. From Pennsylvania there are direct flights to Key West (EYW).
Search flight deals

Frequently asked questions about flying from Pennsylvania to Key West

  • 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
7.3
709 reviews
Search Allegiant Air flights
Spirit AirlinesPriceFrom $145Free CancellationRating
6.3
8,578 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $163Free CancellationRating
7.4
9,539 reviews
Search United Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,375 reviews
Search Delta flights
American AirlinesPriceFrom $238Free CancellationRating
7.1
11,552 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

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