What is the cheapest airline that flies from Pennsylvania to Key West?

Allegiant Air, Breeze Airways, and American Airlines are the most popular carriers operating from Pennsylvania to Key West

What airlines fly to Key West?

American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Key West 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 Key West. Keep in mind that there are 4 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Key West?

If you’re flying from a popular airport in Pennsylvania, such as Pittsburgh or Philadelphia, and flying into Key West, then you can expect flight times to average 2h 43m and 3h 10m, respectively.

How many flights depart from Pennsylvania to Key West on average per day?

The number of flights available between Pennsylvania and Key West is 4 per day as of August 2026. The most frequent departure time is 10:00AM, with 93% of daily flights leaving at noon.

How many flights depart from Pennsylvania to Key West on average per week?

As of August 2026, there are 28 flights per week flying from Pennsylvania to Key West. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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?

The number of operators available for flights from Pennsylvania to Key West Airport is 4 as of August 2026.

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.

$52 Cheap Flights from Pennsylvania to Key West in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Key West

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:04 pm - 5:47 pmPIT Pittsburgh-EYW Key West

2h 43mnonstop

6:37 pm - 9:25 pmEYW Key West-PIT Pittsburgh

2h 48mnonstop

$101Allegiant Air

Mon, Oct 12 - Fri, Oct 23

3:04 pm - 5:47 pmPIT Pittsburgh-EYW Key West

2h 43mnonstop

6:37 pm - 9:25 pmEYW Key West-PIT Pittsburgh

2h 48mnonstop

$109Allegiant Air

Mon, Oct 19 - Fri, Oct 23

12:58 pm - 9:24 amPHL Philadelphia-EYW Key West

20h 26m1 stop Tampa

12:01 pm - 12:38 amEYW Key West-PHL Philadelphia

12h 37m1 stop Tampa

$170Multiple Airlines

Fri, Oct 2 - Thu, Oct 15

12:58 pm - 9:24 amPHL Philadelphia-EYW Key West

20h 26m1 stop Tampa

12:01 pm - 12:38 amEYW Key West-PHL Philadelphia

12h 37m1 stop Tampa

$172Multiple Airlines

Fri, Oct 2 - Thu, Oct 15

1:00 pm - 4:22 pmIAD Washington, D.C. Dulles Intl-EYW Key West

3h 22mnonstop

6:20 pm - 9:09 pmEYW Key West-IAD Washington, D.C. Dulles Intl

2h 49mnonstop

$299United Airlines

Mon, Feb 1 - Wed, Feb 10

1:00 pm - 4:22 pmIAD Washington, D.C. Dulles Intl-EYW Key West

3h 22mnonstop

6:20 pm - 9:09 pmEYW Key West-IAD Washington, D.C. Dulles Intl

2h 49mnonstop

$299United Airlines

Tue, Jan 5 - Thu, Jan 14

8:19 am - 1:54 pmPIT Pittsburgh-EYW Key West

5h 35m1 stop Philadelphia

5:34 pm - 11:35 pmEYW Key West-PIT Pittsburgh

6h 01m1 stop Philadelphia

$299American Airlines

Tue, Oct 6 - Tue, Oct 13

8:29 am - 2:04 pmPIT Pittsburgh-EYW Key West

5h 35m1 stop Philadelphia

6:27 pm - 10:54 pmEYW Key West-PIT Pittsburgh

4h 27m1 stop Charlotte Douglas

$299American Airlines

Wed, Sep 16 - Wed, Sep 23

6:25 am - 1:37 pmPIT Pittsburgh-EYW Key West

7h 12m1 stop New York LaGuardia

6:00 pm - 12:19 amEYW Key West-PIT Pittsburgh

6h 19m1 stop Atlanta Hartsfield-Jackson

$299Delta

Tue, Jan 26 - Tue, Feb 2

3:10 pm - 8:01 pmPIT Pittsburgh-EYW Key West

4h 51m1 stop Atlanta Hartsfield-Jackson

7:40 am - 2:14 pmEYW Key West-PIT Pittsburgh

6h 34m1 stop Atlanta Hartsfield-Jackson

$299Delta

Sat, Oct 17 - Tue, Oct 20

Cheap last minute flights

Enter your travel dates to find the best prices.

8:35 am - 7:13 pmPHL Philadelphia-EYW Key West

10h 38m1 stop Tampa

12:07 pm - 12:26 pmEYW Key West-PHL Philadelphia

24h 19m2 stops Orlando Atlanta Hartsfield-Jackson

$258Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

8:35 am - 7:13 pmPHL Philadelphia-EYW Key West

10h 38m1 stop Tampa

6:21 pm - 7:15 amEYW Key West-PHL Philadelphia

36h 54m2 stops Orlando Sanford Intl Atlanta Hartsfield-Jackson

$262Multiple Airlines

Thu, Aug 27 - Sun, Aug 30

8:35 am - 7:13 pmPHL Philadelphia-EYW Key West

10h 38m1 stop Tampa

6:21 pm - 8:28 pmEYW Key West-PHL Philadelphia

26h 07m2 stops Orlando Sanford Intl Atlanta Hartsfield-Jackson

$268Multiple Airlines

Thu, Aug 27 - Sun, Aug 30

10:30 am - 4:18 pmPIT Pittsburgh-EYW Key West

5h 48m1 stop Charlotte Douglas

1:40 pm - 9:25 pmEYW Key West-PIT Pittsburgh

7h 45m1 stop Miami

$383American Airlines

Tue, Aug 25 - Tue, Sep 1

7:05 am - 1:00 pmPIT Pittsburgh-EYW Key West

5h 55m1 stop Atlanta Hartsfield-Jackson

7:40 am - 12:52 pmEYW Key West-PIT Pittsburgh

5h 12m1 stop Atlanta Hartsfield-Jackson

$383Delta

Tue, Aug 25 - Sat, Aug 29

7:05 am - 1:00 pmPIT Pittsburgh-EYW Key West

5h 55m1 stop Atlanta Hartsfield-Jackson

7:40 am - 12:52 pmEYW Key West-PIT Pittsburgh

5h 12m1 stop Atlanta Hartsfield-Jackson

$383Delta

Wed, Aug 26 - Sat, Aug 29

6:00 am - 12:55 pmLGA New York LaGuardia-EYW Key West

6h 55m1 stop Charlotte Douglas

12:45 pm - 8:03 pmEYW Key West-LGA New York LaGuardia

7h 18m1 stop Washington, D.C. Reagan-National

$398American Airlines

Wed, Aug 26 - Wed, Sep 30

2:26 pm - 4:13 pmMDT Harrisburg-EYW Key West

25h 47m2 stops Myrtle Beach Intl Cincinnati Cinci./N. Kentucky

6:21 pm - 10:54 amEYW Key West-MDT Harrisburg

16h 33m1 stop Orlando Sanford Intl

$456Allegiant Air

Thu, Aug 27 - Sun, Aug 30

10:00 am - 1:29 pmEWR Newark-EYW Key West

3h 29mnonstop

2:15 pm - 5:34 pmEYW Key West-EWR Newark

3h 19mnonstop

$608United Airlines

Wed, Aug 26 - Wed, Sep 2

10:00 am - 1:29 pmEWR Newark-EYW Key West

3h 29mnonstop

2:15 pm - 5:34 pmEYW Key West-EWR Newark

3h 19mnonstop

$608United Airlines

Tue, Aug 25 - Wed, Sep 2

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Allegiant Air flights from Pennsylvania to Key West

Our best Allegiant Air deals on Pennsylvania to Key West flight tickets

Allegiant Air

Oct 12

PIT3:04 pmPittsburgh

2h 43m

EYW5:47 pmKey West

Oct 23

EYW6:37 pmKey West

2h 48m

PIT9:25 pmPittsburgh

$101

Allegiant Air

Oct 19

PIT3:04 pmPittsburgh

2h 43m

EYW5:47 pmKey West

Oct 23

EYW6:37 pmKey West

2h 48m

PIT9:25 pmPittsburgh

$109

Allegiant Air

Oct 19

PIT3:04 pmPittsburgh

2h 43m

EYW5:47 pmKey West

Oct 23

EYW6:37 pmKey West

2h 48m

PIT9:25 pmPittsburgh

$110

American Airlines flights from Pennsylvania to Key West

Our best American Airlines deals on Pennsylvania to Key West flight tickets

American Airlines

Jan 20

LGA10:06 amNew York LaGuardia

4h 00m

EYW2:06 pmKey West

Jan 26

EYW2:44 pmKey West

3h 15m

LGA5:59 pmNew York LaGuardia

$319

American Airlines

Sep 14

EWR6:00 amNewark

7h 11m

1 stop

EYW1:11 pmKey West

Sep 23

EYW2:15 pmKey West

6h 32m

1 stop

EWR8:47 pmNewark

$321

American Airlines

Sep 19

LGA1:00 pmNew York LaGuardia

6h 17m

1 stop

EYW7:17 pmKey West

Sep 22

EYW1:47 pmKey West

7h 12m

1 stop

LGA8:59 pmNew York LaGuardia

$339

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PittsburghKey West

PIT Pittsburgh - EYW Key West

PITEYW

Pittsburgh

Mon 10/12

3:04 pm-5:47 pm

Nonstop2h 43m

Key West

Fri 10/23

6:37 pm-9:25 pm

Nonstop2h 48m

$101

PittsburghKey West

PIT Pittsburgh - EYW Key West

PITEYW

Pittsburgh

Mon 10/19

3:04 pm-5:47 pm

Nonstop2h 43m

Key West

Fri 10/23

6:37 pm-9:25 pm

Nonstop2h 48m

$109

PhiladelphiaKey West

PHL Philadelphia - EYW Key West

PHLEYW

Philadelphia

Fri 10/2

12:58 pm-9:24 am

1 stop20h 26m

Key West

Thu 10/15

12:01 pm-12:38 am

1 stop12h 37m

$170

PhiladelphiaKey West

PHL Philadelphia - EYW Key West

PHLEYW

Philadelphia

Fri 10/2

12:58 pm-9:24 am

1 stop20h 26m

Key West

Thu 10/15

12:01 pm-12:38 am

1 stop12h 37m

$172

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Mon 2/1

1:00 pm-4:22 pm

Nonstop3h 22m

Key West

Wed 2/10

6:20 pm-9:09 pm

Nonstop2h 49m

$299

Washington, D.C.Key West

IAD Washington, D.C. Dulles Intl - EYW Key West

IADEYW

Washington, D.C. Dulles Intl

Tue 1/5

1:00 pm-4:22 pm

Nonstop3h 22m

Key West

Thu 1/14

6:20 pm-9:09 pm

Nonstop2h 49m

$299

PittsburghKey West

PIT Pittsburgh - EYW Key West

PITEYW

Pittsburgh

Tue 10/6

8:19 am-1:54 pm

1 stop5h 35m

Key West

Tue 10/13

5:34 pm-11:35 pm

1 stop6h 01m

$299

PittsburghKey West

PIT Pittsburgh - EYW Key West

PITEYW

Pittsburgh

Wed 9/16

8:29 am-2:04 pm

1 stop5h 35m

Key West

Wed 9/23

6:27 pm-10:54 pm

1 stop4h 27m

$299

PittsburghKey West

PIT Pittsburgh - EYW Key West

PITEYW

Pittsburgh

Tue 1/26

6:25 am-1:37 pm

1 stop7h 12m

Key West

Tue 2/2

6:00 pm-12:19 am

1 stop6h 19m

$299

PittsburghKey West

PIT Pittsburgh - EYW Key West

PITEYW

Pittsburgh

Sat 10/17

3:10 pm-8:01 pm

1 stop4h 51m

Key West

Tue 10/20

7:40 am-2:14 pm

1 stop6h 34m

$299

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to Key West?

In general, July 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 $427. If you are unable to visit Key West during the month of July, then departing from Pennsylvania during the month August is also very affordable. Most momondo users find prices during this month for around $457.

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 $503. 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 $673.

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 from Pennsylvania 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 $580 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 $487 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	$52
Fastest flight time	2h 43m
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 $52. The best round-trip flight deal from Pennsylvania to Key West found on momondo in the last 72 hours is $101.

The fastest flight from Pennsylvania to Key West takes 2h 43m

Direct flights go from Pennsylvania to Key West every day.

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?
The number of operators available for flights from Pennsylvania to Key West Airport is 4 as of August 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Pennsylvania to Key West is Airbus A319, representing 37.27% of all bookings. The subsequent popular models are Airbus A320-100/200 at 33.23%, Embraer 175 at 23.91%, and Boeing 737 MAX 8 at 0.93%.

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 Air	PriceFrom $94	Free Cancellation	Rating 7.3 676 reviews	Search Allegiant Air flights
American Airlines	PriceFrom $248	Free Cancellation	Rating 7.1 11,989 reviews	Search American Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.8 8,520 reviews	Search Delta flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 10,110 reviews	Search United Airlines flights

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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Cheap flights from Pennsylvania to Key West from $52

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 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Allegiant Air flights from Pennsylvania to Key West

Our best Allegiant Air deals on Pennsylvania to Key West flight tickets

American Airlines flights from Pennsylvania to Key West

Our best American Airlines deals on Pennsylvania to Key West flight tickets

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How to get the cheapest flight ticket from Pennsylvania to Key West

What is the cheapest month to fly to Key West?

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

What is the cheapest Pennsylvania to Key West flight route?

How far in advance should I book a flight from Pennsylvania to Key West?

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

Can stopping save me money on Pennsylvania to Key West flights?

What is the cheapest airline that flies from Pennsylvania to Key West?

What airlines fly to Key West?

How many flights depart from Pennsylvania to Key West on average per day?

How many flights depart from Pennsylvania to Key West on average per week?

How long does it take to fly to Key West?

Cheap Pennsylvania to Key West flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Key West

Frequently asked questions about flying 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

Traveling to a place near Key West?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Florida

Fly your favorite airline to Key West

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Key West

List of cabin classes available on flights landing in Key West. Availability may vary depending on flight origin and airline.

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

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