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

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

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

The number of flights available between Pennsylvania and Key West is 8 per day as of January 2026. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

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

As of January 2026, there are 61 flights per week flying from Pennsylvania to Key West. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

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 75% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 5 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 45m and 3h 12m, respectively.

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 6 as of January 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.

$73 Cheap Flights from Pennsylvania to Key West in 2026

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:05 pm - 4:58 pm

PIT

EYW

2h 53mnonstop

7:22 pm - 10:10 pm

EYW

PIT

2h 48mnonstop

$162Allegiant Air

Mon, May 11 - Fri, May 29

8:00 am - 11:15 am

PIT

EYW

3h 15mnonstop

2:25 pm - 8:14 pm

EYW

PIT

5h 49m

1 stop

$175Multiple Airlines

Mon, Feb 9 - Thu, Feb 12

8:00 am - 11:15 am

PIT

EYW

3h 15mnonstop

12:05 pm - 2:48 pm

EYW

PIT

2h 43mnonstop

$179Allegiant Air

Mon, Feb 2 - Fri, Feb 6

6:21 am - 11:30 am

PHL

EYW

5h 09m

1 stop

12:25 pm - 7:40 pm

EYW

PHL

7h 15m

1 stop

$183Spirit Airlines

Tue, Apr 7 - Tue, Apr 14

6:00 am - 1:30 pm

PHL

EYW

7h 30m

1 stop

2:25 pm - 7:52 pm

EYW

PHL

5h 27m

1 stop

$189Spirit Airlines

Mon, Feb 9 - Thu, Feb 12

6:00 am - 11:59 am

PHL

EYW

5h 59m

1 stop

12:50 pm - 10:31 pm

EYW

PHL

9h 41m

1 stop

$195JetBlue

Thu, Mar 19 - Sun, Mar 22

7:45 am - 3:17 pm

EWR

EYW

7h 32m

1 stop

2:25 pm - 5:30 pm

EYW

EWR

3h 05mnonstop

$264United Airlines

Sat, Feb 7 - Wed, Feb 11

12:08 pm - 7:42 pm

MDT

EYW

7h 34m

1 stop

5:56 pm - 11:27 pm

EYW

MDT

5h 31m

1 stop

$279Delta

Tue, Feb 17 - Thu, Feb 26

1:00 pm - 7:42 pm

LGA

EYW

6h 42m

1 stop

1:28 pm - 4:32 pm

EYW

LGA

3h 04mnonstop

$289Delta

Tue, Feb 17 - Thu, Feb 26

1:15 pm - 4:42 pm

IAD

EYW

3h 27mnonstop

6:22 pm - 9:25 pm

EYW

IAD

3h 03mnonstop

$295United Airlines

Thu, Apr 9 - Thu, Apr 16

Allegiant Air flights from Pennsylvania to Key West

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

Allegiant Air

May 11

PIT2:05 pmPittsburgh

2h 53m

EYW4:58 pmKey West

May 29

EYW7:22 pmKey West

2h 48m

PIT10:10 pmPittsburgh

$162

Allegiant Air

Feb 2

PIT8:00 amPittsburgh

3h 15m

EYW11:15 amKey West

Feb 6

EYW12:05 pmKey West

2h 43m

PIT2:48 pmPittsburgh

$179

Allegiant Air

Jun 1

PIT3:44 pmPittsburgh

2h 48m

EYW6:32 pmKey West

Jun 5

EYW7:17 pmKey West

2h 49m

PIT10:06 pmPittsburgh

$190

JetBlue flights from Pennsylvania to Key West

Our best JetBlue deals on Pennsylvania to Key West flight tickets

JetBlue

Mar 19

PHL6:00 amPhiladelphia

5h 59m

1 stop

EYW11:59 amKey West

Mar 22

EYW12:50 pmKey West

9h 41m

1 stop

PHL10:31 pmPhiladelphia

$195

JetBlue

Feb 8

JFK10:59 pmNew York John F Kennedy Intl

13h 06m

1 stop

EYW12:05 pmKey West

Feb 11

EYW1:00 pmKey West

8h 02m

1 stop

JFK9:02 pmNew York John F Kennedy Intl

$345

JetBlue

Feb 2

JFK10:59 pmNew York John F Kennedy Intl

13h 06m

1 stop

EYW12:05 pmKey West

Feb 5

EYW1:00 pmKey West

8h 32m

1 stop

JFK9:32 pmNew York John F Kennedy Intl

$418

Fly from

Fly to

Route

Depart

Return

Price

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Mon 5/11

2:05 pm-4:58 pm

Nonstop2h 53m

Key West

Fri 5/29

7:22 pm-10:10 pm

Nonstop2h 48m

$162

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Mon 2/9

8:00 am-11:15 am

Nonstop3h 15m

Key West

Thu 2/12

2:25 pm-8:14 pm

1 stop5h 49m

$175

PittsburghKey West

PIT - EYW

PITEYW

Pittsburgh

Mon 2/2

8:00 am-11:15 am

Nonstop3h 15m

Key West

Fri 2/6

12:05 pm-2:48 pm

Nonstop2h 43m

$179

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Tue 4/7

6:21 am-11:30 am

1 stop5h 09m

Key West

Tue 4/14

12:25 pm-7:40 pm

1 stop7h 15m

$183

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Mon 2/9

6:00 am-1:30 pm

1 stop7h 30m

Key West

Thu 2/12

2:25 pm-7:52 pm

1 stop5h 27m

$189

PhiladelphiaKey West

PHL - EYW

PHLEYW

Philadelphia

Thu 3/19

6:00 am-11:59 am

1 stop5h 59m

Key West

Sun 3/22

12:50 pm-10:31 pm

1 stop9h 41m

$195

NewarkKey West

EWR - EYW

EWREYW

Newark

Sat 2/7

7:45 am-3:17 pm

1 stop7h 32m

Key West

Wed 2/11

2:25 pm-5:30 pm

Nonstop3h 05m

$264

HarrisburgKey West

MDT - EYW

MDTEYW

Harrisburg

Tue 2/17

12:08 pm-7:42 pm

1 stop7h 34m

Key West

Thu 2/26

5:56 pm-11:27 pm

1 stop5h 31m

$279

New YorkKey West

LGA - EYW

LGAEYW

New York LaGuardia

Tue 2/17

1:00 pm-7:42 pm

1 stop6h 42m

Key West

Thu 2/26

1:28 pm-4:32 pm

Nonstop3h 04m

$289

Washington, D.C.Key West

IAD - EYW

IADEYW

Washington, D.C. Dulles Intl

Thu 4/9

1:15 pm-4:42 pm

Nonstop3h 27m

Key West

Thu 4/16

6:22 pm-9:25 pm

Nonstop3h 03m

$295

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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, 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 $463. 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 $514.

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 $539. 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 $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 $562 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 $459 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	$72
Fastest flight time	2h 45m
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 $72. The best round-trip flight deal from Pennsylvania to Key West found on momondo in the last 72 hours is $162.

The fastest flight from Pennsylvania to Key West takes 2h 45m

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

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 6 as of January 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 Embraer 175, representing 37.50% of all bookings. The subsequent popular models are Airbus A319 at 35.76%, Airbus A320-100/200 at 23.09%, and Airbus A321neo at 1.39%.

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 $92	Free Cancellation	Rating 7.2 705 reviews	Search Allegiant Air flights
Spirit Airlines	PriceFrom $155	Free Cancellation	Rating 6.3 8,361 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $207	Free Cancellation	Rating 7.4 9,189 reviews	Search United Airlines flights
Delta	PriceFrom $216	Free Cancellation	Rating 7.9 8,086 reviews	Search Delta flights
American Airlines	PriceFrom $230	Free Cancellation	Rating 7.2 11,169 reviews	Search American Airlines flights

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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 $73

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 3/16. 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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Allegiant Air flights from Pennsylvania to Key West

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

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Our best JetBlue deals on Pennsylvania to Key West flight tickets

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

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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?

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?

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.

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

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

What airlines fly to Key West?

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

The number of flights available between Pennsylvania and Key West is 8 per day as of January 2026. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

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

As of January 2026, there are 61 flights per week flying from Pennsylvania to Key West. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.

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 45m and 3h 12m, respectively.

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

Fastest flight time

Direct flights

Airports in Key West

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

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?

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

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

Traveling to a place near Key West?

Why use momondo?

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

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

How can momondo help me find flights from Pennsylvania to Key West?

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

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