Cheap flights from Philadelphia to Key West from $168
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Key West departing on 9/7. 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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American Airlines flights from Philadelphia to Key West
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Delta flights from Philadelphia to Key West
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How to get the cheapest flight ticket from Philadelphia 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 Philadelphia 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 Philadelphia during the month October is also very affordable. Most momondo users find prices during this month for around $487.
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 Philadelphia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $478. 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 Philadelphia to Key West for around $595.
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 Philadelphia 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 $534. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Philadelphia to Key West flight route?
Fly from Philadelphia to Key West for the best Philadelphia - 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 Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $533 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Philadelphia for as low as $469 on momondo.
What cabin class options are available on Philadelphia to Key West flights?
There are 3 cabin classes available to choose from on Philadelphia to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Philadelphia to Key West?
American Airlines and United Airlines are the most popular carriers operating from Philadelphia to Key West
What airlines fly to Key West?
American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Key West from Philadelphia according to our data. American Airlines is the first choice among our users, with 63% 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 many flights depart from Philadelphia to Key West on average per day?
As of June 2025, there are 2 flights per day flying from Philadelphia to Key West. The most common time of day flights depart is 10:00AM, with 100% of flights taking off at noon.
How many flights depart from Philadelphia to Key West on average per week?
As of June 2025, 18 flights take off from Philadelphia and land in Key West each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.
When to book flights from Philadelphia to Key West
Cheap Philadelphia to Key West (PHL to EYW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Key West
How far is Philadelphia to Key West by plane?
Philadelphia and Key West are 1131.0 mi apart from one another. 3h 04m is a normal flight duration for this route.
When did momondo last update prices for flights from Philadelphia Airport to Key West Airport?
Prices for flights from Philadelphia Airport to Key West Airport were last updated today.
How many operators does momondo search for flights from Philadelphia Airport to Key West Airport?
The number of operators available for flights from Philadelphia Airport to Key West Airport is 3 as of June 2025.
How old do you have to be to fly from Philadelphia Airport to Key West Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents you'll need for your trip to Key West Airport 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 Key West Airport. 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 Philadelphia to Key West?
momondo data reveals that the most frequently booked plane model on the route from Philadelphia to Key West is Airbus A319, representing 60.30% of all bookings. The subsequent popular models are Embraer 175 at 34.64%, Airbus A321neo at 1.50%, and Airbus A320-100/200 at 1.12%.
What is the most popular airline from Philadelphia to Key West?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Key West is American Airlines (97% of total bookings). The next most popular airlines are Delta (3%) and United Airlines (1%).
Best airlines flying from Philadelphia to Key West
Compare and see reviews for airlines that fly from Philadelphia to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $288 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $390 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $393 | Free Cancellation | Rating 7.2 10,000 reviews |
American Airlines Flights From Philadelphia to Key West
The lowest priced American Airlines flight from Philadelphia to Key West from the last 72 hours was $393. Generally, American Airlines has 6 flights on this route every week with an average price of $538. American Airlines is rated 7.2/10 by our users.
Traveling to a place near Key West?
Book flights to Key West if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Philadelphia to Key West?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Key West for you.
Can I find flights from Philadelphia to Key West with flexible booking policies on momondo?
momondo does allow users to show only those flights to Key West from Philadelphia which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Philadelphia 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 Philadelphia.
I’m not ready to book a flight from Philadelphia to Key West right now. Can momondo alert me if prices change?
Price alerts on flights to Key West from Philadelphia 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.