Cheap Flights from Philadelphia to Key West International

Compare Philadelphia to Key West International flight deals

Find the cheapest month or even day of the year to fly to Key West International

Book the best Key West International fare with no extra fees

Flight deals from Philadelphia to Key West International

Looking for a cheap last-minute deal or the best return flight from Philadelphia to Key West International? Find the lowest prices on one-way and return tickets right here.

Key West.£306 per passenger.Departing Sat, 17 Aug, returning Sat, 24 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 17 Aug, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Sat, 24 Aug, arriving in Philadelphia International.Price includes taxes and charges.From £306, select.

Key West.£306 per passenger.Departing Tue, 1 Oct, returning Sat, 5 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Tue, 1 Oct, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Sat, 5 Oct, arriving in Philadelphia International.Price includes taxes and charges.From £306, select.

Key West.£438 per passenger.Departing Sat, 15 Mar, returning Sat, 22 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Sat, 15 Mar, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Sat, 22 Mar, arriving in Philadelphia International.Price includes taxes and charges.From £438, select.

Key West.£438 per passenger.Departing Thu, 9 May, returning Mon, 13 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Philadelphia International on Thu, 9 May, arriving in Key West International.Inbound indirect flight with Delta, departs from Key West International on Mon, 13 May, arriving in Philadelphia International.Price includes taxes and charges.From £438, select.

Stay one step ahead. Find the best value travel with the latest deals, tips and news.

Find the cheapest month to fly from Philadelphia to Key West International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia to Key West International flights are currently cheapest in August.

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Direct flights from Philadelphia to Key West International

Philadelphia to Key West International: Alternative routes

Compare routes from Philadelphia to Key West below. You may find an airport to fly into that's cheaper, faster, or easier than Key West International.

Philadelphia to Key West: Flight information

The things to know before you go.

Cheapest flight found	£306
Cheapest month to fly	August
Average flight time	3 hrs, 11 mins
Most popular airline	American Airlines
Average flights per week	15

Finding cheap flights from Philadelphia to Key West International: Frequently asked questions

: The best price we found for a return flight from Philadelphia to Key West International is £306. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
: 3 hours and 11 minutes is the average flight time from Philadelphia to Key West International.
: American Airlines, Alaska Airlines and Republic Airways fly direct from Philadelphia to Key West International.
: As of April 2024, there are 15 flights per week flying from Philadelphia to Key West International.
: The cheapest month to fly from Philadelphia to Key West International is usually August.
: After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Key West International Airport on Saturday, 17 August 2024.
: Yes – the average flight time is 3 hours and 11 minutes.
: We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Key West International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
: We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Key West International is around 40 days in advance, so don’t leave your flight to the last minute.
: The cheapest airline that flies to Key West International is Delta .

How to find cheap flights to Key West International from Philadelphia

Looking for cheap tickets from Philadelphia to Key West International? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Philadelphia to Key West International. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to Key West International from Philadelphia from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
Flex your dates to find the best Philadelphia-Key West International ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Key West International from Philadelphia.
Set up a Price Alert. You can easily track the fare of your cheap Philadelphia-Key West International flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between Philadelphia and Key West International? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business class flights from Philadelphia and Key West International. We scour the internet for the best Business, Premium Economy and First Class flight fares to Key West International, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Philadelphia to Key West International flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

Combine your flight to Key West International from Philadelphia with hotels and car hire

Once you've secured your cheap flight ticket from Philadelphia to Key West International, discover the best prices and exclusive rates for hotels in Key West International or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.

Plan the rest of your trip from Philadelphia to Key West

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.