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KLU - PHL

$638 Find Cheap Flights from Klagenfurt to Philadelphia

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Klagenfurt to Philadelphia departing on 12/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Klagenfurt to Philadelphia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Klagenfurt to Philadelphia, as well as popular online travel agencies
In the last 7 days travelers have searched 46,479,581 times on KAYAK, and here is why:

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Cheap Flight Deals from Klagenfurt to Philadelphia (KLU-PHL)

 
These are the cheapest deals for flights from Klagenfurt to Philadelphia currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Klagenfurt to Philadelphia

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Klagenfurt to Philadelphia.

Recent one-way flight deals from Klagenfurt to Philadelphia

Only flying one-way? Below are some of the best one-way flight deals from Klagenfurt to Philadelphia found on KAYAK recently.

Recent last minute flight deals from Klagenfurt to Philadelphia

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Klagenfurt to Philadelphia.

Recent direct flight deals from Klagenfurt to Philadelphia

The latest deals for direct flights from Klagenfurt to Philadelphia so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Klagenfurt to Philadelphia

Find recent round-trip train or bus tickets from Klagenfurt to Philadelphia.

All round-trip flight deals to Philadelphia

The cheapest plane tickets to Philadelphia found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
5:45 am - 4:00 pmKLU-PHL
40h 15m2 stops
9:00 am - 2:00 pmPHL-KLU
23h 00m2 stops
$638Austrian Airlines
Find Deal
Sat, Dec 14 - Wed, Jan 15
2:50 pm - 4:00 pmKLU-PHL
31h 10m2 stops
9:00 am - 2:00 pmPHL-KLU
23h 00m2 stops
$639Austrian Airlines
Find Deal
Sat, Dec 14 - Wed, Jan 15
5:45 am - 10:36 pmKLU-PHL
22h 51m3 stops
9:00 am - 2:00 pmPHL-KLU
23h 00m2 stops
$2,403
Find Deal
Sat, Dec 14 - Wed, Jan 15
5:45 am - 10:36 pmKLU-PHL
22h 51m3 stops
9:00 am - 2:00 pmPHL-KLU
23h 00m2 stops
$2,410
Find Deal
Sat, Dec 14 - Wed, Jan 15
KLU-PHL
4277 mimulti-stop
Multiple Airlines
Find Deal

Good to know

Cheapest flight

$638
Flight from Klagenfurt to Philadelphia

When to book flights from Klagenfurt to Philadelphia

Are your dates flexible? Find out the best times to travel from Klagenfurt to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Klagenfurt to Philadelphia

  • What is the cheapest flight from Klagenfurt to Philadelphia?

    In the last 3 days, the lowest price for a flight from Klagenfurt to Philadelphia was $638 for a round-trip ticket.

  • Do I need a passport to fly between Klagenfurt and Philadelphia?

    Yes, you’ll need a passport to travel to Philadelphia from Klagenfurt.

  • Which aircraft models fly most regularly from Klagenfurt to Philadelphia?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Klagenfurt to Philadelphia?

    Star Alliance is the only airline alliance operating flights between Klagenfurt and Philadelphia.

  • How does KAYAK find such low prices on flights from Klagenfurt to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Klagenfurt to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Klagenfurt to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Klagenfurt is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Klagenfurt to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Klagenfurt with another airline. Booking your flights between Klagenfurt and PHL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Klagenfurt to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Klagenfurt up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Klagenfurt to Philadelphia

One-way flight deals

multi-stopMultiple Airlines
4277 miKLU-PHL

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