PHL - YXU

$679 Find Cheap Flights from Philadelphia to London

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to London departing on 1/2. 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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0 bags

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Philadelphia to London, 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 Philadelphia to London, as well as popular online travel agencies
In the last 7 days travelers have searched 47,946,175 times on KAYAK, and here is why:

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Cheap Flight Deals from Philadelphia to London (PHL-YXU)

 
These are the cheapest deals for flights from Philadelphia to London 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 Philadelphia to London

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

Recent one-way flight deals from Philadelphia to London

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

Recent last minute flight deals from Philadelphia to London

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

Recent direct flight deals from Philadelphia to London

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

Cheap bus & train deals from Philadelphia to London

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

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
7:20 am - 11:20 amPHL-YXU
28h 00m2 stops
5:45 am - 12:05 amYXU-PHL
18h 20m2 stops
Thu, Jan 2 - Wed, Jan 8
4:25 pm - 8:20 pmPHL-YXU
3h 55m1 stop
5:45 am - 2:50 pmYXU-PHL
9h 05m2 stops
$681Air Canada
Find Deal
Thu, Jan 2 - Wed, Jan 8
4:25 pm - 8:20 pmPHL-YXU
3h 55m1 stop
9:55 am - 3:45 pmYXU-PHL
5h 50m1 stop
$683Air Canada
Find Deal
Thu, Jan 2 - Wed, Jan 8
7:20 am - 11:20 amPHL-YXU
28h 00m3 stops
5:45 am - 12:05 amYXU-PHL
18h 20m3 stops
Thu, Jan 2 - Wed, Jan 8
9:00 am - 2:50 pmPHL-YXU
5h 50m1 stop
9:55 am - 3:45 pmYXU-PHL
5h 50m1 stop
Thu, Dec 19 - Wed, Dec 25
9:00 am - 2:50 pmPHL-YXU
5h 50m1 stop
5:45 am - 9:40 pmYXU-PHL
15h 55m2 stops
$768United Airlines
Find Deal
Thu, Dec 19 - Wed, Dec 25
9:00 am - 2:50 pmPHL-YXU
5h 50m1 stop
9:55 am - 3:45 pmYXU-PHL
5h 50m1 stop
$774United Airlines
Find Deal
Fri, Jan 3 - Fri, Jan 10
9:00 am - 2:50 pmPHL-YXU
5h 50m1 stop
5:45 am - 2:24 pmYXU-PHL
8h 39m2 stops
$789United Airlines
Find Deal
Fri, Jan 3 - Fri, Jan 10
6:15 am - 8:20 pmPHL-YXU
14h 05m2 stops
9:55 am - 9:40 pmYXU-PHL
11h 45m2 stops
$799Air Canada
Find Deal
Thu, Dec 19 - Wed, Dec 25
10:32 am - 8:20 pmPHL-YXU
9h 48m2 stops
5:45 am - 2:11 pmYXU-PHL
8h 26m2 stops
$885United Airlines
Find Deal
Fri, Jan 3 - Fri, Jan 10
PHL-YXU
375 mimulti-stop
Multiple Airlines
Find Deal

Good to know

Cheapest flight

$679
Flight from Philadelphia to London

When to book flights from Philadelphia to London

Are your dates flexible? Find out the best times to travel from Philadelphia to London 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 Philadelphia to London

  • What is the cheapest flight from Philadelphia to London?

    In the last 3 days, the lowest price for a flight from Philadelphia to London was $679 for a round-trip ticket.

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

    Yes, you'll most likely have to show a valid passport before boarding the plane in Philadelphia and on arrival in London.

  • Which airports will I be using when flying from Philadelphia to London?

    On your way to London, you’ll fly out from Philadelphia. You’ll be landing at London.

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

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

  • Which airline alliances offer flights from Philadelphia to London?

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

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

    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 Philadelphia to London.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Philadelphia 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 Philadelphia to London?

    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 London with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and YXU 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 Philadelphia to London?

    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 London from Philadelphia 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 Philadelphia to London

One-way flight deals

multi-stopMultiple Airlines
375 miPHL-YXU

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Everything you need to know for your flight from Philadelphia to London

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