SAR1,405 Cheap Flights from Philadelphia (PHL) to London (LHR)

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Popular airlines from Philadelphia Intl. Airport (PHL) to Heathrow Airport (LHR)

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Cheap Flights from Philadelphia to London (PHL-LHR)

Prices were available within the past 7 days and start at SAR1,405 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Philadelphia (PHL) to London (LHR)
Origin airport
Philadelphia Intl.
Destination airport
Heathrow
Distance
5656 km
Average flight time
11 hours 59 mins

Philadelphia to London Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Philadelphia to London offer the perfect respite. Not only does exploring London provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Philadelphia to London may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of London are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to London more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to London is SAR1,405 now!

Frequently asked questions

How long does it take to fly from Philadelphia Intl. Airport (PHL) to LHR?
With American Airlines, a direct flight takes approximately 7 hours and 5 minutes. Lock in a seat on the 10:45PM flight from PHL and come in to land at LHR at 10:50AM. Snag an awesome deal on this and many other routes when you book your fare with Expedia.
Is it cheaper to buy a plane ticket from PHL to Heathrow Airport (LHR) last minute?
Booking your trip from PHL to London Heathrow at the last minute could save you money if you strike it lucky and find an awesome deal. However, fares generally don't get cheaper as the departure date nears. If you choose to wait, flights could also be sold out or the best seats taken (we hope you like the middle seat!). If you want to be on the safe side, book well ahead of your departure date. In fact, you can find some of the biggest deals up to 12 months in advance. If your favorite carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia constantly.
What airline has the least delays from Philadelphia Intl. Airport (PHL) to Heathrow Airport?
If you'd rather not be waiting for hours — or worse, have your vacation ruined due to a flight delay — opt for American Airlines. Around 86% of its Philadelphia Airport to LHR services land on schedule. You can look up your flight status before leaving for the airport through the free Expedia App. It'll also provide you with real-time notifications about other helpful info, such as gate number changes and how to get to your hotel. Everything you need to know is right there in your pocket!
What airports do you fly into for London from Philadelphia?
From Philadelphia, you can travel to London through Heathrow Airport (LHR), London City Airport (LCY) and Gatwick Airport (LGW). Be sure to check which hub is right for you before you make a decision. If you opt for Heathrow Airport (LHR), it's approximately 23 kilometers west of the center of the city. Use the money you save when booking your ticket with Expedia to uncover the city's top sights, such as Big Ben and Buckingham Palace.
What are the most popular departure times for flights from Philadelphia Intl. Airport (PHL) to Heathrow Airport?
Between 6:00 PM - 7:00 PM is when you'll find lots of British Airways flights departing from PHL to LHR. Our suggestion? Book a flight that departs sometime in the morning. With air traffic yet to build up, your odds of boarding a delay-free flight are higher.
Can I change the date of my flight from PHL to London Heathrow?
Plans can get upended, so Expedia is here to help make amending your trip as easy as possible. First, access your PHL to Heathrow Airport (LHR) itinerary through the Expedia Trips portal and read the ticket rules and conditions about what sorts of changes are allowed. If you purchased your fare in the last 24 hours, some carriers will allow you to cancel for free and book new flights. If you bought your fare more than 24 hours ago, contact us via our Customer Service portal to find out your options.

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