Cheap Flight Deals From Philadelphia (ILG) to London (LON) Starting at $411

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from Philadelphia to London

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Airfares from $411 One Way, $670 Round Trip from Philadelphia to London

Prices starting at $670 for return flights and $411 for one-way flights to London were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

London economy flight packages

Dukes London
The Ampersand Hotel
The Londoner
Don't see what you're looking for?
See all available trips from Philadelphia to London
View all trips

More About Flying To London from Philadelphia

Route Information for Flights from Philadelphia to London

Origin Airport IATA Code ILG
Destination Airport IATA Code LON
Distance 3535 mi
Direct Flight Airlines American Airlines, Qatar Airways, Aer Lingus, Finnair, Iberia, Malaysia Airlines, EL AL, British Airways
Earliest Flight Arrival 5:50AM UTC
Latest Flight Arrival 9:30AM UTC

Get a discount on your flights from Philadelphia to London by checking out the bargain rates you can find on Orbitz!

Flights from Philadelphia to London depart regularly from Philadelphia International Airport. The largest airport in the Delaware River Region, Philadelphia International is easily accessed from downtown Philadelphia, as taxies to the airport charge a flat rate and regional rail service (SEPTA's Airport line) service its terminals. If your flights from Philadelphia to London are during spring or Thanksgiving breaks, many local schools operate shuttles to the Airport as a benefit to students! The exhibitions program at the Philadelphia airport provides art exhibits throughout the concourses and terminals for you to peruse while waiting for your Philadelphia to London flights. If you're hungry, don't forget to stop and grab something to eat or drink at the airport's large shopping concourse!

Disembark from your Philadelphia to London flights at London Heathrow Airport. London weather is more temperate than Philadelphia's, so you'll only have to prepare for maximum temperatures of the mid-70s in the middle of summer and almost freezing temperatures in winter (which is nothing compared to chilly Philly winter temperatures!). Signs will direct you from your Philadelphia to London flights to passport control, baggage claim and then customs. Once through these checkpoints, you'll find it easy to get where you need to be, as transportation information and directions are available at the airport's information desks, whose staff will direct you to buses, trains, taxis or rental cars.

Frequently asked questions

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.