C$ 461 Find Cheap Flights from Philadelphia to London – Compare and Save

These are the earliest and latest flight times available from Philadelphia to London Heathrow Airport:

• Earliest: departs at 6:35 pm and lands at 1:42 am
• Latest: departs at 10:40 pm and lands at 5:47 am.

The flight takes about 7h 07m.

A direct flight from Philadelphia to London Heathrow Airport takes 7h 07m, covering 9,150 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Philadelphia to London Heathrow Airport range from C$ 1,019 to C$ 1,706, with an average of C$ 1,293 over the past 12 months. Anything below C$ 1,019 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 26% above the C$ 1,293 route average. Book 10 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 1,131 round-trip via Frankfurt am Main (FRA), compared to C$ 1,333 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 100–C$ 142 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A350-1000 family is used most often on this route, operated mainly by British Airways and Iberia. Other aircraft seen on the route include Boeing 787-9 Dreamliner variants.

Evening is the busiest departure period on Philadelphia to London Heathrow Airport flights, with 100% leaving in that window. Morning departures account for 0%, Afternoon flights for 0%, and Night flights for 0%.

Four airlines offer in-flight Wi-Fi on Philadelphia to London Heathrow Airport flights:

• British Airways
• American Airlines
• Iberia
• Finnair

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Philadelphia to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about C$ 483, which is 39% below the typical average for this route.

London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around C$ 10 for economy cars. Top options include:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz

Flights from Philadelphia to London Heathrow Airport usually depart from Philadelphia (PHL) and arrive at London Heathrow (LHR).

One-stop flights from Philadelphia to London Heathrow Airport most commonly connect through:

• Boston Logan Intl (BOS) – 51% of one-stop connections
• Dublin (DUB) – 45% of one-stop connections
• Montreal Pierre Elliott Trudeau Intl (YUL) – 2% of one-stop connections
• Toronto Pearson Intl (YYZ) – 1% of one-stop connections

Yes. Flexible dates can save you up to 19% on flights from Philadelphia to London Heathrow Airport. Wednesday is the cheapest departure day at C$ 1,168 round-trip on average, while Sunday is the most expensive at C$ 1,435, a difference of C$ 268.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Philadelphia and London Heathrow Airport. The airlines offering direct flights on this route include:

• American Airlines
• British Airways

Flying via Dublin (DUB) gives the shortest average 1-stop total travel time at 10h 32m, compared with 10h 46m via Washington, D.C. Dulles Intl (IAD) and 11h 22m via Charlotte Douglas (CLT).

London Heathrow Airport is 5 hours ahead of Philadelphia (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in London Heathrow Airport are Trafalgar Square, Hyde Park, and London Eye. These are among the most viewed places in London Heathrow Airport on KAYAK.

Among airlines operating Philadelphia to London Heathrow Airport flights:

• British Airways: offers extra legroom
• American Airlines: offers extra legroom; offers free seat selection
• Iberia: offers free seat selection
• Finnair: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• British Airways: a carry-on bag and a checked bag in Economy Class
• American Airlines: a carry-on bag and a checked bag in Economy Class
• Iberia: a carry-on bag and a checked bag in Economy Class

Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.