British Airways flights from London Heathrow Airport to Philadelphia (LHR - PHL)

LHR — PHL
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Philadelphia on British Airways typically fly into Philadelphia and depart from London Heathrow. Select your dates above for pricing.

British Airways flights from Heathrow to Philadelphia in 2026

Find detailed information about British Airways flights from Heathrow to Philadelphia. Explore the options provided by British Airways to plan your journey from Heathrow to Philadelphia. Data last updated 12 May 2026.

One-way from

£456

Return from

£608

Popular in

December

Cheapest in

September

Average price (all airlines)

£614
British Airways
  • British Airways
  • 4/9
  • Nonstop
  • 8h 00m total
  • London to Philadelphia
British Airways
  • British Airways
  • 28/10-3/12
  • 1 total stop
  • 19h 35m total
  • London to Philadelphia
Highest demand for flights from London Heathrow to Philadelphia; 0% potential price increase.
Best time to find cheap flights from London Heathrow to Philadelphia; 1% potential price drop.
Average price for all London Heathrow to Philadelphia flights (one-way and round-trip).
  • How do most travelers feel about British Airways?

    When planning your LHR-PHL trip, keep in mind that British Airways is typically rated 6.7/10. This rating comes from 7,972 reviews by Cheapflights users who have traveled with British Airways.

  • Can I get a flight from London Heathrow Airport to Philadelphia on British Airways for under £661?

    Cheapflights currently has 12 LHR-PHL flights for under £661. Flights to Philadelphia will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

Find British Airways flight deals from Heathrow to Philadelphia

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Cheapest British Airways flights from Heathrow to Philadelphia
Explore the most affordable British Airways flight options available from Heathrow to Philadelphia. Find the lowest fares with prices last updated on 12 May 2026.

Wed 17/618:05
LHR
-
PHL
1 stop20h 34m
British Airways
Thu 9/712:42
PHL
-
LHR
1 stop13h 08m
British Airways
Deal found 8/5£626
Mon 8/613:00
LHR
-
PHL
1 stop13h 10m
British Airways
Sun 14/621:57
PHL
-
LHR
1 stop27h 18m
British Airways
Deal found 9/5£632
Wed 24/607:55
LHR
-
PHL
1 stop10h 55m
British Airways
Mon 29/618:45
PHL
-
LHR
Nonstop7h 05m
British Airways
Deal found 10/5£649

When is the best time to book a flight to Philadelphia with British Airways?

The best time to book a flight to Philadelphia with British Airways is 51 days before departure. On average, fares are higher if you book on the same day as departure.

Which month is the cheapest to fly Economy class from London Heathrow Airport to Philadelphia?

For Economy class flights, the cheapest month to fly this route is September. The most expensive months are December and July.

Best time to book a flight from Heathrow to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Other British Airways flights from Heathrow

Browse through other British Airways flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 12 May 2026.

See what others are saying about British Airways

Read reviews and see what other travellers are saying about their experiences with British Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing British Airways for your next flight. Reviews last updated 12 May 2026.
British Airways
6.7
Okay
7,972 reviews
Overview

Entertainment

6.4

Crew

7.7

Comfort

6.8

Boarding

6.9

Food

6.4

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