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

LHR — PHL
11 Aug — 18 Aug1
1 adult

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 2025

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 6 August 2025.

One-way from

£525

Return from

£485

Popular in

July

Cheapest in

March

Average price (all airlines)

£681
British Airways
  • British Airways
  • 19/11
  • Nonstop
  • 8h 05m total
  • London to Philadelphia
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British Airways
  • British Airways
  • 27/8-23/9
  • 1 total stop
  • 19h 30m total
  • London to Philadelphia
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Highest demand for flights from London Heathrow to Philadelphia; 11% potential price increase.
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Best time to find cheap flights from London Heathrow to Philadelphia; 2% potential price drop.
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Average price for all London Heathrow to Philadelphia flights (one-way and round-trip).
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  • Can I get a flight from London Heathrow Airport to Philadelphia on British Airways for under £1,000?

    Cheapflights currently has 11 LHR-PHL flights for under £1,000. 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.

  • How do most travelers feel about British Airways?

    When planning your LHR-PHL trip, keep in mind that British Airways is typically rated 7.4/10. This rating comes from 8,916 reviews by Cheapflights users who have traveled with British Airways.

Find British Airways flight deals from Heathrow to Philadelphia

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 6 August 2025.

Wed 27/806:45LHR - PHL
1 stop12h 20mBritish Airways
Tue 23/918:30PHL - LHR
Nonstop7h 10mBritish Airways
Deal found 4/8£485
Wed 10/907:55LHR - PHL
1 stop11h 00mBritish Airways
Mon 15/918:30PHL - LHR
Nonstop7h 10mBritish Airways
Deal found 4/8£487
Mon 8/910:05LHR - PHL
Nonstop8h 00mBritish Airways
Mon 15/915:55PHL - LHR
1 stop10h 55mBritish Airways
Deal found 4/8£488

Travel insights for British Airways flights from Heathrow to Philadelphia

Get recent, data-driven insights about British Airways flights from Heathrow to Philadelphia including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Philadelphia with British Airways?

Use this chart to determine the optimal time to book a return flight from Heathrow to Philadelphia. Price data was last updated on 1 August 2025.

Booking with British Airways 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Philadelphia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Philadelphia with British Airways?

Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to Philadelphia in November, with an average price of £321. Conversely, traveling with British Airways from London Heathrow Airport to Philadelphia in July will be the most expensive, with an average cost of £402. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly British Airways flight availability from London Heathrow Airport to Philadelphia

The most British Airways flights from LHR to PHL are scheduled on a Monday (3 on average). You will have fewer British Airways flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 inches per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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.

Browse thousands of different options on Cheapflights for your next trip

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Fly from Heathrow to Philadelphia on another airline

Consider alternative airlines that service the Philadelphia area. Flight routes are based on user searches made on Cheapflights and were last updated on 6 August 2025.
Finnair flights from London Heathrow to Philadelphia

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 6 August 2025.
British Airways
6.6
Okay
7,237 reviews
Check prices
Overview

Comfort

6.7

Entertainment

6.4

Boarding

6.9

Crew

7.6

Food

6.3

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