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British Airways flights from London to Philadelphia (LON - PHL)

LON — PHL
12 out — 19 out1
1 adult
1 adult, Economy

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 London to Philadelphia in 2025

Find detailed information about British Airways flights from London to Philadelphia. Explore the options provided by British Airways to plan your journey from London to Philadelphia. Data last updated 12 setembro 2025.

One-way from

£391

Return from

£449

Popular in

August

Cheapest in

February

Average price (all airlines)

£498
British Airways
  • British Airways
  • 11/12
  • 2 total stops
  • 18h 33m total
  • London to Philadelphia
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British Airways
  • British Airways
  • 28/11-3/12
  • 2 total stops
  • 22h 55m total
  • London to Philadelphia
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Highest demand for flights from London to Philadelphia; 7% potential price increase.
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Best time to find cheap flights from London to Philadelphia; 2% potential price drop.
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Average price for all London to Philadelphia flights (one-way and round-trip).
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  • Can I get a flight from London to Philadelphia on British Airways for under £700?

    Cheapflights currently has 22 LON-PHL flights for under £700. 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?

    8,937 Cheapflights users have left reviews for British Airways and have rated the airline 7.4/10. If you are looking to travel from London to Philadelphia on British Airways, input your dates in the form above for our best prices!

Find British Airways flight deals from London to Philadelphia

Cheapest British Airways flights from London to Philadelphia
Explore the most affordable British Airways flight options available from London to Philadelphia. Find the lowest fares with prices last updated on 12 setembro 2025.

qua 8/1012:30LHR - PHL
Nonstop8h 05mBritish Airways
qua 15/1019:50PHL - LHR
Nonstop7h 05mBritish Airways
Deal found 10/9£451
ter 28/1010:15LHR - PHL
Nonstop8h 00mBritish Airways
ter 11/1118:35PHL - LHR
Nonstop7h 00mBritish Airways
Deal found 10/9£454
seg 22/910:05LHR - PHL
Nonstop8h 00mBritish Airways
seg 29/917:14PHL - LHR
1 stop9h 36mBritish Airways
Deal found 11/9£461

Travel insights for British Airways flights from London to Philadelphia

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

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

Use this chart to determine the optimal time to book a return flight from London to Philadelphia. Price data was last updated on 5 September 2025.

Booking with British Airways 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from London 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 to Philadelphia with British Airways?

Currently, the most affordable month to book a British Airways flight from London to Philadelphia in November, with an average price of £289. Conversely, traveling with British Airways from London to Philadelphia in December will be the most expensive, with an average cost of £351. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly British Airways flight availability from London to Philadelphia

The most British Airways flights from LON 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 London to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from London 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 London

Browse through other British Airways flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 12 setembro 2025.
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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 setembro 2025.
British Airways
6.6
Okay
7,361 reviews
Check prices
Overview

Boarding

6.9

Crew

7.6

Entertainment

6.4

Comfort

6.7

Food

6.3

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