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

LON — PHL
28 Oct — 4 Nov1
1 adult
1 adult, Economy, 0 bags

Find British Airways flight deals from London to Philadelphia

Enter your travel dates to find the best prices.

Cheapest British Airways flights from London to Philadelphia

Wed 7/1013:25 -
1 stop10h 30m
Wed 21/1018:45 -
Nonstop7h 05m
Deal found 26/9£586
Tue 6/1013:25 -
1 stop10h 30m
Wed 28/1018:40 -
1 stop11h 30m
Deal found 26/9£590
Wed 7/1013:25 -
1 stop10h 30m
Sat 17/1019:35 -
Nonstop7h 15m
Deal found 25/9£593
  • How do most travelers feel about British Airways?

    8,236 Cheapflights users have left reviews for British Airways and have rated the airline 6.7/10. If you are looking to travel from London to Philadelphia on British Airways, input your dates in the form above for our best prices!

  • Can I get a flight from London to Philadelphia on British Airways for under £679?

    Cheapflights currently has 11 LON-PHL flights for under £679. 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.

British Airways flights from London to Philadelphia in 2026

One-way from

£396

Return from

£586

Popular in

August

Cheapest in

January

Average price (all airlines)

£673
British Airways
  • British Airways
  • 24/11-31/12
  • 1 total stop
  • 12h 30m total
  • London to Philadelphia
British Airways
  • British Airways
  • 27/11-30/11
  • 2 total stops
  • 22h 55m total
  • London to Philadelphia
Highest demand for flights from London to Philadelphia; 10% potential price increase.
Best time to find cheap flights from London to Philadelphia; 2% potential price drop.
Average price for all London to Philadelphia flights (one-way and round-trip).

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

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

Weekly British Airways flight availability from London to Philadelphia

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

Rainfall in Philadelphia 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

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).

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 11 days before departure. On average, fares are higher if you book 50 days before departure.

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

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See what others are saying about British Airways

British Airways
6.7
Okay
8,238 reviews
Overview

Boarding

7.0

Crew

7.7

Entertainment

6.5

Food

6.4

Comfort

6.8

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