Cheapest one-way flights from Philadelphia to London in August from $275

Best time to book flights for Philadelphia (PHL) to London (LHR) flights at AirHint

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to London (LHR) in August 2025 (see full year).

One-Way flights

01 Aug jetBlue
18 Aug jetBlue
08 Aug jetBlue
10 Aug Spirit Airlines
16 Aug jetBlue
26 Aug Spirit Airlines
26 Aug British Airways direct
05 Aug American Airlines direct
06 Aug American Airlines direct
04 Aug British Airways direct

Also check the deals for return flights from Philadelphia to London in August.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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