AirHint found the following cheapest one-way flights from Philadelphia (PHL) to London (LHR) in August 2026 (see full year).
One-Way flights
| 15 Aug | jetBlue | ||
| 18 Aug | Lufthansa | ||
| 30 Aug | Lufthansa | ||
| 01 Aug | United | ||
| 30 Aug | British Airways | direct | |
| 18 Aug | Finnair | direct | |
| 15 Aug | Finnair | direct | |
| 01 Aug | British Airways | direct |
Also check the deals for return flights from Philadelphia to London in August.
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