Cheapest return flights from Philadelphia to London in October from $592

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

AirHint found the following cheapest return flights from Philadelphia (PHL) to London (LHR) in October 2025 (see full year).

Return flights

11 Oct - 16 Oct jetBlue
02 Oct - 22 Oct jetBlue
27 Oct - 03 Nov United
02 Oct - 22 Oct British Airways direct
17 Oct - 24 Oct United
18 Oct - 23 Oct jetBlue
18 Oct - 23 Oct British Airways direct
11 Oct - 16 Oct British Airways direct

Also check the deals for one-way flights from Philadelphia to London in October.

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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