Cheapest return flights from Philadelphia to London in October from $595

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

Return flights

29 Oct - 05 Nov British Airways
22 Oct - 29 Oct Air Canada
22 Oct - 28 Oct Air Canada
22 Oct - 31 Oct Aer Lingus
21 Oct - 03 Nov Lufthansa
21 Oct - 15 Nov Air Canada
24 Oct - 31 Oct British Airways
22 Oct - 01 Nov British Airways
22 Oct - 15 Nov British Airways
23 Oct - 06 Nov Air Canada
22 Oct - 31 Oct British Airways direct
27 Oct - 22 Nov British Airways
26 Oct - 15 Nov British Airways
29 Oct - 22 Nov British Airways
21 Oct - 03 Nov British Airways direct
25 Oct - 29 Oct Scandinavian Airlines
24 Oct - 31 Oct American Airlines direct
27 Oct - 31 Oct Scandinavian Airlines
23 Oct - 26 Oct United
26 Oct - 31 Oct Aer Lingus

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

Powered by

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.