Cheapest one-way flights from Philadelphia to London in May from 317€

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to London (LHR) in May 2026 (see full year).

One-Way flights

04 May Aer Lingus
07 May Spirit Airlines
10 May Aer Lingus
01 May Spirit Airlines
04 May British Airways direct
10 May British Airways direct
11 May British Airways direct
01 May British Airways direct
07 May British Airways direct
22 May TAP

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

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.