Cheapest one-way flights from Philadelphia to London in May from $220

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

One-Way flights

02 May Frontier Airlines
03 May Frontier Airlines
06 May Frontier Airlines
10 May Lufthansa
12 May Aer Lingus
09 May Frontier Airlines
18 May Frontier Airlines
15 May Frontier Airlines
17 May TAP
08 May Frontier Airlines

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

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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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