Cheapest return flights from Philadelphia to London in August from $484

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

Return flights

08 Aug - 25 Aug Spirit Airlines
06 Aug - 26 Aug Spirit Airlines
12 Aug - 26 Aug Spirit Airlines
12 Aug - 27 Aug Spirit Airlines
12 Aug - 02 Sep Spirit Airlines
19 Aug - 25 Aug Spirit Airlines
17 Aug - 27 Aug Spirit Airlines
26 Aug - 09 Sep jetBlue
27 Aug - 10 Sep jetBlue
20 Aug - 26 Aug Spirit Airlines
19 Aug - 26 Aug Spirit Airlines
12 Aug - 03 Sep Spirit Airlines
21 Aug - 26 Aug Spirit Airlines
23 Aug - 30 Aug Spirit Airlines
18 Aug - 10 Sep Spirit Airlines
19 Aug - 02 Sep Spirit Airlines
19 Aug - 06 Sep Spirit Airlines
31 Aug - 08 Sep Frontier Airlines
22 Aug - 08 Sep Spirit Airlines
31 Aug - 06 Sep Frontier Airlines

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

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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