Cheapest return flights from Philadelphia to London in June from $770

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

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

Return flights

03 Jun - 10 Jun jetBlue
04 Jun - 10 Jun jetBlue
04 Jun - 11 Jun jetBlue
06 Jun - 08 Jun jetBlue
04 Jun - 20 Jun jetBlue
17 Jun - 21 Jun Frontier Airlines
18 Jun - 21 Jun Frontier Airlines
01 Jun - 17 Jun Frontier Airlines
04 Jun - 04 Jul Frontier Airlines
20 Jun - 27 Jun Frontier Airlines
19 Jun - 28 Jun Icelandair

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

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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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