Cheapest return flights from Philadelphia to London in June from $551

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

23 Jun - 26 Jun Frontier Airlines
16 Jun - 26 Jun Spirit Airlines
08 Jun - 13 Jun Frontier Airlines
10 Jun - 15 Jun Spirit Airlines
11 Jun - 13 Jun Frontier Airlines
09 Jun - 14 Jun Frontier Airlines
07 Jun - 21 Jun Spirit Airlines
13 Jun - 21 Jun Frontier Airlines
16 Jun - 23 Jun Spirit Airlines
03 Jun - 09 Jun Spirit Airlines
24 Jun - 04 Jul Spirit Airlines
24 Jun - 05 Jul Spirit Airlines
25 Jun - 04 Jul Spirit Airlines
26 Jun - 04 Jul Frontier Airlines
28 Jun - 05 Jul Spirit Airlines
24 Jun - 15 Jul Spirit Airlines
23 Jun - 06 Jul Spirit Airlines
26 Jun - 01 Jul Sun Country Airlines
24 Jun - 06 Jul Spirit Airlines
27 Jun - 01 Jul Spirit Airlines

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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