Cheapest return flights from Philadelphia to London in June from $775

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

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

Return flights

04 Jun - 13 Jun Aer Lingus
04 Jun - 13 Jun Iberia direct
03 Jun - 10 Jun Delta
06 Jun - 17 Jun Finnair
13 Jun - 17 Jun Finnair
06 Jun - 17 Jun Iberia direct
13 Jun - 17 Jun Iberia direct
06 Jun - 13 Jun United
07 Jun - 24 Jun jetBlue
25 Jun - 02 Jul American Airlines
24 Jun - 02 Jul American Airlines
18 Jun - 14 Jul Finnair
03 Jun - 22 Jul British Airways
24 Jun - 01 Jul United
16 Jun - 07 Jul Iberia
14 Jun - 27 Jun Air Canada
25 Jun - 02 Jul British Airways direct
24 Jun - 02 Jul British Airways direct
03 Jun - 22 Jul British Airways direct
29 Jun - 06 Jul United

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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