Cheapest return flights from Philadelphia to London in June from 1106€

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

12 Jun - 20 Jun Aer Lingus
01 Jun - 08 Jun United
12 Jun - 20 Jun Finnair direct
01 Jun - 22 Jun Aer Lingus
08 Jun - 21 Jun Aer Lingus
24 Jun - 22 Jul Aer Lingus
18 Jun - 05 Jul Aer Lingus
24 Jun - 22 Jul Finnair direct
01 Jun - 22 Jun Finnair direct
18 Jun - 05 Jul Finnair direct
08 Jun - 21 Jun Finnair direct
22 Jun - 29 Jun 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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