Cheapest return flights from Philadelphia to London in June from 999€

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

03 Jun - 17 Jun Aer Lingus
05 Jun - 11 Jun Aer Lingus
10 Jun - 17 Jun United
10 Jun - 14 Jun jetBlue
01 Jun - 14 Jun Air Canada
12 Jun - 20 Jun United
05 Jun - 12 Jun United
01 Jun - 14 Jun Iberia direct
06 Jun - 14 Jun Aer Lingus
24 Jun - 08 Jul Finnair
09 Jun - 30 Jun Finnair
25 Jun - 02 Jul United
28 Jun - 08 Jul Aer Lingus
24 Jun - 08 Jul Iberia direct
19 Jun - 10 Jul Finnair
19 Jun - 10 Jul British Airways direct
30 Jun - 07 Jul United
27 Jun - 14 Jul Finnair
27 Jun - 06 Jul Air Canada
20 Jun - 05 Jul Finnair

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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