Cheapest return flights from Philadelphia to London in June from $590

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

09 Jun - 17 Jun Delta
08 Jun - 18 Jun Delta
03 Jun - 17 Jun Delta
03 Jun - 22 Jul Delta
18 Jun - 26 Jun Delta
09 Jun - 16 Jun Delta
04 Jun - 09 Jun Delta
13 Jun - 18 Jun Delta
25 Jun - 30 Jun Delta
22 Jun - 29 Jun KLM
19 Jun - 02 Jul Delta
06 Jun - 09 Jun Delta
26 Jun - 04 Jul jetBlue
03 Jun - 22 Jul Iberia direct
26 Jun - 07 Jul Frontier Airlines
19 Jun - 02 Jul Iberia direct
26 Jun - 04 Jul Iberia direct
25 Jun - 05 Jul Iberia direct
25 Jun - 02 Jul British Airways direct
27 Jun - 04 Jul British Airways

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

Skyscanner

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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