Cheapest return flights from Philadelphia to London in June from 923€

AirHint found the following cheapest return flights from Philadelphia (PHL) to London (LHR) in June 2026 (see full year).

Return flights

16 Jun - 23 Jun Frontier Airlines
10 Jun - 17 Jun British Airways direct
08 Jun - 21 Jun TAP
15 Jun - 23 Jun Frontier Airlines
27 Jun - 10 Jul WestJet
18 Jun - 23 Jun Frontier Airlines
25 Jun - 02 Jul jetBlue
28 Jun - 10 Jul Iberia
28 Jun - 10 Jul British Airways direct
26 Jun - 11 Jul Frontier Airlines
17 Jun - 29 Jun Delta
14 Jun - 20 Jun Finnair
24 Jun - 30 Jun Delta
10 Jun - 20 Jul Finnair
10 Jun - 20 Jul British Airways direct
24 Jun - 30 Jun Finnair direct
17 Jun - 28 Jun Delta
25 Jun - 02 Jul Finnair direct

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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