Cheapest return flights from Philadelphia to London in April from 457€

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

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

Return flights

07 Apr - 22 Apr Spirit Airlines
14 Apr - 24 Apr Spirit Airlines
09 Apr - 21 Apr Spirit Airlines
04 Apr - 10 Apr Frontier Airlines
02 Apr - 09 Apr Spirit Airlines
25 Apr - 28 Apr jetBlue
24 Apr - 04 May Spirit Airlines
27 Apr - 30 Apr Spirit Airlines
15 Apr - 22 Apr Frontier Airlines
25 Apr - 02 May Frontier Airlines
09 Apr - 20 Apr Frontier Airlines
04 Apr - 12 Apr Spirit Airlines
16 Apr - 19 May Spirit Airlines

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

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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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