Cheapest return flights from Philadelphia to London in April from $460

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

08 Apr - 29 Apr Spirit Airlines
24 Apr - 30 Apr Spirit Airlines
30 Apr - 11 May Spirit Airlines
08 Apr - 22 Apr Spirit Airlines
30 Apr - 04 May Spirit Airlines
24 Apr - 28 Apr Spirit Airlines
08 Apr - 15 Apr Spirit Airlines
23 Apr - 07 May Spirit Airlines
29 Apr - 20 May Spirit Airlines
30 Apr - 21 May Spirit Airlines
09 Apr - 16 Apr Frontier Airlines
01 Apr - 08 Apr Spirit Airlines
24 Apr - 04 May Spirit Airlines
10 Apr - 14 Apr Frontier Airlines
24 Apr - 03 May Spirit Airlines
24 Apr - 27 Apr Spirit Airlines
10 Apr - 15 Apr Frontier Airlines
29 Apr - 09 May Frontier Airlines
22 Apr - 06 May Spirit Airlines
26 Apr - 03 May Frontier 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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