Cheapest return flights from Philadelphia to London in April from 545€

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 - 15 Apr Frontier Airlines
05 Apr - 13 Apr Frontier Airlines
13 Apr - 18 Apr Frontier Airlines
07 Apr - 11 Apr Spirit Airlines
04 Apr - 12 Apr Frontier Airlines
24 Apr - 29 Apr Spirit Airlines
17 Apr - 21 Apr Frontier Airlines
02 Apr - 08 Apr Aer Lingus

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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