Cheapest one-way flights from Philadelphia to London in April from 315€

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to London (LHR) in April 2026 (see full year).

One-Way flights

20 Apr Spirit Airlines
30 Apr Spirit Airlines
26 Apr Aer Lingus
11 Apr Frontier Airlines
02 Apr Frontier Airlines
01 Apr Spirit Airlines
23 Apr Spirit Airlines
01 Apr British Airways direct
20 Apr British Airways direct
26 Apr British Airways direct

Also check the deals for return 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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