AirHint found the following cheapest return flights from Pittsburgh (PIT) to London (LHR) in April 2026 (see full year).

Return flights

06 Apr - 15 Apr	Air Canada
01 Apr - 08 Apr	Delta
28 Apr - 19 May	Air Canada
01 Apr - 10 Apr	Air Canada
01 Apr - 10 Apr	British Airways	direct
06 Apr - 15 Apr	British Airways	direct
24 Apr - 28 Apr	Air Canada
24 Apr - 27 Apr	Air Canada
04 Apr - 11 Apr	Air Canada
24 Apr - 28 Apr	British Airways	direct
28 Apr - 19 May	Finnair	direct
24 Apr - 27 Apr	British Airways	direct

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

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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Cheapest return flights from Pittsburgh to London in April from 576€

Return flights