Cheapest return flights from Pittsburgh to London in September from 492€

AirHint found the following cheapest return flights from Pittsburgh (PIT) to London (LHR) in September 2025 (see full year).

Return flights

26 Sep - 01 Oct Virgin Atlantic
18 Sep - 21 Sep jetBlue
28 Sep - 12 Oct Delta
29 Sep - 25 Oct Virgin Atlantic
30 Sep - 25 Oct Virgin Atlantic
28 Sep - 18 Oct Air Canada
21 Sep - 28 Sep Spirit Airlines
26 Sep - 18 Oct United
22 Sep - 18 Oct Spirit Airlines
20 Sep - 11 Oct Air Canada

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

Skyscanner

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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