Cheapest return flights from Pittsburgh to London in September from 456€

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

Return flights

12 Sep - 19 Sep Icelandair
09 Sep - 16 Sep SWISS
19 Sep - 26 Sep Icelandair
07 Sep - 16 Sep British Airways direct
09 Sep - 16 Sep British Airways direct
10 Sep - 17 Sep British Airways
05 Sep - 08 Sep Icelandair
03 Sep - 12 Sep British Airways
30 Sep - 07 Oct British Airways
23 Sep - 30 Sep British Airways
30 Sep - 08 Oct British Airways
04 Sep - 14 Sep Spirit Airlines
24 Sep - 02 Oct Air Canada
24 Sep - 03 Oct Air Canada
24 Sep - 01 Oct Air Canada
21 Sep - 11 Oct British Airways direct
29 Sep - 05 Oct British Airways
28 Sep - 05 Oct British Airways
28 Sep - 18 Oct British Airways
29 Sep - 06 Oct British Airways

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.