Cheapest return flights from Pittsburgh to London in December from 468€

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

Return flights

10 Dec - 08 Jan Air Canada
08 Dec - 28 Jan British Airways direct
03 Dec - 10 Dec British Airways direct
05 Dec - 08 Dec Spirit Airlines
02 Dec - 09 Dec British Airways
10 Dec - 15 Dec Air Canada
08 Dec - 15 Dec British Airways direct
12 Dec - 19 Dec British Airways
10 Dec - 16 Dec Air Canada
08 Dec - 18 Jan British Airways
11 Dec - 16 Dec Iberia
07 Dec - 14 Dec British Airways
07 Dec - 18 Jan British Airways
10 Dec - 07 Jan jetBlue
04 Dec - 08 Dec Spirit Airlines
10 Dec - 07 Jan British Airways direct
13 Dec - 23 Jan Air Canada
13 Dec - 19 Jan Air Canada
13 Dec - 18 Jan Air Canada
14 Dec - 07 Jan Air Canada

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

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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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