Cheapest return flights from Washington to London in December from $549

Best time to book flights for Washington (IAD) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to London (LHR) in December 2024 (see full year).

Return flights

02 Dec - 09 Dec TAP
30 Dec - 13 Jan Scandinavian Airlines
07 Dec - 11 Dec Fly Play
03 Dec - 15 Dec Lufthansa
14 Dec - 28 Dec Fly Play
12 Dec - 18 Dec Delta
02 Dec - 09 Dec British Airways direct
05 Dec - 16 Dec SWISS
12 Dec - 18 Dec British Airways direct
03 Dec - 15 Dec British Airways direct
07 Dec - 11 Dec Lufthansa direct
30 Dec - 13 Jan British Airways direct
15 Dec - 03 Jan Fly Play
26 Dec - 04 Jan Fly Play
23 Dec - 03 Jan Air Canada
19 Dec - 16 Jan Iberia direct
25 Dec - 04 Jan Iberia direct
26 Dec - 02 Jan British Airways direct
30 Dec - 06 Jan British Airways direct
28 Dec - 02 Jan Lufthansa

Also check the deals for one-way flights from Washington 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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