Cheapest return flights from Washington to London in December from $658

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

30 Dec - 24 Jan Icelandair
30 Dec - 23 Jan Icelandair
30 Dec - 20 Jan Icelandair
30 Dec - 15 Jan Scandinavian Airlines
30 Dec - 12 Jan Scandinavian Airlines
29 Dec - 20 Jan Icelandair
29 Dec - 13 Jan Icelandair
31 Dec - 24 Jan British Airways
31 Dec - 24 Jan British Airways direct
28 Dec - 15 Jan Air Canada
26 Dec - 30 Dec Scandinavian Airlines
27 Dec - 30 Dec Scandinavian Airlines
26 Dec - 29 Dec Scandinavian Airlines
24 Dec - 29 Dec Air Canada
25 Dec - 30 Dec Delta
23 Dec - 30 Dec British Airways
23 Dec - 29 Dec British Airways
26 Dec - 29 Dec United direct
25 Dec - 28 Dec Scandinavian Airlines
24 Dec - 26 Dec British Airways

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

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