Cheapest return flights from Washington to London in December from $478

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

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

Return flights

02 Dec - 09 Dec TAP
03 Dec - 11 Dec Icelandair
10 Dec - 16 Jan Icelandair
01 Dec - 06 Dec Icelandair
03 Dec - 12 Dec Icelandair
02 Dec - 12 Dec Icelandair
06 Dec - 09 Dec Icelandair
06 Dec - 08 Dec TAP
09 Dec - 13 Dec Icelandair
06 Dec - 11 Dec Icelandair
02 Dec - 11 Dec Icelandair
02 Dec - 10 Jan Icelandair
17 Dec - 24 Jan Icelandair
17 Dec - 25 Jan Icelandair
17 Dec - 15 Jan Icelandair
17 Dec - 28 Jan Icelandair
17 Dec - 10 Jan Icelandair
30 Dec - 20 Jan Icelandair
29 Dec - 12 Jan Icelandair
29 Dec - 14 Jan Icelandair

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.

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