Cheapest return flights from Washington to London in January from $492

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 January 2025 (see full year).

Return flights

19 Jan - 23 Jan Frontier Airlines
09 Jan - 19 Jan Icelandair
11 Jan - 22 Jan Icelandair
17 Jan - 21 Jan Icelandair
07 Jan - 07 Feb Icelandair
12 Jan - 19 Jan Icelandair
20 Jan - 25 Jan Icelandair
20 Jan - 27 Jan Icelandair
09 Jan - 14 Jan Icelandair
16 Jan - 23 Jan Icelandair
17 Jan - 22 Jan Icelandair
31 Jan - 03 Feb Icelandair
29 Jan - 09 Feb TAP
29 Jan - 03 Feb Icelandair
23 Jan - 08 Feb Icelandair
27 Jan - 20 Feb Icelandair
26 Jan - 16 Feb TAP
29 Jan - 05 Feb Icelandair
27 Jan - 27 Feb Icelandair

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

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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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