AirHint found the following cheapest return flights from Washington (IAD) to London (LGW) in February 2026 (see full year).

Return flights

16 Feb - 25 Feb	TAP
15 Feb - 25 Feb	TAP
17 Feb - 24 Feb	TAP
01 Feb - 11 Feb	TAP
03 Feb - 11 Feb	TAP
03 Feb - 25 Feb	TAP
14 Feb - 17 Feb	Icelandair
15 Feb - 22 Feb	Icelandair
05 Feb - 08 Feb	Icelandair
02 Feb - 06 Feb	Frontier Airlines
16 Feb - 16 Mar	TAP
26 Feb - 03 Mar	Icelandair
26 Feb - 02 Mar	TAP
24 Feb - 07 Mar	SWISS
27 Feb - 07 Mar	Aer Lingus
28 Feb - 04 Mar	Icelandair
26 Feb - 07 Mar	SWISS
16 Feb - 13 Mar	TAP
27 Feb - 09 Mar	TAP
26 Feb - 15 Mar	Scandinavian Airlines

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

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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Cheapest return flights from Washington to London in February from 361€

Return flights