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

Return flights

14 Feb - 22 Feb	TAP
01 Feb - 06 Feb	Scandinavian Airlines
18 Feb - 22 Feb	TAP
16 Feb - 23 Feb	Icelandair
06 Feb - 10 Feb	Icelandair
06 Feb - 14 Feb	Icelandair
21 Feb - 28 Feb	Scandinavian Airlines
05 Feb - 09 Feb	Icelandair
10 Feb - 17 Feb	Icelandair
19 Feb - 27 Feb	Icelandair
27 Feb - 09 Mar	Icelandair
23 Feb - 02 Mar	Scandinavian Airlines
24 Feb - 10 Mar	TAP
17 Feb - 03 Mar	TAP
17 Feb - 02 Mar	TAP
24 Feb - 03 Mar	TAP
23 Feb - 18 Mar	TAP
26 Feb - 04 Mar	TAP
24 Feb - 12 Mar	TAP
18 Feb - 02 Mar	Icelandair

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 $402

Return flights