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

Return flights

08 Feb - 26 Feb	TAP
16 Feb - 04 Mar	TAP
22 Feb - 03 Mar	TAP
15 Feb - 02 Mar	TAP
17 Feb - 25 Feb	TAP
22 Feb - 16 Mar	TAP
25 Feb - 01 Mar	Icelandair
10 Feb - 03 Mar	Icelandair
16 Feb - 23 Feb	TAP
19 Feb - 25 Feb	Scandinavian Airlines
23 Feb - 28 Feb	Scandinavian Airlines
26 Feb - 03 Mar	Scandinavian Airlines
10 Feb - 18 Feb	Icelandair
25 Feb - 28 Feb	Scandinavian Airlines
19 Feb - 02 Mar	Scandinavian Airlines
28 Feb - 12 Mar	Aer Lingus
20 Feb - 02 Mar	Air Canada
08 Feb - 12 Feb	TAP
08 Feb - 13 Feb	TAP
21 Feb - 25 Feb	Aer Lingus

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 385€

Return flights