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

Return flights

04 Feb - 08 Feb	Finnair
18 Feb - 26 Feb	Finnair
12 Feb - 17 Feb	Finnair
01 Feb - 08 Feb	Finnair
14 Feb - 16 Feb	jetBlue
13 Feb - 17 Feb	Air Canada
02 Feb - 28 Feb	jetBlue
06 Feb - 16 Feb	jetBlue
13 Feb - 15 Feb	jetBlue
12 Feb - 16 Feb	jetBlue
25 Feb - 07 Mar	jetBlue
15 Feb - 02 Mar	jetBlue
27 Feb - 08 Mar	jetBlue
26 Feb - 03 Mar	jetBlue
26 Feb - 08 Mar	jetBlue
28 Feb - 05 Mar	jetBlue
26 Feb - 06 Mar	jetBlue
21 Feb - 01 Mar	jetBlue
03 Feb - 08 Mar	British Airways

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 $613

Return flights