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

Return flights

04 Feb - 08 Feb	jetBlue
02 Feb - 10 Feb	jetBlue
06 Feb - 11 Feb	jetBlue
06 Feb - 09 Feb	jetBlue
01 Feb - 08 Feb	jetBlue
06 Feb - 13 Feb	jetBlue
03 Feb - 13 Feb	British Airways
17 Feb - 25 Feb	British Airways
17 Feb - 23 Feb	British Airways
18 Feb - 23 Feb	British Airways
24 Feb - 04 Mar	British Airways
24 Feb - 02 Mar	British Airways
27 Feb - 07 Mar	British Airways
13 Feb - 01 Mar	Air Canada
21 Feb - 08 Mar	Air Canada
28 Feb - 08 Mar	Icelandair
27 Feb - 17 Mar	Icelandair
27 Feb - 29 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 $487

Return flights