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

Return flights

11 Feb - 18 Feb	jetBlue
25 Feb - 01 Mar	jetBlue
11 Feb - 19 Feb	Air Canada
03 Feb - 13 Feb	British Airways
15 Feb - 02 Mar	British Airways
23 Feb - 02 Mar	British Airways
13 Feb - 18 Feb	jetBlue
06 Feb - 15 Feb	jetBlue
09 Feb - 15 Feb	jetBlue
01 Feb - 05 Feb	Icelandair
14 Feb - 22 Feb	Air Canada
20 Feb - 24 Feb	Air Canada
12 Feb - 17 Feb	Air Canada
26 Feb - 07 Mar	jetBlue
26 Feb - 05 Mar	TAP

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 $527

Return flights