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

Return flights

26 Feb - 05 Mar	Air Canada
17 Feb - 24 Feb	jetBlue
06 Feb - 08 Feb	jetBlue
28 Feb - 07 Mar	jetBlue
25 Feb - 12 Mar	Air Canada
26 Feb - 09 Mar	Air Canada
28 Feb - 06 Mar	Air Canada
04 Feb - 27 Feb	jetBlue
12 Feb - 23 Feb	Air Canada
11 Feb - 16 Feb	Air Canada
19 Feb - 22 Feb	Air Canada
04 Feb - 11 Feb	Icelandair
17 Feb - 20 Feb	Air Canada
02 Feb - 08 Feb	Icelandair
03 Feb - 08 Feb	Icelandair
25 Feb - 04 Mar	TAP
20 Feb - 01 Mar	TAP
20 Feb - 08 Mar	WestJet
27 Feb - 02 Mar	WestJet

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 496€

Return flights