Cheapest return flights from Washington to London in April from $582

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

Return flights

15 Apr - 22 Apr Iberia
07 Apr - 14 Apr American Airlines
22 Apr - 28 Apr Air Canada
24 Apr - 28 Apr jetBlue
27 Apr - 11 May British Airways
05 Apr - 15 Apr Air Canada
08 Apr - 15 Apr jetBlue
21 Apr - 29 Apr Iberia
14 Apr - 04 May Icelandair
23 Apr - 29 Apr Iberia
16 Apr - 22 Apr Iberia
16 Apr - 21 Apr Iberia
29 Apr - 04 May Icelandair
17 Apr - 01 May Air Canada
30 Apr - 04 May Icelandair
01 Apr - 30 May Icelandair

Also check the deals for one-way flights from Washington to London in April.

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