Cheapest return flights from Washington to London in April from 557€

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

Return flights

14 Apr - 12 May Air Canada
07 Apr - 05 May Air Canada
02 Apr - 07 Apr Lufthansa
14 Apr - 11 May Air Canada
16 Apr - 14 May Air Canada
13 Apr - 19 Apr Air Canada
18 Apr - 16 May Air Canada
11 Apr - 16 Apr jetBlue
11 Apr - 17 Apr jetBlue

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

Skyscanner

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.

Book a cheap hotel in London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.