Cheapest return flights from Washington to London in April from $644

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

Return flights

01 Apr - 10 Apr jetBlue
22 Apr - 29 Apr Air Canada
14 Apr - 14 May Air Canada
17 Apr - 25 Apr jetBlue
11 Apr - 18 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.

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