Cheapest return flights from Washington to London in December from $788

Best time to book flights for Washington (DCA) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Washington (DCA) to London (LHR) in December 2024 (see full year).

Return flights

24 Dec - 31 Dec British Airways
30 Dec - 06 Jan British Airways
26 Dec - 02 Jan American Airlines
23 Dec - 30 Dec British Airways
28 Dec - 02 Jan British Airways
25 Dec - 04 Jan Delta
23 Dec - 03 Jan Delta
22 Dec - 03 Jan Delta
13 Dec - 04 Jan Delta
19 Dec - 04 Jan Delta
20 Dec - 03 Jan Delta

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

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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