Cheapest return flights from Washington to London in October from $593

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 October 2025 (see full year).

Return flights

23 Oct - 27 Oct jetBlue
28 Oct - 06 Nov jetBlue
05 Oct - 12 Oct jetBlue
17 Oct - 29 Oct jetBlue
29 Oct - 05 Nov jetBlue
23 Oct - 26 Oct jetBlue
11 Oct - 17 Oct jetBlue
03 Oct - 21 Oct jetBlue
07 Oct - 17 Oct jetBlue
09 Oct - 12 Oct jetBlue
01 Oct - 11 Oct jetBlue
04 Oct - 11 Oct jetBlue
26 Oct - 02 Nov jetBlue
30 Oct - 01 Nov jetBlue

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

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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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