Cheapest return flights from Washington to London in October from 590€

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

AirHint found the following cheapest return flights from Washington (IAD) to London (LHR) in October 2025 (see full year).

Return flights

29 Oct - 06 Nov Air Canada
08 Oct - 17 Oct Delta
29 Oct - 06 Nov Iberia direct
30 Oct - 03 Nov Icelandair
08 Oct - 17 Oct British Airways direct
16 Oct - 23 Oct United
16 Oct - 23 Oct United direct
11 Oct - 30 Oct British Airways direct
23 Oct - 27 Oct SWISS
23 Oct - 27 Oct Finnair direct
30 Oct - 03 Nov Delta direct
14 Oct - 16 Oct TAP
14 Oct - 16 Oct Virgin Atlantic direct

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

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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