Cheapest return flights from London to Washington in October from $565

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

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

Return flights

08 Oct - 13 Oct Scandinavian Airlines
04 Oct - 11 Oct Ryanair
07 Oct - 29 Oct Scandinavian Airlines
29 Oct - 17 Nov Scandinavian Airlines
14 Oct - 21 Oct Ryanair
27 Oct - 04 Nov SWISS
07 Oct - 14 Oct SWISS
20 Oct - 27 Oct Austrian Airlines
02 Oct - 08 Oct SWISS
02 Oct - 06 Oct SWISS
01 Oct - 31 Oct SWISS
03 Oct - 10 Oct SWISS
18 Oct - 01 Nov SWISS
31 Oct - 05 Nov Scandinavian Airlines
25 Oct - 01 Nov British Airways
27 Oct - 04 Nov British Airways direct
29 Oct - 17 Nov Finnair direct
25 Oct - 01 Nov Delta direct
14 Oct - 07 Nov British Airways direct
26 Oct - 01 Nov Aer Lingus

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