Cheapest return flights from London to Washington in October from 607€

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

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

Return flights

19 Oct - 23 Oct Icelandair
01 Oct - 15 Oct Icelandair
06 Oct - 13 Oct Icelandair
01 Oct - 06 Oct Icelandair
01 Oct - 08 Oct Icelandair
01 Oct - 11 Oct Icelandair
09 Oct - 13 Oct Icelandair
08 Oct - 13 Oct Scandinavian Airlines
24 Oct - 27 Oct Icelandair
30 Oct - 06 Nov Icelandair
03 Oct - 05 Oct Icelandair
23 Oct - 02 Nov Icelandair
30 Oct - 06 Nov Lufthansa direct
30 Oct - 13 Nov British Airways direct
23 Oct - 02 Nov Lufthansa direct

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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