Cheapest return flights from Washington to London in October from 637€

AirHint found the following cheapest return flights from Washington (IAD) to London (LHR) in October 2026 (see full year).

Return flights

07 Oct - 11 Oct Scandinavian Airlines
15 Oct - 24 Oct Scandinavian Airlines
15 Oct - 19 Oct Scandinavian Airlines
22 Oct - 27 Oct Scandinavian Airlines
09 Oct - 17 Oct Scandinavian Airlines
13 Oct - 20 Oct Icelandair
16 Oct - 25 Oct Icelandair
06 Oct - 11 Oct Icelandair
09 Oct - 13 Oct Icelandair
11 Oct - 20 Oct Icelandair
30 Oct - 07 Nov Icelandair
27 Oct - 03 Nov Icelandair
28 Oct - 02 Nov Lufthansa
30 Oct - 07 Nov British Airways direct

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

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