Cheapest return flights from Washington to London in October from $562

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

13 Oct - 20 Oct Scandinavian Airlines
14 Oct - 20 Oct Scandinavian Airlines
06 Oct - 13 Oct Scandinavian Airlines
08 Oct - 15 Oct Scandinavian Airlines
27 Oct - 03 Nov Icelandair
08 Oct - 15 Oct Iberia direct
10 Oct - 12 Oct Scandinavian Airlines
10 Oct - 14 Oct Iberia
09 Oct - 23 Oct Icelandair
06 Oct - 13 Oct Iberia direct
10 Oct - 14 Oct Iberia direct
30 Oct - 02 Nov TAP
31 Oct - 07 Nov United
31 Oct - 02 Nov Aer Lingus
30 Oct - 02 Nov British Airways direct
31 Oct - 02 Nov Delta direct
31 Oct - 01 Nov Royal Air Maroc
31 Oct - 01 Nov British Airways 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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