Cheapest return flights from London to Washington in October from 558€

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

07 Oct - 14 Oct British Airways
15 Oct - 22 Oct British Airways
01 Oct - 15 Oct Iberia
08 Oct - 22 Oct Iberia
08 Oct - 14 Oct British Airways
01 Oct - 08 Oct British Airways
10 Oct - 14 Oct British Airways
01 Oct - 07 Oct Icelandair
21 Oct - 28 Oct Icelandair
14 Oct - 28 Oct Icelandair
29 Oct - 03 Nov Icelandair
27 Oct - 04 Nov Icelandair
27 Oct - 02 Nov Icelandair
26 Oct - 02 Nov Icelandair
18 Oct - 01 Nov Icelandair
24 Oct - 01 Nov Icelandair
31 Oct - 14 Nov Icelandair
31 Oct - 13 Nov British Airways direct
31 Oct - 14 Nov British Airways direct
27 Oct - 04 Nov Virgin Atlantic 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.

Book a cheap hotel in Washington

Cheap car rent in Washington