Cheapest return flights from London to Washington in October from 549€

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

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

Return flights

01 Oct - 05 Oct Ryanair
08 Oct - 22 Oct Icelandair
18 Oct - 28 Oct Icelandair
14 Oct - 28 Oct Icelandair
07 Oct - 14 Oct Icelandair
02 Oct - 05 Oct Royal Air Maroc
22 Oct - 02 Nov Icelandair
23 Oct - 26 Oct Royal Air Maroc
19 Oct - 31 Oct Icelandair
06 Oct - 17 Oct Icelandair
10 Oct - 14 Oct Icelandair
26 Oct - 02 Nov Icelandair
25 Oct - 02 Nov Icelandair
25 Oct - 01 Nov Icelandair
25 Oct - 05 Nov Icelandair
24 Oct - 02 Nov Icelandair
30 Oct - 01 Nov TAP

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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