AirHint found the following cheapest return flights from London (LON) to Washington (IAD)
in October 2025 (see full year ).
Return flights
08 Oct
- 15 Oct
Ryanair
486 €
01 Oct
- 15 Oct
Ryanair
546 €
01 Oct
- 05 Oct
Ryanair
548 €
01 Oct
- 20 Oct
Scandinavian Airlines
563 €
01 Oct
- 21 Oct
Scandinavian Airlines
563 €
15 Oct
- 22 Oct
Scandinavian Airlines
568 €
22 Oct
- 01 Nov
Scandinavian Airlines
568 €
01 Oct
- 08 Oct
Scandinavian Airlines
569 €
01 Oct
- 07 Oct
Scandinavian Airlines
569 €
27 Oct
- 02 Nov
Scandinavian Airlines
569 €
24 Oct
- 31 Oct
Ryanair
570 €
20 Oct
- 03 Nov
Scandinavian Airlines
602 €
29 Oct
- 07 Nov
Lufthansa
603 €
26 Oct
- 02 Nov
Scandinavian Airlines
603 €
05 Oct
- 20 Oct
Icelandair
607 €
29 Oct
- 07 Nov
Air France
607 €
direct
25 Oct
- 02 Nov
Ryanair
614 €
20 Oct
- 03 Nov
British Airways
638 €
direct
25 Oct
- 01 Nov
Ryanair
642 €
31 Oct
- 14 Nov
British Airways
651 €
direct
Also check the deals for one-way flights from London to Washington in October .
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.