Cheapest return flights from Washington to Oslo in October from $428

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

Return flights

12 Oct - 19 Oct Scandinavian Airlines
05 Oct - 12 Oct Scandinavian Airlines
24 Oct - 31 Oct Icelandair
25 Oct - 01 Nov Icelandair
26 Oct - 02 Nov Icelandair
19 Oct - 26 Oct Scandinavian Airlines
11 Oct - 18 Oct Icelandair
14 Oct - 21 Oct Icelandair
18 Oct - 25 Oct Icelandair
02 Oct - 09 Oct Icelandair
07 Oct - 14 Oct Icelandair
20 Oct - 27 Oct Icelandair
29 Oct - 05 Nov Icelandair
30 Oct - 06 Nov Icelandair
31 Oct - 07 Nov Icelandair
27 Oct - 03 Nov Air France
28 Oct - 04 Nov KLM

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

Powered by

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 Oslo

Cheap car rent in Oslo

Feel free to contact us with any feedback or request another flight research.