AirHint found the following cheapest return flights from Washington (IAD) to Oslo (OSL) in November 2025 (see full year).

Return flights

13 Nov - 20 Nov	Scandinavian Airlines
18 Nov - 25 Nov	Icelandair
04 Nov - 11 Nov	Icelandair
10 Nov - 17 Nov	Icelandair
28 Nov - 05 Dec	Icelandair
07 Nov - 14 Nov	United
01 Nov - 08 Nov	Icelandair
25 Nov - 20 Dec	Icelandair
23 Nov - 30 Nov	United

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

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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Cheapest return flights from Washington to Oslo in November from 341€

Return flights