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

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

Return flights

03 Dec - 10 Dec Scandinavian Airlines
08 Dec - 15 Dec Scandinavian Airlines
03 Dec - 07 Jan Scandinavian Airlines
11 Dec - 14 Dec Icelandair
13 Dec - 20 Dec Icelandair
20 Dec - 10 Jan Scandinavian Airlines
23 Dec - 30 Dec United
10 Dec - 03 Jan Icelandair
28 Dec - 04 Jan United
18 Dec - 25 Dec Scandinavian Airlines
19 Dec - 27 Dec KLM

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

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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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