AirHint found the following cheapest return flights from Chicago (ORD) to Oslo (OSL) in January 2026 (see full year).

Return flights

11 Jan - 18 Jan	Scandinavian Airlines
21 Jan - 28 Jan	Scandinavian Airlines
31 Jan - 07 Feb	Scandinavian Airlines
12 Jan - 19 Jan	Scandinavian Airlines
22 Jan - 29 Jan	Scandinavian Airlines
06 Jan - 13 Jan	Icelandair
07 Jan - 14 Jan	Scandinavian Airlines
01 Jan - 08 Jan	United
02 Jan - 09 Jan	Icelandair

Also check the deals for one-way flights from Chicago to Oslo in January.

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 Chicago to Oslo in January from 339€

Return flights