Cheapest return flights from Chicago to Oslo in December from $378

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

Return flights

07 Dec - 12 Dec Scandinavian Airlines
07 Dec - 14 Dec Icelandair
03 Dec - 15 Dec Icelandair
05 Dec - 16 Dec TAP
06 Dec - 13 Dec Scandinavian Airlines
01 Dec - 08 Dec Scandinavian Airlines
05 Dec - 12 Dec Scandinavian Airlines
30 Dec - 24 Jan SWISS
10 Dec - 18 Dec Icelandair
04 Dec - 11 Dec Lufthansa
02 Dec - 09 Dec Icelandair
31 Dec - 07 Jan Scandinavian Airlines
29 Dec - 05 Jan Scandinavian Airlines
25 Dec - 01 Jan Scandinavian Airlines
26 Dec - 02 Jan Scandinavian Airlines
27 Dec - 03 Jan Scandinavian Airlines

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

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