Cheapest return flights from Chicago to Oslo in December from 410€

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

Return flights

01 Dec - 08 Dec Lufthansa
03 Dec - 06 Dec Lufthansa
03 Dec - 10 Dec Lufthansa
02 Dec - 09 Dec Lufthansa
04 Dec - 11 Dec Scandinavian Airlines
06 Dec - 13 Dec Scandinavian Airlines
05 Dec - 12 Dec Scandinavian Airlines
31 Dec - 07 Jan Lufthansa
17 Dec - 24 Dec Delta
30 Dec - 06 Jan Lufthansa
29 Dec - 05 Jan Lufthansa
17 Dec - 01 Jan SWISS
25 Dec - 01 Jan Lufthansa
21 Dec - 28 Dec Icelandair
16 Dec - 01 Jan Frontier Airlines
22 Dec - 27 Dec Frontier Airlines
28 Dec - 04 Jan Scandinavian Airlines
26 Dec - 02 Jan Lufthansa

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

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