Cheapest return flights from Chicago to Oslo in October from 409€

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

Return flights

28 Oct - 04 Nov SWISS
23 Oct - 15 Nov Lufthansa
20 Oct - 27 Oct Lufthansa
21 Oct - 15 Nov United
21 Oct - 30 Oct Lufthansa
27 Oct - 03 Nov Lufthansa
29 Oct - 05 Nov Lufthansa
30 Oct - 06 Nov Lufthansa
21 Oct - 28 Oct United
22 Oct - 29 Oct Lufthansa
24 Oct - 31 Oct Austrian Airlines
26 Oct - 02 Nov Lufthansa
23 Oct - 30 Oct Lufthansa
25 Oct - 01 Nov Austrian Airlines
31 Oct - 07 Nov Lufthansa

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

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