Cheapest return flights from Chicago to Oslo in October from 357€

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

Return flights

30 Oct - 06 Nov Icelandair
22 Oct - 15 Nov Icelandair
18 Oct - 02 Nov Icelandair
28 Oct - 04 Nov Icelandair
16 Oct - 23 Oct Icelandair
12 Oct - 19 Oct Icelandair
21 Oct - 27 Oct Austrian Airlines
26 Oct - 02 Nov Icelandair
08 Oct - 15 Oct Icelandair
20 Oct - 27 Oct Lufthansa
07 Oct - 14 Oct Austrian Airlines
14 Oct - 21 Oct Austrian Airlines
15 Oct - 22 Oct Lufthansa
09 Oct - 16 Oct Lufthansa
23 Oct - 30 Oct Lufthansa

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

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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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