Cheapest return flights from Chicago to Oslo in October from 366€

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

Return flights

08 Oct - 15 Oct Icelandair
29 Oct - 05 Nov Scandinavian Airlines
20 Oct - 27 Oct Scandinavian Airlines
06 Oct - 21 Oct Scandinavian Airlines
23 Oct - 30 Oct Scandinavian Airlines
17 Oct - 24 Oct Icelandair
17 Oct - 22 Oct Icelandair
14 Oct - 21 Oct United
11 Oct - 18 Oct United
05 Oct - 12 Oct United
02 Oct - 09 Oct United

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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