Cheapest return flights from Chicago to Oslo in March from 590€

AirHint found the following cheapest return flights from Chicago (ORD) to Oslo (OSL) in March 2026 (see full year).

Return flights

30 Mar - 06 Apr Air France
31 Mar - 07 Apr Air France
28 Mar - 04 Apr Delta
25 Mar - 01 Apr KLM
26 Mar - 02 Apr KLM

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

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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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