Cheapest return flights from Chicago to Oslo in May from 523€

Best time to book flights for Chicago (ORD) to Oslo (OSL) flights at AirHint

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

Return flights

06 May - 13 May Icelandair
07 May - 24 May Icelandair
11 May - 20 May Finnair
26 May - 02 Jun Icelandair
02 May - 13 May Turkish Airlines
01 May - 08 May United
12 May - 20 May SWISS
16 May - 25 May SWISS
16 May - 23 May SWISS
11 May - 18 May United
19 May - 28 May United
31 May - 07 Jun Icelandair

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

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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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