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

Return flights

03 Jun - 10 Jun	Icelandair
04 Jun - 11 Jun	Icelandair
05 Jun - 12 Jun	Icelandair
02 Jun - 09 Jun	Icelandair
01 Jun - 15 Jun	Finnair
09 Jun - 16 Jun	Icelandair
10 Jun - 17 Jun	Icelandair
16 Jun - 26 Jun	Icelandair
16 Jun - 23 Jun	Icelandair
30 Jun - 07 Jul	Icelandair
24 Jun - 08 Jul	Icelandair
10 Jun - 22 Jun	Icelandair
24 Jun - 01 Jul	Icelandair
26 Jun - 03 Jul	Icelandair
29 Jun - 06 Jul	Icelandair
28 Jun - 05 Jul	Icelandair
27 Jun - 04 Jul	Scandinavian Airlines
25 Jun - 02 Jul	Icelandair

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

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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Cheapest return flights from Chicago to Oslo in June from 570€

Return flights