AirHint found the following cheapest return flights from Chicago (ORD) to Stockholm (ARN) in August 2025 (see full year).

Return flights

19 Aug - 26 Aug	Icelandair
18 Aug - 25 Aug	Icelandair
31 Aug - 07 Sep	Icelandair
16 Aug - 25 Aug	TAP
16 Aug - 24 Aug	TAP
20 Aug - 25 Aug	Icelandair
30 Aug - 06 Sep	United
20 Aug - 24 Aug	KLM
29 Aug - 07 Sep	United
24 Aug - 03 Sep	Icelandair
21 Aug - 25 Aug	Finnair
17 Aug - 22 Aug	Icelandair
15 Aug - 24 Aug	United
01 Aug - 11 Aug	Delta

Also check the deals for one-way flights from Chicago to Stockholm in August.

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 Stockholm in August from 345€

Return flights