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

Return flights

31 Dec - 31 Jan	Icelandair
30 Dec - 17 Jan	Icelandair
10 Dec - 26 Dec	SWISS
27 Dec - 15 Jan	Scandinavian Airlines
23 Dec - 11 Jan	Icelandair
11 Dec - 26 Dec	Delta
13 Dec - 16 Dec	Frontier Airlines
13 Dec - 10 Jan	Frontier Airlines
11 Dec - 18 Dec	Scandinavian Airlines
23 Dec - 07 Jan	Icelandair
31 Dec - 07 Jan	Delta
24 Dec - 29 Dec	KLM
17 Dec - 30 Dec	KLM
19 Dec - 06 Jan	Frontier Airlines
23 Dec - 30 Dec	Brussels Airlines
30 Dec - 02 Jan	Icelandair
19 Dec - 21 Dec	Frontier Airlines
18 Dec - 21 Dec	Spirit Airlines

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

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 December from 330€

Return flights