Cheapest return ORD–ARN flights, September

AirHint found the following cheapest return flights from Chicago (ORD) to Stockholm (ARN) in September 2026 (see full year).

Return flights

06 Sep - 14 Sep Icelandair
16 Sep - 23 Sep Scandinavian Airlines
08 Sep - 15 Sep Scandinavian Airlines
09 Sep - 16 Sep Scandinavian Airlines
01 Sep - 08 Sep KLM
03 Sep - 10 Sep KLM
05 Sep - 12 Sep KLM
06 Sep - 13 Sep Air France
10 Sep - 17 Sep KLM
11 Sep - 18 Sep Air France
24 Sep - 01 Oct KLM
25 Sep - 02 Oct Air France
26 Sep - 03 Oct Air France
28 Sep - 05 Oct Air France
29 Sep - 06 Oct Air France
30 Sep - 07 Oct KLM

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

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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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