Cheapest return ORD–BER flights, September

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

Return flights

03 Sep - 07 Sep Icelandair
15 Sep - 29 Sep Icelandair
22 Sep - 30 Sep SWISS
24 Sep - 28 Sep SWISS

Also check the deals for one-way flights from Chicago to Berlin 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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