Cheapest return flights from Vienna to Chicago in September from $512

Best time to book flights for Vienna (VIE) to Chicago (ORD) flights at AirHint

AirHint found the following cheapest return flights from Vienna (VIE) to Chicago (ORD) in September 2025 (see full year).

Return flights

22 Sep - 28 Sep Aer Lingus
22 Sep - 06 Oct Aer Lingus
01 Sep - 14 Sep Aer Lingus
19 Sep - 25 Sep United
04 Sep - 18 Sep Austrian Airlines direct
06 Sep - 20 Sep British Airways
18 Sep - 25 Sep Austrian Airlines direct
19 Sep - 25 Sep Austrian Airlines direct
18 Sep - 24 Sep Austrian Airlines
16 Sep - 26 Sep Austrian Airlines direct
22 Sep - 06 Oct Austrian Airlines direct
25 Sep - 09 Oct Austrian Airlines direct
22 Sep - 28 Sep Austrian Airlines direct

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

Skyscanner

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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