Cheapest return flights from Vienna to Chicago in September from $491

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

10 Sep - 17 Sep Aer Lingus
30 Sep - 14 Oct British Airways
27 Sep - 11 Oct Iberia
16 Sep - 23 Sep Brussels Airlines
23 Sep - 07 Oct Delta
30 Sep - 14 Oct Austrian Airlines direct
15 Sep - 20 Sep Air Serbia

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.

Book a cheap hotel in Chicago

Cheap car rent in Chicago