Cheapest one-way flights from Chicago to Vienna in October from $239

AirHint found the following cheapest one-way flights from Chicago (ORD) to Vienna (VIE) in October 2025 (see full year).

One-Way flights

01 Oct Frontier Airlines
21 Oct Spirit Airlines
22 Oct Spirit Airlines
08 Oct Frontier Airlines
10 Oct Spirit Airlines
02 Oct Turkish Airlines
21 Oct Austrian Airlines direct
10 Oct Austrian Airlines direct
02 Oct United direct

Also check the deals for return flights from Chicago to Vienna in October.

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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