Cheapest one-way flights from Chicago to Vienna in October from $253

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

One-Way flights

21 Oct Frontier Airlines
10 Oct Frontier Airlines
17 Oct Frontier Airlines
08 Oct Frontier Airlines
22 Oct Frontier Airlines
27 Oct Frontier Airlines
01 Oct Porter Airlines (Canada) Ltd
19 Oct Frontier Airlines
12 Oct Frontier Airlines
11 Oct Frontier Airlines

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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