Cheapest return flights from Chicago to Vienna in October from $519

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

Return flights

21 Oct - 28 Oct Turkish Airlines
20 Oct - 03 Nov Icelandair
17 Oct - 31 Oct Turkish Airlines
20 Oct - 05 Nov Spirit Airlines
12 Oct - 19 Oct Icelandair
06 Oct - 16 Oct Turkish Airlines
16 Oct - 21 Oct TAP
01 Oct - 25 Oct Spirit Airlines
17 Oct - 03 Nov Turkish Airlines
13 Oct - 20 Oct Turkish Airlines
01 Oct - 15 Oct Turkish Airlines
01 Oct - 05 Oct Spirit Airlines
01 Oct - 17 Oct Aer Lingus
20 Oct - 05 Nov Austrian Airlines direct
20 Oct - 03 Nov Austrian Airlines direct
17 Oct - 03 Nov Austrian Airlines direct

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

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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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