AirHint found the following cheapest return flights from Chicago (ORD) to Vienna (VIE) in March 2026 (see full year).

Return flights

25 Mar - 02 Apr	Turkish Airlines
23 Mar - 23 Apr	Turkish Airlines
20 Mar - 27 Mar	Turkish Airlines
20 Mar - 29 Mar	Scandinavian Airlines
25 Mar - 02 Apr	Austrian Airlines	direct
23 Mar - 23 Apr	Austrian Airlines	direct
20 Mar - 27 Mar	Austrian Airlines	direct
20 Mar - 29 Mar	Austrian Airlines	direct
27 Mar - 05 Apr	Austrian Airlines	direct

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

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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Cheapest return flights from Chicago to Vienna in March from $540

Return flights