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

One-Way flights

29 Jun	Icelandair
28 Jun	Spirit Airlines
27 Jun	Spirit Airlines
21 Jun	Spirit Airlines
14 Jun	Frontier Airlines
26 Jun	Icelandair
17 Jun	SWISS
29 Jun	Austrian Airlines	direct
17 Jun	Austrian Airlines	direct
26 Jun	Austrian Airlines	direct

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

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 one-way flights from Chicago to Vienna in June from $405

One-Way flights