Cheapest return flights from Chicago to Vienna in May from 615€

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

Return flights

07 May - 14 May Icelandair
03 May - 13 May Icelandair
02 May - 09 May Alaska Airlines
14 May - 28 May Frontier Airlines
01 May - 22 May Turkish Airlines
11 May - 26 May Frontier Airlines
13 May - 27 May Icelandair
16 May - 30 May Air Serbia
19 May - 29 May Icelandair
24 May - 03 Jun Icelandair
24 May - 28 May Icelandair
25 May - 11 Jun Icelandair
28 May - 11 Jun Spirit Airlines
28 May - 07 Jun Spirit Airlines
29 May - 06 Jun Air Canada
20 May - 01 Jun Alaska Airlines
27 May - 29 Jun Icelandair
28 May - 30 Jun Spirit Airlines
25 May - 11 Jun Austrian Airlines direct
28 May - 11 Jun Austrian Airlines direct

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

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