Cheapest return ORD–VIE flights, May

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

Return flights

10 May - 15 May jetBlue
02 May - 15 May Scandinavian Airlines
11 May - 25 May jetBlue
18 May - 25 May jetBlue
17 May - 04 Jun Spirit Airlines
09 May - 23 May Frontier Airlines
01 May - 22 May Icelandair
19 May - 02 Jun Icelandair
17 May - 29 May Spirit Airlines
20 May - 30 May Alaska Airlines
24 May - 03 Jun WestJet
13 May - 20 May Spirit Airlines
21 May - 26 May Alaska Airlines
19 May - 22 Jun jetBlue
17 May - 04 Jun Austrian Airlines direct
19 May - 02 Jun Austrian Airlines direct

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

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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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