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

27 May - 06 Jun Alaska Airlines
30 May - 13 Jun Icelandair
18 May - 26 May Scandinavian Airlines
28 May - 07 Jun Sun Country Airlines
09 May - 15 May jetBlue
10 May - 15 May SWISS
16 May - 04 Jun TAP
24 May - 03 Jun Condor
24 May - 31 May Alaska Airlines
20 May - 01 Jun WestJet
15 May - 30 May Condor
22 May - 25 May SWISS
30 May - 13 Jun Austrian Airlines direct
24 May - 31 May Austrian Airlines direct
22 May - 25 May Austrian Airlines direct
28 May - 07 Jun Austrian Airlines direct
18 May - 26 May United direct
16 May - 04 Jun United direct
10 May - 15 May Austrian Airlines direct

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

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