Austrian Airlines OS9850 Chicago O'Hare (ORD) → Vienna (VIE) — September 17, 2026

One way · Economy · 1 adult · price per person

Last observed price for Thursday, September 17, 2026: Austrian Airlines OS9850, from Chicago O'Hare (ORD) to Vienna (VIE), departs 4:20 PM, arrives 8:15 AM the next day, direct, 8h 55m, $3,220 per person. Price found in an Aviasales search on September 10, 2026 and read by AirSource on September 10, 2026, 20:47 UTC: it is not guaranteed and is confirmed on Aviasales at booking time.

Observation for flight OS9850 on September 17, 2026

Austrian Airlines OS9850

Direct · Chicago O'Hare (ORD) → Vienna (VIE)

Direct

4:20 PM

Thu, Sep 17

Chicago O'Hare (ORD)

8h 55m

direct

8:15 AM⁺¹

Fri, Sep 18

Vienna (VIE)

Airline: Austrian Airlines (OS)
Flight: OS9850
Departure: Chicago O'Hare (ORD) · September 17, 2026 · 4:20 PM local time (UTC-5)
Arrival: Vienna (VIE) · September 18, 2026 · 8:15 AM local time (UTC+2) · next day
Stops: Direct (no plane change, as stated by the source; it can include a stop)
Duration: 8h 55m
Last observed price: $3,220 per person, one way
Observed: Price and fare conditions found in an Aviasales search on September 10, 2026 · read by AirSource on September 10, 2026, 20:47 UTC