Flights Chicago → Vienna — September 10, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Thursday, September 10, 2026 on the Chicago–Vienna route: 1 stop itinerary (2 flights) via Warsaw (WAW), from Chicago O'Hare (ORD) to Vienna (VIE), first flight LOT Polish Airlines LO2, departs 5:10 PM, arrives 6:45 PM the next day, total travel time 18h 35m including layovers, flight time 10h 30m (layovers excluded), $1,275 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes allowed for a fee, non-refundable. Price found in an Aviasales search on September 8, 2026 and read by AirSource on September 10, 2026, 20:47 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: 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, $3,180 per person.

Lowest price observed in the available data

1-stop itinerary (2 flights)

via Warsaw (WAW) · first flight LOT Polish Airlines LO2

1 stop

5:10 PM

Thu, Sep 10

Chicago O'Hare (ORD)

18h 35m

1 stop

6:45 PM⁺¹

Fri, Sep 11

Vienna (VIE)

First flight: LOT Polish Airlines LO2 (1st of 2 flights)
Connecting flights: Operated after the layover in Warsaw (WAW); airline and flight number are not provided by Aviasales in this record: see them on the booking site.
Departure: Chicago O'Hare (ORD) · September 10, 2026 · 5:10 PM local time (UTC-5)
Final arrival: Vienna (VIE) · September 11, 2026 · 6:45 PM local time (UTC+2) · next day
Stops: 1 stop · in Warsaw (WAW)
Total travel time: 18h 35m (layovers included)
Flight time: 10h 30m (layovers excluded)
Layover time: 8h 5m
Carry-on bag: included
Checked bag: not included
Changes: allowed for a fee
Refund: non-refundable
Last observed price: $1,275 per person, one way
Observed: Price and fare conditions found in an Aviasales search on September 8, 2026 · read by AirSource on September 10, 2026, 20:47 UTC · more than 48 hours ago

Cheapest direct flight observed

Austrian Airlines OS9850

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

Direct

4:20 PM

Thu, Sep 10

Chicago O'Hare (ORD)

8h 55m

direct

8:15 AM⁺¹

Fri, Sep 11

Vienna (VIE)

Airline: Austrian Airlines (OS)
Flight: OS9850
Departure: Chicago O'Hare (ORD) · September 10, 2026 · 4:20 PM local time (UTC-5)
Arrival: Vienna (VIE) · September 11, 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: $3,180 per person, one way
Observed: Price and fare conditions found in an Aviasales search on September 8, 2026 · read by AirSource on September 10, 2026, 20:47 UTC · more than 48 hours ago

Looking for other times? All Chicago–Vienna flights on September 10, 2026 on Aviasales.

Lowest price observed in the available data

Cheapest direct flight observed

Nearby dates