Cheap flights from Vienna to Chicago from $318

The month of September is, on average, the cheapest month to fly to Chicago from Vienna, with most prices found around $655. If you’re not able to fly to Chicago in September, then February is your next best option. Flight prices from Vienna to Chicago during February average around $666.

The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as $737. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Vienna to Chicago for around $1,004.

Fly from Vienna Intl to Chicago O'Hare Intl for the best Vienna Intl - Chicago flight prices

You are more likely to see cheaper flights to Chicago from Vienna when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $764 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Vienna for as low as $543 on momondo.

There are 3 cabin classes available to choose from on Vienna Intl to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of March 2026, prices for Vienna to Chicago flights are approximately 3% more expensive when compared to flights at the same time last year.

Finnair, Air Serbia, and Delta are the most popular carriers operating from Vienna Intl to Chicago

Austrian Airlines, United Airlines and Lufthansa are the top three most popular airlines that fly to Chicago from Vienna according to our data. Austrian Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 3 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

Historically, on average around 27% of flights between Vienna and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 161 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Austrian Airlines have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

Warsaw (WAW) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Lisbon (LIS) offer the lowest average round-trip price of $493.

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 11h 58m.

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 25m.