Cheap flights from Warsaw to Chicago from €346

In general, November is the cheapest month to fly from Warsaw to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €359. If you are unable to visit Chicago O'Hare Intl Airport during the month of November, then departing from Warsaw during the month February is also very affordable. Most momondo users find prices during this month for around €374.

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Warsaw when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around €595 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Warsaw for as low as €536 on momondo.

Historically, on average around 22% of flights between Warsaw and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.

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

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

According to our data, LOT have had the fewest delays on this route over the last 12 months, with about 22% of their flights experiencing any sort of delay.

The number of flights available between Warsaw and Chicago O'Hare Intl Airport is 2 per day as of May 2026. The most frequent departure time is 16:00, with 100% of daily flights leaving in the afternoon.

As of May 2026, there are 20 flights per week flying from Warsaw to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Tue, with 20% of flights taking off on this day.