Cheap flights from Warsaw to Chicago from $319

The month of March is, on average, the cheapest month to fly to Chicago from Warsaw, with most prices found around $576. If you’re not able to fly to Chicago in March, then September is your next best option. Flight prices from Warsaw to Chicago during September average around $607.

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $713. 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 Warsaw to Chicago for around $808.

Our most recent data shows that the best time of day to fly to Chicago is at noon. Flights from Warsaw to Chicago during this time can be as low as $628. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $784.

Fly from Warsaw Frederic Chopin to Chicago O'Hare Intl for the best Warsaw - Chicago flight prices

You are more likely to see cheaper flights to Chicago from Warsaw when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $687 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Warsaw for as low as $635 on momondo.

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

Finnair and British Airways are the most popular carriers operating from Warsaw to Chicago

LOT, United Airlines and Lufthansa are the top three most popular airlines that fly to Chicago from Warsaw according to our data. LOT is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 7 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

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 145 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 22% of their flights experiencing any sort of delay.

As of March 2026, 1 flights take off from Warsaw and land in Chicago each day. The most common flight departure time for this route is 4:00PM, with 100% of daily flights taking off in the afternoon.

12 flights are operational weekly from Warsaw to Chicago as of March 2026. The most popular departure day for this route is Tue, with 17% of flights per week taking off on this day.