Cheap flights from Warsaw to Chicago from $307

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Warsaw averaging around $619.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $702. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Warsaw because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $789.

Flying to Chicago O'Hare Intl Airport from Warsaw at noon is the least expensive time of day to depart. momondo users have found prices as low as $628 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $785. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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 $687 when searching weeks out. 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 $635 on momondo.

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

Finnair and TAP AIR PORTUGAL are the most popular carriers operating from Warsaw to Chicago O'Hare Intl

LOT, Lufthansa and United Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Warsaw according to our data. LOT is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 6 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 21% 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 146 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 21% of their flights experiencing any sort of delay.

As of March 2026, there are 1 flights per day flying from Warsaw to Chicago O'Hare Intl Airport. The most common time of day flights depart is 4:00PM, with 100% of flights taking off in the afternoon.

11 flights are operational weekly from Warsaw to Chicago O'Hare Intl Airport as of March 2026. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.