Cheap flights from Chicago to Warsaw from $426

In general, February is the cheapest month to fly from Chicago to Warsaw Frederic Chopin Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $570. If you aren’t able to travel during the month of February, then book flights to Warsaw Frederic Chopin Airport from Chicago during January instead. Flights to Warsaw Frederic Chopin Airport in January, while not as cheap as those in February, still average around $596.

The cheapest day to depart from Chicago to Warsaw Frederic Chopin Airport is on a Wednesday when prices can be found for as low as $781. Flights from Chicago to Warsaw Frederic Chopin Airport on a Saturday will generally be more expensive and average around $1,006. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Warsaw Frederic Chopin Airport is at noon when flights can be purchased for as low as $755. Flights in the afternoon are often more expensive with an average ticket price of $990.

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

You are more likely to see cheaper flights to Warsaw Frederic Chopin Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Warsaw Frederic Chopin Airport for around $740 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Warsaw Frederic Chopin Airport from Chicago for as low as $652 on momondo.

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

United Airlines, SWISS, and TAP AIR PORTUGAL are the most popular carriers operating from Chicago to Warsaw Frederic Chopin

LOT, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to Warsaw Frederic Chopin Airport from Chicago according to our data. LOT is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Warsaw Frederic Chopin Airport. Keep in mind that there are 13 different airlines that fly to Warsaw Frederic Chopin Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between Chicago and Warsaw have experienced a delay on any given week. The average delay length over the past 12 months has been 200 minutes.

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

Sunday 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.

Copenhagen (CPH) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

Flights via Helsinki (HEL) offer the lowest average round-trip price of $465.

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 11h 25m.

Istanbul (IST) has the shortest average layover time for this route: 1h 28m.

The number of flights available between Chicago and Warsaw Frederic Chopin Airport is 1 per day as of August 2026. The most frequent departure time is 9:00PM, with 80% of daily flights leaving in the evening.

As of August 2026, there are 12 flights per week flying from Chicago to Warsaw Frederic Chopin Airport. The most common day of the week flights depart is Thu, with 25% of flights taking off on this day.