Cheap flights from Chicago O'Hare Intl Airport to Warsaw from $424

The cheapest month to fly to Warsaw from Chicago O'Hare Intl Airport is in February. Flight prices, which tend to average around $558, are often lower during this time because this is during the off-season. If you are unable to visit Warsaw during the month of February, then departing from Chicago O'Hare Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $588.

The cheapest day to depart from Chicago O'Hare Intl Airport to Warsaw is on a Wednesday when prices can be found for as low as $791. Flights from Chicago O'Hare Intl Airport to Warsaw on a Saturday will generally be more expensive and average around $1,008. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our most recent data shows that the best time of day to fly to Warsaw is at noon. Flights from Chicago O'Hare Intl Airport to Warsaw during this time can be as low as $756. In the afternoon is when there is more demand to fly to Warsaw, so prices are often more expensive at around $994 per ticket.

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

You are more likely to see cheaper flights to Warsaw from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Warsaw for around $752 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Warsaw from Chicago O'Hare Intl Airport for as low as $653 on momondo.

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

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

LOT, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to Warsaw from Chicago O'Hare Intl Airport according to our data. LOT is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Warsaw. Keep in mind that there are 13 different airlines that fly to Warsaw on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% 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 175 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 25% of their flights experiencing any sort of delay.

1 flights are operational daily from Chicago O'Hare Intl Airport to Warsaw as of August 2026. The most popular departure time for this route is 9:00PM, with 86% of flights per day taking off in the evening.

12 flights are operational weekly from Chicago O'Hare Intl Airport to Warsaw as of August 2026. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.