Chicago (ORD) to Warsaw (WAW): 4,672 miles (7,519 km) great-circle, about 9h 50m nonstop by our estimate. Cheapest fare observed: $709 round-trip on Lufthansa, with 1 stop, departing May 31, 2026.
$709 round-trip, Lufthansa LH8835, departing 2026-05-31 at 22:30, returning 2026-06-28. The recorded itinerary left on a Sunday, returning on a Sunday 28 nights later; the fare was observed 36 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $709, it ranked 20th of the 30 round-trip fares we recorded from ORD (median $221). That is 15.2 cents per great-circle mile (round-trip price over one-way distance), close to the ORD median of 16.6 cents across 30 round-trip routes.
Routes from ORD of similar length: Moscow (4,954 mi) at $1328 and Skopje (5,167 mi) at $834.
Lufthansa had the cheapest fare on 2 of 30 ORD routes. It is the 10th longest of the 30 routes we track from ORD.
Of 34 departure airports with a fare to Warsaw, Chicago (ORD) ranked 29th at $709. Lowest: $35 from Helsinki (HEL); highest: $1767 from Brisbane (BNE); 16 nonstop. Cheapest-fare airlines (routes): Ryanair (9), Wizz Air (9), Lufthansa (3), Wizz Air Malta (3), Porter Airlines (2) and Air Canada (1), plus 7 more.
That depends on your passport and trip, so check the official source for Poland: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, Europe/Warsaw; flight time is our estimate.