Chicago (ORD) to Washington (WAS): 587 miles (945 km) great-circle, about 1h 40m nonstop by our estimate. Cheapest fare observed: $209 round-trip on United Airlines, nonstop, departing April 29, 2026.
$209 round-trip, United Airlines UA482, departing 2026-04-29 at 06:00, returning 2026-05-03. The recorded itinerary left on a Wednesday, returning on a Sunday 4 nights later; the fare was observed 4 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $209, it ranked 14th of the 30 round-trip fares we recorded from ORD (median $221). That is 35.6 cents per great-circle mile (round-trip price over one-way distance), above the ORD median of 16.6 cents across 30 round-trip routes.
Routes from ORD of similar length: Atlanta (607 mi) at $110 and Philadelphia (676 mi) at $121.
United Airlines had the cheapest fare on 2 of 30 ORD routes. It is the 30th longest of the 30 routes we track from ORD.
Of 19 departure airports with a fare to Washington, Chicago (ORD) ranked 8th at $209. Lowest: $87 from Atlanta (ATL); highest: $572 from Los Angeles (LAX); 6 nonstop. Cheapest-fare airlines (routes): Frontier (10), United Airlines (3), American Airlines (2), Alaska Airlines (1), Copa (1) and Southwest (1), plus 1 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/New_York; flight time is our estimate.