Cheap flights from Washington Dulles to Chicago O'Hare from $91
Updated 2026-09-03
587 miles great-circle distance, typically flown in 1h 35m with 5 airlines operating direct service from Washington Dulles (IAD) to Chicago O'Hare (ORD). Fares on this corridor stay relatively stable across the year — booking 4–8 weeks ahead and choosing a midweek departure typically secures the best price.
Flying from Washington Dulles
Washington Dulles International is United Airlines' Mid-Atlantic hub and the larger of the two Washington-region airports. Metro's Silver Line extension opened in 2022, running from the airport's underground station directly to downtown Washington DC in around 50 minutes for $7. International long-haul through IAD is the deepest of any DC-area airport, with United, BA, Virgin Atlantic, Lufthansa, Air France, Qatar, Emirates and Ethiopian all running daily flights to global hubs.
Arriving in Chicago
Chicago O'Hare sits 17 miles northwest of downtown Chicago, with the CTA Blue Line running 24 hours from the airport's own station to the Loop in 45 minutes for $5. Winter weather causes chronic delays from late November through February; book mid-day rather than evening departures during that window. Fares peak around major Chicago conventions and concert weekends; January and August are typically the cheapest months.
Who flies IAD to ORD?
| Airline | IATA | Flight time | Cabin |
| United Airlines | UA | 1h 35m | Economy |
| Frontier Airlines | F9 | 1h 35m | Economy |
| American Airlines | AA | 1h 35m | Economy |
| Delta Air Lines | DL | 1h 35m | Economy |
| JetBlue Airways | B6 | 1h 35m | Economy |
5 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Washington to Chicago FAQs
Direct flights from Washington Dulles (IAD) to Chicago O'Hare (ORD) take approximately 1h 35m for the 587-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
5 carriers operate direct service from Washington Dulles (IAD) to Chicago O'Hare (ORD): United Airlines, Frontier Airlines, American Airlines, Delta Air Lines and JetBlue Airways. Frequencies vary by season and carrier — United Airlines typically operates the highest weekly count on this corridor.
No — United States is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.
Chicago O'Hare (ORD) is the primary international airport for Chicago. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.