Illinois to Washington · 2,789 km · Compare flights, trains, buses & driving
The straight-line distance from Chicago to Seattle is approximately 2,789 km (1,733 miles). By road, the distance increases to about 3,626 km due to terrain, highways, and road networks connecting Illinois to Washington.
Flying is the fastest way to cover the 2,789 km distance. Flights from ORD to SEA take approximately 4 hrs 28 min including boarding and taxiing. Multiple airlines operate on this route, and fares vary depending on the season, time of booking, and class of travel.
For the best prices, book 2-3 weeks in advance and opt for mid-week departures (Tuesday, Wednesday) which are typically cheaper than weekend flights.
Search Chicago to Seattle FlightsFor official travel information, regulations, and booking services:
DGCA — Indian aviation authority
Passport Seva — Passport and travel documents
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