Cheap Flights from Chicago to Seattle — $85

More than 5 airlines operate flights from Chicago to Seattle, including United Airlines, Alaska Airlines, Southwest Airlines, Sun Country Airlines, and Frontier Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $85, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.

Chicago is served primarily by two major airports with distinct roles. O'Hare International (ORD) is the city's main international hub, typically handling a wide mix of legacy carriers and global airlines and often positioned as the pricier, full-service option; it sits about 17 miles northwest of downtown and can be reached by the CTA Blue Line in roughly 45–60 minutes (fares around transit rates) or by taxi/ride-share in 30–60 minutes depending on traffic with higher fares during peak times. Midway (MDW) is usually a budget- and low-cost-carrier–friendly airport about 10 miles southwest of the Loop; travel times are commonly 25–40 minutes by car and around 35–50 minutes via the CTA Orange Line, with generally lower fares on short-haul routes. Pros: O'Hare offers extensive international connections and full-service facilities, while Midway can be easier to navigate and quicker for domestic travel. Cons: O'Hare can be busy with longer transfer walks and congestion, and Midway has fewer long-haul options and can feel cramped at peak times.

The distance between Chicago and Seattle is 2788km (1729 miles). There are 66 direct flights from Chicago to Seattle. The time difference between Chicago and Seattle is 2h. Flights from Chicago begin at 6:00 AM. The latest flight from Chicago departs at 9:50 PM

Fly nonstop from Chicago to Seattle for the quickest, most convenient way to cross the country—arrive faster and with less hassle so you can start exploring the Pacific Northwest sooner. While connecting flights can occasionally be cheaper, a direct flight saves time, reduces stress and often means more reliable schedules for busy travelers.

Seattle–Tacoma International Airport (SEA) is the region’s primary international hub, handling most long-haul and domestic flights and serving legacy carriers like Alaska Airlines and major global airlines alongside some low-cost operators. Located about 14 miles (22 km) south of downtown Seattle, it can be reached by Link light rail in roughly 35–40 minutes for a low to moderate fare, by taxi or rideshare in 20–30 minutes depending on traffic, or by shuttle and car in a similar range. Fares and travel times vary with demand and time of day. Pros: comprehensive services, wide route choice and good public-transit links. Cons: can be busy at peak times and transfer distances in terminals may be long.

The cost of a one-way flight from Chicago to Seattle ranges from $85 (January 2026) to $121 (May 2026). On average, the ticket price is about $103–$121.