Flight schedule from Chicago (CHI) to Seattle-Tacoma (SEA)
Select a travel date in the flight schedule for the route from Chicago (CHI) to Seattle-Tacoma (SEA) and compare affordable flight deals.
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- August 9 – 15, 2026
- August 16 – 22, 2026
- August 23 – 29, 2026
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Tips and tricks to help you find cheap flights from Chicago to Seattle Tacoma
Favorite airline: Alaska Airlines
Alaska Airlines is the most popular airline for flights from Chicago to Seattle-Tacoma.
Alaska Airlines
33 %
United Airlines
19 %
Delta
16 %
Important flight information
Frequently Asked Questions (FAQ)
A nonstop flight from Chicago to Seattle-Tacoma typically takes around 4 hours 44 minutes. This makes the nonstop service the fastest and most convenient way to travel between Chicago and Seattle-Tacoma. It is worth checking flight times when searching, as they can vary by airline and travel date.
Yes, there are nonstop flights from Chicago to Seattle-Tacoma, averaging around 35 to 36 flights per day, operated by, among others, Alaska Airlines, United Airlines and American Airlines. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.
Direct flights from Chicago to Seattle-Tacoma are operated by, among others, Alaska Airlines, United Airlines and American Airlines. These flights take you to Seattle-Tacoma nonstop, making them especially practical for short trips or weekend getaways. It is still worth comparing departure times and airline policies, as baggage rules and fees can vary.
Nonstop flights from Chicago to Seattle-Tacoma operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.
From Chicago to Seattle-Tacoma, there are on average around 35 to 36 flights per day. This usually means you have a good choice of departure times. If you are flexible, you can easily compare times, prices, and airlines.
From Chicago to Seattle-Tacoma, there are around 247 to 248 flights per week. This means you usually have connections available on several days and at various times. Beyond the price, it is worth comparing flight duration, airline, and any potential additional fees.
The earliest nonstop flight from Chicago to Seattle-Tacoma usually departs at 6:00 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in Seattle-Tacoma.
The last nonstop flight from Chicago to Seattle-Tacoma usually departs at 10:55 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.