Flights from Chicago to Seattle. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Chicago to Seattle. Find the best flights fast, track prices, and...

Find United Airlines cheap flights from Chicago to Seattle. Enjoy a Chicago to Seattle modern flight experience in premium cabins with Wi-Fi.

Cheap Flights from Chicago (ORD) to Seattle (SEA) start at $60 for one-way and $120 for round trip. Earn your airline miles on top of our rewards!

Find the best deals on flights from Chicago O'Hare International (ORD) to Seattle / Tacoma International (SEA). Compare prices from hundreds of major travel agents and airlines, all in one search.

Find the best deals on flights from Chicago (CHIA) to Seattle (SEAA). Compare prices from hundreds of major travel agents and airlines, all in one search.

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to Seattle / Tacoma International? Find the lowest prices on one-way and round-trip tickets right here.

Check out these latest deals for last minute flights from Chicago to Seattle. The latest deals for direct flights from Chicago to Seattle so you can sit back and relax without the need for a layover. Get data-powered insights and trends into flights from Chicago to Seattle to help you find the cheapest flights, the best time to fly and much more.

Cheap Flights from Chicago (CHI) to Seattle (SEA) start at $56 for one-way and $116 for round trip. Earn your airline miles on top of our rewards!

Searching for cheap flights from Chicago to Seattle? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today.

Alaska Airlines flies from Chicago to Seattle around 5 times per week, with deals starting from $118 round-trip and rising to an average price of around $305. Traveling to a place near Seattle? Book flights to Seattle if you plan to visit one of these locations