Use Google Flights to find cheap flights from Seattle to Chicago, and book tickets for your next trip.

Snag a cheap one-way flight from $89 or cheap return flight from $172 from Seattle - Tacoma Intl. Airport (SEA) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price …

Find flights to Chicago from $89. Fly from Seattle on Delta, Hawaiian Airlines, Southwest and more. Search for Chicago flights on KAYAK now to find the best deal.

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

Aug 19, 2025 · Cheap flights from Seattle to Chicago (SEA - CHI): Compare last minute flight deals, direct flights and round-trip flights with Orbitz today!

5 days ago · Find airfare and ticket deals for cheap flights from Seattle to Chicago. Search flight deals from various travel partners with one click at $89.

Search and compare airfare from 1000+ airlines and travel sites to get the cheapest flights from Seattle to Chicago with momondo.

Jan 12, 2026 · Find best airfare deals and cheap plane tickets from Seattle, WA to Chicago, IL. Full information on one-way and round-trip SEA to CHI flights, compare last minute flight offers.

Book cheap flights to Chicago (ORD) with United Airlines. Enjoy all the in-flight perks on your Chicago flight, including speed Wi-Fi.

Yes, direct flights are available from Seattle to Chicago. Major carriers operate non-stop services that typically range in duration between 3 to 4 hours, with ticket prices varying from around $150 to $300 …