Popular airlines from Seattle-Tacoma International Airport (SEA) to Chicago
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Today's featured flight deals from Seattle-Tacoma International Airport (SEA) to Chicago
- Seattle (SEA) to Chicago (ORD).American Airlines, nonstop.Departing on Sat, Mar 14 at 12:13am from Seattle, arriving at 6:29am in Chicago.Returning on Wed, Mar 18 at 6:00am from Chicago, arriving at 12:47pm in Seattle.Select American Airlines flight departing on Sat, Mar 14 at 12:13am from Seattle, returning on Wed, Mar 18 at 6:00am from Chicago priced at $19750% less than typical$197
- Seattle (SEA) to Chicago (ORD).American Airlines, nonstop.Departing on Sat, Mar 14 at 12:13am from Seattle, arriving at 6:29am in Chicago.Returning on Wed, Mar 18 at 3:15pm from Chicago, arriving at 11:04pm in Seattle.Select American Airlines flight departing on Sat, Mar 14 at 12:13am from Seattle, returning on Wed, Mar 18 at 3:15pm from Chicago priced at $19750% less than typical$197
- Seattle (SEA) to Chicago (ORD).Delta, nonstop.Departing on Thu, Mar 12 at 7:15am from Seattle, arriving at 1:24pm in Chicago.Returning on Sun, Mar 15 at 10:01am from Chicago, arriving at 12:47pm in Seattle.Select Delta flight departing on Thu, Mar 12 at 7:15am from Seattle, returning on Sun, Mar 15 at 10:01am from Chicago priced at $31720% less than typical$317
- Seattle (SEA) to Chicago (ORD).American Airlines, nonstop.Departing on Tue, Mar 17 at 7:21am from Seattle, arriving at 1:37pm in Chicago.Returning on Fri, Mar 20 at 2:20pm from Chicago, arriving at 5:00pm in Seattle.Select American Airlines flight departing on Tue, Mar 17 at 7:21am from Seattle, returning on Fri, Mar 20 at 2:20pm from Chicago priced at $20740% less than typical$207
- Seattle (SEA) to Chicago (ORD).American Airlines, nonstop.Departing on Tue, Mar 17 at 12:13am from Seattle, arriving at 6:29am in Chicago.Returning on Fri, Mar 20 at 2:20pm from Chicago, arriving at 5:00pm in Seattle.Select American Airlines flight departing on Tue, Mar 17 at 12:13am from Seattle, returning on Fri, Mar 20 at 2:20pm from Chicago priced at $20740% less than typical$207
- Seattle (SEA) to Chicago (ORD).American Airlines, nonstop.Departing on Sat, Mar 7 at 12:07am from Seattle, arriving at 6:23am in Chicago.Returning on Sat, Mar 14 at 9:40pm from Chicago, arriving on Sun, Mar 15 at 12:24am in Seattle.Select American Airlines flight departing on Sat, Mar 7 at 12:07am from Seattle, returning on Sat, Mar 14 at 9:40pm from Chicago priced at $19740% less than typical$197
- Seattle (SEA) to Chicago (MDW).Southwest Airlines, nonstop.Departing on Sat, Mar 14 at 11:55pm from Seattle, arriving on Sun, Mar 15 at 5:50am in Chicago.Returning on Fri, Mar 20 at 10:05am from Chicago, arriving at 12:40pm in Seattle.Select Southwest Airlines flight departing on Sat, Mar 14 at 11:55pm from Seattle, returning on Fri, Mar 20 at 10:05am from Chicago priced at $20750% less than typical$207
- Seattle (SEA) to Chicago (ORD).American Airlines, nonstop.Departing on Tue, Mar 3 at 12:07am from Seattle, arriving at 6:23am in Chicago.Returning on Sun, Mar 8 at 9:40pm from Chicago, arriving on Mon, Mar 9 at 12:24am in Seattle.Select American Airlines flight departing on Tue, Mar 3 at 12:07am from Seattle, returning on Sun, Mar 8 at 9:40pm from Chicago priced at $20740% less than typical$207
- Seattle (SEA) to Chicago (ORD).American Airlines, nonstop.Departing on Wed, Mar 4 at 7:15am from Seattle, arriving at 1:31pm in Chicago.Returning on Sun, Mar 8 at 9:40pm from Chicago, arriving on Mon, Mar 9 at 12:24am in Seattle.Select American Airlines flight departing on Wed, Mar 4 at 7:15am from Seattle, returning on Sun, Mar 8 at 9:40pm from Chicago priced at $20740% less than typical$207
Cheap Flights from Seattle to Chicago (SEA-CHI)
Prices were available within the past 7 days and start at $84 for one-way flights and $164 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Alternative airports near Chicago
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Seattle (SEA) to Chicago (CHI)
August is typically the cheapest month to fly
Origin airport | Seattle - Tacoma Intl. |
|---|---|
Destination airport | Midway Intl. |
Roundtrip price | $164 |
Distance | 1728 mi |
Seattle to Chicago Flights
The cheapest times to fly from Seattle to Chicago
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Chicago are during the month of March. You can find some of the cheapest flights from Seattle to Chicago with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Seattle to Chicago
Sunday is one of the best days to book for cheap flights from Seattle to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Seattle to Chicago
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from $84 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
*Flight schedules are subject to change.
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