Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Seattle to Chicago. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Seattle to Chicago, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
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There are most likely no direct flights on the Seattle — Chicago route
The Seattle — Chicago route shows a classic seasonal pattern: prices rise, peak, then fall again. Knowing this, you can pick a more affordable time to fly.
Prices rise from December 2026 to July 2027 (+102%), then decline from November 2026 to December 2026 (40%). The cheapest tickets are in November 2026–December 2026 (averaging $154), while the priciest are in December 2026–July 2027 ($173).
For savings, plan your flight for November 2026–December 2026 — you could save up to 11%. Try to avoid December 2026–July 2027 when possible: prices are at their highest then.
Price spread on this route is 27%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
In different months, ticket prices from Seattle to Chicago vary: minimum — $115 (December 2026), maximum — $232 (July 2027). Typically, the flight costs $180–$425.
Seattle — Chicago
11/15/2026
Departure
Direct flight
AA294
starting at $232
Seattle — Chicago
11/12/2026
Departure
Direct flight
AS407
starting at $234
Seattle — Chicago
11/14/2026
Departure
Direct flight
AS429
starting at $235
Seattle — Chicago
12/08/2026
Departure
Direct flight
AA2273
starting at $122
Seattle — Chicago
11/16/2026
Departure
Direct flight
AA2761
starting at $230
Seattle — Chicago
12/13/2026
Departure
Direct flight
AS328
starting at $120
Seattle — Chicago
11/20/2026
Departure
Direct flight
AS328
starting at $160
Seattle — Chicago
11/13/2026
Departure
Direct flight
AS328
starting at $171
Seattle — Chicago
11/21/2026
Departure
Direct flight
AS538
starting at $240
The Seattle — Chicago route is served by multiple airlines, including American Airlines, Alaska Airlines, and Frontier Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $120, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
The cheapest flight ticket from Seattle to Chicago according to data for the last 48 hours costs $120
Often the best time to buy tickets from Seattle to Chicago is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Seattle to Chicago can be found flying in these months: December, November, July.
The fastest flights from Seattle to Chicago start from 3 hours 56 minutes in the air.
The following airlines operate direct flights on the route Seattle — Chicago: American Airlines, Alaska Airlines
The cheapest one-way flight from Seattle to Chicago departs on 12/13/2026, is operated by Alaska Airlines and costs $120
The cheapest roundtrip flight from Seattle to Chicago departs on 12/28/2026, is operated by Frontier Airlines and costs $292
Fastest flight from Seattle to Chicago takes 3h 56m
There are direct flights on this route 6 days a week: Su, Mo, Tu, Th, Fr, and Sa
The distance between Seattle and Chicago is 2788km (1729 miles). There are 23 direct flights from Seattle to Chicago. The time difference between Seattle and Chicago is 2h. Flights from Seattle begin at 5:30 AM. The latest flight from Seattle departs at 12:15 AM
We couldn't find any special offers for flights from Seattle to Chicago