starting at $117
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starting at $95
starting at $195
Compare airlines, prices, and flight durations for your trip
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 Chicago to Seattle. 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 Chicago to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Chicago to Seattle:
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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.
More than 5 airlines operate flights from Chicago to Seattle, including Alaska Airlines, American Airlines, Southwest Airlines, Frontier Airlines, and United Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $95, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
starting at $117
starting at $122
starting at $127
starting at $95
starting at $195
Chicago — Seattle
05/02/2026
Departure
Direct flight
AS329
starting at $117
Chicago — Seattle
05/07/2026
Departure
Direct flight
AS329
starting at $117
Chicago — Seattle
05/08/2026
Departure
Direct flight
AS329
starting at $122
Chicago — Seattle
05/13/2026
Departure
Direct flight
AA1288
starting at $122
Chicago — Seattle
05/14/2026
Departure
Direct flight
WN3378
starting at $127
Chicago — Seattle
05/16/2026
Departure
Direct flight
WN3378
starting at $127
Chicago — Seattle
05/20/2026
Departure
Direct flight
AA1288
starting at $129
Chicago — Seattle
04/02/2026
Departure
Direct flight
AS349
starting at $134
Chicago — Seattle
09/10/2026
Departure
Direct flight
AS274
starting at $162
Chicago — Seattle
09/13/2026
Departure
Direct flight
AS343
starting at $171
Unable to find information about the schedule of direct flights from
The cheapest one-way flight from Chicago to Seattle departs on 05/12/2026, is operated by Frontier Airlines and costs $95
The cheapest roundtrip flight from Chicago to Seattle departs on 03/24/2026, is operated by Southwest Airlines and costs $176
Fastest flight from Chicago to Seattle takes 4h 30m
There are direct flights on this route 5 days a week: Su, We, Th, Fr, and Sa
The distance between Chicago and Seattle is 2788km (1729 miles). The time difference between Chicago and Seattle is 2h
We couldn't find any special offers for flights from Chicago to Seattle
The cheapest flight ticket from Chicago to Seattle according to data for the last 48 hours costs $95
Often the best time to buy tickets from Chicago to Seattle is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chicago to Seattle can be found flying in these months: May, April, September.
The fastest flights from Chicago to Seattle start from 4 hours 30 minutes in the air.
The following airlines operate direct flights on the route Chicago — Seattle: Alaska Airlines, American Airlines, Southwest Airlines
The cost of a one-way flight from Chicago to Seattle ranges from $95 (May 2026) to $285 (March 2026). On average, the ticket price is about $162–$169.