Starting at $240
Starting at $121
Starting at $240
Starting at $98
Helping travelers to find the best flight offers
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 direct 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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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 4 airlines operate flights from Chicago to Seattle, including Southwest Airlines, Alaska Airlines, Hawaiian Airlines, and Frontier Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $98, 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 $240
Starting at $121
Starting at $240
Starting at $98
Chicago — Seattle
09/13/2026
Departure
Direct flight
WN2826
Starting at $240
Chicago — Seattle
11/01/2026
Departure
Direct flight
AS407
Starting at $446
Chicago — Seattle
12/07/2025
Departure
Direct flight
HA1464
Starting at $240
Chicago — Seattle
12/13/2025
Departure
Direct flight
AS587
Starting at $121
Chicago — Seattle
12/15/2025
Departure
Direct flight
AS407
Starting at $147
Unable to find information about the schedule of direct flights from
The cheapest one-way flight from Chicago to Seattle departs on 12/15/2025, is operated by Frontier Airlines and costs $98
The cheapest roundtrip flight from Chicago to Seattle departs on 02/01/2026, is operated by Alaska Airlines and costs $131
Fastest flight from Chicago to Seattle takes 4h 41m
There are direct flights on this route 3 days a week: Su, Mo, and Sa
The distance between Chicago and Seattle is 2788km (1729 miles). There are 132 direct flights from Chicago to Seattle. The time difference between Chicago and Seattle is 2h. Flights from Chicago begin at 6:00 AM. The latest flight from Chicago departs at 8:34 PM
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 $98
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: December.
The fastest flights from Chicago to Seattle start from 4 hours 41 minutes in the air.
The following airlines operate direct flights on the route Chicago — Seattle: Southwest Airlines, Alaska Airlines, Hawaiian Airlines
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Chicago to Seattle