£64 Find Cheap Flights from Chicago to Seattle

In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Seattle was £85 for a one-way ticket and £163 for a return.

Chicago and Seattle are both served by 1 main airport. You will leave Chicago from Chicago O'Hare Intl and will be arriving at Seattle/Tacoma Intl.

American Airlines, Alaska Airlines, Hawaiian Airlines, and Delta offer inflight Wi-Fi service on the Chicago to Seattle flight route.

The Boeing 737-800 is the aircraft model that flies most regularly on the Chicago to Seattle flight route.

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Chicago and Seattle, with oneworld being the most commonly used for this route.

There are direct flights from Chicago to Seattle on a daily basis.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Seattle.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Chicago is likely to change within 7 days, so travellers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seattle with an airline and back to Chicago with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.