How much is a flight from Chicago O'Hare to Seattle Boeing Field?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Chicago and Seattle.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Chicago O'Hare - Seattle Boeing Field route.

Flying between Chicago and Seattle? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Chicago: Chicago has 3 airports - Midway, O'Hare, Rockford.
• Airports in Seattle: Seattle has 2 airports - Boeing Field, Lake Union.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Chicago airports in a single search.

Flight filters for the route Chicago O'Hare – Seattle Boeing Field

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to United States are often searched alongside: Atlanta, Los Angeles, Miami, New York City, Orlando.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.