How much is a ticket from Chicago Rockford to Seattle Lake Union?

Depending on when you travel and how far in advance you book, fares between Chicago and Seattle can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

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.

Match your flight search to your preferences: Chicago Rockford – Seattle Lake Union

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from Expedia, Delta, United, American, and more.

Other popular destinations

Thinking about traveling to United States? Other users also viewed: Atlanta, Los Angeles, Miami, New York City, Orlando.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.