Find out what a flight from Seattle Lake Union to Chicago O'Hare might cost

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

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

What are the airport options between Seattle and Chicago?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

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

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Explore flights from Seattle Lake Union to Chicago O'Hare your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in United States? Check out: Las Vegas, Los Angeles, Miami, New York City, Orlando.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.