$95 Cheap American Airlines flights Seattle (SEA) to Chicago (ORD)

Use the “Price (lowest to highest)” filter on Expedia to search for cheap American Airlines round-trip flights from $189 from SEA to ORD. Affordable one-way fares from $95 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for one-way or round-trip flights to Chicago in January or February. You could find lower fares with American Airlines during these quieter months.

Begin your search one to three months ahead of your departure date to score cheaper fares on American Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to O’Hare Intl. Airport (ORD). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

American Airlines operates direct flights from Seattle - Tacoma Intl. Airport (SEA) to O’Hare Intl. Airport (ORD), with 6 departures each week. Simply select the “Nonstop” and “Airline” filters while searching on Expedia to see all direct American Airlines flights to ORD.

The journey time for a direct American Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to O’Hare Intl. Airport (ORD) takes around 4h 5m.

The first American Airlines flight from SEA to ORD takes off at 1:35PM UTC-8, arriving at 7:40PM UTC-6. If you’d like to jet off later, the last American Airlines flight leaves SEA at 1:35PM UTC-8 and lands at ORD at 7:40PM UTC-6. Flying before noon is generally a good idea as morning and mid-morning flights tend to experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Many American Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Chicago arrive at O’Hare Intl. Airport (ORD). This is the airline’s main entry point to the city. It’s worth checking Expedia for flights to nearby airports such as Midway Intl. Airport (MDW), as fares may be cheaper.

You’ll most likely board a Boeing 737-800 for your American Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to O’Hare Intl. Airport (ORD). However, you could be switched to an alternative aircraft if there’s an operational need.

Depending on the type of fare you purchased, a fee typically applies if you change or cancel your booking more than 24 hours after it has been confirmed. To secure tickets with more flexibility, select our “Changes included” or “No cancel fee” filter while searching for flights. For additional information on canceling or changing your reservation, visit “Trips,” select your flight and tick “Manage Booking.”