Seattle to Chicago Flights: SEA to ORD Flight Deals & Guide
Price data is being collected for this route. Check back soon.
Prices by Month
Price History
Tracking the Sep 3, 2026 departure — the cheapest date we found.
No price history yet. Check back after the next price check.
Price Behavior: SEA → ORD
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$0
Highest Fare
$234
Median Fare
$210
Price Spread
$234
Prices stay relatively stable on this route.
Cheapest month to fly: September 2026 (from $0)
Most expensive month: April 2026 (from $234)
Biggest price drop caught: $90 between consecutive checks
Most frequent cheapest airline: American
What This Means for You
Flights from Seattle to Chicago range from $0 to $234, a $234 spread across the months we track. If your dates are flexible, September 2026 tends to have the lowest fares. Prices are relatively stable on this route, so you may not need to wait long for a good deal. Tracking still helps you confirm you are getting a fair price. We have caught drops as large as $90 between hourly checks on this route.
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From
Seattle (SEA)
To
Chicago (ORD)
Airport Information
Seattle (SEA)
Seattle-Tacoma International Airport (SEA), commonly known as Sea-Tac, is the primary commercial airport serving the Seattle metropolitan area. Located about 14 miles south of downtown Seattle, it offers a wide array of amenities including local Pacific Northwest dining favorites, high-speed Wi-Fi, and a significant collection of public art. It serves as a major gateway for international and domestic travel.
Chicago (ORD)
Chicago O'Hare International Airport (ORD) is one of the world's busiest aviation hubs, located on the city's northwest side. It features four operational terminals and serves as a primary base for United Airlines and American Airlines. The airport is famous for its diverse food options, including legendary Chicago-style snacks, and its efficient connection to the city via the 'L' train system.
Frequently Asked Questions
How long is the flight from Seattle (SEA) to Chicago (ORD)?
The average non-stop flight duration is approximately 4 hours and 15 minutes, though eastbound flights may be slightly faster due to prevailing jet streams.
Which airlines offer direct flights between SEA and ORD?
Major carriers offering non-stop service include Alaska Airlines, United Airlines, and American Airlines, with multiple departures available daily.
What is the time difference between Seattle and Chicago?
Chicago is 2 hours ahead of Seattle. When it is 12:00 PM in Seattle (Pacific Time), it is 2:00 PM in Chicago (Central Time).
Is there a train from O'Hare to downtown Chicago?
Yes, the Chicago Transit Authority (CTA) Blue Line train runs directly from Terminal 2 at O'Hare to the downtown Loop area 24 hours a day.
When is the best time to book a flight for the lowest price?
Generally, booking at least 21 days in advance and choosing mid-week departures (Tuesdays or Wednesdays) yields the lowest fares for this route.
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