Direct (nonstop) flights from Chicago to Seattle
4 airlines fly nonstop from Chicago O Hare International (ORD) to Seattle Tacoma International (SEA). It's 1,720 miles (2,768 km), about 4h 41m in the air. Operated by American Airlines, Alaska Airlines, Delta Air Lines and others.
American Airlines
Alaska Airlines
Delta Air Lines
United Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
AA
American Airlines
AS
Alaska Airlines
DL
Delta Air Lines
UA
United Airlines
Alternative Routes
Other ways to fly from Chicago to Seattle with one stop · direct emits 291 kg CO₂ per passenger
Looking for the return flight?
SEA → ORD: Flights from Seattle to ChicagoOther direct flights from Chicago
Direct flights from Seattle (SEA)
Frequently Asked Questions
How long is the direct flight from Chicago to Seattle?
A nonstop flight from Chicago (ORD) to Seattle (SEA) takes approximately 4 hours and 41 minutes. The distance is 1,720 miles (2,768 km).
Which airlines fly nonstop from Chicago to Seattle?
4 airlines: American Airlines, Alaska Airlines, Delta Air Lines, United Airlines.
Is there a nonstop flight from Chicago to Seattle?
Yes. 4 airlines: American Airlines, Alaska Airlines, Delta Air Lines, United Airlines.
How far is Chicago from Seattle?
The flight distance from Chicago to Seattle is 1,720 miles (2,768 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Chicago to Seattle?
At 4h 41m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Chicago to Seattle?
Roughly 291 kg CO2 per passenger one-way. That's about the same as driving 1,455 km.
Is the return flight from Seattle to Chicago also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Chicago to Seattle?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Chicago O Hare International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.