O'Hare International Airport
17 miles (27 km) from the city centre. 84.9 million passengers in 2025
| How | Route | Time | Cost |
|---|---|---|---|
| Train | CTA Blue Line to the Loop, runs 24 hours | about 42m | $5 |
Flights from SEA to ORD
4 airlines fly nonstop from Seattle-Tacoma International Airport to O'Hare International Airport. Seattle-Tacoma International Airport (Seattle) to O'Hare International Airport (Chicago).
- Distance
- 1,716 mi
- Nonstop flight
- Varies
- Time difference
- +2h
- Nonstop airlines
- 4
Fares from SEA to ORD
Checking today’s fares with the airlines.
Nonstop flights
| Airline | From | To |
|---|---|---|
| Alaska Airlines | SEA Seattle-Tacoma International Airport | ORD O'Hare International Airport |
| Delta Air Lines | SEA Seattle-Tacoma International Airport | ORD O'Hare International Airport |
| United Airlines | SEA Seattle-Tacoma International Airport | ORD O'Hare International Airport |
| American Airlines | SEA Seattle-Tacoma International Airport | ORD O'Hare International Airport |
Nonstop service as of October 2026. Airlines change schedules seasonally.
Getting from the airport into Chicago
Before you go
Domestic travel within the United States: no passport or visa is needed, but adults must show a REAL ID-compliant license or another accepted ID at airport security.
Chicago is 2 hours ahead of Seattle. Chicago uses the US dollar (USD).
Read the Chicago guide: when to go, weather, airports and tips
Frequently asked questions
How long is the flight from SEA to ORD?
Nonstop flight times vary by airline and season; flights with a connection take longer.
Which airlines fly nonstop from SEA to ORD?
As of October 2026, Alaska Airlines, Delta Air Lines, United Airlines and American Airlines fly this route nonstop.
How far is ORD from SEA?
About 1,716 miles (2,762 km) between the airports.
What is the time difference?
Chicago is 2 hours ahead of Seattle.
What ID do I need to fly to Chicago?
Domestic travel within the United States: no passport or visa is needed, but adults must show a REAL ID-compliant license or another accepted ID at airport security.
How do I get from O'Hare International Airport into Chicago?
CTA Blue Line to the Loop, runs 24 hours, about 42 minutes, $5.
Related pages
Sources
Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.