ORD to SEA: Distance and Flight Time
The distance from Chicago O'Hare International Airport (ORD) to Seattle–Tacoma International Airport (SEA) is 2,762 km (1,716 mi). A typical nonstop flight covers it in about 3h 55m, heading northwest. The distance is the same in either direction (SEA to ORD).
How far is it from Chicago to Seattle?
The great-circle distance between Chicago O'Hare International Airport (ORD) and Seattle–Tacoma International Airport (SEA) is 2,762 km (1,716 mi, 1,491 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from ORD to SEA?
A nonstop flight typically takes about 3h 55m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. SEA is roughly northwest of ORD.
How is the ORD to SEA route written in code?
The pair is written ORD-SEA in IATA codes and KORD-KSEA in ICAO codes, the form used on a flight plan. Chicago O'Hare International Airport is ORD (KORD), Seattle–Tacoma International Airport is SEA (KSEA).
| ORD | SEA | |
|---|---|---|
| Airport | Chicago O'Hare International Airport | Seattle–Tacoma International Airport |
| ICAO code | KORD | KSEA |
| Country | United States | United States |
| Elevation | 680 ft | 433 ft |
| Rank by connections | #2 | #67 |
Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
SEA sits 247 ft (75 m) lower than ORD, which is a real difference in air density on takeoff.
Airlines flying ORD to SEA
4 airlines appear on this route in the open route dataset, 4 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| AA | American Airlines | AAL | American | Active |
| AS | Alaska Airlines | ASA | Alaska | Active |
| UA | United Airlines | UAL | United | Active |
| US | US Airways | USA | U S Air | Active |
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Chicago from Seattle?
Chicago O'Hare International Airport (ORD) and Seattle–Tacoma International Airport (SEA) are 2,762 km (1,716 mi, 1,491 nautical miles) apart in a straight line.
How long is the flight from ORD to SEA?
A typical nonstop flight between ORD and SEA takes about 3h 55m. Actual times vary with aircraft type, winds and routing.
What direction is SEA from ORD?
Seattle–Tacoma International Airport (SEA) lies roughly northwest of Chicago O'Hare International Airport (ORD).
Which airlines fly ORD to SEA?
4 airlines appear on the ORD-SEA route in the open dataset, including American Airlines, Alaska Airlines, United Airlines.
Related routes
Other routes from Chicago (ORD):
Other routes from Seattle (SEA):
ORD airport code · SEA airport code · Busiest airports worldwide