EWR to SEA: Distance and Flight Time
The distance from Newark Liberty International Airport (EWR) to Seattle–Tacoma International Airport (SEA) is 3,855 km (2,395 mi). A typical nonstop flight covers it in about 5h 20m, heading northwest. The distance is the same in either direction (SEA to EWR).
How far is it from Newark to Seattle?
The great-circle distance between Newark Liberty International Airport (EWR) and Seattle–Tacoma International Airport (SEA) is 3,855 km (2,395 mi, 2,082 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 EWR to SEA?
A nonstop flight typically takes about 5h 20m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. SEA is roughly northwest of EWR.
How is the EWR to SEA route written in code?
The pair is written EWR-SEA in IATA codes and KEWR-KSEA in ICAO codes, the form used on a flight plan. Newark Liberty International Airport is EWR (KEWR), Seattle–Tacoma International Airport is SEA (KSEA).
| EWR | SEA | |
|---|---|---|
| Airport | Newark Liberty International Airport | Seattle–Tacoma International Airport |
| ICAO code | KEWR | KSEA |
| Country | United States | United States |
| Elevation | 18 ft | 433 ft |
| Rank by connections | #45 | #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 415 ft (126 m) higher than EWR, which is a real difference in air density on takeoff.
Airlines flying EWR to SEA
2 airlines appear on this route in the open route dataset, 2 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 |
|---|---|---|---|---|
| AS | Alaska Airlines | ASA | Alaska | Active |
| UA | United Airlines | UAL | United | Active |
A further 1 carrier sell this pair as a codeshare without operating it: AA.
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 Newark from Seattle?
Newark Liberty International Airport (EWR) and Seattle–Tacoma International Airport (SEA) are 3,855 km (2,395 mi, 2,082 nautical miles) apart in a straight line.
How long is the flight from EWR to SEA?
A typical nonstop flight between EWR and SEA takes about 5h 20m. Actual times vary with aircraft type, winds and routing.
What direction is SEA from EWR?
Seattle–Tacoma International Airport (SEA) lies roughly northwest of Newark Liberty International Airport (EWR).
Which airlines fly EWR to SEA?
2 airlines appear on the EWR-SEA route in the open dataset, including Alaska Airlines, United Airlines.
Related routes
Other routes from Newark (EWR):
Other routes from Seattle (SEA):
EWR airport code · SEA airport code · Busiest airports worldwide