LAX to SEA Route Guide
Los Angeles, United States → Seattle, United States
Quick answer
KLAX (Los Angeles, United States) to KSEA (Seattle, United States) is a 830 NM (1,537 km / 955 mi) great-circle route with an initial bearing of 349° (N). Typical cruise altitude FL350, expected flight time 2h 16m, common aircraft: Boeing 737-800, Airbus A320neo, Airbus A321neo.
Distance
830 NM
1,537 km / 955 mi
Initial Bearing
349° (N)
True heading at departure
Typical Cruise
FL350
35,000 ft
Block Time
2h 16m
Typical jet, no wind correction
Fuel Estimate
3,990 kg
Single-aisle equivalent + reserve
Departure Elevation
128 ft
KLAX
Arrival Elevation
433 ft
KSEA
What aircraft fly this route?
For a 830 NM mission, operators typically deploy:
- Boeing 737-800
- Airbus A320neo
- Airbus A321neo
- Boeing 737 MAX 8
Weather considerations
Pilots flying LAX-SEA should brief METARs and TAFs at both ends, plus any en-route SIGMETs.
Frequently asked questions
What is the distance between LAX and SEA?
830 nautical miles (1,537 km / 955 statute miles) great-circle.
How long is the flight from Los Angeles to Seattle?
Approximately 2h 16m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly LAX-SEA?
Common types include Boeing 737-800, Airbus A320neo, Airbus A321neo, Boeing 737 MAX 8 depending on operator and demand.
What altitude do flights cruise at?
Most flights at this distance cruise around FL350 (35,000 ft), though winds and traffic affect filed altitude.
What initial heading is the route?
349° true (N). Track varies along the route due to great-circle curvature.
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