SAT to SEA Route Guide

San Antonio, United States β†’ Seattle, United States

Quick answer

KSAT (San Antonio, United States) to KSEA (Seattle, United States) is a 1,541 NM (2,854 km / 1,773 mi) great-circle route with an initial bearing of 321Β° (NW). Typical cruise altitude FL350, expected flight time 3h 50m, common aircraft: Boeing 737-800, Airbus A320neo, Airbus A321neo.

Distance

1,541 NM

2,854 km / 1,773 mi

Initial Bearing

321Β° (NW)

True heading at departure

Typical Cruise

FL350

35,000 ft

Block Time

3h 50m

Typical jet, no wind correction

Fuel Estimate

6,123 kg

Single-aisle equivalent + reserve

Departure Elevation

809 ft

KSAT

Arrival Elevation

433 ft

KSEA

What aircraft fly this route?

For a 1,541 NM mission, operators typically deploy:

  • Boeing 737-800
  • Airbus A320neo
  • Airbus A321neo
  • Boeing 737 MAX 8

Weather considerations

Pilots flying SAT-SEA should brief METARs and TAFs at both ends, plus any en-route SIGMETs.

Frequently asked questions

What is the distance between SAT and SEA?

1,541 nautical miles (2,854 km / 1,773 statute miles) great-circle.

How long is the flight from San Antonio to Seattle?

Approximately 3h 50m block-to-block for a typical commercial jet, depending on aircraft type and winds.

What aircraft typically fly SAT-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?

321Β° true (NW). Track varies along the route due to great-circle curvature.

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