Air Miles Calculator

Distance between Seattle, WA (BFI) and San Antonio, TX (SAT)

Flight distance from Seattle to San Antonio (Seattle Boeing Field – San Antonio International Airport) is 1777 miles / 2860 kilometers / 1544 nautical miles. Estimated flight time is 3 hours 51 minutes.

Driving distance from Seattle (BFI) to San Antonio (SAT) is 2146 miles / 3454 kilometers and travel time by car is about 37 hours 33 minutes.

Map of flight path and driving directions from Seattle to San Antonio.

Shortest flight path between Seattle Boeing Field (BFI) and San Antonio International Airport (SAT).

How far is San Antonio from Seattle?

There are several ways to calculate distances between Seattle and San Antonio. Here are two common methods:

Vincenty's formula (applied above)
  • 1777.272 miles
  • 2860.242 kilometers
  • 1544.407 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1776.547 miles
  • 2859.075 kilometers
  • 1543.777 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Airport information


A Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B San Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W

Time difference and current local times

The time difference between Seattle and San Antonio is 2 hours. San Antonio is 2 hours ahead of Seattle.

Time Difference

Seattle, WA

 PDT

San Antonio, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 198 kg (437 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → San Antonio (SAT).

Distance:
1777
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1777

Round trip?