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

Flight distance from San Antonio to Seattle (San Antonio International Airport – Seattle–Tacoma International Airport) is 1774 miles / 2855 kilometers / 1542 nautical miles. Estimated flight time is 3 hours 51 minutes.

Driving distance from San Antonio (SAT) to Seattle (SEA) is 2153 miles / 3465 kilometers and travel time by car is about 39 hours 57 minutes.

San Antonio – Seattle

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1774
Miles
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2855
Kilometers
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1542
Nautical miles

How far is Seattle from San Antonio?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 1774.274 miles
  • 2855.417 kilometers
  • 1541.802 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
  • 1773.538 miles
  • 2854.233 kilometers
  • 1541.162 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).

Flight Duration

Estimated flight time from San Antonio International Airport to Seattle–Tacoma International Airport is 3 hours 51 minutes.

Time difference

The time difference between San Antonio and Seattle is 2 hours. Seattle is 2 hours behind San Antonio.
San Antonio time to Seattle time converter

Carbon dioxide emissions

On average flying from San Antonio to Seattle generates about 198 kg of CO2 per passenger, 198 kilograms is equal to 437 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

Shortest flight path between San Antonio International Airport (SAT) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin 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
Destination Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

Airlines flying from San Antonio (SAT) to Seattle (SEA)

Alaska Airlines