Distance From San Antonio Airport to Seattle–Tacoma International Airport

The distance from San Antonio Airport () to Seattle–Tacoma International Airport (SEA) is 6252 miles or 10061 kilometers or 5429 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

---

How long does it take to travel from São Luís de Montes Belos ( Brazil ) to Seattle ( United States )?

A one-way nonstop (direct) flight between São Luís de Montes Belos and Seattle takes around 14 hours 22 minutes.

Estimated flight time from San Antonio Airport, São Luís de Montes Belos, Brazil to Seattle–Tacoma International Airport, Seattle, United States is 14 hours 22 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - SEA

Kilometers		10061 km
Statute Miles		6252 miles
Nautical Miles		5429 nm
Avg. Time of Flight		14 hours 22 minutes

San Antonio Airport to Seattle–Tacoma International Airport Flight Route Map - to SEA Flight Path

Location of San Antonio Airport & Seattle–Tacoma International Airport is given below.
Click the map to view São Luís de Montes Belos to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between São Luís de Montes Belos, Brazil and Seattle, United States. .

Nonstop flight route between São Luís de Montes Belos, Brazil and Seattle, United States.

Time Difference Between the Airports • - SEA

Time difference between São Luís de Montes Belos (Brazil) and Seattle (United States) is 3 Hours.
Seattle time is 3 Hours behind São Luís de Montes Belos.

Location	Local Time
São Luís de Montes Belos (Brazil)	2025-12-06, 16:43:50 -04
Seattle (United States)	2025-12-06, 13:43:50 MST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

San Antonio Airport ( / ) São Luís de Montes Belos, Brazil

Destination

Seattle–Tacoma International Airport (SEA / KSEA) Seattle, United States