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How far is Seattle, WA, from Houston, TX?

The distance between Houston (Houston George Bush Intercontinental Airport) and Seattle (Seattle–Tacoma International Airport) is 1874 miles / 3016 kilometers / 1628 nautical miles.

The driving distance from Houston (IAH) to Seattle (SEA) is 2331 miles / 3752 kilometers, and travel time by car is about 41 hours 22 minutes.

Houston George Bush Intercontinental Airport – Seattle–Tacoma International Airport

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1874
Miles
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3016
Kilometers
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1628
Nautical miles

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Distance from Houston to Seattle

There are several ways to calculate the distance from Houston to Seattle. Here are two standard methods:

Vincenty's formula (applied above)
  • 1873.816 miles
  • 3015.614 kilometers
  • 1628.301 nautical miles

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

Haversine formula
  • 1872.446 miles
  • 3013.409 kilometers
  • 1627.111 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).

How long does it take to fly from Houston to Seattle?

The estimated flight time from Houston George Bush Intercontinental Airport to Seattle–Tacoma International Airport is 4 hours and 2 minutes.

Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Seattle–Tacoma International Airport (SEA)

On average, flying from Houston to Seattle generates about 206 kg of CO2 per passenger, and 206 kilograms equals 454 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Houston to Seattle

See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″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 Houston (IAH) to Seattle (SEA)

Alaska Airlines
Delta Air Lines
United Airlines