Houston (IAH) to Seattle (SEA)

Flight Distance & Air Miles

✈️ 1,872
miles
3,013
kilometers
1,627
nautical miles

🕐 4h 4m
Flight Time
🧭 NW (318°)
Direction
🌍 -2h
Time Difference

💳 Frequent Flyer Miles You'll Earn

Airline Base Miles Elite Total
🇺🇸
American Airlines
AAdvantage
1,872 2,995
Platinum
🔺
Delta Air Lines
SkyMiles
1,872 2,995
Gold Medallion
United Airlines
MileagePlus
1,872 2,808
Premier Gold
❤️
Southwest Airlines
Rapid Rewards
1,872 2,808
A-List Preferred
🏔️
Alaska Airlines
Mileage Plan
1,872 3,744
MVP Gold
🔵
JetBlue Airways
TrueBlue
1,872 2,808
Mosaic

* Elite bonus miles shown for mid-tier status. Actual miles earned depend on your fare class and elite status level.

Calculate Another Route

💡 Did You Know?

Flights between Houston and Seattle follow a "great circle" route that curves over the Earth's surface - this is actually shorter than flying in a straight line on a flat map!

✈️ Flight Details

The IAH to SEA route connects Houston, United States with Seattle, United States. This long-haul flight covers 1,872 miles and typically uses narrow-body aircraft like Boeing 737 or Airbus A320.

This is a domestic flight within United States. The flight follows a NW bearing of 318° from Houston. There is a 2 hour time difference between the airports.

🛫 About IAH

George Bush Intercontinental Houston Airport

George Bush Intercontinental Houston Airport (IAH) serves Houston, United States.

🛬 About SEA

Seattle Tacoma International Airport

Seattle Tacoma International Airport (SEA) serves Seattle, United States.

❓ Frequently Asked Questions

The flight distance from George Bush Intercontinental Houston Airport to Seattle Tacoma International Airport is 1,872 miles (3,013 kilometers). This is the great circle distance - the shortest path between the two airports.
Direct flights from IAH to SEA typically take around 4h 4m. Return flights may vary slightly due to prevailing winds.
You'll earn approximately 1,872 base miles on most airline loyalty programs. Elite status members earn bonus miles on top of this base amount.
Multiple airlines typically operate this route. Check with major carriers including American, Delta, United, and other airlines that serve these airports.