Distance between cities › USA › Oregon › Tigard, OR › Distance from Tigard to Seattle–Tacoma International Airport Book Hotels

Distance from Tigard, OR to SEA Airport

Distance

171 mi

Time

3 hours 31 mins

Gas Cost

$14 - $27

Helpful Inaccurate

There are 141.22 miles from Tigard to Seattle–Tacoma International Airport (SEA) in north direction and 171 miles (275.20 kilometers) by car, following the I-5 route.

Tigard and SEA Airport are 3 hours 31 mins far apart, if you drive non-stop .

This is the fastest route from Tigard, OR to SEA Airport. The halfway point is Napavine, WA.

Tigard, OR and SEA Airport are in the same time zone (PDT). Current time in both locations is 2:51 pm.

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Lowest Price Rental Cars in Tigard, OR

Planning on renting a car to go from Tigard, OR to SEA Airport? Here there are some offers to rent a car in Tigard, OR

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Tigard »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 6.87 gallons of gas to cover the route between Tigard, OR and SEA Airport.

The estimated cost of gas to go from Tigard to SEA Airport is $19.57.

During the route, an average car will release 134.61 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $2.85 per gallon of regular gas. Price last updated on March 5, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Tigard, OR and SEA Airport

If you want to meet halfway between Tigard, OR and SEA Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.603535 and -122.919235, or 46º 36' 12.726" N, 122º 55' 9.246" W. This location is 85.54 miles away from Tigard, OR and SEA Airport and it would take approximately 1 hour 45 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Napavine, WA, situated 90 miles from Tigard, OR and 85 miles from SEA Airport. It would take 1 hour 28 mins to go from Tigard to Napavine and 1 hour 31 mins to go from SEA to Napavine.