Tualatin to SeaTac Buses

Tualatin to SeaTac buses

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Trip Overview

The average bus between Tualatin and SeaTac takes 6h 54m and the fastest bus takes 4h 23m. The bus service runs several times per day from Tualatin to SeaTac. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

6h 54m
Duration: 178 mi
Distance: $37
Average price: 3 times a day
Frequency

Bus

best

Take the bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airportbus FlixBus 2110 / ...

5h 31m

$27–47

Tualatin to SeaTac bus times

Buses run 3 times a day between Tualatin and SeaTac. The earliest departure is at 6:38 AM in the morning, and the last departure from Tualatin is at 9:46 PM which arrives into SeaTac at 9:35 AM. All services require a transfer at Tigard Transit Center and take an average of 6h 54m. The schedules shown below are for the next available departures.

Departing Saturday, October 31, 2026

2:46 PM → 7:35 PM
4h 49m • 2 changes
5:32 PM → 10:20 PM
4h 48m • 2 changes
9:46 PM → 9:35 AM
Arrives next day
12h 49m • 2 changes

Departing Sunday, November 1, 2026

6:38 AM → 11:10 AM
4h 32m • 2 changes
2:46 PM → 7:35 PM
4h 49m • 2 changes
9:46 PM → 9:35 AM
Arrives next day
11h 49m • 2 changes

Departing Monday, November 2, 2026

7:23 AM → 12:10 PM
4h 47m • 2 changes
2:56 PM → 7:35 PM
4h 39m • 2 changes
9:46 PM → 9:35 AM
Arrives next day
11h 49m • 2 changes

Departing Tuesday, November 3, 2026

7:23 AM → 12:10 PM
4h 47m • 2 changes
9:46 PM → 9:35 AM
Arrives next day
11h 49m • 2 changes

Departing Wednesday, November 4, 2026

7:23 AM → 12:10 PM
4h 47m • 2 changes
9:46 PM → 9:35 AM
Arrives next day
11h 49m • 2 changes

Departing Thursday, November 5, 2026

7:23 AM → 12:10 PM
4h 47m • 2 changes
2:12 PM → 6:35 PM
4h 23m • 2 changes
2:56 PM → 7:35 PM
4h 39m • 2 changes
5:56 PM → 10:20 PM
4h 24m • 2 changes
Show more

Departing Friday, November 6, 2026

7:23 AM → 12:10 PM
4h 47m • 2 changes
2:12 PM → 6:35 PM
4h 23m • 2 changes

Frequently asked questions

Want to know about travelling from Tualatin to SeaTac? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.

Trip Overview

Bus