SeaTac to C St SW & Highway 18 Buses

Trip Overview

The average bus between SeaTac and C St SW & Highway 18 takes 1h 1m and the fastest bus takes 36 min. The bus runs at least 3 times per hour from SeaTac to C St SW & Highway 18. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

1h 1m
Duration: 15 mi
Distance: $6
Average price: Every 20 minutes
Frequency

Bus, line 181 bus

best

Take the bus from International Blvd & S 176th St - Bay 1 to Federal Way Downtown Station - Bay 11bus A Line
Take the bus from Federal Way Downtown Station - Bay 13 to C St SW & Highway 18bus 181

1h 1m

SeaTac to C St SW & Highway 18 bus times

Buses run every 20 minutes between SeaTac and C St SW & Highway 18. The earliest departure is at 4:53 AM at night, and the last departure from SeaTac is at 11:50 PM which arrives into C St SW & Highway 18 at 12:38 AM. All services require a transfer at Federal Way Downtown Station - Bay 11 and take an average of 1h 1m. The schedules shown below are for the next available departures.

Departing Sunday, November 8, 2026

6:42 PM → 7:34 PM
52 min • 1 change
7:06 PM → 8:04 PM
58 min • 1 change
7:42 PM → 8:34 PM
52 min • 1 change
8:06 PM → 9:07 PM
1h 1m • 1 change
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Departing Monday, November 9, 2026

4:53 AM → 5:29 AM
36 min • 1 change
5:23 AM → 6:07 AM
44 min • 1 change
5:35 AM → 6:28 AM
53 min • 1 change
5:50 AM → 6:46 AM
56 min • 1 change
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Departing Tuesday, November 10, 2026

4:53 AM → 5:29 AM
36 min • 1 change
5:23 AM → 6:07 AM
44 min • 1 change
5:35 AM → 6:28 AM
53 min • 1 change
5:50 AM → 6:46 AM
56 min • 1 change
Show more

Departing Wednesday, November 11, 2026

4:53 AM → 5:29 AM
36 min • 1 change
5:23 AM → 6:07 AM
44 min • 1 change
5:35 AM → 6:28 AM
53 min • 1 change
5:50 AM → 6:46 AM
56 min • 1 change
Show more

Departing Thursday, November 12, 2026

4:53 AM → 5:29 AM
36 min • 1 change
5:23 AM → 6:07 AM
44 min • 1 change
5:35 AM → 6:28 AM
53 min • 1 change
5:50 AM → 6:46 AM
56 min • 1 change
Show more

Departing Friday, November 13, 2026

4:53 AM → 5:29 AM
36 min • 1 change
5:23 AM → 6:07 AM
44 min • 1 change
5:35 AM → 6:28 AM
53 min • 1 change
5:50 AM → 6:46 AM
56 min • 1 change
Show more

Departing Saturday, November 14, 2026

5:35 AM → 6:30 AM
55 min • 1 change
6:05 AM → 7:00 AM
55 min • 1 change
6:41 AM → 7:31 AM
50 min • 1 change
7:05 AM → 8:01 AM
56 min • 1 change
Show more

Frequently asked questions

Want to know about travelling from SeaTac to C St SW & Highway 18? 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.