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Cheap bus tickets from SeaTac to Portland
Find and compare the best ground travel options in one place.
Bus from SeaTac to Portland: Journey Information
There are 3 intercity buses per day from SeaTac to Portland. Traveling by bus from SeaTac to Portland usually takes around 3 hours and 6 minutes, but the fastest FlixBus US bus can make the trip in 2 hours and 45 minutes.
- Distance
- 134 mi (216 km)
- Shortest duration
- 2h 45m
- Cheapest price
- RON 115.34
- Trips per day
- 3
- Most frequent service
- FlixBus US
- Bus lines
- 1
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SeaTac to Portland Bus Schedule
Bus Trip Reviews from Wanderu Customers
Average score for buses from SeaTac to Portland (Based on 1 ratings and reviews)
5.0
There are several bus options that can take you from SeaTac to Portland:
See more detailsHow much is a bus ticket from SeaTac to Portland?
Bus tickets for a trip from SeaTac to Portland cost RON 128.03 on average. Opting to take a bus is a wallet-friendly way to make this trip. If you book your trip ahead of time using Wanderu, you can easily find bus tickets at or below this price.
Average bus ticket prices from SeaTac to Portland by travel date
If you're planning to travel by bus from SeaTac to Portland in the next month, the average ticket price is expected to range from RON 120 to RON 166. The cheapest bus tickets available in the next few weeks are for trips departing on September 30, 2026. If you’re looking to travel to Portland this week, bus tickets are available starting at RON 120.
Average bus ticket prices from SeaTac to Portland by month
Taking the bus from SeaTac to Portland is usually cheapest in October, when the average ticket price is only RON 148. If you're planning to take the bus from SeaTac to Portland during November, keep in mind that bus ticket prices may be higher than usual, with an average price of RON 240. However, booking your trip in advance can help you score a ticket at a better price.
Prices as travel date approaches
Most bus companies charge higher ticket prices closer to the date of travel, so it’s a good idea to buy your bus tickets as early as possible. To find the cheapest bus tickets, book your trip at least 20 days in advance. This way, you can save up to RON 72.77 on your bus ticket compared to booking last-minute.
What bus companies travel from SeaTac to Portland?
There is one intercity bus company available to search and book on Wanderu that operates from SeaTac to Portland. FlixBus US connects the two cities by bus, it offers multiple scheduled buses per day for you to choose from.
| Bus | Daily Trips | Avg. Time | Avg. Price |
|---|---|---|---|
| FlixBus US | 3 | 3h 6m | RON 164.01 |
FlixBus US is the American branch of German bus company FlixBus, known for providing sustainable, affordable, and modern bus travel. The company offers cheap bus tickets to popular urban destinations throughout the United States. FlixBus US buses include many amenities, including comfortable seats, free WiFi, power outlets at every seat, and an online portal for free entertainment. On average, FlixBus US operates 3 trips per day from SeaTac to Portland, and the average ticket for this route costs only RON 164.01.
Frequently asked questions about traveling by bus from SeaTac to Portland
There are 3 scheduled buses that travel from SeaTac to Portland every day, so you have a decent number of options to choose from. Furthermore, all of these are direct buses which you can take the entire route from SeaTac to Portland without transferring.
Trips per day
3
Direct trips
3
The bus takes an average of 3 hours and 6 minutes to cover the 134 miles from SeaTac to Portland. However, the fastest bus only takes 2 hours and 45 minutes. It's the perfect amount of time to take a nap, get some work done, or watch a movie. Keep in mind that your actual bus may arrive earlier or later than scheduled, depending on whether there is more or less traffic than usual.
Distance (mi)
134
Distance (km)
216
The first bus leaves at 8:10am and the last bus leaves at 8:35pm. To see the times for all buses from SeaTac to Portland, enter your specific travel dates in the search bar.
Earliest bus
8:10am
Latest bus
8:35pm
Sunday tends to be the busiest day for buses, as many passengers take the bus to Portland at the end of the week. If you are planning to travel on a Sunday, you should make sure to book tickets well in advance as they may sell out. On the other hand, Wednesday is typically the least busy day for bus travel on this route. If you're looking for some extra space on the bus, traveling mid-week is your best bet.
Most crowded
Sunday
Least crowded
Wednesday
City Information
Portland
Portland is the largest city in Oregon and accordingly one of the state's best vacation destinations. Also known as the City of Roses, this city along the Willamette River wows visitors with its diverse street food, quirky counterculture, and sprawling bookstores such as the world-famous Powell's Books.
Portland is the 5th best city in the United States for outdoor activities, thanks in part to open-air grounds like the expansive Forest Park. Gardens are also excellent outdoor date locales for couples on a romantic getaway: stop and smell the roses at either the International Rose Test Garden or the Portland Japanese Garden.
Once you've gotten hungry from a long day wandering outside, nearly every block downtown has a plethora of food trucks waiting to tickle your taste buds. Or, kick back at one of the many breweries in the #3 best city for craft beer in the United States. Unique locations like McMenamin's brewpubs in renovated cinemas or historic hotels do their part to "keep Portland weird."
As the biggest city in Oregon, Portland is a hub for travel throughout the Pacific Northwest. Amtrak train service and various bus services operate primarily out of Union Station, conveniently-located downtown, and nearby Portland International Airport makes it easy to travel to Portland from near and far.
Station Information
Where does the bus leave from in SeaTac?
Main departure station: Seattle Seatac Arpt (E)
Most buses depart from the main station in SeaTac.
All bus stations in SeaTac:
- Seattle Seatac Arpt (E)
Where does the bus arrive in Portland?
Main arrival station: 7411 NW Station Way
All buses from SeaTac arrive at one main station in Portland.
All bus stations in Portland:
- 7411 NW Station Way
Need a return trip from Portland to SeaTac?
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