What is the distance between Seaside and Portland?

The distance between Seaside and Portland is around 111 km (69 miles).

Bus Seaside to Portland from $28 | Refundable Tickets

Next bus departures

Next departures for Seaside to Portland on November 18
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	6:30pm	N Holladay Dr	2h 30m	9:00pm	Union Station	CheapestFastest
	Bus	6:26pm	Seaside Cinema	2h 34m	9:00pm	Union Station	No tags

Next departures for Seaside to Portland on November 19
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	9:13am	N Holladay Dr	2h 32m	11:45am	Union Station	Cheapest
Bus	6:30pm	N Holladay Dr	2h 30m	9:00pm	Union Station	Fastest
Bus	9:09am	Seaside Cinema	2h 36m	11:45am	Union Station	No tags
Bus	6:26pm	Seaside Cinema	2h 34m	9:00pm	Union Station	No tags

Next departures for Seaside to Portland on November 21
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	9:13am	N Holladay Dr	2h 32m	11:45am	Union Station	Cheapest
Bus	6:30pm	N Holladay Dr	2h 30m	9:00pm	Union Station	Fastest
Bus	9:09am	Seaside Cinema	2h 36m	11:45am	Union Station	No tags
Bus	6:26pm	Seaside Cinema	2h 34m	9:00pm	Union Station	No tags

Last refresh of the prices: 2025-11-11 PST.

Get from Seaside to Portland

This route is served by bus only

The journey takes about 2 hours 32 minutes, and with fares starting at just $31, it presents an excellent value for a comfortable ride.

3bus per day

2h 32mAverage Duration

110 kmDistance

3kgCO₂ emissions

Compare bus companies

Amtrak

4/55,593 reviews

Staff4.7

Timeliness3.8

Cleanliness4.6

Wifi3.6

Based on 5593 reviews, the company was rated 4.1 stars on Busbud. Travellers were especially satisfied with the seats and the ticket access but often complained with the WiFi. Amtrak ticket prices on this trip start at $31

Amtrak Seaside Portland recent customer reviews

Easy. Efficient. Connected to Redline in Beaverton easily

Stewart A.

January 10, 2025

US Bus Companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, Sindbad

Frequently asked questions about travelling from Seaside to Portland, OR by bus

What is the distance between Seaside and Portland?
The distance between Seaside and Portland is around 111 km (69 miles).

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

11-16

$28

11-17

$28

Today

$28

11-19

$28

11-20

$28

11-21

$28

11-22

$28

11-23

$28

The cheapest trip from Seaside to Portland, OR was searched and found on Nov 16, 2025 with a price of $28

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Seaside to Portland, OR, as early as possible.

You can expect to pay from $28 to $28 for a bus ticket from Seaside to Portland, OR based on the last 2 days. You can expect to find the cheapest price for the trip at $28 which is on 2025-11-19.