What is the distance between Portland and Seaside?

The distance covered from Portland to Seaside is 111 km (69 miles).

Bus Portland to Seaside from $28 | Refundable Tickets

Next bus departures

Next departures for Portland to Seaside on November 18
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	8:28am	Union Station	2h 44m	11:12am	Seaside Cinema	Cheapest
Bus	5:50pm	Union Station	2h 33m	8:23pm	N Holladay Dr	Fastest
Bus	5:50pm	Union Station	2h 37m	8:27pm	Seaside Cinema	No tags
Bus	8:28am	Union Station	2h 39m	11:07am	N Holladay Dr	No tags

Last refresh of the prices: Last Tuesday at 6:15 PM PST.

Get from Portland to Seaside

This route is served by bus only

The journey takes about 2 hours 37 minutes, and with fares starting at just $31, it presents an excellent value for a comfortable ride.

3bus per day

2h 37mAverage Duration

110 kmDistance

3kgCO₂ emissions

Compare bus companies

Amtrak

4/55,591 reviews

Staff4.7

Timeliness3.8

Cleanliness4.6

Wifi3.6

Based on 5591 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 Portland Seaside recent customer reviews

It was a very nice ride. I enjoyed it

Sharene J.

October 24, 2025

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

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

What is the distance between Portland and Seaside?
The distance covered from Portland to Seaside is 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

11-15

$28

11-16

$28

Today

$28

11-18

$28

11-19

$28

11-20

$28

11-21

$28

11-22

$28

The cheapest trip from Portland, OR to Seaside was searched and found on Nov 15, 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 Portland, OR to Seaside, as early as possible.

You can expect to pay from $28 to $28 for a bus ticket from Portland, OR to Seaside based on the last 2 days. You can expect to find the cheapest price for the trip at $28 which is on 2025-11-18.