Bus Portland, OR to Seattle/Tacoma Airport (SEA): Find cheap tickets

Compare all timetables for the shuttles from Portland, OR to Seattle/Tacoma Airport

Here is a selection of the cheapest shuttle trips from the schedule from Portland, OR to Seattle/Tacoma Airport from various bus operators like FlixBus for the next days.

today

$29

tomorrow

$32

Monday

$27

Tuesday

$33

Wednesday

Thursday

$25

Friday

$27

Cheapest bus trips today
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
FlixBus	3h 10m	7:10 PM	Portland, OR	Greyhound Bus Station	10:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$29	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/8/2025 7:10:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/8/2025 10:20:00 PM. 50 Economy ticket for $29 per person are available. Travel duration is 3h 10m
FlixBus	3h 20m	3:00 PM	Portland, OR	Greyhound Bus Station	6:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$31	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/8/2025 3:00:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/8/2025 6:20:00 PM. 50 Economy ticket for $31 per person are available. Travel duration is 3h 20m
FlixBus	3h 15m	7:00 AM	Portland, OR	Greyhound Bus Station	10:15 AM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$33	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/8/2025 7:00:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/8/2025 10:15:00 AM. 50 Economy ticket for $33 per person are available. Travel duration is 3h 15m
FlixBus	3h 25m	9:35 AM	Portland, OR	Greyhound Bus Station	1:00 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$33	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/8/2025 9:35:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/8/2025 1:00:00 PM. 50 Economy ticket for $33 per person are available. Travel duration is 3h 25m

Cheapest bus trips tomorrow
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
FlixBus	3h 15m	7:00 AM	Portland, OR	Greyhound Bus Station	10:15 AM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$32	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/9/2025 7:00:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/9/2025 10:15:00 AM. 50 Economy ticket for $32 per person are available. Travel duration is 3h 15m
FlixBus	3h 10m	7:10 PM	Portland, OR	Greyhound Bus Station	10:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$36	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/9/2025 7:10:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/9/2025 10:20:00 PM. 50 Economy ticket for $36 per person are available. Travel duration is 3h 10m
FlixBus	3h 20m	3:00 PM	Portland, OR	Greyhound Bus Station	6:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$39	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/9/2025 3:00:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/9/2025 6:20:00 PM. 50 Economy ticket for $39 per person are available. Travel duration is 3h 20m
FlixBus	3h 25m	9:35 AM	Portland, OR	Greyhound Bus Station	1:00 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$49	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/9/2025 9:35:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/9/2025 1:00:00 PM. 50 Economy ticket for $49 per person are available. Travel duration is 3h 25m

Cheapest bus trips Monday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
FlixBus	3h 10m	7:10 PM	Portland, OR	Greyhound Bus Station	10:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$27	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/10/2025 7:10:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/10/2025 10:20:00 PM. 50 Economy ticket for $27 per person are available. Travel duration is 3h 10m
FlixBus	3h 15m	7:00 AM	Portland, OR	Greyhound Bus Station	10:15 AM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$28	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/10/2025 7:00:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/10/2025 10:15:00 AM. 50 Economy ticket for $28 per person are available. Travel duration is 3h 15m
FlixBus	3h 20m	3:00 PM	Portland, OR	Greyhound Bus Station	6:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$28	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/10/2025 3:00:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/10/2025 6:20:00 PM. 50 Economy ticket for $28 per person are available. Travel duration is 3h 20m
FlixBus	3h 25m	9:35 AM	Portland, OR	Greyhound Bus Station	1:00 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$29	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/10/2025 9:35:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/10/2025 1:00:00 PM. 50 Economy ticket for $29 per person are available. Travel duration is 3h 25m

Cheapest bus trips Tuesday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
FlixBus	3h 15m	7:00 AM	Portland, OR	Union Bus Station	10:15 AM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$33	A Bus from FlixBus goes from Union Bus Station, Portland, OR (USA) at 11/11/2025 7:00:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/11/2025 10:15:00 AM. 50 Economy ticket for $33 per person are available. Travel duration is 3h 15m
FlixBus	3h 10m	7:10 PM	Portland, OR	Union Bus Station	10:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$33	A Bus from FlixBus goes from Union Bus Station, Portland, OR (USA) at 11/11/2025 7:10:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/11/2025 10:20:00 PM. 50 Economy ticket for $33 per person are available. Travel duration is 3h 10m
FlixBus	3h 25m	9:35 AM	Portland, OR	Union Bus Station	1:00 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$34	A Bus from FlixBus goes from Union Bus Station, Portland, OR (USA) at 11/11/2025 9:35:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/11/2025 1:00:00 PM. 50 Economy ticket for $34 per person are available. Travel duration is 3h 25m

Cheapest bus trips Thursday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
FlixBus	3h 15m	7:00 AM	Portland, OR	Greyhound Bus Station	10:15 AM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$25	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/13/2025 7:00:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/13/2025 10:15:00 AM. 50 Economy ticket for $25 per person are available. Travel duration is 3h 15m
FlixBus	3h 10m	7:10 PM	Portland, OR	Greyhound Bus Station	10:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$25	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/13/2025 7:10:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/13/2025 10:20:00 PM. 50 Economy ticket for $25 per person are available. Travel duration is 3h 10m
FlixBus	3h 25m	9:35 AM	Portland, OR	Greyhound Bus Station	1:00 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$26	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/13/2025 9:35:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/13/2025 1:00:00 PM. 50 Economy ticket for $26 per person are available. Travel duration is 3h 25m
FlixBus	3h 20m	3:00 PM	Portland, OR	Greyhound Bus Station	6:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$26	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/13/2025 3:00:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/13/2025 6:20:00 PM. 50 Economy ticket for $26 per person are available. Travel duration is 3h 20m

Cheapest bus trips Friday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
FlixBus	3h 15m	7:00 AM	Portland, OR	Greyhound Bus Station	10:15 AM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$27	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/14/2025 7:00:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/14/2025 10:15:00 AM. 50 Economy ticket for $27 per person are available. Travel duration is 3h 15m
FlixBus	3h 25m	9:35 AM	Portland, OR	Greyhound Bus Station	1:00 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$27	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/14/2025 9:35:00 AM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/14/2025 1:00:00 PM. 50 Economy ticket for $27 per person are available. Travel duration is 3h 25m
FlixBus	3h 20m	3:00 PM	Portland, OR	Greyhound Bus Station	6:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$27	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/14/2025 3:00:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/14/2025 6:20:00 PM. 50 Economy ticket for $27 per person are available. Travel duration is 3h 20m
FlixBus	3h 10m	7:10 PM	Portland, OR	Greyhound Bus Station	10:20 PM	Seattle/Tacoma Airport	Seattle/Tacoma Airport	Economy	$27	A Bus from FlixBus goes from Greyhound Bus Station, Portland, OR (USA) at 11/14/2025 7:10:00 PM to Seattle/Tacoma Airport, Seattle/Tacoma Airport (USA) arriving at 11/14/2025 10:20:00 PM. 50 Economy ticket for $27 per person are available. Travel duration is 3h 10m

Best Price Offer: The price for the cheapest bus from Portland, OR to Seattle/Tacoma Airport is $21 on 11/18/2025. Flexible travelers save on ticket prices.

Frequency of bus connections between Portland, OR and Seattle/Tacoma Airport

See here how frequent the connections between Portland, OR and Seattle/Tacoma Airport are, during different times and days of the week.

Sunday is the busiest day, with more than 8 daily buses from Portland, OR to Seattle/Tacoma Airport. Tuesday has instead the fewest connections, with only 3 daily coaches between Portland, OR and Seattle/Tacoma Airport.

The busiest time of the day is the Morning, with 22 buses from Portland, OR to Seattle/Tacoma Airport, while Afternoon sees the fewest connections between Portland, OR and Seattle/Tacoma Airport, with 10 offers.

Facts about the bus from Portland, OR to Seattle/Tacoma Airport (SEA)

Compare all providers like FlixBus that travel 7 times every day by bus from Portland, OR to Seattle/Tacoma Airport in one click! Book your bus ticket from Portland, OR to Seattle/Tacoma Airport starting from $21!

Cheapest Bus	$21
Fastest Bus	3h 10m
Earliest Bus	7:00 AM
Latest Bus	7:10 PM
Daily Bus Routes	7 Ø
Distance	134.3 miles
Bus Companies	FlixBus

Cheapest bus connections from Portland, OR to Seattle/Tacoma Airport

Every day, 7 buses from 1 bus companies leave Portland, OR for Seattle/Tacoma Airport: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 11/08/2025 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 11/02

Monday 11/03

Tuesday 11/04

Wednesday 11/05

Thursday 11/06

Friday 11/07

Saturday 11/08

$29

Sunday 11/09

$32

Monday 11/10

$36

Tuesday 11/11

$33

Wednesday 11/12

Thursday 11/13

$25

Friday 11/14

$27

Saturday 11/15

$24

Sunday 11/16

$23

Monday 11/17

$21

Tuesday 11/18

$21

Wednesday 11/19

$24

Thursday 11/20

$27

Friday 11/21

Saturday 11/22

$30

Sunday 11/23

$34

Monday 11/24

Tuesday 11/25

$37

Wednesday 11/26

Thursday 11/27

$37

Friday 11/28

$37

Saturday 11/29

The cheapest time to travel from Portland, OR to Seattle/Tacoma Airport

See here on which day and which time of the day you can find the cheapest bus ticket from Portland, OR to Seattle/Tacoma Airport, for the next 30 days.

With a price starting from $21, Tuesday is the cheapest day for a bus from Portland, OR to Seattle/Tacoma Airport. Friday instead is the most expensive day with prices starting from $27.

Evening is the cheapest day time for bus tickets from Portland, OR to Seattle/Tacoma Airport, with $25. Afternoon is the most expensive time of the day with prices starting from $26.

How to save money travelling from Portland, OR to Seattle/Tacoma Airport

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Portland, OR to Seattle/Tacoma Airport in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Portland, OR to Seattle/Tacoma Airport, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from Portland, OR to Seattle/Tacoma Airport are also emptier.

Beloved bus companies from Portland, OR to Seattle/Tacoma Airport

These are the most booked bus companies between Portland, OR to Seattle/Tacoma Airport from our users.

FlixBus from Portland, OR to Seattle/Tacoma Airport

Here you will find the key facts about the FlixBus bus route Portland, OR to Seattle/Tacoma Airport:

Cheapest Price	$25
Fastest Bus	3h 10m
Earliest Bus	7:00 AM
Last Bus	7:10 PM
Daily Connections	7 Ø
Found on	11/7/2025

All bus stations and stops in Portland, OR and Seattle/Tacoma Airport

In the map below, you can see where to find all bus stations in Portland, OR and Seattle/Tacoma Airport.

Union Bus Station

NW 6th Ave 800

Greyhound Bus Station

NW Station Way 1090

NW Station Way

NW Station Way 1090

Portland Bolt Lloyd Center

NE 13th Ave 1060

SE 102nd & Washington Bus Stop

Seattle/Tacoma Airport

SEA Main Terminal

Service and Comfort on the bus from Portland, OR to Seattle/Tacoma Airport

Want to know which seat classes are available on the buses from Portland, OR to Seattle/Tacoma Airport? Or which bus companies serve the route Portland, OR to Seattle/Tacoma Airport? Below you will find answers to your questions.

FAQs about the Portland, OR to Seattle/Tacoma Airport bus

How much does a Portland, OR Seattle/Tacoma Airport bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $21 and takes 3h 10m to reach Seattle/Tacoma Airport. Compare offers to save money!

How much could I save by comparing buses from Portland, OR to Seattle/Tacoma Airport?

This route is offered by 1 companies with a range of ticket prices between $21 and $54. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Seattle/Tacoma Airport.

On average, how many connections are available from Portland, OR to Seattle/Tacoma Airport each day?

Every day, the Portland, OR to Seattle/Tacoma Airport bus route is served by approximately 7 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Portland, OR to Seattle/Tacoma Airport take?

The fastest shuttle from Portland, OR to Seattle/Tacoma Airport is offered by FlixBus and takes 3h 10m. Bus tickets for this connection cost $33. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first shuttle from Portland, OR to Seattle/Tacoma Airport?

The earliest bus arriving in Seattle/Tacoma Airport from Portland, OR starts at 7:00 AM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last shuttle from Portland, OR to Seattle/Tacoma Airport?

The latest bus trip departing from Portland, OR for Seattle/Tacoma Airport starts at 7:10 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Portland, OR Seattle/Tacoma Airport route?

When traveling by shuttle from Portland, OR to Seattle/Tacoma Airport, passengers can travel with FlixBus. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between Portland, OR and Seattle/Tacoma Airport?

You can check all the direct connections between Portland, OR and Seattle/Tacoma Airport by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: FlixBus.

What can I take with me on the Portland, OR to Seattle/Tacoma Airport bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Portland, OR Seattle/Tacoma Airport bus route free of charge. Simply use our search to find a shuttle that is best suited to your needs for your planned travel date.

What equipment is available for the Portland, OR Seattle/Tacoma Airport bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the shuttle from Portland, OR to Seattle/Tacoma Airport on your planned travel date.

Available seat classes which are offered on the bus route Portland, OR to Seattle/Tacoma Airport

Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to Portland, OR and to Seattle/Tacoma Airport

Here’s an overview of the most popular bus routes to Portland, OR and to Seattle/Tacoma Airport. Simply click on the connection of your choice, and you will find all the details about your bus route!