What is the cheapest flight from Portland to Ko Samui?

In the last 3 days, the lowest price for a flight from Portland to Ko Samui was $1,809 for a round-trip ticket. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Portland and Ko Samui?

A passport is required to fly from Portland to Ko Samui. Visit our flight page for the latest deals!>/a>

Which airports will I be using when flying from Portland to Ko Samui?

On your way to Ko Samui, you’ll fly out from Portland. You’ll be landing at Ko Samui. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Portland to Ko Samui?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Portland to Ko Samui?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Ko Samui. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Ko Samui?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Portland is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Portland to Ko Samui?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to Portland with another airline. Booking your flights between Portland and USM can sometimes prove cheaper using this method. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Ko Samui?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Cheap Flights from Portland to Ko Samui | KAYAK

PDX - USM

KAYAK searches hundreds of travel sites at once for deals on flights to Ko Samui

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Cheapest round-trip

$1,809

Multiple Airlines

Mon 6/1Mon 6/8

PDX - USM • 2 stops

Advice from real travelers

AI-powered summary based on content written by travel experts. AI can make mistakes.

JetBlue provides free gate-to-gate Wi-Fi on flights.

Alaska Airlines has a 20-minute baggage guarantee.

Expert advice

Nonstop flights

Not available

There are currently no direct flights between Portland and Ko Samui. You'll need at least 2 connections.

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We hope you love your trip to Ko Samui!

Flight Deals

Cheap Flights from Portland to Ko Samui (PDX-USM)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Portland to Ko Samui

Mon, Jun 1 - Mon, Jun 8

7:45 pm - 8:15 am

PDX

USM

22h 30m

2 stops

4:25 pm - 9:30 am

USM

PDX

31h 05m

2 stops

$1,809Multiple Airlines

Mon, Jun 15 - Mon, Jun 22

3:30 pm - 8:15 am

PDX

USM

26h 45m

2 stops

4:25 pm - 9:31 am

USM

PDX

31h 06m

2 stops

$1,956Multiple Airlines

Mon, Jun 15 - Mon, Jun 22

3:30 pm - 10:45 am

PDX

USM

29h 15m

2 stops

1:30 pm - 9:31 am

USM

PDX

34h 01m

2 stops

$1,957Multiple Airlines

Mon, Jun 1 - Mon, Jun 8

7:45 pm - 7:40 pm

PDX

USM

33h 55m

2 stops

8:50 pm - 2:45 pm

USM

PDX

31h 55m

3 stops

$2,014Multiple Airlines

Mon, Jun 15 - Mon, Jun 22

9:19 am - 7:10 am

PDX

USM

31h 51m

3 stops

8:35 pm - 1:06 pm

USM

PDX

30h 31m

3 stops

$2,171Multiple Airlines

Mon, Jun 15 - Mon, Jun 22

9:19 am - 7:10 am

PDX

USM

31h 51m

3 stops

8:50 pm - 1:06 pm

USM

PDX

30h 16m

3 stops

$2,174Multiple Airlines

Mon, Jun 1 - Mon, Jun 8

1:05 pm - 8:35 am

PDX

USM

29h 30m

3 stops

8:50 pm - 2:45 pm

USM

PDX

31h 55m

3 stops

$2,294Multiple Airlines

Mon, Jun 15 - Mon, Jun 22

7:00 am - 7:40 pm

PDX

USM

46h 40m

2 stops

7:50 am - 8:48 pm

USM

PDX

26h 58m

3 stops

$2,331Cathay Pacific

Mon, Jun 15 - Mon, Jun 22

7:00 am - 8:15 am

PDX

USM

35h 15m

3 stops

4:25 pm - 2:51 pm

USM

PDX

36h 26m

2 stops

$2,347Multiple Airlines

Useful Info

Expert advice

Our travel experts

Harriet Baskas

Expert on Alaska Airlines and JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Cheapest flight	$1,809

Flight from Portland to Ko Samui

When to book flights from Portland to Ko Samui

Are your dates flexible? Find out the best times to travel from Portland to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Portland to Ko Samui?
In the last 3 days, the lowest price for a flight from Portland to Ko Samui was $1,809 for a round-trip ticket.
Do I need a passport to fly between Portland and Ko Samui?
A passport is required to fly from Portland to Ko Samui.
Which airports will I be using when flying from Portland to Ko Samui?
On your way to Ko Samui, you’ll fly out from Portland. You’ll be landing at Ko Samui.
Which aircraft models fly most regularly from Portland to Ko Samui?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Portland to Ko Samui?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Ko Samui.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Ko Samui?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Portland is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Portland to Ko Samui?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to Portland with another airline. Booking your flights between Portland and USM can sometimes prove cheaper using this method.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Ko Samui?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portland to Ko Samui

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on your arrival and departure airports

Portland (PDX)

Ko Samui (USM)

PDX - USM

$1,809 Find Cheap Flights from Portland to Ko Samui

KAYAK searches hundreds of travel sites at once for deals on flights to Ko Samui

Everything you should know

Cheap Flights from Portland to Ko Samui (PDX-USM)

Recent round-trip flight deals from Portland to Ko Samui

Recent one-way flight deals from Portland to Ko Samui

Expert advice for your flight from Portland to Ko Samui

Good to know

When to book flights from Portland to Ko Samui

FAQs for booking flights from Portland to Ko Samui

What is the cheapest flight from Portland to Ko Samui?

In the last 3 days, the lowest price for a flight from Portland to Ko Samui was $1,809 for a round-trip ticket.

Do I need a passport to fly between Portland and Ko Samui?

A passport is required to fly from Portland to Ko Samui.

Which airports will I be using when flying from Portland to Ko Samui?

On your way to Ko Samui, you’ll fly out from Portland. You’ll be landing at Ko Samui.

Which aircraft models fly most regularly from Portland to Ko Samui?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Portland to Ko Samui?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Ko Samui.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Ko Samui?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Portland to Ko Samui?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to Portland with another airline. Booking your flights between Portland and USM can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Ko Samui?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portland to Ko Samui

Information on your arrival and departure airports

Cabin class types available on flights from Portland to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car rental

Find direct flights to and from Portland and Ko Samui

Flights to other popular destinations

Flights from domestic origins to Ko Samui

Choose which airport to fly into in Ko Samui