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 $1,554 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 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

PDX - USM

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

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Flights Deals

Cheap Flights from Portland to Ko Samui

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to Ko Samui that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Recent round-trip flight deals from Portland to Ko Samui

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland to Ko Samui.

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

9:45 pm - 9:10 pmPDX-USM

33h 25m2 stops

1:30 pm - 11:52 amUSM-PDX

36h 22m2 stops

$1,554

Find Deal

Wed, May 28 - Wed, Jun 4

11:58 am - 10:30 amPDX-USM

32h 32m3 stops

12:05 pm - 2:45 pmUSM-PDX

40h 40m3 stops

$1,925

Find Deal

Wed, May 28 - Wed, Jun 4

3:25 pm - 6:35 pmPDX-USM

37h 10m2 stops

12:05 pm - 2:45 pmUSM-PDX

40h 40m3 stops

$2,260

Find Deal

Wed, May 28 - Wed, Jun 4

Expert advice

Expert advice for your flight from Portland to Ko Samui

Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.

KAYAK teamed up with top travel experts to share the best tips for your journey.

Airlines

Alaska Airlines

Alaska Airlines offers a 20-minute baggage guarantee with compensation if delayed.

Alaska Airlines’ First Class includes priority boarding, two free checked bags, and complimentary meals.

Read more about Alaska Airlinesby Harriet Baskas

JetBlue

JetBlue offers free gate-to-gate Wi-Fi and seatback screens with live TV channels.

JetBlue’s Mint cabin features lie-flat seats, priority boarding, and two free checked bags.

Read more about JetBlueby Harriet Baskas

Our travel experts

Harriet Baskas

Expert on Alaska Airlines and JetBlue

Useful Info

KAYAK's insights & trends for Portland to Ko Samui flights

Get data-powered insights and trends into flights from Portland to Ko Samui to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Portland to Ko Samui?

When flying from Portland to Ko Samui, you should consider leaving on a Friday and avoid Saturdays if you are looking for the best rates. For your return to Portland, you’ll find the best rates on Thursdays and the most expensive ones on Saturdays.

Find deals

Cheapest flight	$1,554

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 $1,554 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 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

Ko Samui (USM)

Portland (PDX)

PDX - USM

$1,554 Find Cheap Flights from Portland to Ko Samui

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

Cheap Flights from Portland to Ko Samui

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

KAYAK's insights & trends for Portland to Ko Samui flights

Get data-powered insights and trends into flights from Portland to Ko Samui to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Portland to Ko Samui?

When flying from Portland to Ko Samui, you should consider leaving on a Friday and avoid Saturdays if you are looking for the best rates. For your return to Portland, you’ll find the best rates on Thursdays and the most expensive ones on Saturdays.

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 $1,554 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 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