Cheap flights from Portland, OR to Ko Samui, Thailand

Flights starting at $825. Choose between Bangkok Airways, Alaska Airlines, or ZIPAIR to find the best price.

One search, all the flights

We find you the best flight deals and travel hacks so that you can choose how to book.

Rise above all travel anxieties

With the Kiwi.com Guarantee we have your back with whatever happens.

Trusted by millions

Join over 10 million yearly travellers booking with ease.

How much do flights to Ko Samui cost?

Key info about flying to Ko Samui

Depart from
Portland International
Arrive to
Samui
Average flights per week
298
Flight distance

Check-in for a flight from Portland to Ko Samui

NameCarrier codeIATA CodePassport needed during booking
Bangkok AirwaysBKPPGNo
Alaska AirlinesASAASNo
ZIPAIRTZPZGYes
Thai AirAsia XTAXXJNo
China AirlinesCALCIYes

Weather in Ko Samui

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January27°C26°C
February27°C26°C
March28°C27°C
April29°C28°C
May30°C28°C
June29°C28°C
July29°C27°C
August29°C27°C
September29°C27°C
October28°C27°C
November28°C26°C
December27°C26°C
Hottest Month
30°C
May
Coldest month
26°C
January
Sunny days
182
days per year

14 day forecast

Tuesday
10 Dec
89%
29°C27°C
17 Dec
89%
28°C27°C
Wednesday
11 Dec
74%
28°C28°C
18 Dec
83%
28°C27°C
Thursday
12 Dec
79%
28°C27°C
19 Dec
85%
27°C27°C
Friday
13 Dec
63%
26°C25°C
20 Dec
78%
28°C27°C
Saturday
14 Dec
79%
27°C25°C
21 Dec
85%
28°C27°C
Sunday
15 Dec
89%
27°C26°C
22 Dec
89%
27°C26°C
Monday
16 Dec
89%
27°C27°C
23 Dec
86%
27°C27°C
The most popular airlines for this route are Bangkok Airways, Alaska Airlines, ZIPAIR, Thai AirAsia X, and China Airlines. Portland and Ko Samui have 298 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Portland?
What are the most popular routes to and from Ko Samui?
What airports are near Portland?
What airports are near Ko Samui?
Which airlines fly between Portland and Ko Samui?
When's the best time to travel between Portland and Ko Samui?
What flights operate between Portland and Ko Samui?
How many airports are there near Portland?
How many airports are there near Ko Samui?
What time do nonstop (direct) flights between Portland and Ko Samui depart?
What time do nonstop (direct) flights between Portland and Ko Samui arrive?
What time do flights between Portland and Ko Samui depart?
What time do flights between Portland and Ko Samui arrive?

Explore alternative trips

Flights from Portland

Flights to Ko Samui

Popular routes

The nearest countries with flights to Ko Samui

Here is a list of countries people are flying from

Other destination countries from Portland

Here is a list of countries people are flying to
Find the best connection from Portland to Ko Samui
Search flights

Get more out of Kiwi.com with our mobile application

Download boarding passes

One-click booking

Get exclusive offers and prices

Mobile trip notifications

We hack the system,
you fly for less