When did momondo last update prices for flights from Portland Airport to Ko Samui Airport?

Prices for flights from Portland Airport to Ko Samui Airport are updated daily.

How old do you have to be to fly from Portland Airport to Ko Samui Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The necessary travel and health documents for your Ko Samui Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,169 Cheap Flights from Portland to Koh Samui in 2024/25

1 adult

0 bags

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Find the cheapest flights from Portland to Koh Samui

Round-tripOne-way

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland to Koh Samui that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland to Koh Samui.

Cheap last minute flights

Planning a quick getaway from Portland to Koh Samui? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Koh Samui, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Portland to Koh Samui

Find recent round-trip train or bus tickets from Portland to Koh Samui.

All round-trip flight deals to Koh Samui

The cheapest plane tickets to Koh Samui found on KAYAK recently.

7:50 pm - 7:35 pmPDX-USM

33h 45m2 stops

4:25 pm - 6:24 pmUSM-PDX

39h 59m2 stops

$1,685

Find Deal

Wed, Mar 26 - Wed, Apr 9

7:50 pm - 7:35 pmPDX-USM

33h 45m2 stops

4:25 pm - 2:44 pmUSM-PDX

36h 19m2 stops

$1,728

Find Deal

Wed, Mar 26 - Fri, Apr 11

7:50 pm - 7:35 pmPDX-USM

33h 45m2 stops

10:05 am - 9:39 pmUSM-PDX

25h 34m3 stops

$1,817

Find Deal

Wed, Mar 26 - Wed, Apr 9

11:36 am - 10:35 amPDX-USM

32h 59m3 stops

3:50 pm - 12:52 pmUSM-PDX

35h 02m3 stops

$2,108Qatar Airways

Find Deal

Wed, Mar 26 - Wed, Apr 9

7:50 pm - 7:35 pmPDX-USM

33h 45m2 stops

2:00 pm - 4:40 pmUSM-PDX

64h 40m3 stops

$2,187

Find Deal

Wed, Mar 26 - Fri, Apr 11

11:36 am - 8:40 amPDX-USM

31h 04m3 stops

9:10 pm - 6:24 pmUSM-PDX

35h 14m3 stops

$2,367Qatar Airways

Find Deal

Wed, Mar 26 - Fri, Apr 11

7:05 pm - 1:05 pmPDX-USM

27h 00m2 stops

$1,169

Find Deal

Sun, Jan 5

8:00 am - 8:40 amPDX-USM

33h 40m3 stops

$1,769Japan Airlines

Find Deal

Sun, Jan 5

Qatar Airways flights from Portland to Koh Samui

Our best Qatar Airways deals on Portland to Koh Samui flight tickets

Qatar Airways

Mar 26

PDX11:36 amPortland

32h 59m

3 stops

USM10:35 amKo Samui

Apr 9

USM3:50 pmKo Samui

35h 02m

3 stops

PDX12:52 pmPortland

$2,108

Find similar

Qatar Airways

Mar 26

PDX11:36 amPortland

31h 04m

3 stops

USM8:40 amKo Samui

Apr 11

USM9:10 pmKo Samui

35h 14m

3 stops

PDX6:24 pmPortland

$2,367

Find similar

How to get the cheapest flight ticket from Portland to Koh Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Portland to Ko Samui?

Japan Airlines is the most popular carrier operating from Portland to Ko Samui

When to book flights from Portland to Koh Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Koh Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Koh Samui (PDX to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Koh Samui

Best Price Found	$1,169
Fastest flight time	27h 00m
Direct flights	None
Airports in Koh Samui	1 airport

The best one-way flight to Koh Samui from Portland in the past 72 hours is $1,169. The best round-trip flight deal from Portland to Koh Samui found on momondo in the last 72 hours is $1,685.

The fastest flight from Portland to Koh Samui takes 27h 00m

There are no direct flights from Portland to Koh Samui. Popular non-direct route for this connection is Portland Airport - Ko Samui Airport.

There is 1 airport near Koh Samui: Ko Samui (USM)

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How far is Portland to Ko Samui by plane?
There are 7797.0 mi between Portland and Ko Samui. 31h 04m is a normal flight duration for this route.
When did momondo last update prices for flights from Portland Airport to Ko Samui Airport?
Prices for flights from Portland Airport to Ko Samui Airport are updated daily.
How old do you have to be to fly from Portland Airport to Ko Samui Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The necessary travel and health documents for your Ko Samui Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Koh Samui?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Koh Samui from Portland.

Can I find flights from Portland to Koh Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Koh Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Koh Samui?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Koh Samui from Portland.

I’m not ready to book a flight from Portland to Koh Samui right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Koh Samui, momondo offers a useful price alert feature which will track prices for flights to Koh Samui from Portland and alert you when they change.