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Cheap flights from Portland to Ko Samui from $1,086

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Portland to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:04 pm - 7:35 pmPDX  Portland-USM Ko Samui
35h 31m2 stops Los Angeles Hong Kong Intl
Multiple Airlines Logo
11:40 am - 8:47 pmUSM  Ko Samui-PDX Portland
24h 07m2 stops Hong Kong Intl Los Angeles
$1,086Multiple Airlines
Sun, Nov 15 - Sun, Nov 22
Multiple Airlines Logo
9:59 pm - 7:35 amPDX  Portland-USM Ko Samui
42h 36m3 stops Seattle/Tacoma Intl Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
11:40 am - 8:47 pmUSM  Ko Samui-PDX Portland
24h 07m2 stops Hong Kong Intl Los Angeles
$1,129Multiple Airlines
Sun, Nov 15 - Sun, Nov 22
Multiple Airlines Logo
9:59 pm - 7:35 amPDX  Portland-USM Ko Samui
42h 36m3 stops Seattle/Tacoma Intl Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
10:20 am - 11:40 amUSM  Ko Samui-PDX Portland
40h 20m3 stops Bangkok Suvarnabhumi Hong Kong Intl Seattle/Tacoma Intl
$1,316Multiple Airlines
Sun, Nov 15 - Sun, Nov 22
Multiple Airlines Logo
3:15 pm - 7:35 pmPDX  Portland-USM Ko Samui
37h 20m2 stops Vancouver Intl Hong Kong Intl
Multiple Airlines Logo
11:40 am - 9:27 amUSM  Ko Samui-PDX Portland
36h 47m2 stops Hong Kong Intl San Francisco
$2,192Multiple Airlines
Tue, Dec 1 - Fri, Dec 11
Multiple Airlines Logo
7:10 pm - 7:35 pmPDX  Portland-USM Ko Samui
57h 25m2 stops Vancouver Intl Hong Kong Intl
Multiple Airlines Logo
11:40 am - 1:50 pmUSM  Ko Samui-PDX Portland
41h 10m2 stops Hong Kong Intl San Francisco
$2,368Multiple Airlines
Tue, Dec 1 - Fri, Dec 11
Multiple Airlines Logo
6:33 am - 7:10 amPDX  Portland-USM Ko Samui
33h 37m3 stops Los Angeles Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
10:00 am - 8:17 pmUSM  Ko Samui-PDX Portland
25h 17m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl San Francisco
$2,587Multiple Airlines
Tue, Dec 1 - Fri, Dec 11
Multiple Airlines Logo
6:33 am - 7:45 amPDX  Portland-USM Ko Samui
34h 12m3 stops Los Angeles Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
8:30 pm - 8:17 pmUSM  Ko Samui-PDX Portland
38h 47m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl San Francisco
$2,813Multiple Airlines
Tue, Dec 1 - Fri, Dec 11
Cathay Pacific Logo
7:30 am - 7:10 amPDX  Portland-USM Ko Samui
32h 40m3 stops Seattle/Tacoma Intl Hong Kong Intl Bangkok Suvarnabhumi
Cathay Pacific Logo
11:40 am - 1:50 pmUSM  Ko Samui-PDX Portland
41h 10m2 stops Hong Kong Intl San Francisco
$2,983Cathay Pacific
Tue, Dec 1 - Fri, Dec 11
Cathay Pacific Logo
7:30 am - 7:10 amPDX  Portland-USM Ko Samui
32h 40m3 stops Seattle/Tacoma Intl Hong Kong Intl Bangkok Suvarnabhumi
Cathay Pacific Logo
11:40 am - 1:50 pmUSM  Ko Samui-PDX Portland
41h 10m2 stops Hong Kong Intl San Francisco
$2,987Cathay Pacific
Tue, Dec 1 - Fri, Dec 11
Cathay Pacific Logo
7:30 am - 7:10 amPDX  Portland-USM Ko Samui
32h 40m3 stops Seattle/Tacoma Intl Hong Kong Intl Bangkok Suvarnabhumi
Cathay Pacific Logo
11:40 am - 1:50 pmUSM  Ko Samui-PDX Portland
41h 10m2 stops Hong Kong Intl San Francisco
$2,988Cathay Pacific
Tue, Dec 1 - Fri, Dec 11

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Cathay Pacific flights from Portland to Ko Samui

Our best Cathay Pacific deals on Portland to Ko Samui flight tickets
Cathay Pacific
Dec 1
PDX7:30 amPortland
32h 40m
3 stops
USM7:10 amKo Samui
Dec 11
USM11:40 amKo Samui
41h 10m
2 stops
PDX1:50 pmPortland
$2,983
Cathay Pacific
Dec 1
PDX7:30 amPortland
32h 40m
3 stops
USM7:10 amKo Samui
Dec 11
USM11:40 amKo Samui
41h 10m
2 stops
PDX1:50 pmPortland
$2,987
Cathay Pacific
Dec 1
PDX7:30 amPortland
32h 40m
3 stops
USM7:10 amKo Samui
Dec 11
USM11:40 amKo Samui
41h 10m
2 stops
PDX1:50 pmPortland
$2,988

momondo Fare Finder

 
Use the filters below to find and compare flights from Portland to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Sun 11/15

5:04 pm-7:35 pm

2 stops35h 31m

Ko Samui

Sun 11/22

11:40 am-8:47 pm

2 stops24h 07m

$1,086

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Sun 11/15

9:59 pm-7:35 am

3 stops42h 36m

Ko Samui

Sun 11/22

11:40 am-8:47 pm

2 stops24h 07m

$1,129

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Sun 11/15

9:59 pm-7:35 am

3 stops42h 36m

Ko Samui

Sun 11/22

10:20 am-11:40 am

3 stops40h 20m

$1,316

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Tue 12/1

3:15 pm-7:35 pm

2 stops37h 20m

Ko Samui

Fri 12/11

11:40 am-9:27 am

2 stops36h 47m

$2,192

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Tue 12/1

7:10 pm-7:35 pm

2 stops57h 25m

Ko Samui

Fri 12/11

11:40 am-1:50 pm

2 stops41h 10m

$2,368
Quickest round-trip

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Tue 12/1

6:33 am-7:10 am

3 stops33h 37m

Ko Samui

Fri 12/11

10:00 am-8:17 pm

3 stops25h 17m

$2,587

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Tue 12/1

6:33 am-7:45 am

3 stops34h 12m

Ko Samui

Fri 12/11

8:30 pm-8:17 pm

3 stops38h 47m

$2,813

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Tue 12/1

7:30 am-7:10 am

3 stops32h 40m

Ko Samui

Fri 12/11

11:40 am-1:50 pm

2 stops41h 10m

$2,983

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Tue 12/1

7:30 am-7:10 am

3 stops32h 40m

Ko Samui

Fri 12/11

11:40 am-1:50 pm

2 stops41h 10m

$2,987

PortlandKo Samui

PDX Portland - USM Ko Samui

PDXUSM

Portland

Tue 12/1

7:30 am-7:10 am

3 stops32h 40m

Ko Samui

Fri 12/11

11:40 am-1:50 pm

2 stops41h 10m

$2,988

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Portland to Ko Samui

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

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

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

Best Price Found

$1,086

Fastest flight time

32h 45m

Direct flights

None
The best flight deal from Portland to Ko Samui found on momondo in the last 72 hours is $1,086
The fastest flight from Portland to Ko Samui takes 32h 45m
There are no direct flights from Portland to Ko Samui. There are no popular flight routes from Portland to Ko Samui.
Search flight deals

Frequently asked questions about flying from Portland to Ko Samui

  • How far is Portland to Ko Samui by plane?

    There are 7797.0 mi between Portland and Ko Samui. 32h 45m 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.

Frequently asked questions about flying from Portland to Ko Samui

  • How do I get Price Alerts for flights from Portland to Ko Samui?

    Confirm your travel details to search for the latest offers for flights from Portland to Ko Samui. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Portland to Ko Samui with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ko 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 Ko Samui from Portland.

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

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

How can momondo help me find flights from Portland to Ko 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 Ko Samui from Portland.

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

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

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