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Cheap flights from Portland to Koh Samui from $1,174

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Koh Samui departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland to Koh Samui

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.
7:05 pm - 3:40 pmPDX-USM
30h 35m2 stops
1:30 pm - 10:10 pmUSM-PDX
46h 40m2 stops
$1,286
Find Deal
Wed, Mar 26 - Wed, Apr 9
7:35 pm - 8:55 pmPDX-USM
34h 20m3 stops
5:50 pm - 9:54 pmUSM-PDX
42h 04m3 stops
$1,372
Find Deal
Sat, Mar 8 - Sat, Mar 15
7:05 pm - 8:40 amPDX-USM
23h 35m2 stops
1:30 pm - 2:44 pmUSM-PDX
39h 14m2 stops
$1,387
Find Deal
Wed, Mar 26 - Wed, Apr 9
7:05 pm - 8:40 amPDX-USM
23h 35m2 stops
1:30 pm - 2:44 pmUSM-PDX
39h 14m2 stops
$1,451
Find Deal
Wed, Mar 26 - Fri, Apr 11
9:18 am - 10:10 amPDX-USM
34h 52m3 stops
9:30 pm - 7:00 pmUSM-PDX
35h 30m3 stops
$1,899Qatar Airways
Find Deal
Tue, Apr 22 - Tue, Apr 29
5:26 pm - 7:35 pmPDX-USM
35h 09m2 stops
11:40 am - 3:57 pmUSM-PDX
43h 17m2 stops
$2,004Cathay Pacific
Find Deal
Thu, Jan 16 - Sat, Jan 25
7:00 am - 9:05 pmPDX-USM
48h 05m3 stops
1:30 pm - 12:25 pmUSM-PDX
36h 55m2 stops
$2,169Singapore Airlines
Find Deal
Wed, Mar 26 - Wed, Apr 9
5:26 pm - 7:35 pmPDX-USM
35h 09m2 stops
8:30 am - 7:54 pmUSM-PDX
26h 24m3 stops
$2,220Cathay Pacific
Find Deal
Thu, Jan 16 - Sat, Jan 25
11:36 am - 10:40 amPDX-USM
33h 04m3 stops
9:30 pm - 6:23 pmUSM-PDX
34h 53m3 stops
$2,276Qatar Airways
Find Deal
Wed, Mar 26 - Wed, Apr 9
7:00 am - 6:15 pmPDX-USM
45h 15m3 stops
1:30 pm - 9:25 amUSM-PDX
33h 55m2 stops
$2,330Singapore Airlines
Find Deal
Wed, Mar 26 - Fri, Apr 11
6:14 pm - 7:35 pmPDX-USM
34h 21m2 stops
$1,174Cathay Pacific
Find Deal
Sun, Jan 5
6:14 pm - 7:35 pmPDX-USM
34h 21m2 stops
$1,184Cathay Pacific
Find Deal
Sun, Jan 5
8:00 am - 7:40 amPDX-USM
32h 40m3 stops
$1,468Japan Airlines
Find Deal
Sun, Jan 5
9:20 am - 7:40 amPDX-USM
31h 20m3 stops
$1,718Japan Airlines
Find Deal
Sun, Jan 5

Singapore Airlines flights from Portland to Koh Samui

Our best Singapore Airlines deals on Portland to Koh Samui flight tickets
Singapore Airlines
Mar 26
PDX7:00 amPortland
48h 05m
3 stops
USM9:05 pmKo Samui
Apr 9
USM1:30 pmKo Samui
36h 55m
2 stops
PDX12:25 pmPortland
Singapore Airlines
Mar 26
PDX7:00 amPortland
45h 15m
3 stops
USM6:15 pmKo Samui
Apr 11
USM1:30 pmKo Samui
33h 55m
2 stops
PDX9:25 amPortland
Singapore Airlines
Jan 17
PDX7:02 amPortland
44h 13m
3 stops
USM6:15 pmKo Samui
Jan 25
USM1:25 pmKo Samui
36h 35m
2 stops
PDX11:00 amPortland

Qatar Airways flights from Portland to Koh Samui

Our best Qatar Airways deals on Portland to Koh Samui flight tickets
Qatar Airways
Apr 22
PDX9:18 amPortland
34h 52m
3 stops
USM10:10 amKo Samui
Apr 29
USM9:30 pmKo Samui
35h 30m
3 stops
PDX7:00 pmPortland
Qatar Airways
Mar 26
PDX11:36 amPortland
33h 04m
3 stops
USM10:40 amKo Samui
Apr 9
USM9:30 pmKo Samui
34h 53m
3 stops
PDX6:23 pmPortland
Qatar Airways
Mar 26
PDX11:36 amPortland
33h 04m
3 stops
USM10:40 amKo Samui
Apr 11
USM7:30 pmKo Samui
34h 58m
3 stops
PDX4:28 pmPortland

See travel insights to Koh Samui from

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?

Cathay Pacific and Japan Airlines are the most popular carriers 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

$1,174

Fastest flight time

23h 15m

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 $1,174. The best round-trip flight deal from Portland to Koh Samui found on momondo in the last 72 hours is $1,286.
The fastest flight from Portland to Koh Samui takes 23h 15m
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)

  • How far is Portland to Ko Samui by plane?

    There are 7797.0 mi between Portland and Ko Samui. 23h 15m 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.


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