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

Prices for flights from Oregon to Ko Samui Airport are refreshed on a daily basis.

How old do you have to be to fly from Oregon 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 Oregon to Ko Samui Airport.

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

The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$1,159 Cheap Flights from Oregon to Ko Samui in 2025/26

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0 bags

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Find the cheapest flights from Oregon to Ko Samui

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:38 pm - 3:40 pmPDX-USM

34h 02m3 stops

2:05 pm - 10:46 pmUSM-PDX

23h 41m3 stops

$1,187Multiple Airlines

Find Deal

Sat, Jan 24 - Sat, Jan 31

2:38 pm - 3:35 pmPDX-USM

33h 57m3 stops

2:05 pm - 12:09 amUSM-PDX

25h 04m3 stops

$1,197Multiple Airlines

Find Deal

Thu, Jan 22 - Tue, Jan 27

5:35 pm - 3:35 pmPDX-USM

31h 00m3 stops

2:05 pm - 12:09 amUSM-PDX

25h 04m3 stops

$1,203Multiple Airlines

Find Deal

Thu, Jan 22 - Tue, Jan 27

2:38 pm - 3:35 pmPDX-USM

33h 57m3 stops

2:05 pm - 8:47 pmUSM-PDX

21h 42m3 stops

$1,236Multiple Airlines

Find Deal

Sat, Jan 24 - Sat, Jan 31

5:35 pm - 3:35 pmPDX-USM

31h 00m3 stops

2:05 pm - 12:09 amUSM-PDX

25h 04m3 stops

$1,240Multiple Airlines

Find Deal

Thu, Jan 22 - Tue, Jan 27

5:35 pm - 3:35 pmPDX-USM

31h 00m3 stops

2:05 pm - 12:03 amUSM-PDX

24h 58m3 stops

$1,277Multiple Airlines

Find Deal

Sun, Feb 1 - Sat, Feb 14

6:22 pm - 7:35 pmPDX-USM

34h 13m2 stops

11:40 am - 2:48 pmUSM-PDX

42h 08m2 stops

$1,341Cathay Pacific

Find Deal

Thu, Jan 22 - Tue, Jan 27

5:55 pm - 7:35 pmPDX-USM

34h 40m2 stops

11:40 am - 8:50 pmUSM-PDX

24h 10m2 stops

$1,391Cathay Pacific

Find Deal

Thu, Nov 13 - Mon, Nov 17

10:52 am - 10:40 amPDX-USM

32h 48m3 stops

8:20 pm - 4:40 pmUSM-PDX

35h 20m3 stops

$1,736Qatar Airways

Find Deal

Wed, Feb 4 - Wed, Feb 18

7:30 am - 6:15 pmPDX-USM

43h 45m3 stops

1:25 pm - 10:55 amUSM-PDX

36h 30m2 stops

$2,628Singapore Airlines

Find Deal

Sat, Jan 24 - Sat, Jan 31

Cathay Pacific flights from Oregon to Ko Samui

Our best Cathay Pacific deals on Oregon to Ko Samui flight tickets

Cathay Pacific

Jan 22

PDX6:22 pmPortland

34h 13m

2 stops

USM7:35 pmKo Samui

Jan 27

USM11:40 amKo Samui

42h 08m

2 stops

PDX2:48 pmPortland

$1,341

Find similar

Cathay Pacific

Nov 13

PDX5:55 pmPortland

34h 40m

2 stops

USM7:35 pmKo Samui

Nov 17

USM11:40 amKo Samui

24h 10m

2 stops

PDX8:50 pmPortland

$1,391

Find similar

Cathay Pacific

Jan 22

PDX9:15 pmPortland

42h 55m

3 stops

USM7:10 amKo Samui

Jan 27

USM11:40 amKo Samui

24h 10m

2 stops

PDX8:50 pmPortland

$1,427

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Sat 1/24

2:38 pm-3:40 pm

3 stops34h 02m

Ko Samui

Sat 1/31

2:05 pm-10:46 pm

3 stops23h 41m

$1,187

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 1/22

2:38 pm-3:35 pm

3 stops33h 57m

Ko Samui

Tue 1/27

2:05 pm-12:09 am

3 stops25h 04m

$1,197

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 1/22

5:35 pm-3:35 pm

3 stops31h 00m

Ko Samui

Tue 1/27

2:05 pm-12:09 am

3 stops25h 04m

$1,203

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Sat 1/24

2:38 pm-3:35 pm

3 stops33h 57m

Ko Samui

Sat 1/31

2:05 pm-8:47 pm

3 stops21h 42m

$1,236

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 1/22

5:35 pm-3:35 pm

3 stops31h 00m

Ko Samui

Tue 1/27

2:05 pm-12:09 am

3 stops25h 04m

$1,240

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Sun 2/1

5:35 pm-3:35 pm

3 stops31h 00m

Ko Samui

Sat 2/14

2:05 pm-12:03 am

3 stops24h 58m

$1,277

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 1/22

6:22 pm-7:35 pm

2 stops34h 13m

Ko Samui

Tue 1/27

11:40 am-2:48 pm

2 stops42h 08m

$1,341

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 11/13

5:55 pm-7:35 pm

2 stops34h 40m

Ko Samui

Mon 11/17

11:40 am-8:50 pm

2 stops24h 10m

$1,391

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Wed 2/4

10:52 am-10:40 am

3 stops32h 48m

Ko Samui

Wed 2/18

8:20 pm-4:40 pm

3 stops35h 20m

$1,736

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Sat 1/24

7:30 am-6:15 pm

3 stops43h 45m

Ko Samui

Sat 1/31

1:25 pm-10:55 am

2 stops36h 30m

$2,628

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Oregon to Ko 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 day to depart on your flight to Ko Samui?

Our data shows that Friday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $243. Flights from Oregon to Ko Samui on a Saturday will generally be more expensive and average around $496. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Oregon to Ko Samui flights are usually those with departure times in the morning. Our users have found flights to Ko Samui in the morning for as low as $168. At noon is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $508 per ticket.

Cheap Oregon to Ko Samui flight deals and tips

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

Direct flights	None

There are no direct flights from Oregon to Ko Samui. There are no popular flight routes from Oregon to Ko Samui.

Search flight deals

When did momondo last update prices for flights from Oregon to Ko Samui Airport?
Prices for flights from Oregon to Ko Samui Airport are refreshed on a daily basis.
How old do you have to be to fly from Oregon 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 Oregon to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Ko Samui?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Oregon to Ko Samui. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Oregon to Ko Samui with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Oregon 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 Oregon.

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

Yes momondo offers price alerts on flights to Ko Samui from Oregon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.