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.

$697 Cheap Flights from Oregon to Ko Samui in 2026

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Find the cheapest flights from Oregon to Ko Samui

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:15 pm - 8:40 am

PDX

USM

26h 25m

2 stops

7:45 pm - 6:30 pm

USM

PDX

36h 45m

2 stops

$1,359Multiple Airlines

Sat, Mar 7 - Sat, Mar 14

3:15 pm - 1:05 pm

PDX

USM

30h 50m

2 stops

9:40 pm - 9:15 am

USM

PDX

25h 35m

2 stops

$1,412Multiple Airlines

Thu, Mar 5 - Sun, Mar 15

3:15 pm - 8:10 am

PDX

USM

26h 55m

2 stops

8:20 pm - 9:15 am

USM

PDX

26h 55m

2 stops

$1,456Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

5:40 pm - 3:35 pm

PDX

USM

30h 55m

3 stops

2:05 pm - 10:41 pm

USM

PDX

22h 36m

3 stops

$1,554Multiple Airlines

Thu, Mar 5 - Sun, Mar 15

3:15 pm - 1:05 pm

PDX

USM

31h 50m

2 stops

8:20 pm - 9:15 am

USM

PDX

26h 55m

2 stops

$1,576Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

7:27 pm - 2:55 pm

PDX

USM

29h 28m

3 stops

2:05 pm - 9:38 pm

USM

PDX

21h 33m

3 stops

$1,647Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

5:45 pm - 2:55 pm

PDX

USM

31h 10m

3 stops

2:05 pm - 9:38 pm

USM

PDX

21h 33m

3 stops

$1,659Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

7:05 pm - 8:10 am

PDX

USM

22h 05m

2 stops

5:40 pm - 6:30 pm

USM

PDX

38h 50m

3 stops

$1,718Multiple Airlines

Sat, Mar 7 - Sat, Mar 14

3:15 pm - 10:35 am

PDX

USM

28h 20m

2 stops

8:30 am - 9:15 am

USM

PDX

38h 45m

3 stops

$1,844Multiple Airlines

Thu, Mar 5 - Sun, Mar 15

9:50 am - 8:10 am

PDX

USM

31h 20m

3 stops

7:30 pm - 6:30 pm

USM

PDX

37h 00m

3 stops

$1,969Multiple Airlines

Sat, Mar 7 - Sat, Mar 14

Fly from

Fly to

Route

Depart

Return

Price

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Sat 3/7

3:15 pm-8:40 am

2 stops26h 25m

Ko Samui

Sat 3/14

7:45 pm-6:30 pm

2 stops36h 45m

$1,359

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 3/5

3:15 pm-1:05 pm

2 stops30h 50m

Ko Samui

Sun 3/15

9:40 pm-9:15 am

2 stops25h 35m

$1,412

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 3/19

3:15 pm-8:10 am

2 stops26h 55m

Ko Samui

Thu 3/26

8:20 pm-9:15 am

2 stops26h 55m

$1,456

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 3/5

5:40 pm-3:35 pm

3 stops30h 55m

Ko Samui

Sun 3/15

2:05 pm-10:41 pm

3 stops22h 36m

$1,554

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 3/19

3:15 pm-1:05 pm

2 stops31h 50m

Ko Samui

Thu 3/26

8:20 pm-9:15 am

2 stops26h 55m

$1,576

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 3/19

7:27 pm-2:55 pm

3 stops29h 28m

Ko Samui

Thu 3/26

2:05 pm-9:38 pm

3 stops21h 33m

$1,647

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 3/19

5:45 pm-2:55 pm

3 stops31h 10m

Ko Samui

Thu 3/26

2:05 pm-9:38 pm

3 stops21h 33m

$1,659

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Sat 3/7

7:05 pm-8:10 am

2 stops22h 05m

Ko Samui

Sat 3/14

5:40 pm-6:30 pm

3 stops38h 50m

$1,718

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Thu 3/5

3:15 pm-10:35 am

2 stops28h 20m

Ko Samui

Sun 3/15

8:30 am-9:15 am

3 stops38h 45m

$1,844

PortlandKo Samui

PDX - USM

PDXUSM

Portland

Sat 3/7

9:50 am-8:10 am

3 stops31h 20m

Ko Samui

Sat 3/14

7:30 pm-6:30 pm

3 stops37h 00m

$1,969

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted 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

Fastest flight time	31h 50m
Direct flights	None

The fastest flight from Oregon to Ko Samui takes 31h 50m

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 Tao

Ko Pha Ngan

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.

An easier way to manage your Ko Samui trip

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Cheap flights from Oregon to Ko Samui from $697

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Ko Samui departing on 2/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

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Filter for what you want

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How to get the cheapest flight ticket from Oregon to Ko Samui

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

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

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

Fastest flight time

Direct flights

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

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

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

Traveling to a place near Ko Samui?

Why use momondo?

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

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

How can momondo help me find flights from Oregon to Ko Samui?

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

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Airports servicing Thailand

Cabin classes currently available on flights to Ko Samui

List of cabin classes available on flights landing in Ko Samui. Availability may vary depending on flight origin and airline.

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo

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