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Flights to Koh Samui

Cheap flights to Koh Samui from $919

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Koh Samui departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Tue 4/23
Tue 4/30

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Koh Samui flight deals found on momondo

Check out some of the best fares from airports in United States to Koh Samui found recently by users on momondo
Japan Airlines
Sep 1
SFO12:20 pmSan Francisco
40h 10m
2 stops
USM6:30 pmKo Samui
Oct 1
USM7:10 pmKo Samui
30h 15m
2 stops
SFO11:25 amSan Francisco
Aug 31
SFO1:00 amSan Francisco
26h 05m
2 stops
USM5:05 pmKo Samui
Oct 1
USM2:00 pmKo Samui
19h 50m
2 stops
SFO7:50 pmSan Francisco
Multiple Airlines
Sep 1
SFO10:05 pmSan Francisco
25h 50m
2 stops
USM1:55 pmKo Samui
Oct 1
USM9:00 amKo Samui
25h 15m
1 stop
SFO8:15 pmSan Francisco
Multiple Airlines
Apr 30
BOS9:50 pmBoston Logan Intl
33h 30m
2 stops
USM6:20 pmKo Samui
May 31
USM9:10 pmKo Samui
33h 45m
2 stops
BOS7:55 pmBoston Logan Intl
Multiple Airlines
Sep 11
EWR12:25 amNewark
33h 00m
2 stops
USM8:25 pmKo Samui
Sep 21
USM7:30 pmKo Samui
38h 10m
2 stops
EWR10:40 pmNewark
Multiple Airlines
May 2
ORD4:05 pmChicago O'Hare Intl
30h 05m
2 stops
USM10:10 amKo Samui
May 12
USM7:30 pmKo Samui
54h 55m
2 stops
ORD2:25 pmChicago O'Hare Intl

Find the cheapest one-way flights to Koh Samui

If you're looking for one-way flights from United States to Koh Samui, view some of our deals below provided by EVA Air and Japan Airlines
Japan Airlines
May 5
SFO12:00 pmSan Francisco
42h 55m
2 stops
USM8:55 pmKo Samui
Multiple Airlines
Aug 4
SFO1:05 amSan Francisco
23h 40m
2 stops
USM2:45 pmKo Samui
Multiple Airlines
May 3
LAX12:10 pmLos Angeles
43h 25m
2 stops
USM9:35 pmKo Samui

Koh Samui flights insights and trends

Explore insights for your Koh Samui flight to craft the best travel plan

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

According to our data, Tuesday is the cheapest day to fly to Koh Samui from United States. The lowest ticket price found for a Tuesday departure recently was $1,395. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Thursday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,899.

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

According to our data, the cheapest time of day to fly to Koh Samui is at noon. momondo users have found flights departing from United States to Koh Samui at noon for as low as $1,491. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $1,697. Of course, these prices can vary depending on the time of year and what airport you fly to.

How long does it take to fly to Koh Samui?

Flight times vary depending on what airport in United States you fly out of and what airport in Koh Samui you fly into. For example, flying from Los Angeles to Ko Samui takes 21h 35m on average. On the other hand, flying from San Francisco to Ko Samui takes 23h 55m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

Cheapest flights to Koh Samui airports

Find the cheapest flights to these Koh Samui airports from your nearest city or airport
Los Angeles
Koh Samui


Los Angeles (LAX) to Koh Samui (USM)

Typically, flights to Koh Samui from Los Angeles are cheaper when flying from Los Angeles to Ko Samui, which has an average price of $1,408

CHEAPEST MONTH TO FLY TO KOH SAMUI FROM LOS ANGELESJanuary22% cheaperFlying from Los Angeles to Koh Samui costs on average just $1,111 in January
MOST EXPENSIVE MONTH TO FLY TO KOH SAMUI FROM LOS ANGELESJuly89% more expensiveIt costs about $2,667 for flights to Koh Samui from Los Angeles in July
MOST POPULAR MONTH TO FLY TO KOH SAMUI FROM LOS ANGELESJanuary1,100% more users visitedMore momondo users searched in flights to Koh Samui from Los Angeles in January than any other month

Cheap Koh Samui flight deals and tips

Summary info about Koh Samui flight prices, duration and airlines

Best One-Way Price


Best Round-Trip Price


Fastest flight time

23h 20m

Operated By

6 airlines
The best one-way flight price to Koh Samui from United States in the last 72 hours is $534 (San Francisco to Ko Samui).
The best round-trip flight price to Koh Samui from United States in the last 72 hours is $919 (San Francisco to Ko Samui).
The fastest flight to Koh Samui from United States takes 23h 20m (San Francisco to Ko Samui).
There are 6 airlines operating flights to Koh Samui, including Japan Airlines, Singapore Airlines and Cathay Pacific.

Frequently asked questions about flying to Koh Samui

How long does it take to fly to Koh Samui?

Koh Samui is about a full day away from the United States. You'll find some of the shortest trips departing from John F. Kennedy International Airport in New York. You'll find multiple Koh Samui flight deals from this airport, some getting to your destination within 28 hours. From San Francisco International Airport trips take about 27 hours, while from Los Angeles International Airport flights last about 32 hours. If you're traveling from the Midwest, Chicago O'Hare International Airport has multiple Koh Samui flight deals that take 34 hours on average to get to Samui International Airport, Koh Samui.

Where can you fly directly into Koh Samui from?

Nonstop flights from the US to Koh Samui, Thailand are not available. If you're looking to arrive there in the shortest possible time, you can fly from New York, Chicago, Los Angeles, Dallas, or San Francisco. Most flights from these locations have two layovers in different cities. Airlines offering Koh Samui flight deals include Qatar Airways, Etihad Airways, and Eva Air. These flights have two layovers in cities such as Doha, Bangkok, Taipei, and Abu Dhabi.

What is there to do in Koh Samui when it’s raining?

If you are planning a flight to Koh Samui and are looking to avoid the rain, you should avoid traveling during the months of January, May, and October. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Koh Samui, there are still things to do and ways to enjoy your trip. Many tourists kill time during rain and storms by going to shopping centers in the area, like Fishermans Village.

When is the best time to plan a beach trip to Koh Samui?

The month of February, March, or April is often the best time to visit Koh Samui to go to the beach due to the weather. Chaweng Beach is the most often visited beach in the area. For those looking to visit another area beach, Lamai Beach is a great option in the Koh Samui area.

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

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

How many operators does momondo search for flights to Ko Samui Airport?

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel 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 to Koh Samui?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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

Yes. momondo enables you to select and highlight flights to Koh Samui with this policy.

How can momondo help me find flights to Koh Samui?

momondo helps you find the best flight to Koh Samui by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Koh Samui. 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.

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1 adult
Tue 4/23
Tue 4/30
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