$499 Cheap flights to Ko Samui
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Ko Samui departing on 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United States to Ko Samui
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
See travel insights to Ko Samui from
Ko Samui flights insights and trends
Explore insights for your Ko Samui flight to craft the best travel plan
What is the cheapest month to fly to Ko Samui?
In general, April is the cheapest month to fly from United States to Ko Samui. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $609. If you don’t want to visit Ko Samui in April, then you should wait until March to fly from United States, when ticket prices are also cheap, with an average price of $1,410.
What is the cheapest day to depart on your flight to Ko Samui?
Our data shows that Tuesday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $242. Flights from United States to Ko Samui on a Sunday will generally be more expensive and average around $377. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
Cheapest flights to Ko Samui
Find the cheapest flights to Ko Samui from your nearest city or airport
| CHEAPEST MONTH TO FLY TO KO SAMUI FROM LOS ANGELES | March | 18% cheaper | Flying from Los Angeles to Ko Samui costs on average just $1,116 in March |
| MOST EXPENSIVE MONTH TO FLY TO KO SAMUI FROM LOS ANGELES | December | 21% more expensive | It costs about $1,650 for flights to Ko Samui from Los Angeles in December |
| MOST POPULAR MONTH TO FLY TO KO SAMUI FROM LOS ANGELES | June | 550% more users visited | More momondo users searched in flights to Ko Samui from Los Angeles in June than any other month |
Cheap Ko Samui flight deals and tips
Summary info about Ko Samui flight prices, duration and airlines
Best One-Way Price | $499 |
|---|---|
Best Round-Trip Price | $882 |
Fastest flight time | 22h 40m |
Frequently asked questions about flying to Ko Samui
What is there to do in Ko Samui when it’s raining?
If you are planning a flight to Ko 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 Ko 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 Ko Samui?
February, March, or April is widely considered the best time to visit Ko Samui to go to area beaches like Chaweng Beach. Consider visiting Lamai Beach during your Ko Samui visit as well.
Is there an alternative airport near Ko Samui?
Those flying to Ko Samui could potentially find better pricing at Surat Thani Airport (67 mi from Ko Samui city center) depending on the month and departure airport.
Is there a cheaper alternative to flying into Ko Samui?
Surat Thani Airport has an average price of $80 per person and is typically the cheapest airport to fly into when visiting Ko Samui. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.
What is the absolute cheapest flight to Ko Samui?
$35 is the cheapest deal found on momondo in the last two weeks for a flight to Ko Samui. This flight is from Bangkok and is 56% cheaper than most flights to Ko Samui. To find the cheapest price to Ko Samui from your area, use momondo’s Airport-to-Airport Pricing Tool.
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?
There are 17 operators available for flights to Ko Samui Airport as of March 2025.
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.
Traveling to a place near Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to Ko 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 Ko Samui with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ko Samui with this policy.
How can momondo help me find flights to Ko Samui?
momondo helps you find the best flight to Ko 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 Ko Samui right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ko 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.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to Ko Samui
Popular flights to Ko Samui
Popular routes according to searches in the past day on momondo
Cheapest flight routes to Ko Samui
These routes have the cheapest flights to Ko Samui found by momondo users in United States
| Departing | Destination | Best Time | Best Price |
|---|---|---|---|
| San Francisco | Ko Samui | 26h 55m | $881 |
| Los Angeles | Ko Samui | 21h 10m | $909 |
| Boston | Ko Samui | 23h 40m | $1,045 |
| Seattle | Ko Samui | 30h 00m | $1,147 |
| Chicago | Ko Samui | 24h 25m | $1,169 |
| New York | Ko Samui | 25h 45m | $1,182 |
| Las Vegas | Ko Samui | 25h 50m | $1,189 |
| Newark | Ko Samui | 24h 35m | $1,217 |
| Dallas | Ko Samui | 30h 05m | $1,261 |
| Washington, D.C. | Ko Samui | 23h 35m | $1,296 |
| Miami | Ko Samui | 34h 45m | $1,370 |
| Portland | Ko Samui | 27h 10m | $1,391 |
| San Jose | Ko Samui | 33h 24m | $1,415 |
| Honolulu | Ko Samui | 26h 30m | $1,430 |
| Atlanta | Ko Samui | 30h 15m | $1,438 |
| Detroit | Ko Samui | 23h 35m | $1,559 |