$423 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 11/25. 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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Fly from
Route
Depart
Return
Los AngelesKo Samui
LAX Los Angeles - USM Ko Samui
LAXUSM
Los Angeles
Sun 12/6
7:50 pm-5:10 pm
1 stop30h 20m
Ko Samui
Fri 12/11
8:55 am-7:55 pm
1 stop26h 00m
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Wed 1/13
10:55 pm-7:35 pm
1 stop29h 40m
Ko Samui
Wed 2/3
4:30 pm-9:15 pm
2 stops19h 45m
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Sun 11/8
10:55 pm-7:35 pm
1 stop29h 40m
Ko Samui
Tue 12/8
11:40 am-8:55 pm
1 stop24h 15m
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Mon 10/19
1:00 pm-7:40 pm
1 stop40h 40m
Ko Samui
Wed 11/4
11:40 am-9:30 am
1 stop36h 50m
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Wed 11/4
9:40 am-5:10 pm
1 stop40h 30m
Ko Samui
Wed 11/11
12:00 pm-7:50 am
1 stop34h 50m
Los AngelesKo Samui
LAX Los Angeles - USM Ko Samui
LAXUSM
Los Angeles
Sat 3/6
10:05 pm-6:55 pm
1 stop29h 50m
Ko Samui
Sat 3/13
8:55 am-7:55 pm
1 stop26h 00m
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Tue 1/12
11:50 pm-2:55 pm
2 stops24h 05m
Ko Samui
Tue 2/2
1:45 pm-6:40 pm
2 stops19h 55m
San FranciscoKo Samui
SFO San Francisco - USM Ko Samui
SFOUSM
San Francisco
Wed 1/13
11:50 pm-2:55 pm
2 stops24h 05m
Ko Samui
Tue 2/2
7:55 am-3:00 pm
2 stops22h 05m
Washington, D.C.Ko Samui
IAD Washington, D.C. Dulles Intl - USM Ko Samui
IADUSM
Washington, D.C. Dulles Intl
Mon 2/22
2:25 pm-7:10 am
2 stops28h 45m
Ko Samui
Thu 3/4
6:15 pm-9:00 am
2 stops26h 45m
ChicagoKo Samui
ORD Chicago O'Hare Intl - USM Ko Samui
ORDUSM
Chicago O'Hare Intl
Sun 11/15
1:15 pm-7:45 am
2 stops29h 30m
Ko Samui
Sat 11/28
3:05 pm-7:35 am
2 stops53h 30m
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Ko Samui flights insights and trends
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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 | April | 33% cheaper | Flying from Los Angeles to Ko Samui costs on average just $889 in April |
| MOST EXPENSIVE MONTH TO FLY TO KO SAMUI FROM LOS ANGELES | June | 52% more expensive | It costs about $2,017 for flights to Ko Samui from Los Angeles in June |
| MOST POPULAR MONTH TO FLY TO KO SAMUI FROM LOS ANGELES | March | 1,000% more users visited | More momondo users searched in flights to Ko Samui from Los Angeles in March 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 | $423 |
|---|---|
Best Round-Trip Price | $764 |
Fastest flight time | 30h 20m |
Popular in | December |
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 Lamai Beach. Consider visiting Chaweng 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), Nakhon Si Thammarat Airport (73 mi from Ko Samui city center) or Chumphon Airport (95 mi from Ko Samui city center) depending on the month and departure airport.
Is there a cheaper alternative to flying into Ko Samui?
Chumphon Airport has an average price of $42 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?
$32 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 45% 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 13 operators available for flights to Ko Samui Airport as of October 2026.
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.
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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.