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Cheap flights to Koh Samui from ฿18,841

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — USM
24 Mar — 31 Mar1
1 adult
Sun 24/3
Sun 31/3

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Cheapflights users frequently choose these airlines when searching for flights to Koh Samui, based on our search results.
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Flights to Koh Samui in 2024

Find the latest flights to Koh Samui in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 14,983 searches and data was last updated on 19 March 2024.

Popular in

April

Cheapest in

November

Average price

฿6,616

Return from

฿4,279

One-way from

฿2,229
High demand for flights, 2% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for return flights in March 2024
From Bangkok to Ko Samui
One-way flight from Bangkok to Ko Samui (USM)

Cheap flights to Koh Samui in March & April 2024

Discover affordable flights and deals to Koh Samui in March and April 2024. In the last 7 days, Cheapflights users made a total of 14,983 searches and data was last updated on 19 March 2024.
Thu 4/408:10LAX - USM
2 stops23h 05mBangkok Airways
Wed 17/413:30USM - LAX
2 stops25h 06mBangkok Airways
Deal found 18/3฿40,629
Thu 4/408:10LAX - USM
2 stops23h 05mBangkok Airways
Wed 17/410:55USM - LAX
1 stop20h 15mBangkok Airways
Deal found 18/3฿41,169
Thu 4/410:20LAX - USM
1 stop42h 15mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Wed 17/410:55USM - LAX
1 stop20h 15mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Deal found 18/3฿41,205
Sun 21/413:00SFO - USM
2 stops29h 15mEVA Air
Wed 1/521:10USM - SFO
2 stops47h 20mEVA Air
Deal found 17/3฿43,362
Mon 15/400:50LAX - USM
2 stops30h 45mMultiple Airlines
Tue 23/408:45USM - LAX
2 stops25h 45mMultiple Airlines
Deal found 17/3฿44,764
Tue 16/412:10LAX - USM
2 stops30h 05mMultiple Airlines
Tue 23/421:15USM - LAX
2 stops26h 35mMultiple Airlines
Deal found 17/3฿45,160
Sun 14/400:50LAX - USM
2 stops30h 10mMultiple Airlines
Mon 22/408:45USM - LAX
2 stops25h 45mMultiple Airlines
Deal found 17/3฿45,555
Wed 17/400:25SFO - USM
2 stops24h 20mMultiple Airlines
Wed 1/521:30USM - SFO
2 stops23h 00mMultiple Airlines
Deal found 17/3฿45,771
Sat 20/400:50SFO - USM
2 stops41h 25mEVA Air
Wed 1/521:30USM - SFO
2 stops23h 00mEVA Air
Deal found 17/3฿45,951

Koh Samui 2024 flight deals

Explore flight deals for Koh Samui in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 14,983 searches and data were last updated on 19 March 2024.
Mon 18/1112:50SFO - USM
2 stops28h 50mMultiple Airlines
Fri 22/1121:25USM - SFO
2 stops27h 45mMultiple Airlines
Deal found 17/3฿34,409
Tue 24/923:40LAX - USM
1 stop21h 35mSingapore Airlines
Tue 8/1009:00USM - LAX
1 stop26h 40mSingapore Airlines
Deal found 17/3฿34,445
Tue 24/914:20LAX - USM
2 stops30h 55mSingapore Airlines
Tue 8/1012:10USM - LAX
1 stop23h 30mSingapore Airlines
Deal found 17/3฿34,877
Mon 11/1112:50SFO - USM
2 stops28h 20mMultiple Airlines
Sun 24/1121:25USM - SFO
2 stops51h 45mMultiple Airlines
Deal found 17/3฿35,236
Tue 24/914:20LAX - USM
2 stops27h 45mSingapore Airlines
Tue 8/1012:10USM - LAX
2 stops38h 40mSingapore Airlines
Deal found 17/3฿35,308
Mon 23/900:15LAX - USM
2 stops24h 55mEVA Air
Tue 8/1008:00USM - LAX
2 stops22h 20mEVA Air
Deal found 17/3฿38,688
Mon 11/1112:20SFO - USM
2 stops27h 50mEVA Air
Sun 24/1121:25USM - SFO
2 stops32h 35mEVA Air
Deal found 17/3฿39,515
Thu 7/1123:30SFO - USM
2 stops25h 40mEVA Air
Mon 11/1116:30USM - SFO
2 stops29h 10mEVA Air
Deal found 17/3฿40,378
Fri 6/900:15LAX - USM
2 stops30h 15mEVA Air
Tue 17/908:45USM - LAX
2 stops21h 35mEVA Air
Deal found 17/3฿40,414

Flights to Koh Samui departing soon

Discover available last-minute flight options to Koh Samui, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 14,983 searches and data was last updated on 19 March 2024.
Tue 26/321:05IAD - USM
2 stops26h 35mMultiple Airlines
Wed 24/421:10USM - IAD
2 stops46h 35mMultiple Airlines
Deal found 18/3฿54,688
Tue 26/321:10BOS - USM
2 stops34h 15mMultiple Airlines
Wed 24/416:25USM - BOS
2 stops38h 30mMultiple Airlines
Deal found 18/3฿57,996
Tue 26/321:20JFK - USM
2 stops26h 20mQatar Airways
Wed 24/415:30USM - JFK
2 stops28h 30mQatar Airways
Deal found 18/3฿59,758
Mon 25/301:20JFK - USM
2 stops32h 30mMultiple Airlines
Wed 3/412:45USM - JFK
2 stops35h 30mMultiple Airlines
Deal found 17/3฿60,117
Mon 25/301:20JFK - USM
2 stops32h 40mMultiple Airlines
Tue 2/415:50USM - JFK
2 stops32h 25mMultiple Airlines
Deal found 17/3฿60,153
Sat 23/311:25JFK - USM
2 stops23h 00mMultiple Airlines
Tue 2/411:25USM - JFK
3 stops46h 05mMultiple Airlines
Deal found 17/3฿60,297
Sat 23/301:20JFK - USM
2 stops32h 55mMultiple Airlines
Tue 2/415:20USM - JFK
2 stops32h 55mMultiple Airlines
Deal found 17/3฿60,333
Sat 23/301:20JFK - USM
3 stops32h 40mMultiple Airlines
Wed 3/412:45USM - JFK
2 stops35h 30mMultiple Airlines
Deal found 17/3฿60,441
Thu 28/301:20JFK - USM
2 stops32h 40mMultiple Airlines
Tue 2/412:10USM - JFK
3 stops45h 20mMultiple Airlines
Deal found 17/3฿61,088

One-way flights to Koh Samui

Explore one-way flight options to Koh Samui for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 14,983 searches and data was last updated on 19 March 2024.
Thu 1/813:55SFO - USM
2 stops27h 25mMultiple Airlines
Deal found 18/3฿18,841
Sun 4/801:05SFO - USM
2 stops25h 30mMultiple Airlines
Deal found 17/3฿22,616
Thu 1/822:05SFO - USM
1 stop23h 10mSingapore Airlines
Deal found 17/3฿26,930
Mon 5/816:10SFO - USM
2 stops28h 20mQatar Airways
Deal found 17/3฿27,650
Wed 31/701:00SFO - USM
2 stops27h 20mMultiple Airlines
Deal found 17/3฿29,339
Tue 21/500:50LAX - USM
2 stops40h 30mMultiple Airlines
Deal found 18/3฿29,447
Wed 22/500:50LAX - USM
2 stops40h 30mMultiple Airlines
Deal found 18/3฿29,771
Wed 22/510:45LAX - USM
3 stops30h 35mMultiple Airlines
Deal found 18/3฿30,418
Sun 19/514:25LAX - USM
3 stops30h 50mMultiple Airlines
Deal found 18/3฿31,137

Find flights to Koh Samui within your budget

Locate flights to Koh Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 14,983 searches and data was last updated on 19 March 2024.

Fly from

Any airport

Budget

฿40,629 - ฿57,205

Route

Depart

Return

Price

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Thu 4/4

2 stops23h 05m

Ko Samui

Wed 17/4

2 stops25h 06m

฿40,629

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Thu 4/4

1 stop42h 15m

Ko Samui

Wed 17/4

1 stop20h 15m

฿41,205

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Sun 21/4

2 stops29h 15m

Ko Samui

Wed 1/5

2 stops47h 20m

฿43,362

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Wed 8/5

2 stops30h 10m

Ko Samui

Thu 16/5

2 stops25h 45m

฿44,045

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Thu 5/9

1 stop35h 30m

Ko Samui

Sun 15/9

1 stop28h 50m

฿52,782

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Mon 15/4

2 stops31h 25m

Ko Samui

Mon 22/4

1 stop25h 20m

฿53,933

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Mon 5/8

2 stops28h 20m

Ko Samui

Tue 20/8

2 stops33h 55m

฿54,832

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Sat 25/5

2 stops30h 10m

Ko Samui

Mon 3/6

2 stops38h 15m

฿56,090

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sun 21/4

3 stops47h 15m

Ko Samui

Wed 1/5

3 stops38h 30m

฿57,205

Flights are sorted by cheapest first

Deals found on 18/3

Average price of flights to Koh Samui by month

Plan your trip to Koh Samui by taking into account the cheapest months to travel. The average price of a one-way flight to Koh Samui is currently ฿27,350 while a return flight costs ฿49,343. Price data was last updated on 10 March 2024.

Currently, November is the cheapest month in which you can book a flight to Koh Samui (average of ฿142). Flying to Koh Samui in February will prove the most costly (average of ฿242). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

January

฿8,521

February

฿8,701

March

฿7,443

April

฿6,724

May

฿5,897

June

฿6,688

July

฿6,112

August

฿6,436

September

฿5,717

October

฿5,609

November

฿5,106

December

฿7,658

Temperature and rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature and rainfall totals by month.

USM

Temperature

27 - 29 °C

If weather is an important factor for your trip to Koh Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

When is the best time to book a flight to Koh Samui?

Use this chart to determine the optimal time to book a return flight to Koh Samui. Price data was last updated on 28 January 2024.
Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights to Koh Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly to Koh Samui?

Use this chart to determine the cheapest time to fly return to Koh Samui. Price data was last updated on 17 March 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Koh Samui should consider flying on Tuesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Wednesday at midday, when prices are usually at their highest.
Search Deals

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Koh Samui. Reviews last updated 19 March 2024.
8.4
Very Good
254 reviews

Crew

8.8

Entertainment

6.8

Food

7.7

Boarding

8.4

Overall

8.4

Comfort

8.2

Reviews

1 / 5

Wow, they even served a good meal on a 1 hour flight!

8.4
Very Good
254 reviews
8.4
Very Good
254 reviews

Crew

8.8

Entertainment

6.8

Food

7.7

Boarding

8.4

Overall

8.4

Comfort

8.2

Reviews

1 / 5

Wow, they even served a good meal on a 1 hour flight!

  • What does USM mean?

    This is just an IATA (International Air Transport Association) code. IATA codes are used in aviation to identify and differentiate airports. That’s why a Ko Samui Airport flight would often be abbreviated as a USM flight.

  • What airport do you fly into for flights to Koh Samui?

    For a flight to Koh Samui, you will be flying into Ko Samui. Ko Samui (USM) is just 3.3 km from the centre of the city. On average, Ko Samui has 200 flights from Bangkok per day from 1 airline.

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How does Cheapflights help users find flights to Koh Samui?

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Why should you use Cheapflights to find cheap flight tickets to Koh Samui?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Koh Samui.

Can Cheapflights find flights to Koh Samui with no change fees?

Need flexible booking options for your flight to Koh Samui ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights to Koh Samui become cheaper?

Yes, Cheapflights offers price alerts on Koh Samui flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.