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Cheap flights to Koh Samui

WAS — USM
2 Apr — 9 Apr1
1 adult
Tue 2-4
Tue 9-4

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Cheapflights users frequently choose these airlines when searching for flights to Koh Samui, based on our search results.
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 80,916 searches and data was last updated on 28 March 2024.

Popular in

April

Cheapest in

November

Average price

HK$4,506

Return from

HK$2,449

One-way from

HK$1,189
High demand for flights, 6% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for return flights in March 2024
From Hong Kong Intl to Ko Samui
One-way flight from Hong Kong Intl (HKG) to Ko Samui (USM)

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 HK$0 while a return flight costs HK$0. Price data was last updated on 24 March 2024.

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.
To ensure you get the cheapest price possible for a flight to Koh Samui, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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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 24 March 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Koh Samui should consider flying on Tuesday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday at midday, when prices are usually at their highest.
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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 28 March 2024.
Read through reviews of airlines servicing Koh Samui, such as Singapore Airlines, Emirates and Bangkok Airways. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very Good
1,620 reviews

Food

7.9

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

8.4
Very Good
1,620 reviews
8.4
Very Good
1,620 reviews

Food

7.9

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

8.4
Very Good
236 reviews
8.4
Very Good
1,620 reviews

Food

7.9

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

8.3
Very Good
1,512 reviews
8.4
Very Good
1,620 reviews

Food

7.9

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

8.1
Very Good
4,156 reviews
8.4
Very Good
1,620 reviews

Food

7.9

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

7.9
Good
1,192 reviews
8.4
Very Good
1,620 reviews

Food

7.9

Overall

8.4

Crew

8.6

Entertainment

8.0

Boarding

8.4

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

  • What does USM mean?

    USM is a unique code, commonly called an IATA code, used in the aviation industry to identify airports. This code, along with many others, are defined by IATA (International Air Transport Association). A USM flight refers to a flight to Ko Samui Airport.

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

    If you book a flight to Koh Samui, you will be flying into Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3.3 km from the centre of Koh Samui.

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