Skip to main content
Cheap Flights to Koh Samui
Return
Economy
Flights to Koh Samui in 2021
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
| Popular in | January | High demand for flights, 7% potential price rise |
| Cheapest in | November | Best time to find cheap flights, 2% potential price drop |
| Average price | S$ 436 | Average for round-trip flights in June 2021 |
| Round-trip from | S$ 409 | From Singapore Changi to Koh Samui |
Cheapest prices for Koh Samui flights by month
The cheapest ticket to Koh Samui found for each month in 2021 based on historical flight searches by Cheapflights users.
January
S$ 443
February
S$ 458
March
S$ 470
April
S$ 459
May
S$ 444
June
S$ 446
July
S$ 460
August
S$ 466
September
S$ 445
October
S$ 429
November
S$ 405
December
S$ 404
December is currently the cheapest month to fly to Koh Samui. At this moment in time March is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.
When is the best time to fly to Koh Samui?
Average Koh Samui flight ticket prices and weather conditions for 2021 and 2022 by month.
|
SIN - USM Price
|
S$ 404 - S$ 771
|
|
USM Temperature
|
29 - 33 °C
|
|
USM Rainfall
|
50 - 423 mm
|
December is typically the best time to fly to Koh Samui, but there are other times where great deals are available. May tends to be the warmest period in Koh Samui so if you are looking for sun or warmer climates then look to fly around this time. November is the wettest if you need to factor this in to your plans.
When is the best time to book a flight to Koh Samui?
Booking 61 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.
Which day is cheapest to fly to Koh Samui?
At the moment, Tuesday is the most economical day to take a flight to Koh Samui. Friday is likely to be the most costly.
What time of day is cheapest to fly to Koh Samui?
At the moment, flights in the afternoon are likely to offer the best value for money for your Koh Samui trip. A flight at midday will more often than not be of higher cost.
Cheap flights to Koh Samui in June, July 2021
The best prices found for USM flights for June, July
19 Jun - 26 Jun
S$ 412pp
SIN
Singapore Changi
Multiple airlines
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
1 STOP
SIN
Singapore Changi
16 Jun - 19 Jun
S$ 425pp
SIN
Singapore Changi
Multiple airlines
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
1 STOP
SIN
Singapore Changi
15 Jun - 22 Jun
S$ 439pp
SIN
Singapore Changi
Multiple airlines
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
1 STOP
SIN
Singapore Changi
Koh Samui 2021 flight deals
Cheap flights to Koh Samui found for this year
16 Aug - 21 Aug
S$ 409pp
SIN
Singapore Changi
Multiple airlines
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
1 STOP
SIN
Singapore Changi
19 Jun - 26 Jun
S$ 412pp
SIN
Singapore Changi
Multiple airlines
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
1 STOP
SIN
Singapore Changi
16 Jun - 19 Jun
S$ 425pp
SIN
Singapore Changi
Multiple airlines
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
1 STOP
SIN
Singapore Changi
Last minute flights to Koh Samui
Late deals on return flights to Koh Samui, departing today and this week
19 Jun - 26 Jun
S$ 412pp
SIN
Singapore Changi
Multiple airlines
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
1 STOP
SIN
Singapore Changi
19 Jun - 26 Jun
S$ 512pp
SIN
Singapore Changi
Multiple airlines
1 STOP
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
2 STOPS
SIN
Singapore Changi
19 Jun - 26 Jun
S$ 1,121pp
SIN
Singapore Changi
Multiple airlines
3 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
1 STOP
SIN
Singapore Changi
Alternative, similarly priced destinations
See alternative destinations where airfare is generally forecast to be close to Koh Samui flight prices.
Find the best prices for you!
Cheap tickets to Koh Samui found by our users in Singapore as recently as June 14, 2021.
Singapore City Airport to Koh Samui flights
from S$ 409 pp
Cheapest flights to Thailand
Not set on Koh Samui? See the cheapest flights to Singapore. Airfare prices updated on June 14, 2021.
Singapore City Airport to Bangkok flights
from S$ 125 pp
Singapore City Airport to Phuket flights
from S$ 145 pp
Singapore City Airport to Chiang Mai flights
from S$ 264 pp
Singapore City Airport to Krabi flights
from S$ 276 pp
Singapore City Airport to Koh Samui flights
from S$ 410 pp
Popular flight searches
Check out other popular destinations found by fellow travellers in 2021.
Popular places in Thailand