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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, 20% potential price rise |
| Cheapest in | May | Best time to find cheap flights, 3% potential price drop |
| Average price | ฿7,897 | Average for round-trip flights in April 2021 |
| Round-trip from | ฿3,652 | From Bangkok to Koh Samui |
| One-way from | ฿312 | One-way flight from Bangkok 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
฿7,909
February
฿8,022
March
฿7,045
April
฿7,431
May
฿7,229
June
฿7,053
July
฿7,418
August
฿7,108
September
฿6,564
October
฿6,923
November
฿5,889
December
฿6,574
Currently, the cheapest month for flights to Koh Samui is November. The most expensive month for flights is February. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.
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.
|
TH1 - USM Price
|
฿5,889 - ฿11,166
|
|
USM Temperature
|
29 - 33 °C
|
|
USM Rainfall
|
50 - 423 mm
|
November 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?
The price you pay for your flight to Koh Samui may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Which day is cheapest to fly to Koh Samui?
The cheapest day to fly to Koh Samui is usually Tuesday. At the moment, Saturday is the most expensive.
What time of day is cheapest to fly to Koh Samui?
To get the best value, try booking a flight in the morning when visiting Koh Samui. Generally the prices will increase for flights in the evening as these tend to have higher demand.
Cheap flights to Koh Samui in April, May 2021
The best prices found for USM flights for April, May
28 Apr - 2 May
฿3,652pp
BKK
Bangkok Suvarnabhumi
Bangkok Airways
Direct
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
Direct
BKK
Bangkok Suvarnabhumi
23 Apr - 27 Apr
฿3,808pp
BKK
Bangkok Suvarnabhumi
Bangkok Airways
Direct
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
Direct
BKK
Bangkok Suvarnabhumi
24 Apr - 24 Apr
฿3,995pp
BKK
Bangkok Suvarnabhumi
Bangkok Airways
Direct
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
Direct
BKK
Bangkok Suvarnabhumi
Koh Samui 2021 flight deals
Cheap flights to Koh Samui found for this year
28 Apr - 2 May
฿3,652pp
BKK
Bangkok Suvarnabhumi
Bangkok Airways
Direct
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
Direct
BKK
Bangkok Suvarnabhumi
23 Apr - 27 Apr
฿3,808pp
BKK
Bangkok Suvarnabhumi
Bangkok Airways
Direct
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
Direct
BKK
Bangkok Suvarnabhumi
24 Apr - 24 Apr
฿3,995pp
BKK
Bangkok Suvarnabhumi
Bangkok Airways
Direct
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
Direct
BKK
Bangkok Suvarnabhumi
Last minute flights to Koh Samui
Late deals on return flights to Koh Samui, departing today and this week
28 Apr - 2 May
฿3,652pp
BKK
Bangkok Suvarnabhumi
Bangkok Airways
Direct
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
Direct
BKK
Bangkok Suvarnabhumi
29 Apr - 6 May
฿4,058pp
BKK
Bangkok Suvarnabhumi
Bangkok Airways
Direct
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
Direct
BKK
Bangkok Suvarnabhumi
1 May - 4 May
฿4,245pp
BKK
Bangkok Suvarnabhumi
Bangkok Airways
Direct
USM
Koh Samui
USM
Koh Samui
Bangkok Airways
Direct
BKK
Bangkok Suvarnabhumi
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 Thailand as recently as April 21, 2021.
Chiang Mai to Koh Samui flights
from ฿5,462 pp
Phuket to Koh Samui flights
from ฿6,617 pp
Krabi to Koh Samui flights
from ฿8,022 pp
Cheapest flights to Thailand
Not set on Koh Samui? See the cheapest flights to Thailand. Airfare prices updated on April 21, 2021.
Phuket to Bangkok flights
from ฿718 pp
Bangkok to Krabi flights
from ฿750 pp
Bangkok to Phuket flights
from ฿781 pp
Bangkok to Chiang Mai flights
from ฿781 pp
Chiang Mai to Bangkok flights
from ฿874 pp
Krabi to Bangkok flights
from ฿1,280 pp
Chiang Mai to Phuket flights
from ฿2,373 pp
Phuket to Chiang Mai flights
from ฿2,654 pp
Chiang Mai to Krabi flights
from ฿2,747 pp
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