From
To
Thu 5/11
Thu 12/11
Any month
Compare vs Cheapflights |
From
To
Leaving on
Thu 5/11
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime
From
To
Leaving on
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

Home Asia Thailand Koh Samui Cheap flights to Ko Samui, Thailand

Cheap Flights to Ko Samui

Popular in December High demand for flights, 11% potential price rise
Cheapest in May Best time to find cheap flights, 5% potential price drop
Average price £641 Average for round-trip flights in October 2020
Round-trip from £544 From London to Ko Samui
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Cheapest prices for Ko Samui flights by month

January
£651
February
£633
March
£625
April
£632
May
£598
June
£599
July
£713
August
£652
September
£610
October
£622
November
£604
December
£635
Currently, the cheapest month for flights to Ko Samui is May. The most expensive month for flights is July. 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 Ko Samui?

Choose a month below to see average flight price and weather conditions.
LON - USM
Price
£598 - £1,120
USM
Temperature
29 - 33 °C
USM
Rainfall
50 - 423 mm
May is typically the best time to fly to Ko Samui, but there are other times where great deals are available. May sees the temperatures in Ko Samui peak to their warmest. November tends, on average, to see the most amount of rainfall.

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

The best time to book flights to Ko Samui is 12 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Which day is cheapest to fly to Ko Samui?

The cheapest day to fly to Ko Samui is usually Tuesday. At the moment, Friday is the most expensive.

What time of day is cheapest to fly to Ko Samui?

At the moment, flights at midday are likely to offer the best value for money for your Ko Samui trip. A flight in the morning will more often than not be of higher cost.

Find the best prices for you!

Cheap tickets to Ko Samui found by our users in United Kingdom
Home Asia Thailand Koh Samui Cheap flights to Ko Samui, Thailand