From
To
Tue 11/8
–
Tue 18/8
Any month
Compare vs Cheapflights |
From
To
Leaving on
Tue 11/8
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
Add another flight clear all

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, 10% potential price rise
Cheapest in September Best time to find cheap flights, 5% potential price drop
Average price £793 Average for round-trip flights in August 2020
Round-trip from £526 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
£648
February
£630
March
£621
April
£629
May
£595
June
£596
July
£709
August
£648
September
£607
October
£618
November
£601
December
£632
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
£595 - £1115
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 60 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.

Alternative, similarly priced destinations

Find the best prices for you!

Cheap tickets to Ko Samui found by our users in United Kingdom
Newcastle to Ko Samui flights from £685 pp
Edinburgh to Ko Samui flights from £767 pp
Cardiff to Ko Samui flights from £616 pp
Manchester to Ko Samui flights from £529 pp
Heathrow to Ko Samui flights from £526 pp
Birmingham to Ko Samui flights from £538 pp
Leeds to Ko Samui flights from £644 pp
Gatwick to Ko Samui flights from £562 pp
Other local departures to Ko Samui (USM)

Cheapest flights to Thailand

Popular flight searches

Check out other popular destinations found by fellow travellers

International departures to Ko Samui

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