In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Gatwick Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from USM to LGW?

When flying from Ko Samui to London Gatwick Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Ko Samui to London Gatwick?

If you book a flight to London Gatwick from Ko Samui, you will be flying from Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 2.1 mi from the center of Ko Samui. There are 0 flights from Ko Samui to London Gatwick per day from 0 different airlines.

Can I find deals for flights from Ko Samui to Gatwick that include hotel bookings?

Yes. In addition to deals on Ko Samui to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ko Samui to Gatwick?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Gatwick.

Can I find deals for business class flights from Ko Samui to Gatwick?

Yes. Cheapflights offers flight deals from Ko Samui to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£268+ Cheap Flights from Ko Samui to London Gatwick Airport

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Enter your travel dates to find the best prices.

One-way flights from Ko Samui to Gatwick
Search for one-way flight options from Ko Samui to Gatwick. Find affordable one-way fares based on user searches. Data last updated 14 October 2025.

Tue 21/1012:30USM - LGW

3 stops29h 50mMultiple Airlines

Deal found 12/10£268

Thu 6/1108:30USM - LGW

1 stop17h 00mMultiple Airlines

Deal found 13/10£276

Tue 3/215:50USM - LGW

3 stops39h 05mMultiple Airlines

Deal found 13/10£317

Tue 13/116:30USM - LGW

2 stops21h 00mMultiple Airlines

Deal found 12/10£394

Tue 3/208:55USM - LGW

1 stop28h 30mSingapore Airlines

Deal found 13/10£567

Tue 13/119:00USM - LGW

1 stop17h 30mBritish Airways

Deal found 13/10£678

Tue 21/1012:05USM - LGW

1 stop24h 35mSingapore Airlines

Deal found 12/10£875

Cheap flight deals from Ko Samui to Gatwick

Popular in	January
Cheapest in	June
Average price	£1,102

Highest demand for flights based on searches. 12% potential increase in price (£106 potential increase over avg. return price).

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Cheapest flight prices on average. 6% potential price decrease (£48 potential savings vs. average return price).

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Average for round-trip flights in October 2025

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Ko Samui to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Tue 21/10

12:30-12:20

3 stops29h 50m

£268

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Thu 6/11

08:30-18:30

1 stop17h 00m

£276

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Tue 3/2

15:50-23:55

3 stops39h 05m

£317

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Sat 22/11

18:15-23:55

3 stops36h 40m

£326

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Tue 13/1

16:30-06:30

2 stops21h 00m

£394

Ko SamuiLondon

USM - LGW

USMLGW

Ko Samui

Tue 3/2

08:55-06:25

1 stop28h 30m

£567

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Best time to book a flight from Ko Samui to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Ko Samui with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly from for flights from Ko Samui to London Gatwick?
If you book a flight to London Gatwick from Ko Samui, you will be flying from Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 2.1 mi from the center of Ko Samui. There are 0 flights from Ko Samui to London Gatwick per day from 0 different airlines.
Can I find deals for flights from Ko Samui to Gatwick that include hotel bookings?
Yes. In addition to deals on Ko Samui to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ko Samui to Gatwick?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Gatwick.
Can I find deals for business class flights from Ko Samui to Gatwick?
Yes. Cheapflights offers flight deals from Ko Samui to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Can Cheapflights find flights from Ko Samui to Gatwick with no change fees?

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Can Cheapflights notify me if prices for flights from Ko Samui to Gatwick become cheaper?

Not ready to book yet? You can track prices for flights from Ko Samui to Gatwick on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Ko Samui to London Gatwick Airport from £268

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Ko Samui to Gatwick

One-way flights from Ko Samui to GatwickSearch for one-way flight options from Ko Samui to Gatwick. Find affordable one-way fares based on user searches. Data last updated 14 October 2025.

Search for one-way flight options from Ko Samui to Gatwick. Find affordable one-way fares based on user searches. Data last updated 14 October 2025.

Cheap flight deals from Ko Samui to Gatwick

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ko Samui to London Gatwick Airport that are best for you.

Best time to book a flight from Ko Samui to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Ko Samui with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Ko Samui to London Gatwick?

Can I find deals for flights from Ko Samui to Gatwick that include hotel bookings?

How can I find direct flights from Ko Samui to Gatwick?

Can I find deals for business class flights from Ko Samui to Gatwick?

Travelling to a place near London Gatwick Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ko Samui to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ko Samui to Gatwick?

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Gatwick?

Can Cheapflights find flights from Ko Samui to Gatwick with no change fees?

Can Cheapflights notify me if prices for flights from Ko Samui to Gatwick become cheaper?

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One-way flights from Ko Samui to Gatwick
Search for one-way flight options from Ko Samui to Gatwick. Find affordable one-way fares based on user searches. Data last updated 14 October 2025.