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Cheap flights from London Gatwick Airport to Southeast Asia from €378

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Southeast Asia departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Gatwick Airport to Southeast Asia

Cheap return flights

Enter your travel dates to find the best prices.
Air China Logo
11:35 - 16:25
LGW
-
SIN
20h 50m1 stop
Air China Logo
17:55 - 05:35
SIN
-
LGW
19h 40m1 stop
€536Air China
Fri, 16 Jan - Thu, 29 Jan
Air China Logo
11:05 - 16:15
LGW
-
SIN
21h 10m1 stop
Air China Logo
17:55 - 05:35
SIN
-
LGW
19h 40m1 stop
€540Air China
Wed, 14 Jan - Thu, 29 Jan
Gulf Air Logo
11:25 - 12:20
LGW
-
SIN
17h 55m1 stop
Gulf Air Logo
20:00 - 06:55
SIN
-
LGW
17h 55m1 stop
€546Gulf Air
Wed, 13 May - Tue, 26 May
Gulf Air Logo
10:35 - 12:30
LGW
-
SIN
17h 55m1 stop
Gulf Air Logo
20:00 - 06:30
SIN
-
LGW
18h 30m1 stop
€555Gulf Air
Sun, 1 Feb - Tue, 24 Feb
Gulf Air Logo
10:35 - 12:30
LGW
-
SIN
17h 55m1 stop
Gulf Air Logo
20:00 - 06:20
SIN
-
LGW
18h 20m1 stop
€556Gulf Air
Wed, 25 Feb - Thu, 19 Mar
SWISS Logo
18:40 - 18:00
LGW
-
SIN
15h 20m1 stop
SWISS Logo
23:30 - 08:20
SIN
-
LGW
15h 50m1 stop
€559SWISS
Mon, 16 Mar - Wed, 1 Apr
China Eastern Logo
10:30 - 20:25
LGW
-
SIN
25h 55m1 stop
China Eastern Logo
12:40 - 06:30
SIN
-
LGW
25h 50m2 stops
€565China Eastern
Thu, 22 Jan - Wed, 4 Feb
China Eastern Logo
17:00 - 01:40
LGW
-
SIN
24h 40m3 stops
China Eastern Logo
23:00 - 14:00
SIN
-
LGW
23h 00m1 stop
€570China Eastern
Thu, 22 Jan - Wed, 4 Feb
SWISS Logo
18:35 - 17:05
LGW
-
SIN
15h 30m1 stop
SWISS Logo
23:30 - 08:20
SIN
-
LGW
15h 50m1 stop
€571SWISS
Mon, 11 May - Sun, 17 May
China Southern Logo
10:05 - 10:00
LGW
-
RGN
17h 25m1 stop
China Southern Logo
11:05 - 17:20
RGN
-
LGW
60h 45m2 stops
€644China Southern
Mon, 12 Jan - Thu, 29 Jan

Air China flights from London Gatwick Airport to Southeast Asia

Our best Air China deals on London Gatwick Airport to Southeast Asia flight tickets
Air China
16 Jan
LGW11:35London Gatwick
20h 50m
1 stop
SIN16:25Singapore Changi
29 Jan
SIN17:55Singapore Changi
19h 40m
1 stop
LGW05:35London Gatwick
€536
Find similar
Air China
14 Jan
LGW11:05London Gatwick
21h 10m
1 stop
SIN16:15Singapore Changi
29 Jan
SIN17:55Singapore Changi
19h 40m
1 stop
LGW05:35London Gatwick
€540
Find similar
Air China
12 Jan
LGW11:05London Gatwick
21h 10m
1 stop
SIN16:15Singapore Changi
27 Jan
SIN17:55Singapore Changi
19h 40m
1 stop
LGW05:35London Gatwick
€623
Find similar

China Eastern flights from London Gatwick Airport to Southeast Asia

Our best China Eastern deals on London Gatwick Airport to Southeast Asia flight tickets
China Eastern
22 Jan
LGW10:30London Gatwick
25h 55m
1 stop
SIN20:25Singapore Changi
4 Feb
SIN12:40Singapore Changi
25h 50m
2 stops
LGW06:30London Gatwick
€565
Find similar
China Eastern
22 Jan
LGW17:00London Gatwick
24h 40m
3 stops
SIN01:40Singapore Changi
4 Feb
SIN23:00Singapore Changi
23h 00m
1 stop
LGW14:00London Gatwick
€570
Find similar
China Eastern
19 Jan
LGW10:30London Gatwick
20h 30m
1 stop
SIN15:00Singapore Changi
2 Feb
SIN16:15Singapore Changi
22h 15m
1 stop
LGW06:30London Gatwick
€572
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 19 December 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Fri 16/1

11:35-16:25

1 stop20h 50m

Singapore Changi

Thu 29/1

17:55-05:35

1 stop19h 40m

€536

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Wed 14/1

11:05-16:15

1 stop21h 10m

Singapore Changi

Thu 29/1

17:55-05:35

1 stop19h 40m

€540

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Wed 13/5

11:25-12:20

1 stop17h 55m

Singapore Changi

Tue 26/5

20:00-06:55

1 stop17h 55m

€546

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Sun 1/2

10:35-12:30

1 stop17h 55m

Singapore Changi

Tue 24/2

20:00-06:30

1 stop18h 30m

€555

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Wed 25/2

10:35-12:30

1 stop17h 55m

Singapore Changi

Thu 19/3

20:00-06:20

1 stop18h 20m

€556

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Mon 16/3

18:40-18:00

1 stop15h 20m

Singapore Changi

Wed 1/4

23:30-08:20

1 stop15h 50m

€559

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Thu 22/1

10:30-20:25

1 stop25h 55m

Singapore Changi

Wed 4/2

12:40-06:30

2 stops25h 50m

€565

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Thu 22/1

17:00-01:40

3 stops24h 40m

Singapore Changi

Wed 4/2

23:00-14:00

1 stop23h 00m

€570

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Mon 11/5

18:35-17:05

1 stop15h 30m

Singapore Changi

Sun 17/5

23:30-08:20

1 stop15h 50m

€571

LondonYangon

LGW - RGN

LGWRGN

London Gatwick

Mon 12/1

10:05-10:00

1 stop17h 25m

Yangon Mingaladon

Thu 29/1

11:05-17:20

2 stops60h 45m

€644

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Southeast Asia from

How to get the cheapest flight ticket from London Gatwick Airport to Southeast Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Southeast Asia?

The cheapest month to fly to Southeast Asia from London Gatwick Airport is in May. Flight prices, which tend to average around €620, are often lower during this time because this is during the off-season. If you’re not able to fly to Southeast Asia in May, then September is your next best option. Flight prices from London Gatwick Airport to Southeast Asia during September average around €628.

What is the cheapest time of day to depart on your flight to Southeast Asia?

Our most recent data shows that the best time of day to fly to Southeast Asia is in the afternoon. Flights from London Gatwick Airport to Southeast Asia during this time can be as low as €573. Flights to Southeast Asia are more costly in the evening, with an average ticket price of €804. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London Gatwick to Southeast Asia flight route?

Fly from London Gatwick to Bangkok Suvarnabhumi for the best London Gatwick - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around €740 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from London Gatwick Airport for as low as €672 on momondo.

What cabin class options are available on London Gatwick to Southeast Asia flights?

There are 2 cabin classes available to choose from on London Gatwick to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Gatwick Airport to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between London Gatwick Airport to Southeast Asia.

Cheap London Gatwick Airport to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Southeast Asia

Fastest flight time

12h 55m

Direct flights

Every day

Airports in Southeast Asia

295 airports
The fastest flight from London Gatwick Airport to Southeast Asia takes 12h 55m
Direct flights go from London Gatwick Airport to Southeast Asia every day.
There are 295 airports in Southeast Asia. From London Gatwick Airport there are direct flights to Singapore Changi (SIN).
Search flight deals

  • When did momondo last update prices for flights from London Gatwick Airport to Southeast Asia?

    Prices for flights from London Gatwick Airport to Southeast Asia refresh daily.

  • How old do you have to be to fly from London Gatwick Airport to Southeast Asia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Southeast Asia.

  • What documentation or ID do you need to fly to Southeast Asia?

    The travel and health documents required for your trip to Southeast Asia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Southeast Asia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London Gatwick Airport to Southeast Asia?

Why use momondo?

Why should I use momondo to find a flight deal from London to Southeast Asia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Southeast Asia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Southeast Asia with flexible booking policies on momondo?

Flights from London to Southeast Asia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Southeast Asia?

Once you have performed a search for London to Southeast Asia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Southeast Asia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Southeast Asia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Southeast Asia trip

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