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Cheap flights from London Gatwick Airport to Southeast Asia from €349

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 15/3. 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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0 bags
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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.
Gulf Air Logo
10:35 - 12:30LGW-SIN
17h 55m1 stop
Gulf Air Logo
20:25 - 06:30SIN-LGW
18h 05m1 stop
€543Gulf Air
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Wed, 3 Dec - Tue, 9 Dec
Gulf Air Logo
10:35 - 12:30LGW-SIN
17h 55m1 stop
Gulf Air Logo
20:00 - 06:55SIN-LGW
17h 55m1 stop
€544Gulf Air
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Sun, 30 Nov - Tue, 5 May
SWISS Logo
18:40 - 18:00LGW-SIN
15h 20m1 stop
SWISS Logo
00:05 - 17:50SIN-LGW
25h 45m1 stop
€560SWISS
Find Deal
Thu, 19 Mar - Sun, 22 Mar
SWISS Logo
18:40 - 18:00LGW-SIN
15h 20m1 stop
SWISS Logo
00:05 - 17:50SIN-LGW
25h 45m1 stop
€565SWISS
Find Deal
Thu, 19 Mar - Sun, 22 Mar
Multiple Airlines Logo
11:05 - 16:15LGW-SIN
21h 10m1 stop
Multiple Airlines Logo
18:30 - 14:00SIN-LGW
27h 30m1 stop
€586Multiple Airlines
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Thu, 20 Nov - Sun, 30 Nov
Multiple Airlines Logo
13:25 - 03:20LGW-SIN
29h 55m1 stop
Multiple Airlines Logo
18:15 - 18:30SIN-LGW
32h 15m2 stops
€595Multiple Airlines
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Thu, 20 Nov - Sun, 30 Nov
Singapore Airlines Logo
10:15 - 06:20LGW-SIN
13h 05mdirect
Singapore Airlines Logo
23:55 - 06:25SIN-LGW
13h 30mdirect
€653Singapore Airlines
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Wed, 29 Apr - Wed, 6 May
Singapore Airlines Logo
10:15 - 06:20LGW-SIN
13h 05mdirect
Singapore Airlines Logo
23:55 - 06:25SIN-LGW
13h 30mdirect
€655Singapore Airlines
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Wed, 29 Apr - Wed, 6 May
Turkish Airlines Logo
06:25 - 08:45LGW-SIN
18h 20m1 stop
Turkish Airlines Logo
09:20 - 22:25SIN-LGW
20h 05m1 stop
€690Turkish Airlines
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Tue, 17 Feb - Mon, 30 Mar
Turkish Airlines Logo
10:20 - 10:00LGW-SIN
15h 40m1 stop
Turkish Airlines Logo
10:25 - 22:30SIN-LGW
20h 05m1 stop
€699Turkish Airlines
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Thu, 5 Mar - Tue, 17 Mar

Gulf Air flights from London Gatwick Airport to Southeast Asia

Our best Gulf Air deals on London Gatwick Airport to Southeast Asia flight tickets
Gulf Air
3 Dec
LGW10:35London Gatwick
17h 55m
1 stop
SIN12:30Singapore Changi
9 Dec
SIN20:25Singapore Changi
18h 05m
1 stop
LGW06:30London Gatwick
€543
Find similar
Gulf Air
30 Nov
LGW10:35London Gatwick
17h 55m
1 stop
SIN12:30Singapore Changi
5 May
SIN20:00Singapore Changi
17h 55m
1 stop
LGW06:55London Gatwick
€544
Find similar
Gulf Air
9 Nov
LGW10:35London Gatwick
17h 55m
1 stop
SIN12:30Singapore Changi
27 Nov
SIN20:25Singapore Changi
17h 55m
1 stop
LGW06:20London Gatwick
€550
Find similar

SWISS flights from London Gatwick Airport to Southeast Asia

Our best SWISS deals on London Gatwick Airport to Southeast Asia flight tickets
SWISS
19 Mar
LGW18:40London Gatwick
15h 20m
1 stop
SIN18:00Singapore Changi
22 Mar
SIN00:05Singapore Changi
25h 45m
1 stop
LGW17:50London Gatwick
€560
Find similar
SWISS
19 Mar
LGW18:40London Gatwick
15h 20m
1 stop
SIN18:00Singapore Changi
22 Mar
SIN00:05Singapore Changi
25h 45m
1 stop
LGW17:50London Gatwick
€565
Find similar
SWISS
19 Mar
LGW18:40London Gatwick
15h 20m
1 stop
SIN18:00Singapore Changi
22 Mar
SIN00:05Singapore Changi
25h 45m
1 stop
LGW17:50London Gatwick
€602
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 2 November 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

Wed 3/12

10:35-12:30

1 stop17h 55m

Singapore Changi

Tue 9/12

20:25-06:30

1 stop18h 05m

€543

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Sun 30/11

10:35-12:30

1 stop17h 55m

Singapore Changi

Tue 5/5

20:00-06:55

1 stop17h 55m

€544

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Thu 19/3

18:40-18:00

1 stop15h 20m

Singapore Changi

Sun 22/3

00:05-17:50

1 stop25h 45m

€560

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Thu 19/3

18:40-18:00

1 stop15h 20m

Singapore Changi

Sun 22/3

00:05-17:50

1 stop25h 45m

€565

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Thu 20/11

11:05-16:15

1 stop21h 10m

Singapore Changi

Sun 30/11

18:30-14:00

1 stop27h 30m

€586

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Thu 20/11

13:25-03:20

1 stop29h 55m

Singapore Changi

Sun 30/11

18:15-18:30

2 stops32h 15m

€595

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Wed 29/4

10:15-06:20

Nonstop13h 05m

Singapore Changi

Wed 6/5

23:55-06:25

Nonstop13h 30m

€653

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Wed 29/4

10:15-06:20

Nonstop13h 05m

Singapore Changi

Wed 6/5

23:55-06:25

Nonstop13h 30m

€655

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Tue 17/2

06:25-08:45

1 stop18h 20m

Singapore Changi

Mon 30/3

09:20-22:25

1 stop20h 05m

€690

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Thu 5/3

10:20-10:00

1 stop15h 40m

Singapore Changi

Tue 17/3

10:25-22:30

1 stop20h 05m

€699

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 €637, 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 June is your next best option. Flight prices from London Gatwick Airport to Southeast Asia during June average around €647.

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 €582. Flights to Southeast Asia are more costly in the evening, with an average ticket price of €817. 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 €768 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 €698 on momondo.

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

There is only 1 cabin class 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 50m

Direct flights

Every day

Airports in Southeast Asia

1 airport
The fastest flight from London Gatwick Airport to Southeast Asia takes 12h 50m
Direct flights go from London Gatwick Airport to Southeast Asia every day.
There is 1 airport near Southeast Asia: Singapore Changi (SIN)
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  • 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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