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Cheap flights from London Gatwick Airport to Southeast Asia from £258

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 28/11. 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
11:05 - 16:40LGW-HAN
22h 35m1 stop
Air China Logo
13:30 - 06:55HAN-LGW
24h 25m2 stops
£396Air China
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Air China Logo
11:05 - 16:40LGW-HAN
22h 35m1 stop
Air China Logo
18:15 - 06:55HAN-LGW
19h 40m1 stop
£398Air China
Find Deal
Wed, 12 Nov - Tue, 16 Dec
Air China Logo
11:05 - 16:40LGW-HAN
22h 35m1 stop
Air China Logo
18:15 - 06:55HAN-LGW
19h 40m1 stop
£398Air China
Find Deal
Fri, 14 Nov - Thu, 20 Nov
Multiple Airlines Logo
11:05 - 11:15LGW-HAN
17h 10m1 stop
Multiple Airlines Logo
02:10 - 06:55HAN-LGW
35h 45m2 stops
£402Multiple Airlines
Find Deal
Wed, 19 Nov - Wed, 26 Nov
China Eastern Logo
10:30 - 16:00LGW-SGN
22h 30m2 stops
China Eastern Logo
02:10 - 06:30SGN-LGW
35h 20m1 stop
£449China Eastern
Find Deal
Sun, 23 Nov - Wed, 3 Dec
China Eastern Logo
10:30 - 01:10LGW-SGN
31h 40m1 stop
China Eastern Logo
02:10 - 14:00SGN-LGW
18h 50m1 stop
£450China Eastern
Find Deal
Wed, 3 Dec - Thu, 18 Dec
Gulf Air Logo
10:35 - 12:30LGW-SIN
17h 55m1 stop
Gulf Air Logo
20:25 - 06:20SIN-LGW
17h 55m1 stop
£461Gulf Air
Find Deal
Sun, 9 Nov - Sat, 15 Nov
Gulf Air Logo
10:35 - 12:30LGW-SIN
17h 55m1 stop
Gulf Air Logo
20:25 - 06:20SIN-LGW
17h 55m1 stop
£466Gulf Air
Find Deal
Wed, 19 Nov - Sat, 22 Nov
Qatar Airways Logo
08:40 - 14:40LGW-KUL
22h 00m1 stop
Qatar Airways Logo
10:15 - 05:55KUL-LGW
27h 40m1 stop
£514Qatar Airways
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Thu, 20 Nov - Thu, 27 Nov
Singapore Airlines Logo
09:20 - 17:10LGW-USM
24h 50m1 stop
Singapore Airlines Logo
08:55 - 05:25USM-LGW
27h 30m1 stop
£806Singapore Airlines
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Sat, 7 Mar - Sat, 28 Mar

Norse Atlantic UK flights from London Gatwick Airport to Southeast Asia

Our best Norse Atlantic UK deals on London Gatwick Airport to Southeast Asia flight tickets
Norse Atlantic UK
23 Nov
LGW16:10London Gatwick
11h 15m
BKK10:25Bangkok Suvarnabhumi
3 Dec
BKK12:30Bangkok Suvarnabhumi
13h 00m
LGW18:30London Gatwick
£469
Find similar
Norse Atlantic UK
4 Nov
LGW16:00London Gatwick
11h 25m
BKK10:25Bangkok Suvarnabhumi
11 Dec
BKK12:25Bangkok Suvarnabhumi
12h 55m
LGW18:20London Gatwick
£484
Find similar

China Southern flights from London Gatwick Airport to Southeast Asia

Our best China Southern deals on London Gatwick Airport to Southeast Asia flight tickets
China Southern
2 Dec
LGW20:20London Gatwick
35h 25m
2 stops
HAN14:45Hanoi Noibai
11 Dec
HAN15:45Hanoi Noibai
21h 35m
1 stop
LGW06:20London Gatwick
£445
Find similar
China Southern
22 Nov
LGW20:20London Gatwick
37h 45m
2 stops
BKK17:05Bangkok Suvarnabhumi
13 Dec
BKK02:10Bangkok Suvarnabhumi
35h 15m
1 stop
LGW06:25London Gatwick
£458
Find similar
China Southern
2 Dec
LGW20:20London Gatwick
30h 30m
2 stops
MNL10:50Manila Ninoy Aquino Intl
14 Dec
MNL17:55Manila Ninoy Aquino Intl
20h 30m
1 stop
LGW06:25London Gatwick
£474
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 279,928 searches. Data last updated 31 October 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

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 26/11

11:05-16:40

1 stop22h 35m

Hanoi Noibai

Wed 3/12

13:30-06:55

2 stops24h 25m

£396

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 12/11

11:05-16:40

1 stop22h 35m

Hanoi Noibai

Tue 16/12

18:15-06:55

1 stop19h 40m

£398

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Fri 14/11

11:05-16:40

1 stop22h 35m

Hanoi Noibai

Thu 20/11

18:15-06:55

1 stop19h 40m

£398

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 19/11

11:05-11:15

1 stop17h 10m

Hanoi Noibai

Wed 26/11

02:10-06:55

2 stops35h 45m

£402

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Sun 23/11

10:30-16:00

2 stops22h 30m

Ho Chi Minh City

Wed 3/12

02:10-06:30

1 stop35h 20m

£449

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Wed 3/12

10:30-01:10

1 stop31h 40m

Ho Chi Minh City

Thu 18/12

02:10-14:00

1 stop18h 50m

£450

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Sun 9/11

10:35-12:30

1 stop17h 55m

Singapore Changi

Sat 15/11

20:25-06:20

1 stop17h 55m

£461

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Wed 19/11

10:35-12:30

1 stop17h 55m

Singapore Changi

Sat 22/11

20:25-06:20

1 stop17h 55m

£466

LondonKuala Lumpur

LGW - KUL

LGWKUL

London Gatwick

Thu 20/11

08:40-14:40

1 stop22h 00m

Kuala Lumpur Intl

Thu 27/11

10:15-05:55

1 stop27h 40m

£514

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sat 7/3

09:20-17:10

1 stop24h 50m

Ko Samui

Sat 28/3

08:55-05:25

1 stop27h 30m

£806

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 month of May is, on average, the cheapest month to fly to Southeast Asia from London Gatwick Airport, with most prices found around £558. If you are unable to visit Southeast Asia during the month of May, then departing from London Gatwick Airport during the month June is also very affordable. Most momondo users find prices during this month for around £566.

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

Our data shows that Wednesday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as £586. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Southeast Asia on Saturday is £781.

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

In the afternoon is the cheapest time of day to fly from London Gatwick Airport to Southeast Asia when you can find flight prices for as low as £574. Flying to Southeast Asia in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around £768. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £672 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 £612 on momondo.

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

There are 3 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?

You could potentially save up to 5% on your flight if you consider stops on a London Gatwick Airport to Southeast Asia flight.

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

11h 15m

Direct flights

Mon, Wed, Thu and Sun

Airports in Southeast Asia

1 airport
The fastest flight from London Gatwick Airport to Southeast Asia takes 11h 15m
Direct flights go from London Gatwick Airport to Southeast Asia on Monday, Wednesday, Thursday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Southeast Asia: Bangkok Suvarnabhumi (BKK)
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 many operators does momondo search for flights from London Gatwick Airport to Southeast Asia?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Gatwick Airport to Southeast Asia.

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

    The required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from London Gatwick Airport to Southeast Asia

Compare and see reviews for airlines that fly from London Gatwick Airport to Southeast Asia with momondo
Airline
Rating
Free Cancellation
Price
Hahn AirPriceFrom £279Free CancellationRating
0.0
Search Hahn Air flights
Turkmenistan AirlinesPriceFrom £296Free CancellationRating
0.0
0 reviews
Search Turkmenistan Airlines flights
China EasternPriceFrom £316Free CancellationRating
7.2
174 reviews
Search China Eastern flights
Air ChinaPriceFrom £351Free CancellationRating
7.1
119 reviews
Search Air China flights
SAUDIAPriceFrom £363Free CancellationRating
7.4
638 reviews
Search SAUDIA flights
Air IndiaPriceFrom £380Free CancellationRating
5.5
2,940 reviews
Search Air India flights
China SouthernPriceFrom £400Free CancellationRating
7.4
117 reviews
Search China Southern flights
Norse Atlantic UKPriceFrom £419Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
Gulf AirPriceFrom £432Free CancellationRating
7.2
217 reviews
Search Gulf Air flights
A.P.G.PriceFrom £476Free CancellationRating
0.0
Search A.P.G. flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Southeast Asia for you.

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

momondo does allow users to show only those flights to Southeast Asia from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Southeast Asia.

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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