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Cheap flights from London Gatwick Airport to Southeast Asia from £245

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 18/1. 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.
China Eastern Logo
10:30 - 01:45
LGW
-
HAN
32h 15m1 stop
China Eastern Logo
02:45 - 06:30
HAN
-
LGW
34h 45m1 stop
£362China Eastern
Wed, 18 Feb - Sat, 21 Mar
China Eastern Logo
10:30 - 01:45
LGW
-
HAN
32h 15m1 stop
China Eastern Logo
18:45 - 14:00
HAN
-
LGW
26h 15m1 stop
£363China Eastern
Wed, 14 Jan - Wed, 21 Jan
Air China Logo
11:05 - 11:15
LGW
-
HAN
17h 10m1 stop
Air China Logo
18:15 - 06:55
HAN
-
LGW
19h 40m1 stop
£369Air China
Wed, 14 Jan - Wed, 21 Jan
Air China Logo
12:35 - 00:40
LGW
-
SGN
30h 05m1 stop
Air China Logo
02:50 - 06:55
SGN
-
LGW
34h 05m2 stops
£440Air China
Mon, 1 Jun - Sat, 6 Jun
British Airways Logo
22:15 - 16:05
LGW
-
BKK
11h 50mdirect
British Airways Logo
22:35 - 05:55
BKK
-
LGW
13h 20mdirect
£441British Airways
Sat, 2 May - Sun, 24 May
British Airways Logo
22:15 - 16:05
LGW
-
BKK
11h 50mdirect
British Airways Logo
22:35 - 05:55
BKK
-
LGW
13h 20mdirect
£442British Airways
Thu, 30 Apr - Sun, 3 May
China Southern Logo
12:00 - 10:35
LGW
-
MNL
15h 35m1 stop
China Southern Logo
17:45 - 07:05
MNL
-
LGW
20h 20m1 stop
£470China Southern
Fri, 10 Apr - Thu, 7 May
Gulf Air Logo
10:35 - 12:30
LGW
-
SIN
17h 55m1 stop
Gulf Air Logo
20:00 - 06:20
SIN
-
LGW
18h 20m1 stop
£472Gulf Air
Wed, 4 Feb - Thu, 19 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
£473Gulf Air
Wed, 4 Feb - Thu, 19 Feb
China Southern Logo
12:00 - 10:35
LGW
-
MNL
15h 35m1 stop
China Southern Logo
08:20 - 07:05
MNL
-
LGW
29h 45m1 stop
£478China Southern
Fri, 8 May - Sun, 24 May

British Airways flights from London Gatwick Airport to Southeast Asia

Our best British Airways deals on London Gatwick Airport to Southeast Asia flight tickets
British Airways
2 May
LGW22:15London Gatwick
11h 50m
BKK16:05Bangkok Suvarnabhumi
24 May
BKK22:35Bangkok Suvarnabhumi
13h 20m
LGW05:55London Gatwick
£441
Find similar
British Airways
30 Apr
LGW22:15London Gatwick
11h 50m
BKK16:05Bangkok Suvarnabhumi
3 May
BKK22:35Bangkok Suvarnabhumi
13h 20m
LGW05:55London Gatwick
£442
Find similar
British Airways
23 May
LGW22:15London Gatwick
11h 50m
BKK16:05Bangkok Suvarnabhumi
29 May
BKK22:35Bangkok Suvarnabhumi
13h 20m
LGW05:55London Gatwick
£443
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
27 Jan
LGW20:20London Gatwick
22h 30m
1 stop
BKK01:50Bangkok Suvarnabhumi
5 Feb
BKK02:40Bangkok Suvarnabhumi
45h 40m
2 stops
LGW17:20London Gatwick
£448
Find similar
China Southern
27 Jan
LGW20:20London Gatwick
22h 30m
1 stop
BKK01:50Bangkok Suvarnabhumi
2 Mar
BKK15:45Bangkok Suvarnabhumi
32h 35m
2 stops
LGW17:20London Gatwick
£449
Find similar
China Southern
6 Jan
LGW20:20London Gatwick
32h 20m
2 stops
BKK11:40Bangkok Suvarnabhumi
30 Jan
BKK02:50Bangkok Suvarnabhumi
21h 30m
1 stop
LGW17:20London Gatwick
£455
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 18 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

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 18/2

10:30-01:45

1 stop32h 15m

Hanoi Noibai

Sat 21/3

02:45-06:30

1 stop34h 45m

£362

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 14/1

10:30-01:45

1 stop32h 15m

Hanoi Noibai

Wed 21/1

18:45-14:00

1 stop26h 15m

£363

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 14/1

11:05-11:15

1 stop17h 10m

Hanoi Noibai

Wed 21/1

18:15-06:55

1 stop19h 40m

£369

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Mon 1/6

12:35-00:40

1 stop30h 05m

Ho Chi Minh City

Sat 6/6

02:50-06:55

2 stops34h 05m

£440

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 2/5

22:15-16:05

Nonstop11h 50m

Bangkok Suvarnabhumi

Sun 24/5

22:35-05:55

Nonstop13h 20m

£441

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 30/4

22:15-16:05

Nonstop11h 50m

Bangkok Suvarnabhumi

Sun 3/5

22:35-05:55

Nonstop13h 20m

£442

LondonManila

LGW - MNL

LGWMNL

London Gatwick

Fri 10/4

12:00-10:35

1 stop15h 35m

Manila Ninoy Aquino Intl

Thu 7/5

17:45-07:05

1 stop20h 20m

£470

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Wed 4/2

10:35-12:30

1 stop17h 55m

Singapore Changi

Thu 19/2

20:00-06:20

1 stop18h 20m

£472

LondonSingapore

LGW - SIN

LGWSIN

London Gatwick

Wed 4/2

10:35-12:30

1 stop17h 55m

Singapore Changi

Thu 19/2

20:00-06:20

1 stop18h 20m

£473

LondonManila

LGW - MNL

LGWMNL

London Gatwick

Fri 8/5

12:00-10:35

1 stop15h 35m

Manila Ninoy Aquino Intl

Sun 24/5

08:20-07:05

1 stop29h 45m

£478

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 £544. If you are unable to visit Southeast Asia during the month of May, then departing from London Gatwick Airport during the month September is also very affordable. Most momondo users find prices during this month for around £551.

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 £572. 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 £755.

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 £571. 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 £787. 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 £649 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 £590 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.

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

Every day

Airports in Southeast Asia

295 airports
The fastest flight from London Gatwick Airport to Southeast Asia takes 11h 15m
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 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
Turkmenistan AirlinesPriceFrom £291Free CancellationRating
0.0
0 reviews
Search Turkmenistan Airlines flights
Air ChinaPriceFrom £343Free CancellationRating
7.1
129 reviews
Search Air China flights
SAUDIAPriceFrom £356Free CancellationRating
7.4
647 reviews
Search SAUDIA flights
Norse Atlantic UKPriceFrom £360Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
China SouthernPriceFrom £371Free CancellationRating
7.5
122 reviews
Search China Southern flights
Air IndiaPriceFrom £375Free CancellationRating
5.5
2,952 reviews
Search Air India flights
Gulf AirPriceFrom £419Free CancellationRating
7.2
227 reviews
Search Gulf Air flights
SWISSPriceFrom £436Free CancellationRating
7.5
1,817 reviews
Search SWISS flights
Hahn AirPriceFrom £439Free CancellationRating
0.0
Search Hahn Air flights
A.P.G.PriceFrom £482Free 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

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