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Cheap flights from London Gatwick Airport to Southeast Asia from £247

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 27/9. 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

Air China Logo
11:05 - 16:40LGW-HAN
22h 35m1 stop
Air China Logo
18:15 - 06:55HAN-LGW
19h 40m1 stop
£381Air China
Find Deal
Thu, 29 Jan - Thu, 12 Feb
Air China Logo
11:05 - 11:15LGW-HAN
17h 10m1 stop
Air China Logo
18:15 - 06:55HAN-LGW
19h 40m1 stop
£381Air China
Find Deal
Wed, 25 Feb - Wed, 11 Mar
China Eastern Logo
10:30 - 16:00LGW-SGN
46h 30m2 stops
China Eastern Logo
16:55 - 06:30SGN-LGW
44h 35m2 stops
£410China Eastern
Find Deal
Thu, 13 Nov - Sun, 23 Nov
China Eastern Logo
10:30 - 14:10LGW-HAN
20h 40m1 stop
China Eastern Logo
02:45 - 06:30HAN-LGW
34h 45m1 stop
£410China Eastern
Find Deal
Sun, 16 Nov - Tue, 25 Nov
SAUDIA Logo
14:00 - 13:45LGW-HKT
16h 45m1 stop
SAUDIA Logo
23:55 - 12:00HKT-LGW
19h 05m1 stop
£471SAUDIA
Find Deal
Tue, 4 Nov - Mon, 10 Nov
SAUDIA Logo
14:00 - 13:45LGW-HKT
16h 45m1 stop
SAUDIA Logo
23:55 - 12:00HKT-LGW
19h 05m1 stop
£487SAUDIA
Find Deal
Thu, 30 Oct - Wed, 5 Nov
Qatar Airways Logo
09:00 - 10:30LGW-USM
19h 30m2 stops
Qatar Airways Logo
19:00 - 06:40USM-LGW
41h 40m2 stops
£807Qatar Airways
Find Deal
Sun, 28 Sep - Fri, 17 Oct
Singapore Airlines Logo
09:20 - 11:00LGW-USM
18h 40m1 stop
Singapore Airlines Logo
19:45 - 06:25USM-LGW
17h 40m1 stop
£820Singapore Airlines
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Qatar Airways Logo
14:55 - 10:30LGW-USM
37h 35m2 stops
Qatar Airways Logo
17:40 - 05:55USM-LGW
19h 15m2 stops
£823Qatar Airways
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Tue, 7 Oct - Tue, 25 Nov
Singapore Airlines Logo
09:20 - 11:00LGW-USM
18h 40m1 stop
Singapore Airlines Logo
19:45 - 06:25USM-LGW
17h 40m1 stop
£847Singapore Airlines
Find Deal
Sun, 9 Nov - Sun, 23 Nov

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
11 Nov
LGW16:00London Gatwick
11h 25m
BKK10:25Bangkok Suvarnabhumi
11 Dec
BKK12:25Bangkok Suvarnabhumi
12h 55m
LGW18:20London Gatwick
£450
Find similar
Norse Atlantic UK
5 Nov
LGW16:00London Gatwick
11h 25m
BKK10:25Bangkok Suvarnabhumi
17 Dec
BKK12:30Bangkok Suvarnabhumi
13h 00m
LGW18:30London Gatwick
£458
Find similar
Norse Atlantic UK
26 Oct
LGW16:00London Gatwick
11h 25m
BKK10:25Bangkok Suvarnabhumi
6 Nov
BKK12:30Bangkok Suvarnabhumi
13h 00m
LGW18:30London Gatwick
£464
Find similar

Qatar Airways flights from London Gatwick Airport to Southeast Asia

Our best Qatar Airways deals on London Gatwick Airport to Southeast Asia flight tickets
Qatar Airways
22 Sept
LGW14:55London Gatwick
16h 30m
1 stop
BKK13:25Bangkok Suvarnabhumi
29 Sept
BKK20:00Bangkok Suvarnabhumi
23h 25m
1 stop
LGW13:25London Gatwick
£484
Find similar
Qatar Airways
23 Sept
LGW14:55London Gatwick
16h 00m
1 stop
BKK12:55Bangkok Suvarnabhumi
7 Oct
BKK21:05Bangkok Suvarnabhumi
15h 35m
1 stop
LGW06:40London Gatwick
£485
Find similar
Qatar Airways
25 Sept
LGW09:00London Gatwick
15h 55m
1 stop
BKK06:55Bangkok Suvarnabhumi
6 Oct
BKK21:05Bangkok Suvarnabhumi
22h 20m
1 stop
LGW13:25London Gatwick
£485
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 17 September 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

Thu 29/1

11:05-16:40

1 stop22h 35m

Hanoi Noibai

Thu 12/2

18:15-06:55

1 stop19h 40m

£381

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 25/2

11:05-11:15

1 stop17h 10m

Hanoi Noibai

Wed 11/3

18:15-06:55

1 stop19h 40m

£381

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Thu 13/11

10:30-16:00

2 stops46h 30m

Ho Chi Minh City

Sun 23/11

16:55-06:30

2 stops44h 35m

£410

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Sun 16/11

10:30-14:10

1 stop20h 40m

Hanoi Noibai

Tue 25/11

02:45-06:30

1 stop34h 45m

£410

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Tue 4/11

14:00-13:45

1 stop16h 45m

Phuket City

Mon 10/11

23:55-12:00

1 stop19h 05m

£471

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Thu 30/10

14:00-13:45

1 stop16h 45m

Phuket City

Wed 5/11

23:55-12:00

1 stop19h 05m

£487

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sun 28/9

09:00-10:30

2 stops19h 30m

Ko Samui

Fri 17/10

19:00-06:40

2 stops41h 40m

£807

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Mon 17/11

09:20-11:00

1 stop18h 40m

Ko Samui

Mon 24/11

19:45-06:25

1 stop17h 40m

£820

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Tue 7/10

14:55-10:30

2 stops37h 35m

Ko Samui

Tue 25/11

17:40-05:55

2 stops19h 15m

£823

LondonKo Samui

LGW - USM

LGWUSM

London Gatwick

Sun 9/11

09:20-11:00

1 stop18h 40m

Ko Samui

Sun 23/11

19:45-06:25

1 stop17h 40m

£847

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 month of May is, on average, the cheapest month to fly to Southeast Asia from London Gatwick Airport, with most prices found around £535. 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 £547.

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

Our data shows that Sunday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as £569. 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 £767.

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 £553. 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 evening because they tend to be around £733. 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 £657 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 £584 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 25m

Direct flights

Mon, Tue, Wed and Thu

Airports in Southeast Asia

1 airport
The fastest flight from London Gatwick Airport to Southeast Asia takes 11h 25m
Direct flights go from London Gatwick Airport to Southeast Asia on Monday, Tuesday, Wednesday and Thursday. 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
Turkmenistan AirlinesPriceFrom £286Free CancellationRating
10.0
2 reviews
Search Turkmenistan Airlines flights
China EasternPriceFrom £304Free CancellationRating
7.2
166 reviews
Search China Eastern flights
Air ChinaPriceFrom £341Free CancellationRating
7.3
101 reviews
Search Air China flights
SAUDIAPriceFrom £354Free CancellationRating
7.4
634 reviews
Search SAUDIA flights
China SouthernPriceFrom £357Free CancellationRating
7.5
110 reviews
Search China Southern flights
Norse Atlantic UKPriceFrom £402Free CancellationRating
7.1
49 reviews
Search Norse Atlantic UK flights
Gulf AirPriceFrom £418Free CancellationRating
7.1
209 reviews
Search Gulf Air flights
Air IndiaPriceFrom £429Free CancellationRating
5.5
2,930 reviews
Search Air India flights
Hahn AirPriceFrom £437Free CancellationRating
2.5
4 reviews
Search Hahn Air flights
A.P.G.PriceFrom £460Free 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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