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Cheap flights from London Gatwick Airport to Southeast Asia from $495

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 18/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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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
11:35 - 14:55
LGW
-
BKK
21h 20m
2 stops
China Eastern Logo
02:10 - 15:10
BKK
-
LGW
19h 00m
1 stop
$777China Eastern
Sat, 2 May - Sun, 17 May
China Eastern Logo
19:00 - 18:05
LGW
-
BKK
17h 05m
1 stop
China Eastern Logo
07:50 - 06:40
BKK
-
LGW
28h 50m
3 stops
$779China Eastern
Sun, 3 May - Mon, 18 May
China Eastern Logo
11:35 - 19:50
LGW
-
BKK
26h 15m
2 stops
China Eastern Logo
15:55 - 06:40
BKK
-
LGW
44h 45m
3 stops
$787China Eastern
Thu, 16 Apr - Sun, 3 May
China Eastern Logo
11:35 - 18:00
LGW
-
HKT
24h 25m
2 stops
China Eastern Logo
18:55 - 15:00
HKT
-
LGW
50h 05m
3 stops
$789China Eastern
Sun, 19 Apr - Sun, 10 May
China Eastern Logo
11:35 - 01:15
LGW
-
BKK
31h 40m
2 stops
China Eastern Logo
13:20 - 06:40
BKK
-
LGW
47h 20m
2 stops
$789China Eastern
Thu, 16 Apr - Sun, 3 May
China Eastern Logo
18:05 - 18:00
LGW
-
HKT
41h 55m
2 stops
China Eastern Logo
23:05 - 06:40
HKT
-
LGW
37h 35m
1 stop
$792China Eastern
Mon, 25 May - Wed, 27 May
China Eastern Logo
18:05 - 22:15
LGW
-
BKK
22h 10m
3 stops
China Eastern Logo
02:10 - 15:00
BKK
-
LGW
18h 50m
1 stop
$792China Eastern
Mon, 25 May - Tue, 26 May
China Eastern Logo
18:05 - 18:00
LGW
-
HKT
41h 55m
3 stops
China Eastern Logo
00:20 - 06:40
HKT
-
LGW
36h 20m
1 stop
$793China Eastern
Mon, 25 May - Wed, 27 May
China Eastern Logo
18:00 - 04:05
LGW
-
BKK
28h 05m
1 stop
China Eastern Logo
07:50 - 06:40
BKK
-
LGW
28h 50m
2 stops
$793China Eastern
Sat, 2 May - Mon, 4 May
China Southern Logo
20:20 - 01:50
LGW
-
BKK
22h 30m
1 stop
China Southern Logo
03:00 - 17:20
BKK
-
LGW
21h 20m
1 stop
$794China Southern
Sat, 7 Mar - Fri, 20 Mar

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
2 May
LGW11:35London Gatwick
21h 20m
2 stops
BKK14:55Bangkok Suvarnabhumi
17 May
BKK02:10Bangkok Suvarnabhumi
19h 00m
1 stop
LGW15:10London Gatwick
$777
China Eastern
3 May
LGW19:00London Gatwick
17h 05m
1 stop
BKK18:05Bangkok Suvarnabhumi
17 May
BKK07:50Bangkok Suvarnabhumi
28h 50m
3 stops
LGW06:40London Gatwick
$779
China Eastern
16 Apr
LGW11:35London Gatwick
26h 15m
2 stops
BKK19:50Bangkok Suvarnabhumi
3 May
BKK15:55Bangkok Suvarnabhumi
44h 45m
3 stops
LGW06:40London Gatwick
$787

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
18 Feb
LGW16:00London Gatwick
11h 25m
BKK10:25Bangkok Suvarnabhumi
18 Mar
BKK12:30Bangkok Suvarnabhumi
13h 00m
LGW18:30London Gatwick
$931
Norse Atlantic UK
4 Mar
LGW16:00London Gatwick
11h 25m
BKK10:25Bangkok Suvarnabhumi
19 Mar
BKK12:25Bangkok Suvarnabhumi
12h 55m
LGW18:20London Gatwick
$943
Norse Atlantic UK
15 Mar
LGW16:10London Gatwick
11h 15m
BKK10:25Bangkok Suvarnabhumi
1 Apr
BKK11:30Bangkok Suvarnabhumi
13h 00m
LGW18:30London Gatwick
$959

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 78,305 searches. Data last updated 30 January 2026.
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

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 2/5

11:35-14:55

2 stops21h 20m

Bangkok Suvarnabhumi

Sun 17/5

02:10-15:10

1 stop19h 00m

$777

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 3/5

19:00-18:05

1 stop17h 05m

Bangkok Suvarnabhumi

Mon 18/5

07:50-06:40

3 stops28h 50m

$779

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 16/4

11:35-19:50

2 stops26h 15m

Bangkok Suvarnabhumi

Sun 3/5

15:55-06:40

3 stops44h 45m

$787

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Sun 19/4

11:35-18:00

2 stops24h 25m

Phuket City

Sun 10/5

18:55-15:00

3 stops50h 05m

$789

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 16/4

11:35-01:15

2 stops31h 40m

Bangkok Suvarnabhumi

Sun 3/5

13:20-06:40

2 stops47h 20m

$789

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Mon 25/5

18:05-18:00

2 stops41h 55m

Phuket City

Wed 27/5

23:05-06:40

1 stop37h 35m

$792

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 25/5

18:05-22:15

3 stops22h 10m

Bangkok Suvarnabhumi

Tue 26/5

02:10-15:00

1 stop18h 50m

$792

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Mon 25/5

18:05-18:00

3 stops41h 55m

Phuket City

Wed 27/5

00:20-06:40

1 stop36h 20m

$793

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 2/5

18:00-04:05

1 stop28h 05m

Bangkok Suvarnabhumi

Mon 4/5

07:50-06:40

2 stops28h 50m

$793

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 7/3

20:20-01:50

1 stop22h 30m

Bangkok Suvarnabhumi

Fri 20/3

03:00-17:20

1 stop21h 20m

$794

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 November. Flight prices, which tend to average around $1,326, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Southeast Asia, with average flight prices from London Gatwick Airport averaging around $1,386.

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 $1,622 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 $1,399 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?

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

11h 50m

Direct flights

Mon, Wed, Thu, Sat and Sun

Airports in Southeast Asia

295 airports
The fastest flight from London Gatwick Airport to Southeast Asia takes 11h 50m
Direct flights go from London Gatwick Airport to Southeast Asia on Monday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
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 were last updated today.

  • 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 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 licence 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?

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?

Yes. momondo allows you to filter the results for London to Southeast Asia flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southeast Asia from London.

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

Price alerts on flights to Southeast Asia from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Southeast Asia trip

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