Cheap flights from London Gatwick Airport to Southeast Asia from $548

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — BKK
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to Southeast Asia

Keep the following information in mind while searching for Gatwick to Southeast Asia flight deals. Data was last updated 16 January 2026.

Round-trip from

$809

One-way from

$548

Popular in

July

Cheapest in

May

Average price

$1,225
China Eastern
  • China Eastern
  • 27/4-9/5
  • 3 total stops
  • 48h 15m total
  • London to Southeast Asia
China Eastern
  • China Eastern
  • 17/5
  • 3 total stops
  • 48h 25m total
  • London to Southeast Asia
Highest demand for flights based on searches. 12% potential increase in price ($261 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($57 potential savings vs. average return price).
Average for round-trip flights in January 2026

Find flight deals from Gatwick to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to Southeast Asia
Explore the most affordable flight options available from Gatwick to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 January 2026.

Mon 27/418:05
LGW
-
BKK
2 stops25h 10m
China Eastern
Sat 9/513:35
BKK
-
LGW
1 stop23h 05m
China Eastern
Deal found 15/1$809
Mon 27/418:05
LGW
-
BKK
3 stops22h 10m
China Eastern
Wed 6/513:20
BKK
-
LGW
3 stops47h 20m
China Eastern
Deal found 15/1$817
Tue 10/320:20
LGW
-
BKK
2 stops32h 05m
China Southern
Mon 23/303:00
BKK
-
LGW
1 stop21h 20m
China Southern
Deal found 14/1$844
Sat 28/220:20
LGW
-
BKK
1 stop22h 30m
China Southern
Fri 20/303:00
BKK
-
LGW
1 stop21h 20m
China Southern
Deal found 14/1$868
Sat 28/220:20
LGW
-
BKK
1 stop22h 30m
China Southern
Sun 22/319:55
BKK
-
LGW
2 stops52h 25m
China Southern
Deal found 14/1$879
Tue 3/310:30
LGW
-
BKK
2 stops21h 25m
China Eastern
Wed 4/318:15
BKK
-
LGW
2 stops43h 15m
China Eastern
Deal found 15/1$883
Tue 3/310:30
LGW
-
BKK
2 stops21h 25m
China Eastern
Wed 4/302:20
BKK
-
LGW
2 stops35h 10m
China Eastern
Deal found 15/1$888
Mon 2/321:15
LGW
-
BKK
Nonstop11h 50m
British Airways
Wed 6/522:35
BKK
-
LGW
Nonstop13h 20m
British Airways
Deal found 15/1$898
Thu 12/321:15
LGW
-
BKK
Nonstop11h 50m
British Airways
Wed 13/522:35
BKK
-
LGW
Nonstop13h 20m
British Airways
Deal found 15/1$900
Tue 17/321:15
LGW
-
BKK
Nonstop11h 50m
British Airways
Fri 15/522:35
BKK
-
LGW
Nonstop13h 20m
British Airways
Deal found 14/1$901
Wed 11/317:00
LGW
-
HKT
1 stop22h 00m
China Eastern
Wed 25/300:05
HKT
-
LGW
1 stop20h 55m
China Eastern
Deal found 15/1$943
Wed 4/317:00
LGW
-
HKT
3 stops42h 15m
China Eastern
Tue 17/300:05
HKT
-
LGW
1 stop20h 55m
China Eastern
Deal found 15/1$953

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick 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, Cheapflights users made 647,157 searches. Data last updated 16 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

Gatwick

Fly to

Southeast Asia

Route

Depart

Return

Price

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 27/1

10:30-12:20

1 stop18h 50m

Bangkok Suvarnabhumi

Tue 3/3

00:55-14:00

1 stop20h 05m

$943

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 24/1

17:00-18:25

1 stop18h 25m

Bangkok Suvarnabhumi

Sun 1/2

19:05-06:30

1 stop18h 25m

$943

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 22/1

17:00-18:25

1 stop18h 25m

Bangkok Suvarnabhumi

Tue 3/3

01:55-14:00

1 stop19h 05m

$943

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 25/1

10:30-15:55

1 stop22h 25m

Bangkok Suvarnabhumi

Sun 1/2

19:05-06:30

1 stop18h 25m

$943

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 15/3

10:30-12:20

1 stop18h 50m

Bangkok Suvarnabhumi

Thu 2/4

16:50-06:40

1 stop19h 50m

$944

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 15/3

10:30-12:20

1 stop18h 50m

Bangkok Suvarnabhumi

Mon 30/3

02:10-15:00

1 stop18h 50m

$944

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 18/2

17:00-22:35

3 stops22h 35m

Bangkok Suvarnabhumi

Thu 5/3

10:45-06:30

1 stop26h 45m

$953

LondonDenpasar

LGW - DPS

LGWDPS

London Gatwick

Wed 3/6

18:35-00:10

2 stops22h 35m

Denpasar Bali Ngurah Rai

Thu 11/6

13:15-08:25

2 stops26h 10m

$1,024

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 13/3

21:15-16:05

Nonstop11h 50m

Bangkok Suvarnabhumi

Thu 26/3

08:15-05:55

1 stop28h 40m

$1,043

LondonKuala Lumpur

LGW - KUL

LGWKUL

London Gatwick

Thu 25/6

07:00-08:10

1 stop42h 10m

Kuala Lumpur Intl

Mon 13/7

09:50-22:25

1 stop19h 35m

$1,058

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 60 results
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Best time to book a flight from Gatwick to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Gatwick with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Southeast Asia

What is the cheapest month to book a flight from London Gatwick Airport to Southeast Asia?

Currently, May is the cheapest month in which you can book a flight from London Gatwick Airport to Southeast Asia (average of $670). Flying from London Gatwick Airport to Southeast Asia in July is currently the most expensive (average of $964). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LGW to YJX?

Find hourly flight availability from Gatwick to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 January 2026.

It’s optimal to fly from London Gatwick Airport to Southeast Asia in the afternoon. By choosing this option you can save up to 69% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from London Gatwick Airport to Southeast Asia

Explore weekly flight availability from Gatwick to Southeast Asia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 January 2026.

The most flights from LGW to zzYJX are scheduled on a Tuesday (3 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from London Gatwick Airport to Southeast Asia?

    A quick flight from London Gatwick Airport to Southeast Asia can take about 18h 50m. China Eastern provides one of the quickest options available for as low as $943. London Gatwick Airport and Southeast Asia are separated by a distance of 9563 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from London Gatwick Airport to Southeast Asia?

  • What are the most reliable airlines from London Gatwick Airport to Southeast Asia?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Gatwick Airport to Southeast Asia on time: Iberia (86%), British Airways (86%), Norse Atlantic UK (44%).

  • What are the cheapest flights from London Gatwick Airport to Southeast Asia?

    Looking for the cheapest flight from London Gatwick Airport to Southeast Asia? While on average our users pay $872, our data indicates the cheapest price to be $739. The most popular route (London Gatwick - Bangkok Suvarnabhumi), is priced around $1,660.

  • Can I find deals for flights from Gatwick to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Gatwick to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Southeast Asia.

  • Can I find deals for business class flights from Gatwick to Southeast Asia?

    Yes. Cheapflights offers flight deals from Gatwick to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Gatwick Airport to Southeast Asia?

    Currently, May is the cheapest month in which you can book a flight from London Gatwick Airport to Southeast Asia (average of $670). Flying from London Gatwick Airport to Southeast Asia in July is currently the most expensive (average of $964). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Gatwick to Southeast Asia

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Why should you use Cheapflights to find cheap flight tickets from Gatwick to Southeast Asia?

Cheapflights simply makes it quick and affordable to book flights from Gatwick to Southeast Asia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Gatwick to Southeast Asia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Gatwick to Southeast Asia, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Gatwick to Southeast Asia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Southeast Asia from Gatwick today and book when prices fit your budget.

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