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Cheap flights from London Gatwick Airport to Southeast Asia from $578

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — BKK
25 Jul — 1 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 25 June 2026.

Sat 31/1010:30
LGW
-
BKK
1 stop18h 50m
China Eastern
Wed 25/1113:35
BKK
-
LGW
1 stop23h 55m
China Eastern
Deal found 20/6$901
Sat 31/1010:30
LGW
-
BKK
1 stop18h 50m
China Eastern
Sun 15/1101:55
BKK
-
LGW
1 stop19h 05m
China Eastern
Deal found 22/6$903
Sun 13/917:55
LGW
-
BKK
1 stop21h 00m
China Eastern
Sat 3/1021:55
BKK
-
LGW
1 stop27h 20m
China Eastern
Deal found 23/6$904
Tue 10/1110:30
LGW
-
BKK
1 stop31h 25m
China Eastern
Thu 12/1121:05
BKK
-
LGW
2 stops40h 25m
China Eastern
Deal found 21/6$906
Tue 30/610:20
LGW
-
BKK
1 stop20h 15m
Condor
Wed 15/722:35
BKK
-
LGW
1 stop22h 10m
Condor
Deal found 23/6$909
Sat 27/615:40
LGW
-
BKK
1 stop14h 55m
Condor
Tue 21/722:35
BKK
-
LGW
1 stop22h 05m
Condor
Deal found 23/6$910
Tue 1/1210:30
LGW
-
BKK
1 stop18h 50m
China Eastern
Sat 12/1221:05
BKK
-
LGW
2 stops40h 25m
China Eastern
Deal found 22/6$913
Thu 3/1210:30
LGW
-
BKK
1 stop31h 25m
China Eastern
Mon 25/121:05
BKK
-
LGW
2 stops40h 25m
China Eastern
Deal found 23/6$914
Thu 29/1011:05
LGW
-
BKK
1 stop31h 25m
Air China
Sun 8/1119:30
BKK
-
LGW
1 stop17h 10m
Air China
Deal found 20/6$916
Fri 2/1022:00
LGW
-
BKK
1 stop32h 30m
China Eastern
Sun 1/1101:55
BKK
-
LGW
1 stop19h 05m
China Eastern
Deal found 24/6$920
Fri 2/1022:00
LGW
-
BKK
1 stop20h 40m
China Eastern
Sat 17/1019:10
BKK
-
LGW
1 stop25h 50m
China Eastern
Deal found 22/6$922
Mon 21/922:00
LGW
-
HKT
1 stop18h 45m
China Eastern
Thu 1/1022:35
HKT
-
LGW
1 stop38h 05m
China Eastern
Deal found 24/6$1,062

Find 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 25 June 2026.

Round-trip from

$901

One-way from

$578

Popular in

December

Cheapest in

September

Average price

$1,072
China Eastern
  • China Eastern
  • 31/10-15/11
  • 2 total stops
  • 62h 50m total
  • London to Southeast Asia
Search Deals
China Eastern
  • China Eastern
  • 22/9
  • 3 total stops
  • 31h 50m total
  • London to Southeast Asia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($118 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($54 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 25 June 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

Cheapest return flight

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 20/11

10:30-12:20

1 stop18h 50m

Bangkok Suvarnabhumi

Sun 22/11

15:55-14:00

2 stops29h 05m

$926

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 25/11

10:30-12:20

1 stop18h 50m

Bangkok Suvarnabhumi

Mon 7/12

15:55-14:00

2 stops53h 05m

$929

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 29/11

10:30-12:20

1 stop18h 50m

Bangkok Suvarnabhumi

Tue 1/12

13:35-14:00

1 stop31h 25m

$1,000

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Mon 16/11

10:30-19:35

3 stops26h 05m

Phuket City

Fri 20/11

20:50-06:30

3 stops40h 40m

$1,116

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Fri 4/12

17:00-19:35

3 stops43h 35m

Phuket City

Tue 22/12

20:50-06:30

3 stops40h 40m

$1,116

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Thu 29/10

08:40-07:50

1 stop16h 10m

Phuket City

Wed 4/11

20:30-05:55

1 stop16h 25m

$1,132

LondonPhuket City

LGW - HKT

LGWHKT

London Gatwick

Sat 12/9

09:00-07:45

1 stop16h 45m

Phuket City

Mon 28/9

09:20-06:40

1 stop27h 20m

$1,184

LondonKuala Lumpur

LGW - KUL

LGWKUL

London Gatwick

Tue 1/12

10:30-14:45

3 stops44h 15m

Kuala Lumpur Intl

Mon 21/12

15:45-06:30

2 stops46h 45m

$1,217

LondonKuala Lumpur

LGW - KUL

LGWKUL

London Gatwick

Mon 30/11

10:30-14:45

3 stops44h 15m

Kuala Lumpur Intl

Thu 24/12

15:45-14:00

2 stops30h 15m

$1,217

LondonKuala Lumpur

LGW - KUL

LGWKUL

London Gatwick

Wed 2/12

10:30-01:05

2 stops30h 35m

Kuala Lumpur Intl

Thu 24/12

15:45-14:00

2 stops30h 15m

$1,220

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $1,274). Flying from London Gatwick Airport to Southeast Asia in December is currently the most expensive (average of $2,361). 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 25 June 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 43% on the cost of your flight, compared to a flight at midday.

How far ahead should I book a flight from London Gatwick Airport to Southeast Asia?

The best time to book flights from London Gatwick Airport to Southeast Asia is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 16h 10m. China Eastern provides one of the quickest options available for as low as $1,132. London Gatwick Airport and Southeast Asia are separated by a distance of 9885 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?

    The most popular route from London Gatwick Airport to Southeast Asia is London Gatwick - Bangkok Suvarnabhumi. You may also consider London Gatwick - Kuala Lumpur Intl or London Gatwick - Denpasar Bali Ngurah Rai.

  • 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: Norse Atlantic UK (100%), Iberia (92%), British Airways (92%).

  • 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 $1,560, our data indicates the cheapest price to be $505. The most popular route (London Gatwick - Bangkok Suvarnabhumi), is priced around $1,138.

  • 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 $1,274). Flying from London Gatwick Airport to Southeast Asia in December is currently the most expensive (average of $2,361). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Gatwick to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Heathrow to Singapore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Gatwick to Southeast Asia?

Cheapflights helps you search for flights from Gatwick to Southeast Asia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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