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Cheap flights from London Gatwick Airport to Southeast Asia from $544

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — BKK
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

$979

One-way from

$544

Popular in

December

Cheapest in

May

Average price

$1,548
China Eastern
  • China Eastern
  • 7/11-7/12
  • 3 total stops
  • 41h 15m total
  • London to Southeast Asia
Search Deals
19/9
  • 19/9
  • 3 total stops
  • 50h 00m total
  • London to Southeast Asia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($182 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($70 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Gatwick to Southeast Asia

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 29 August 2025.

Sun 26/1016:00LGW - BKK
Nonstop11h 25mNorse Atlantic UK
Thu 6/1112:30BKK - LGW
Nonstop13h 00mNorse Atlantic UK
Deal found 28/8$981
Tue 11/1116:00LGW - BKK
Nonstop11h 25mNorse Atlantic UK
Thu 11/1212:25BKK - LGW
Nonstop12h 55mNorse Atlantic UK
Deal found 27/8$986
Mon 27/1007:00LGW - BKK
3 stops23h 35mMultiple Airlines
Thu 30/1012:30BKK - LGW
Nonstop13h 00mMultiple Airlines
Deal found 27/8$992
Sun 26/1006:35LGW - BKK
2 stops20h 55mMultiple Airlines
Thu 30/1012:30BKK - LGW
Nonstop13h 00mMultiple Airlines
Deal found 27/8$995
Mon 27/1006:35LGW - BKK
2 stops20h 55mMultiple Airlines
Fri 31/1012:20BKK - LGW
1 stop27h 15mMultiple Airlines
Deal found 27/8$998
Tue 28/1016:00LGW - BKK
Nonstop11h 25mNorse Atlantic UK
Thu 30/1012:30BKK - LGW
Nonstop13h 00mNorse Atlantic UK
Deal found 27/8$1,002
Sun 26/1006:35LGW - BKK
2 stops20h 55mMultiple Airlines
Fri 31/1012:20BKK - LGW
1 stop27h 15mMultiple Airlines
Deal found 27/8$1,009
Tue 4/1116:00LGW - BKK
Nonstop11h 25mNorse Atlantic UK
Wed 19/1112:30BKK - LGW
Nonstop13h 00mNorse Atlantic UK
Deal found 28/8$1,018
Sun 14/915:00LGW - BKK
1 stop16h 45mSAUDIA
Fri 26/901:50BKK - LGW
1 stop17h 10mSAUDIA
Deal found 28/8$1,021
Sun 14/915:00LGW - BKK
1 stop16h 45mSAUDIA
Wed 24/901:50BKK - LGW
1 stop17h 10mSAUDIA
Deal found 27/8$1,022
Sun 2/1114:00LGW - BKK
1 stop16h 40mSAUDIA
Wed 19/1101:15BKK - LGW
1 stop17h 45mSAUDIA
Deal found 27/8$1,036
Tue 21/1019:55LGW - BKK
1 stop32h 40mMultiple Airlines
Wed 5/1112:30BKK - LGW
Nonstop13h 00mMultiple Airlines
Deal found 28/8$1,038

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 29 August 2025.
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

Sun 21/9

15:00-13:45

1 stop16h 45m

Bangkok Suvarnabhumi

Mon 29/9

01:50-13:00

1 stop17h 10m

$1,021

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 5/11

16:00-10:25

Nonstop11h 25m

Bangkok Suvarnabhumi

Wed 26/11

12:30-18:30

Nonstop13h 00m

$1,021

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 2/11

14:00-13:40

1 stop16h 40m

Bangkok Suvarnabhumi

Wed 12/11

01:15-12:00

1 stop17h 45m

$1,021

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 6/11

14:00-13:40

1 stop16h 40m

Bangkok Suvarnabhumi

Fri 14/11

01:15-12:00

1 stop17h 45m

$1,021

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Tue 4/11

14:00-13:40

1 stop16h 40m

Bangkok Suvarnabhumi

Sat 15/11

15:20-09:10

2 stops24h 50m

$1,022

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 5/10

15:00-13:45

1 stop16h 45m

Bangkok Suvarnabhumi

Sat 15/11

15:20-09:10

2 stops24h 50m

$1,022

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 2/11

14:00-13:40

1 stop16h 40m

Bangkok Suvarnabhumi

Mon 12/1

01:15-12:00

1 stop17h 45m

$1,036

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 2/11

14:00-13:40

1 stop16h 40m

Bangkok Suvarnabhumi

Wed 19/11

01:15-12:00

1 stop17h 45m

$1,036

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 14/11

15:15-07:10

1 stop32h 55m

Bangkok Suvarnabhumi

Wed 3/12

12:30-18:30

Nonstop13h 00m

$1,045

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 5/11

16:00-10:25

Nonstop11h 25m

Bangkok Suvarnabhumi

Thu 27/11

12:25-18:20

Nonstop12h 55m

$1,047

Flights are sorted by cheapest return flights first.

Deals found on 29/8

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, February is the cheapest month in which you can book a flight from London Gatwick Airport to Southeast Asia (average of $489). Flying from London Gatwick Airport to Southeast Asia in December is currently the most expensive (average of $911). 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 29 August 2025.

When flying from London Gatwick Airport to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 11h 25m. SAUDIA provides one of the quickest options available for as low as $1,021. 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 cheapest airlines to fly from London Gatwick Airport to Southeast Asia one-way?

    To fly one-way, consider booking your trip with Norse Atlantic UK, which is currently one of the cheapest options available, starting at $630. Air China flights start at $633 while deals on SAUDIA start at $636 one-way.

  • 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 - Phuket City or London Gatwick - Denpasar Bali Ngurah Rai.

  • 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, February is the cheapest month in which you can book a flight from London Gatwick Airport to Southeast Asia (average of $489). Flying from London Gatwick Airport to Southeast Asia in December is currently the most expensive (average of $911). 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
Heathrow to Singapore flights
Gatwick to Suvarnabhumi 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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