How many flights depart from London to Southeast Asia on average per week?

The number of flights available between London and Southeast Asia is 331 per week as of August 2026. The most frequent departure day is Thu, with 15% of weekly flights leaving on this day.

What is the cheapest airline that flies from London to Southeast Asia?

Shenzhen Airlines, Oman Air, and Gulf Air are the most popular carriers operating from London to Southeast Asia

How many flights depart from London to Southeast Asia on average per day?

47 flights are operational daily from London to Southeast Asia as of August 2026. The most popular departure time for this route is 22:00, with 59% of flights per day taking off in the evening.

When did momondo last update prices for flights from London to Southeast Asia?

Prices for flights from London to Southeast Asia refresh daily.

How many operators does momondo search for flights from London to Southeast Asia?

As of August 2026, there are 2 operators available to choose from for flights from London to Southeast Asia.

How old do you have to be to fly from London 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 to Southeast Asia.

What documentation or ID do you need to fly to Southeast Asia?

The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

€306 Cheap Flights from London to Southeast Asia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Southeast Asia

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

21:35 - 16:40LHR London Heathrow-BKK Bangkok Suvarnabhumi

36h 05m1 stop Chengdu Tianfu Intl

19:30 - 15:55BKK Bangkok Suvarnabhumi-LHR London Heathrow

27h 25m1 stop Beijing Capital

€519Air China

Sat, 28 Nov - Fri, 26 Feb

17:40 - 00:10LHR London Heathrow-BKK Bangkok Suvarnabhumi

23h 30m1 stop Beijing Capital

19:30 - 17:50BKK Bangkok Suvarnabhumi-LHR London Heathrow

29h 20m1 stop Beijing Capital

€519Air China

Wed, 2 Dec - Fri, 26 Feb

21:35 - 12:30LHR London Heathrow-BKK Bangkok Suvarnabhumi

31h 55m1 stop Chengdu Tianfu Intl

19:30 - 15:55BKK Bangkok Suvarnabhumi-LHR London Heathrow

27h 25m1 stop Beijing Capital

€519Air China

Thu, 3 Dec - Sat, 27 Feb

17:40 - 00:10LHR London Heathrow-BKK Bangkok Suvarnabhumi

23h 30m1 stop Beijing Capital

15:15 - 15:55BKK Bangkok Suvarnabhumi-LHR London Heathrow

31h 40m1 stop Beijing Capital

€519Air China

Mon, 30 Nov - Sat, 27 Feb

21:10 - 01:40LHR London Heathrow-MNL Manila Ninoy Aquino Intl

20h 30m1 stop Shenzhen

02:55 - 19:10MNL Manila Ninoy Aquino Intl-LHR London Heathrow

24h 15m1 stop Shenzhen

€533Shenzhen Airlines

Sun, 25 Oct - Tue, 10 Nov

21:10 - 01:40LHR London Heathrow-MNL Manila Ninoy Aquino Intl

20h 30m1 stop Shenzhen

02:55 - 19:10MNL Manila Ninoy Aquino Intl-LHR London Heathrow

24h 15m1 stop Shenzhen

€533Shenzhen Airlines

Sun, 25 Oct - Thu, 12 Nov

22:00 - 01:40LHR London Heathrow-MNL Manila Ninoy Aquino Intl

20h 40m1 stop Shenzhen

02:55 - 19:10MNL Manila Ninoy Aquino Intl-LHR London Heathrow

24h 15m1 stop Shenzhen

€533Shenzhen Airlines

Tue, 20 Oct - Thu, 12 Nov

18:40 - 22:55LHR London Heathrow-MNL Manila Ninoy Aquino Intl

21h 15m2 stops Zurich Hong Kong Intl

17:40 - 07:55MNL Manila Ninoy Aquino Intl-LHR London Heathrow

21h 15m2 stops Hong Kong Intl Zurich

€682SWISS

Tue, 22 Sep - Wed, 21 Oct

18:40 - 22:55LHR London Heathrow-MNL Manila Ninoy Aquino Intl

21h 15m2 stops Zurich Hong Kong Intl

17:40 - 07:55MNL Manila Ninoy Aquino Intl-LHR London Heathrow

21h 15m2 stops Hong Kong Intl Zurich

€686SWISS

Tue, 22 Sep - Wed, 21 Oct

18:40 - 22:55LHR London Heathrow-MNL Manila Ninoy Aquino Intl

21h 15m2 stops Zurich Hong Kong Intl

17:40 - 07:55MNL Manila Ninoy Aquino Intl-LHR London Heathrow

21h 15m2 stops Hong Kong Intl Zurich

€690SWISS

Tue, 22 Sep - Wed, 21 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

21:20 - 20:55LHR London Heathrow-BKK Bangkok Suvarnabhumi

17h 35m1 stop Shanghai Pu Dong

03:15 - 18:40BKK Bangkok Suvarnabhumi-LHR London Heathrow

21h 25m1 stop Shanghai Pu Dong

€564China Eastern

Mon, 24 Aug - Tue, 8 Sep

21:20 - 01:10LHR London Heathrow-BKK Bangkok Suvarnabhumi

21h 50m2 stops Shanghai Pu Dong Nanjing Lukou Intl

02:10 - 18:40BKK Bangkok Suvarnabhumi-LHR London Heathrow

22h 30m1 stop Shanghai Pu Dong

€576China Eastern

Mon, 24 Aug - Tue, 8 Sep

22:40 - 00:10LHR London Heathrow-BKK Bangkok Suvarnabhumi

19h 30m1 stop Beijing Capital

19:35 - 20:25BKK Bangkok Suvarnabhumi-LHR London Heathrow

30h 50m1 stop Beijing Capital

€585Air China

Mon, 24 Aug - Wed, 9 Sep

08:25 - 06:50LHR London Heathrow-BKK Bangkok Suvarnabhumi

16h 25m1 stop Muscat Seeb

19:10 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

30h 00m1 stop Muscat Seeb

€602Oman Air

Mon, 24 Aug - Wed, 9 Sep

20:50 - 06:55LHR London Heathrow-BKK Bangkok Suvarnabhumi

28h 05m1 stop Muscat Seeb

19:10 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

30h 00m1 stop Muscat Seeb

€602Oman Air

Mon, 24 Aug - Wed, 9 Sep

08:25 - 17:45LHR London Heathrow-BKK Bangkok Suvarnabhumi

27h 20m1 stop Muscat Seeb

19:10 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

30h 00m1 stop Muscat Seeb

€602Oman Air

Sat, 22 Aug - Wed, 9 Sep

20:50 - 06:55LHR London Heathrow-BKK Bangkok Suvarnabhumi

28h 05m1 stop Muscat Seeb

09:00 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

16h 10m1 stop Muscat Seeb

€602Oman Air

Sat, 22 Aug - Mon, 7 Sep

08:25 - 17:45LHR London Heathrow-BKK Bangkok Suvarnabhumi

27h 20m1 stop Muscat Seeb

19:10 - 19:10BKK Bangkok Suvarnabhumi-LHR London Heathrow

30h 00m1 stop Muscat Seeb

€602Oman Air

Sat, 22 Aug - Wed, 9 Sep

20:05 - 22:55LHR London Heathrow-MNL Manila Ninoy Aquino Intl

43h 50m2 stops Zurich Hong Kong Intl

17:40 - 13:40MNL Manila Ninoy Aquino Intl-LHR London Heathrow

27h 00m3 stops Hong Kong Intl Zurich Geneva Geneve-Cointrin

€802SWISS

Mon, 24 Aug - Thu, 8 Oct

20:05 - 22:55LHR London Heathrow-MNL Manila Ninoy Aquino Intl

43h 50m2 stops Zurich Hong Kong Intl

17:40 - 07:55MNL Manila Ninoy Aquino Intl-LHR London Heathrow

21h 15m2 stops Hong Kong Intl Zurich

€1,147SWISS

Mon, 24 Aug - Tue, 8 Sep

Cheap direct flights

Enter your travel dates to find the best prices.

13:05 - 10:05LGW London Gatwick-SIN Singapore Changi

13h 00mdirect

02:35 - 09:05SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€769Singapore Airlines

Mon, 26 Oct - Sun, 8 Nov

13:05 - 10:05LGW London Gatwick-SIN Singapore Changi

13h 00mdirect

02:35 - 09:05SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€773Singapore Airlines

Mon, 16 Nov - Mon, 30 Nov

13:05 - 10:05LGW London Gatwick-SIN Singapore Changi

13h 00mdirect

02:35 - 09:05SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€777Singapore Airlines

Thu, 29 Oct - Wed, 4 Nov

09:20 - 06:15LGW London Gatwick-SIN Singapore Changi

12h 55mdirect

02:35 - 09:05SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€781Singapore Airlines

Mon, 23 Nov - Sun, 29 Nov

13:05 - 10:05LGW London Gatwick-SIN Singapore Changi

13h 00mdirect

02:35 - 09:05SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€783Singapore Airlines

Thu, 29 Oct - Wed, 4 Nov

09:20 - 06:15LGW London Gatwick-SIN Singapore Changi

12h 55mdirect

02:35 - 09:05SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€799Singapore Airlines

Mon, 23 Nov - Sun, 29 Nov

13:05 - 10:05LGW London Gatwick-SIN Singapore Changi

13h 00mdirect

02:35 - 09:05SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€801Singapore Airlines

Fri, 20 Nov - Sat, 28 Nov

13:15 - 09:35LGW London Gatwick-SIN Singapore Changi

13h 20mdirect

02:30 - 09:30SIN Singapore Changi-LGW London Gatwick

14h 00mdirect

€838Singapore Airlines

Tue, 15 Sep - Mon, 28 Sep

13:05 - 10:05LGW London Gatwick-SIN Singapore Changi

13h 00mdirect

02:35 - 09:05SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€840Singapore Airlines

Tue, 1 Dec - Wed, 9 Dec

13:05 - 10:05LGW London Gatwick-SIN Singapore Changi

13h 00mdirect

23:55 - 06:25SIN Singapore Changi-LGW London Gatwick

14h 30mdirect

€859Singapore Airlines

Thu, 19 Nov - Sun, 29 Nov

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Shenzhen Airlines flights from London to Southeast Asia

Our best Shenzhen Airlines deals on London to Southeast Asia flight tickets

Shenzhen Airlines

25 Oct

LHR21:10London Heathrow

20h 30m

1 stop

MNL01:40Manila Ninoy Aquino Intl

10 Nov

MNL02:55Manila Ninoy Aquino Intl

24h 15m

1 stop

LHR19:10London Heathrow

€533

Shenzhen Airlines

4 Sept

LHR22:05London Heathrow

20h 35m

1 stop

MNL01:40Manila Ninoy Aquino Intl

28 Sept

MNL02:55Manila Ninoy Aquino Intl

23h 55m

1 stop

LHR19:50London Heathrow

€534

Shenzhen Airlines

26 Oct

LHR21:10London Heathrow

21h 10m

1 stop

BKK01:20Bangkok Suvarnabhumi

12 Nov

BKK02:20Bangkok Suvarnabhumi

23h 50m

1 stop

LHR19:10London Heathrow

€539

Oman Air flights from London to Southeast Asia

Our best Oman Air deals on London to Southeast Asia flight tickets

Oman Air

14 Sept

LHR20:50London Heathrow

14h 55m

1 stop

BKK17:45Bangkok Suvarnabhumi

24 Sept

BKK09:00Bangkok Suvarnabhumi

27h 30m

1 stop

LHR06:30London Heathrow

€602

Oman Air

5 Sept

LHR08:25London Heathrow

16h 30m

1 stop

BKK06:55Bangkok Suvarnabhumi

21 Sept

BKK19:10Bangkok Suvarnabhumi

30h 00m

1 stop

LHR19:10London Heathrow

€603

Oman Air

29 Aug

LHR20:50London Heathrow

14h 55m

1 stop

BKK17:45Bangkok Suvarnabhumi

13 Sept

BKK09:00Bangkok Suvarnabhumi

16h 10m

1 stop

LHR19:10London Heathrow

€604

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Sat 28/11

21:35-16:40

1 stop36h 05m

Bangkok Suvarnabhumi

Fri 26/2

19:30-15:55

1 stop27h 25m

€519

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Wed 2/12

17:40-00:10

1 stop23h 30m

Bangkok Suvarnabhumi

Fri 26/2

19:30-17:50

1 stop29h 20m

€519

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Thu 3/12

21:35-12:30

1 stop31h 55m

Bangkok Suvarnabhumi

Sat 27/2

19:30-15:55

1 stop27h 25m

€519

LondonBangkok

LHR London Heathrow - BKK Bangkok Suvarnabhumi

LHRBKK

London Heathrow

Mon 30/11

17:40-00:10

1 stop23h 30m

Bangkok Suvarnabhumi

Sat 27/2

15:15-15:55

1 stop31h 40m

€519

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Sun 25/10

21:10-01:40

1 stop20h 30m

Manila Ninoy Aquino Intl

Tue 10/11

02:55-19:10

1 stop24h 15m

€533

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Sun 25/10

21:10-01:40

1 stop20h 30m

Manila Ninoy Aquino Intl

Thu 12/11

02:55-19:10

1 stop24h 15m

€533

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Tue 20/10

22:00-01:40

1 stop20h 40m

Manila Ninoy Aquino Intl

Thu 12/11

02:55-19:10

1 stop24h 15m

€533

Fastest return journey

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Tue 22/9

18:40-22:55

2 stops21h 15m

Manila Ninoy Aquino Intl

Wed 21/10

17:40-07:55

2 stops21h 15m

€682

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Tue 22/9

18:40-22:55

2 stops21h 15m

Manila Ninoy Aquino Intl

Wed 21/10

17:40-07:55

2 stops21h 15m

€686

LondonManila

LHR London Heathrow - MNL Manila Ninoy Aquino Intl

LHRMNL

London Heathrow

Tue 22/9

18:40-22:55

2 stops21h 15m

Manila Ninoy Aquino Intl

Wed 21/10

17:40-07:55

2 stops21h 15m

€690

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London 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

Prices

Airlines

Other information

What is the cheapest month to fly to Southeast Asia?

The cheapest month to fly to Southeast Asia from London is in November. Flight prices, which tend to average around €697, are often lower during this time because this is during the off-season. If you’re not able to fly to Southeast Asia in November, then September is your next best option. Flight prices from London to Southeast Asia during September average around €734.

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

The cheapest day to depart from London to Southeast Asia is on a Monday. Travellers who choose to depart for Southeast Asia on a Monday will often find tickets for as low as €860. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €1,508. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

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

Our most recent data shows that the best time of day to fly to Southeast Asia is in the evening. Flights from London to Southeast Asia during this time can be as low as €943. Flights to Southeast Asia are more costly in the morning, with an average ticket price of €1,250. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Southeast Asia flight route?

Fly from London Gatwick to Phuket City for the best London - Southeast Asia flight prices

How far in advance should I book a flight from London to Southeast Asia?

You are more likely to see cheaper flights to Southeast Asia from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around €809 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 for as low as €762 on momondo.

What cabin class options are available on London to Southeast Asia flights?

There are 3 cabin classes available to choose from on London 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 to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between London to Southeast Asia.

Cheap London to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Southeast Asia

Best price found	€306
Fastest flight time	11h 25m
Direct flights	Every day
Airports in Southeast Asia	294 airports

The best one-way flight to Southeast Asia from London in the past 72 hours is €306. The best return flight deal from London to Southeast Asia found on momondo in the last 72 hours is €519.

The fastest flight from London to Southeast Asia takes 11h 25m

Direct flights go from London to Southeast Asia every day.

There are 294 airports in Southeast Asia. From London there are direct flights to Bangkok Suvarnabhumi (BKK).

Search flight deals

Frequently asked questions about flying from London to Southeast Asia

When did momondo last update prices for flights from London to Southeast Asia?
Prices for flights from London to Southeast Asia refresh daily.
How many operators does momondo search for flights from London to Southeast Asia?
As of August 2026, there are 2 operators available to choose from for flights from London to Southeast Asia.
How old do you have to be to fly from London 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 to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Southeast Asia?
Based on momondo bookings for flights between London and Southeast Asia, the leading plane model is Boeing 787-9 Dreamliner, making up 20.11% of the total bookings. Other popular models include Boeing 777 with 13.53%, Airbus A350-1000 with 11.12%, and Boeing 787-8 Dreamliner with 7.73%.

Best airlines flying from London to Southeast Asia

Compare and see reviews for airlines that fly from London to Southeast Asia with momondo

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom €523	Free Cancellation	Rating 7.4 161 reviews		Search Air China flights
SWISS	PriceFrom €683	Free Cancellation	Rating 7.5 2,043 reviews		Search SWISS flights

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?

All flight searches from London to Southeast Asia on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Southeast Asia from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to Southeast Asia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.