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

The number of flights available between London and Southeast Asia is 7 per day as of May 2026. The most frequent departure time is 10:00p.m., with 64% of daily flights leaving in the evening.

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

China Eastern, Etihad Airways, 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 week?

As of May 2026, there are 55 flights per week flying from London to Southeast Asia. The most common day of the week flights depart is Tue, with 16% of flights taking off on this day.

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

Prices for flights from London to Southeast Asia are refreshed on a daily basis.

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 necessary travel and health documents for your Southeast Asia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 524 Cheap Flights from London to Southeast Asia in 2026

1 adult

Find the cheapest flights from London to Southeast Asia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:35 a.m. - 12:30 p.m.

LGW

BKK

18h 55m

1 stop

1:35 p.m. - 2:00 p.m.

BKK

LGW

31h 25m

1 stop

C$ 803China Eastern

Mon, 7 Sep - Thu, 26 Nov

11:35 a.m. - 12:40 a.m.

LGW

BKK

31h 05m

1 stop

4:50 p.m. - 3:00 p.m.

BKK

LGW

28h 10m

1 stop

C$ 805China Eastern

Sun, 20 Sep - Mon, 12 Oct

10:00 a.m. - 1:45 p.m.

LHR

BKK

21h 45m

1 stop

3:25 p.m. - 7:30 a.m.

BKK

LHR

22h 05m

1 stop

C$ 814SAUDIA

Sat, 6 Jun - Sun, 14 Jun

4:15 p.m. - 1:45 p.m.

LHR

BKK

15h 30m

1 stop

3:25 p.m. - 7:30 a.m.

BKK

LHR

22h 05m

1 stop

C$ 816SAUDIA

Sat, 6 Jun - Thu, 18 Jun

10:20 a.m. - 12:35 p.m.

LGW

BKK

20h 15m

1 stop

10:35 p.m. - 2:45 p.m.

BKK

LGW

22h 10m

1 stop

C$ 827Condor

Wed, 13 May - Wed, 17 Jun

3:40 p.m. - 12:35 p.m.

LGW

BKK

14h 55m

1 stop

10:35 p.m. - 2:45 p.m.

BKK

LGW

22h 10m

1 stop

C$ 857Condor

Thu, 21 May - Wed, 17 Jun

10:05 p.m. - 1:40 a.m.

LHR

MNL

20h 35m

1 stop

2:55 a.m. - 8:00 p.m.

MNL

LHR

24h 05m

1 stop

C$ 930Shenzhen Airlines

Fri, 11 Sep - Thu, 8 Oct

10:05 p.m. - 1:40 a.m.

LHR

MNL

20h 35m

1 stop

2:55 a.m. - 8:00 p.m.

MNL

LHR

24h 05m

1 stop

C$ 933Shenzhen Airlines

Wed, 20 May - Thu, 4 Jun

2:45 p.m. - 11:55 p.m.

LHR

HKT

27h 10m

1 stop

3:20 a.m. - 12:45 p.m.

HKT

LHR

15h 25m

1 stop

C$ 990Etihad Airways

Fri, 29 May - Mon, 8 Jun

2:45 p.m. - 11:55 p.m.

LHR

HKT

27h 10m

1 stop

2:25 a.m. - 3:05 p.m.

HKT

LHR

18h 40m

1 stop

C$ 993Etihad Airways

Wed, 3 Jun - Thu, 18 Jun

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SAUDIA flights from London to Southeast Asia

Our best SAUDIA deals on London to Southeast Asia flight tickets

SAUDIA

6 Jun

LHR4:15 p.m.London Heathrow

15h 30m

1 stop

BKK1:45 p.m.Bangkok Suvarnabhumi

9 Jun

BKK3:25 p.m.Bangkok Suvarnabhumi

22h 05m

1 stop

LHR7:30 a.m.London Heathrow

C$ 814

SAUDIA

6 Jun

LHR4:15 p.m.London Heathrow

15h 30m

1 stop

BKK1:45 p.m.Bangkok Suvarnabhumi

18 Jun

BKK3:25 p.m.Bangkok Suvarnabhumi

22h 05m

1 stop

LHR7:30 a.m.London Heathrow

C$ 816

SAUDIA

12 Jun

LHR4:15 p.m.London Heathrow

15h 30m

1 stop

BKK1:45 p.m.Bangkok Suvarnabhumi

18 Jun

BKK3:25 p.m.Bangkok Suvarnabhumi

22h 05m

1 stop

LHR7:30 a.m.London Heathrow

C$ 817

Condor flights from London to Southeast Asia

Our best Condor deals on London to Southeast Asia flight tickets

Condor

13 May

LGW10:20 a.m.London Gatwick

20h 15m

1 stop

BKK12:35 p.m.Bangkok Suvarnabhumi

17 Jun

BKK10:35 p.m.Bangkok Suvarnabhumi

22h 10m

1 stop

LGW2:45 p.m.London Gatwick

C$ 827

Condor

21 May

LGW3:40 p.m.London Gatwick

14h 55m

1 stop

BKK12:35 p.m.Bangkok Suvarnabhumi

17 Jun

BKK10:35 p.m.Bangkok Suvarnabhumi

22h 10m

1 stop

LGW2:45 p.m.London Gatwick

C$ 857

Condor

10 Jun

LGW10:20 a.m.London Gatwick

20h 15m

1 stop

BKK12:35 p.m.Bangkok Suvarnabhumi

16 Jun

BKK10:35 p.m.Bangkok Suvarnabhumi

22h 05m

1 stop

LGW2:40 p.m.London Gatwick

C$ 859

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 7/9

11:35 a.m.-12:30 p.m.

1 stop18h 55m

Bangkok Suvarnabhumi

Thu 26/11

1:35 p.m.-2:00 p.m.

1 stop31h 25m

C$ 803

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 20/9

11:35 a.m.-12:40 a.m.

1 stop31h 05m

Bangkok Suvarnabhumi

Mon 12/10

4:50 p.m.-3:00 p.m.

1 stop28h 10m

C$ 805

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 6/6

10:00 a.m.-1:45 p.m.

1 stop21h 45m

Bangkok Suvarnabhumi

Sun 14/6

3:25 p.m.-7:30 a.m.

1 stop22h 05m

C$ 814

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 6/6

4:15 p.m.-1:45 p.m.

1 stop15h 30m

Bangkok Suvarnabhumi

Thu 18/6

3:25 p.m.-7:30 a.m.

1 stop22h 05m

C$ 816

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 13/5

10:20 a.m.-12:35 p.m.

1 stop20h 15m

Bangkok Suvarnabhumi

Wed 17/6

10:35 p.m.-2:45 p.m.

1 stop22h 10m

C$ 827

Quickest round-trip

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 21/5

3:40 p.m.-12:35 p.m.

1 stop14h 55m

Bangkok Suvarnabhumi

Wed 17/6

10:35 p.m.-2:45 p.m.

1 stop22h 10m

C$ 857

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Fri 11/9

10:05 p.m.-1:40 a.m.

1 stop20h 35m

Manila Ninoy Aquino Intl

Thu 8/10

2:55 a.m.-8:00 p.m.

1 stop24h 05m

C$ 930

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Wed 20/5

10:05 p.m.-1:40 a.m.

1 stop20h 35m

Manila Ninoy Aquino Intl

Thu 4/6

2:55 a.m.-8:00 p.m.

1 stop24h 05m

C$ 933

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Fri 29/5

2:45 p.m.-11:55 p.m.

1 stop27h 10m

Phuket City

Mon 8/6

3:20 a.m.-12:45 p.m.

1 stop15h 25m

C$ 990

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Wed 3/6

2:45 p.m.-11:55 p.m.

1 stop27h 10m

Phuket City

Thu 18/6

2:25 a.m.-3:05 p.m.

1 stop18h 40m

C$ 993

Flights are sorted by cheapest round-trip 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 C$ 1,105, are often lower during this time because this is during the off-season. If you don’t want to visit Southeast Asia in November, then you should wait until September to fly from London, when ticket prices are also cheap, with an average price of C$ 1,120.

What is the cheapest London to Southeast Asia flight route?

Fly from London Heathrow to Ho Chi Minh 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 C$ 1,327 when searching weeks out. 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 C$ 1,224 on momondo.

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

Fastest flight time	11h 40m
Direct flights	Every day
Airports in Southeast Asia	295 airports

The fastest flight from London to Southeast Asia takes 11h 40m

Direct flights go from London to Southeast Asia every day.

There are 295 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 are refreshed on a daily basis.
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 necessary travel and health documents for your Southeast Asia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 this flight route, the most popular plane model on flight routes from London to Southeast Asia is Boeing 787-9 Dreamliner (18.63% of total bookings). The next most popular plane models are Airbus A350-1000 (14.74%), Boeing 777 (11.85%), and Boeing 787-8 Dreamliner (6.78%).

Why use momondo?

Why should I use momondo to find a flight deal from London to Southeast Asia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Southeast Asia for you.

Can I find flights from London to Southeast Asia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Southeast Asia from London with this policy.

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

Once all potential London to Southeast Asia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Southeast Asia, momondo offers a useful price alert feature which will track prices for flights to Southeast Asia from London and alert you when they change.