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

As of April 2026, there are 34 flights per day flying from United Kingdom to Southeast Asia. The most common time of day flights depart is 22:00, with 64% of flights taking off in the evening.

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

The number of flights available between United Kingdom and Southeast Asia is 241 per week as of April 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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

Shenzhen Airlines, China Eastern, and Air India are the most popular carriers operating from United Kingdom to Southeast Asia

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

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

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

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

The required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

₹ 41,664 Cheap Flights from the United Kingdom to Southeast Asia in 2026

1 adult

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Find the cheapest flights from the United Kingdom to Southeast Asia

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One-way

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Direct

Recent return flight deals from the United Kingdom to Southeast Asia

Enter your travel dates to find the best prices.

10:00 - 12:45

LHR

SIN

19h 45m

1 stop

20:00 - 06:55

SIN

LHR

17h 55m

1 stop

₹ 68,877Gulf Air

Thu, 11 Jun - Wed, 17 Jun

22:05 - 12:45

LHR

SIN

31h 40m

1 stop

20:00 - 15:20

SIN

LHR

26h 20m

1 stop

₹ 69,065Gulf Air

Mon, 11 May - Mon, 18 May

22:05 - 12:45

LHR

SIN

31h 40m

1 stop

20:00 - 06:55

SIN

LHR

17h 55m

1 stop

₹ 69,252Gulf Air

Thu, 7 May - Mon, 11 May

22:05 - 12:45

LHR

SIN

31h 40m

1 stop

20:00 - 15:20

SIN

LHR

26h 20m

1 stop

₹ 69,346Gulf Air

Thu, 7 May - Mon, 11 May

10:00 - 12:45

LHR

SIN

19h 45m

1 stop

20:00 - 06:55

SIN

LHR

17h 55m

1 stop

₹ 69,440Gulf Air

Thu, 4 Jun - Tue, 16 Jun

10:00 - 12:45

LHR

SIN

19h 45m

1 stop

20:00 - 06:55

SIN

LHR

17h 55m

1 stop

₹ 70,003Gulf Air

Thu, 4 Jun - Thu, 25 Jun

09:30 - 08:10

LHR

IXZ

18h 10m

2 stops

14:50 - 18:45

IXZ

LHR

32h 25m

3 stops

₹ 74,883Multiple Airlines

Thu, 28 May - Thu, 4 Jun

13:15 - 11:00

LHR

IXZ

17h 15m

1 stop

11:40 - 11:30

IXZ

LHR

28h 20m

1 stop

₹ 81,264Air India

Tue, 26 May - Tue, 2 Jun

14:00 - 11:00

LHR

IXZ

16h 30m

1 stop

11:40 - 19:00

IXZ

LHR

35h 50m

1 stop

₹ 81,358Air India

Thu, 28 May - Thu, 4 Jun

13:15 - 11:00

LHR

IXZ

17h 15m

1 stop

15:15 - 11:30

IXZ

LHR

24h 45m

2 stops

₹ 81,827Air India

Tue, 26 May - Tue, 2 Jun

China Eastern flights from United Kingdom to Southeast Asia

Our best China Eastern deals on United Kingdom to Southeast Asia flight tickets

China Eastern

22 Apr

LHR21:20London Heathrow

25h 05m

1 stop

SIN05:25Singapore Changi

7 May

SIN00:55Singapore Changi

24h 45m

1 stop

LHR18:40London Heathrow

₹ 70,191

China Eastern

16 Apr

LHR21:20London Heathrow

36h 40m

1 stop

SIN17:00Singapore Changi

6 May

SIN00:55Singapore Changi

24h 45m

1 stop

LHR18:40London Heathrow

₹ 70,285

China Eastern

21 Apr

LHR21:20London Heathrow

45h 10m

2 stops

SIN01:30Singapore Changi

7 May

SIN00:55Singapore Changi

24h 45m

1 stop

LHR18:40London Heathrow

₹ 70,848

Gulf Air flights from United Kingdom to Southeast Asia

Our best Gulf Air deals on United Kingdom to Southeast Asia flight tickets

Gulf Air

11 Jun

LHR10:00London Heathrow

19h 45m

1 stop

SIN12:45Singapore Changi

17 Jun

SIN20:00Singapore Changi

17h 55m

1 stop

LHR06:55London Heathrow

₹ 68,877

Gulf Air

11 May

LHR22:05London Heathrow

31h 40m

1 stop

SIN12:45Singapore Changi

18 May

SIN20:00Singapore Changi

26h 20m

1 stop

LHR15:20London Heathrow

₹ 69,065

Gulf Air

7 May

LHR22:05London Heathrow

31h 40m

1 stop

SIN12:45Singapore Changi

11 May

SIN20:00Singapore Changi

26h 20m

1 stop

LHR15:20London Heathrow

₹ 69,346

momondo Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 11/6

10:00-12:45

1 stop19h 45m

Singapore Changi

Wed 17/6

20:00-06:55

1 stop17h 55m

₹ 68,877

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 11/5

22:05-12:45

1 stop31h 40m

Singapore Changi

Mon 18/5

20:00-15:20

1 stop26h 20m

₹ 69,065

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 7/5

22:05-12:45

1 stop31h 40m

Singapore Changi

Mon 11/5

20:00-06:55

1 stop17h 55m

₹ 69,252

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 7/5

22:05-12:45

1 stop31h 40m

Singapore Changi

Mon 11/5

20:00-15:20

1 stop26h 20m

₹ 69,346

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 4/6

10:00-12:45

1 stop19h 45m

Singapore Changi

Tue 16/6

20:00-06:55

1 stop17h 55m

₹ 69,440

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 4/6

10:00-12:45

1 stop19h 45m

Singapore Changi

Thu 25/6

20:00-06:55

1 stop17h 55m

₹ 70,003

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Thu 28/5

09:30-08:10

2 stops18h 10m

Port Blair

Thu 4/6

14:50-18:45

3 stops32h 25m

₹ 74,883

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Tue 26/5

13:15-11:00

1 stop17h 15m

Port Blair

Tue 2/6

11:40-11:30

1 stop28h 20m

₹ 81,264

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Thu 28/5

14:00-11:00

1 stop16h 30m

Port Blair

Thu 4/6

11:40-19:00

1 stop35h 50m

₹ 81,358

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Tue 26/5

13:15-11:00

1 stop17h 15m

Port Blair

Tue 2/6

15:15-11:30

2 stops24h 45m

₹ 81,827

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 United Kingdom 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?

In general, May is the cheapest month to fly from United Kingdom to Southeast Asia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 65,311. If you aren’t able to travel during the month of May, then book flights to Southeast Asia from United Kingdom during September instead. Flights to Southeast Asia in September, while not as cheap as those in May, still average around ₹ 67,845.

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

The cheapest day to depart from United Kingdom to Southeast Asia is on a Thursday. Travellers who choose to depart for Southeast Asia on a Thursday will often find tickets for as low as ₹ 90,762. The most expensive day to fly to Southeast Asia is Friday, with ticket prices averaging around ₹ 132,558.

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

According to our data, the cheapest time of day to fly to Southeast Asia is in the evening. momondo users have found flights departing from United Kingdom to Southeast Asia in the evening for as low as ₹ 115,642. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are ₹ 130,046 on average. Flights to Southeast Asia from United Kingdom in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest United Kingdom to Southeast Asia flight route?

Fly from Manchester to Bangkok Suvarnabhumi for the best United Kingdom - Southeast Asia flight prices

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

You are more likely to see cheaper flights to Southeast Asia from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around ₹ 87,934 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 United Kingdom for as low as ₹ 83,234 on momondo.

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

There are 2 cabin classes available to choose from on United Kingdom 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 United Kingdom to Southeast Asia flights?

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

Cheap United Kingdom to Southeast Asia flight deals and tips

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

Fastest flight time	13h 05m
Direct flights	Every day
Airports in Southeast Asia	295 airports

The fastest flight from United Kingdom to Southeast Asia takes 13h 05m

Direct flights go from United Kingdom to Southeast Asia every day.

There are 295 airports in Southeast Asia. From United Kingdom there are direct flights to Singapore Changi (SIN).

Search flight deals

Frequently asked questions about flying from the United Kingdom to Southeast Asia

When did momondo last update prices for flights from United Kingdom to Southeast Asia?
Prices for flights from United Kingdom to Southeast Asia are refreshed on a daily basis.
How old do you have to be to fly from United Kingdom 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 United Kingdom to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The required travel and health documents for your Southeast Asia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southeast Asia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from United Kingdom to Southeast Asia?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United Kingdom to Southeast Asia is Boeing 787-9 Dreamliner (17.78% of total bookings). The next most popular plane models are Airbus A350-1000 (15.05%), Boeing 777 (10.51%), and Airbus A320-100/200 (6.76%).

Why use momondo?

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

It is quick and easy to find United Kingdom to Southeast Asia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Southeast Asia that suits you.

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

Yes. All flights to Southeast Asia from United Kingdom on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for United Kingdom to Southeast Asia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Southeast Asia from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.