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 255 per week as of July 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, Gulf Air, and Air India are the most popular carriers operating from United Kingdom to Southeast Asia

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

As of July 2026, there are 36 flights per day flying from United Kingdom to Southeast Asia. The most common time of day flights depart is 22:00, with 59% of flights taking off in the evening.

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.

₹ 43,633 Cheap Flights from the United Kingdom to Southeast Asia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United Kingdom to Southeast Asia

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One-way

Last minute

Direct

Recent return flight deals from the United Kingdom to Southeast Asia

Enter your travel dates to find the best prices.

09:45 - 11:00

LHR

IXZ

20h 45m

1 stop

11:40 - 19:00

IXZ

LHR

35h 50m

1 stop

₹ 59,230Air India

Thu, 10 Sep - Thu, 17 Sep

20:35 - 11:00

LHR

IXZ

33h 55m

1 stop

11:40 - 11:30

IXZ

LHR

28h 20m

1 stop

₹ 59,422Air India

Tue, 8 Sep - Tue, 15 Sep

12:30 - 11:00

LHR

IXZ

42h 00m

2 stops

11:40 - 11:30

IXZ

LHR

28h 20m

1 stop

₹ 59,996Air India

Tue, 1 Sep - Sat, 12 Sep

20:35 - 11:00

LHR

IXZ

33h 55m

1 stop

11:40 - 10:15

IXZ

LHR

27h 05m

2 stops

₹ 60,092Air India

Tue, 8 Sep - Tue, 15 Sep

12:30 - 11:00

LHR

IXZ

42h 00m

3 stops

11:40 - 19:00

IXZ

LHR

35h 50m

1 stop

₹ 60,379Air India

Tue, 1 Sep - Sat, 12 Sep

13:50 - 11:00

LHR

IXZ

40h 40m

2 stops

11:40 - 10:15

IXZ

LHR

27h 05m

2 stops

₹ 60,666Air India

Thu, 10 Sep - Thu, 17 Sep

12:30 - 11:00

LHR

IXZ

42h 00m

2 stops

11:40 - 10:15

IXZ

LHR

27h 05m

2 stops

₹ 60,857Air India

Tue, 8 Sep - Tue, 15 Sep

12:30 - 11:00

LHR

IXZ

42h 00m

3 stops

11:40 - 10:15

IXZ

LHR

27h 05m

2 stops

₹ 61,144Air India

Tue, 1 Sep - Sat, 12 Sep

14:00 - 11:00

LHR

IXZ

16h 30m

1 stop

11:40 - 11:30

IXZ

LHR

28h 20m

1 stop

₹ 62,292Air India

Thu, 10 Sep - Thu, 17 Sep

13:15 - 11:00

LHR

IXZ

17h 15m

1 stop

11:40 - 19:00

IXZ

LHR

35h 50m

1 stop

₹ 63,058Air India

Fri, 11 Sep - Fri, 18 Sep

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Shenzhen Airlines flights from United Kingdom to Southeast Asia

Our best Shenzhen Airlines deals on United Kingdom to Southeast Asia flight tickets

Shenzhen Airlines

18 Sept

LHR22:05London Heathrow

31h 15m

1 stop

SIN12:20Singapore Changi

25 Sept

SIN03:00Singapore Changi

23h 50m

1 stop

LHR19:50London Heathrow

₹ 76,071

Shenzhen Airlines

19 Sept

LHR22:05London Heathrow

31h 15m

1 stop

SIN12:20Singapore Changi

26 Sept

SIN13:30Singapore Changi

37h 30m

1 stop

LHR20:00London Heathrow

₹ 76,358

Shenzhen Airlines

28 Dec

LHR21:10London Heathrow

36h 05m

1 stop

SIN17:15Singapore Changi

21 Jan

SIN18:45Singapore Changi

32h 25m

1 stop

LHR19:10London Heathrow

₹ 76,837

Air India flights from United Kingdom to Southeast Asia

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

Air India

10 Sept

LHR09:45London Heathrow

20h 45m

1 stop

IXZ11:00Port Blair

17 Sept

IXZ11:40Port Blair

35h 50m

1 stop

LHR19:00London Heathrow

₹ 59,230

Air India

8 Sept

LHR20:35London Heathrow

33h 55m

1 stop

IXZ11:00Port Blair

15 Sept

IXZ11:40Port Blair

28h 20m

1 stop

LHR11:30London Heathrow

₹ 59,422

Air India

1 Sept

LHR12:30London Heathrow

42h 00m

2 stops

IXZ11:00Port Blair

12 Sept

IXZ11:40Port Blair

28h 20m

1 stop

LHR11:30London Heathrow

₹ 59,996

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

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Thu 10/9

09:45-11:00

1 stop20h 45m

Port Blair

Thu 17/9

11:40-19:00

1 stop35h 50m

₹ 59,230

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Tue 8/9

20:35-11:00

1 stop33h 55m

Port Blair

Tue 15/9

11:40-11:30

1 stop28h 20m

₹ 59,422

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Tue 1/9

12:30-11:00

2 stops42h 00m

Port Blair

Sat 12/9

11:40-11:30

1 stop28h 20m

₹ 59,996

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Tue 8/9

20:35-11:00

1 stop33h 55m

Port Blair

Tue 15/9

11:40-10:15

2 stops27h 05m

₹ 60,092

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Tue 1/9

12:30-11:00

3 stops42h 00m

Port Blair

Sat 12/9

11:40-19:00

1 stop35h 50m

₹ 60,379

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Thu 10/9

13:50-11:00

2 stops40h 40m

Port Blair

Thu 17/9

11:40-10:15

2 stops27h 05m

₹ 60,666

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Tue 8/9

12:30-11:00

2 stops42h 00m

Port Blair

Tue 15/9

11:40-10:15

2 stops27h 05m

₹ 60,857

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Tue 1/9

12:30-11:00

3 stops42h 00m

Port Blair

Sat 12/9

11:40-10:15

2 stops27h 05m

₹ 61,144

Fastest return journey

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Thu 10/9

14:00-11:00

1 stop16h 30m

Port Blair

Thu 17/9

11:40-11:30

1 stop28h 20m

₹ 62,292

LondonPort Blair

LHR - IXZ

LHRIXZ

London Heathrow

Fri 11/9

13:15-11:00

1 stop17h 15m

Port Blair

Fri 18/9

11:40-19:00

1 stop35h 50m

₹ 63,058

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, November 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 ₹ 82,291. If you aren’t able to travel during the month of November, 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 November, still average around ₹ 84,109.

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 Sunday. Travellers who choose to depart for Southeast Asia on a Sunday will often find tickets for as low as ₹ 102,438. The most expensive day to fly to Southeast Asia is Thursday, with ticket prices averaging around ₹ 147,788.

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 ₹ 119,171. 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 ₹ 147,788 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 Phuket City for the best United Kingdom - Southeast Asia flight prices

How far in advance should I book a flight from the United Kingdom 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 ₹ 90,073 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 ₹ 85,162 on momondo.

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

There are 3 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 15m
Direct flights	Every day
Airports in Southeast Asia	294 airports

The fastest flight from United Kingdom to Southeast Asia takes 13h 15m

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

There are 294 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 (18.67% of total bookings). The next most popular plane models are Airbus A350-1000 (13.14%), Boeing 777 (11.45%), and Airbus A321neo (8.12%).

Best airlines flying from United Kingdom to Southeast Asia

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

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom ₹ 65,571	Free Cancellation	Rating 7.3 1,497 reviews		Search Etihad Airways flights
EVA Air	PriceFrom ₹ 92,551	Free Cancellation	Rating 8.5 1,506 reviews		Search EVA Air flights

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.