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Cheap flights from London Heathrow Airport to Southeast Asia from £248

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Southeast Asia departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Southeast Asia

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport to Southeast Asia that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Southeast Asia.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport to Southeast Asia? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Southeast Asia, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London Heathrow Airport to Southeast Asia

Find recent round-trip train or bus tickets from London Heathrow Airport to Southeast Asia.

All round-trip flight deals to Southeast Asia

The cheapest plane tickets to Southeast Asia found on KAYAK recently.
20:30 - 09:15LHR-SIN
28h 45m1 stop
19:50 - 10:15SIN-LHR
21h 25m1 stop
£356Air India
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Fri, 14 Mar - Sun, 30 Mar
13:00 - 09:15LHR-SIN
36h 15m1 stop
10:30 - 12:05SIN-LHR
32h 35m1 stop
£377Air India
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Tue, 25 Mar - Wed, 9 Apr
20:30 - 09:15LHR-SIN
28h 45m1 stop
19:50 - 19:00SIN-LHR
30h 10m1 stop
£378Air India
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Fri, 21 Mar - Fri, 4 Apr
20:25 - 01:40LHR-MNL
21h 15m2 stops
02:55 - 17:50MNL-LHR
22h 55m2 stops
£396Air China
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Wed, 15 Jan - Mon, 17 Feb
17:40 - 01:40LHR-MNL
24h 00m2 stops
02:55 - 17:50MNL-LHR
22h 55m2 stops
£406Air China
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Thu, 16 Jan - Mon, 17 Feb
19:10 - 22:45LHR-CGK
20h 35m1 stop
00:40 - 16:55CGK-LHR
23h 15m1 stop
£487SAUDIA
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Tue, 25 Feb - Thu, 6 Mar
19:10 - 02:40LHR-CGK
24h 30m1 stop
19:05 - 16:55CGK-LHR
28h 50m1 stop
£489SAUDIA
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Mon, 20 Jan - Sun, 2 Feb
18:45 - 21:25LHR-CGK
19h 40m1 stop
00:20 - 13:20CGK-LHR
20h 00m1 stop
£614Qatar Airways
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Mon, 13 Jan - Thu, 30 Jan
10:55 - 16:05LHR-CGK
22h 10m1 stop
05:25 - 15:35CGK-LHR
17h 10m1 stop
£631Singapore Airlines
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Wed, 29 Jan - Tue, 18 Feb
10:55 - 16:05LHR-CGK
22h 10m1 stop
05:25 - 15:35CGK-LHR
17h 10m1 stop
£632Singapore Airlines
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Wed, 29 Jan - Fri, 14 Feb
09:00 - 07:55LHR-KUL
14h 55m1 stop
£248Etihad Airways
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Sun, 9 Feb
07:20 - 07:15LHR-BKK
17h 55m1 stop
Tue, 1 Apr
17:40 - 02:20LHR-BKK
25h 40m2 stops
£274Air China
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Mon, 20 Jan
17:40 - 02:20LHR-BKK
25h 40m2 stops
£285Air China
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Tue, 21 Jan
19:10 - 22:45LHR-CGK
20h 35m1 stop
£341SAUDIA
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Thu, 6 Mar
19:10 - 06:20LHR-CGK
28h 10m1 stop
£360SAUDIA
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Mon, 20 Jan
09:10 - 20:40LHR-DPS
27h 30m1 stop
£369Singapore Airlines
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Fri, 14 Mar
09:10 - 19:05LHR-DPS
25h 55m1 stop
£376Singapore Airlines
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Thu, 13 Mar
22:05 - 18:35LHR-SGN
37h 30m1 stop
£480Cathay Pacific
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Thu, 6 Feb
07:00 - 16:20LHR-SIN
25h 20m3 stops
£546Cathay Pacific
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Wed, 22 Jan
21:35 - 12:30LHR-BKK
31h 55m1 stop
01:30 - 17:50BKK-LHR
23h 20m1 stop
£603Air China
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Tue, 24 Dec - Sun, 5 Jan
20:05 - 06:45LHR-BKK
27h 40m1 stop
09:15 - 18:25BKK-LHR
16h 10m1 stop
£663Oman Air
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Mon, 23 Dec - Mon, 30 Dec
17:50 - 18:35LHR-SGN
17h 45m1 stop
11:35 - 06:20SGN-LHR
25h 45m1 stop
£989Cathay Pacific
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Tue, 24 Dec - Sat, 28 Dec
22:00 - 16:45LHR-HAN
35h 45m1 stop
17:50 - 18:15HAN-LHR
31h 25m1 stop
£1,009China Southern
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Sun, 22 Dec - Sun, 19 Jan
09:00 - 07:10LHR-BKK
15h 10m1 stop
02:15 - 18:25BKK-LHR
23h 10m1 stop
£1,043Etihad Airways
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Tue, 24 Dec - Sun, 19 Jan
19:20 - 23:35LHR-HKT
21h 15m1 stop
21:50 - 14:30HKT-LHR
23h 40m2 stops
£1,066Etihad Airways
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Tue, 24 Dec - Fri, 17 Jan
17:15 - 17:10LHR-KUL
39h 55m2 stops
16:55 - 18:15KUL-LHR
33h 20m1 stop
£1,083China Southern
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Sun, 22 Dec - Wed, 15 Jan
17:50 - 18:35LHR-SGN
17h 45m1 stop
19:35 - 13:30SGN-LHR
24h 55m2 stops
£1,170Cathay Pacific
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Tue, 24 Dec - Mon, 13 Jan
21:30 - 22:40LHR-DPS
17h 10m1 stop
09:45 - 19:50DPS-LHR
18h 05m1 stop
£1,179Qatar Airways
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Sun, 22 Dec - Sun, 29 Dec
16:00 - 22:40LHR-DPS
22h 40m1 stop
18:55 - 05:50DPS-LHR
18h 55m1 stop
£1,197Qatar Airways
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Sun, 22 Dec - Wed, 25 Dec
18:55 - 15:55LHR-SIN
13h 00mdirect
23:15 - 05:40SIN-LHR
14h 25mdirect
£525British Airways
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Thu, 6 Feb - Sun, 9 Mar
18:55 - 15:55LHR-SIN
13h 00mdirect
23:15 - 05:40SIN-LHR
14h 25mdirect
£525British Airways
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Tue, 14 Jan - Sun, 2 Feb
22:05 - 19:00LHR-SIN
12h 55mdirect
09:00 - 15:35SIN-LHR
14h 35mdirect
£559Singapore Airlines
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Wed, 22 Jan - Mon, 3 Feb
09:10 - 06:00LHR-SIN
12h 50mdirect
09:00 - 15:35SIN-LHR
14h 35mdirect
£560Singapore Airlines
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Thu, 27 Feb - Wed, 19 Mar
10:25 - 07:15LHR-KUL
12h 50mdirect
09:25 - 15:25KUL-LHR
14h 00mdirect
£580Malaysia Airlines
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Tue, 18 Feb - Tue, 4 Mar
21:35 - 17:50LHR-KUL
13h 15mdirect
09:50 - 16:35KUL-LHR
13h 45mdirect
£581Malaysia Airlines
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Thu, 1 May - Fri, 18 Jul
19:10 - 13:40LHR-SGN
12h 30mdirect
09:35 - 16:55SGN-LHR
13h 20mdirect
£630Vietnam Airlines
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Thu, 5 Jun - Thu, 3 Jul
19:50 - 14:20LHR-SGN
12h 30mdirect
09:35 - 16:55SGN-LHR
13h 20mdirect
£637Vietnam Airlines
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Tue, 17 Jun - Thu, 3 Jul
21:35 - 16:00LHR-BKK
11h 25mdirect
13:20 - 19:35BKK-LHR
13h 15mdirect
£655Thai Airways
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Fri, 21 Mar - Sat, 29 Mar
11:50 - 06:15LHR-BKK
11h 25mdirect
12:50 - 19:10BKK-LHR
12h 20mdirect
£657Thai Airways
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Wed, 19 Mar - Fri, 4 Apr

China Southern flights from London Heathrow Airport to Southeast Asia

Our best China Southern deals on London Heathrow Airport to Southeast Asia flight tickets
China Southern
23 Feb
LHR22:00London Heathrow
16h 30m
1 stop
MNL22:30Manila Ninoy Aquino Intl
9 Mar
MNL08:20Manila Ninoy Aquino Intl
17h 55m
1 stop
LHR18:15London Heathrow
China Southern
25 Feb
LHR22:00London Heathrow
29h 10m
1 stop
BKK10:10Bangkok Suvarnabhumi
24 Mar
BKK02:10Bangkok Suvarnabhumi
23h 05m
1 stop
LHR18:15London Heathrow
China Southern
25 Feb
LHR22:00London Heathrow
25h 40m
1 stop
DPS07:40Denpasar Bali Ngurah Rai
6 Mar
DPS00:30Denpasar Bali Ngurah Rai
25h 45m
1 stop
LHR18:15London Heathrow

Hainan Airlines flights from London Heathrow Airport to Southeast Asia

Our best Hainan Airlines deals on London Heathrow Airport to Southeast Asia flight tickets
Hainan Airlines
28 Feb
LHR21:00London Heathrow
38h 05m
2 stops
BKK18:05Bangkok Suvarnabhumi
23 Mar
BKK19:10Bangkok Suvarnabhumi
29h 45m
2 stops
LHR17:55London Heathrow
Hainan Airlines
7 Feb
LHR21:00London Heathrow
30h 05m
2 stops
BKK10:05Bangkok Suvarnabhumi
20 Feb
BKK11:10Bangkok Suvarnabhumi
37h 25m
2 stops
LHR17:35London Heathrow
Hainan Airlines
6 Jan
LHR21:00London Heathrow
38h 05m
2 stops
BKK18:05Bangkok Suvarnabhumi
19 Jan
BKK11:10Bangkok Suvarnabhumi
37h 45m
2 stops
LHR17:55London Heathrow

See travel insights to Southeast Asia from

How to get the cheapest flight ticket from London Heathrow Airport 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

What is the cheapest month to fly to Southeast Asia?

The month of May is, on average, the cheapest month to fly to Southeast Asia from London Heathrow Airport, with most prices found around £651. If you are unable to visit Southeast Asia during the month of May, then departing from London Heathrow Airport during the month September is also very affordable. Most momondo users find prices during this month for around £657.

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

Our data shows that Tuesday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as £689. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Southeast Asia on Friday is £729.

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

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Southeast Asia when you can find flight prices for as low as £619. Flying to Southeast Asia in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around £755. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Southeast Asia flight route?

Fly from London Heathrow to Bangkok Suvarnabhumi for the best London Heathrow - Southeast Asia flight prices

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

The ideal time to book your flight to Southeast Asia is 37 days in advance, when prices tend to average £734. In the past 72 hours, momondo users found flights from London Heathrow Airport to Southeast Asia for as low as £536.

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

There are 4 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to Southeast Asia flights?

You could potentially save up to 22% on your flight if you consider stops on a London Heathrow Airport to Southeast Asia flight.

Cheap London Heathrow Airport to Southeast Asia flight deals and tips

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

Best price found

£248

Fastest flight time

11h 20m

Direct flights

Mon, Wed, Thu and Sat

Airports in Southeast Asia

10 airports
The best one-way flight to Southeast Asia from London Heathrow Airport in the past 72 hours is £248. The best return flight deal from London Heathrow Airport to Southeast Asia found on momondo in the last 72 hours is £356.
The fastest flight from London Heathrow Airport to Southeast Asia takes 11h 20m
Direct flights go from London Heathrow Airport to Southeast Asia on Monday, Wednesday, Thursday and Saturday. Airlines offering direct flights are: Thai Airways, Vietnam Airlines and Cambodia Angkor Air.
There are 10 airports near Southeast Asia: Phuket City (HKT), Kuala Lumpur Intl (KUL), Bangkok Suvarnabhumi (BKK), Bangkok Don Mueang Intl (DMK), Hanoi Noibai (HAN), Denpasar Bali Ngurah Rai (DPS), Jakarta Soekarno-Hatta Intl (CGK), Singapore Changi (SIN), Manila Ninoy Aquino Intl (MNL), Ho Chi Minh City (SGN)

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

    Prices for flights from London Heathrow Airport to Southeast Asia are updated daily.

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

  • How old do you have to be to fly from London Heathrow Airport to Southeast Asia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport 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 London Heathrow Airport to Southeast Asia?


Best airlines flying from London Heathrow Airport to Southeast Asia

Compare and see reviews for airlines that fly from London Heathrow Airport to Southeast Asia with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom £396Free CancellationRating
7.5
809 reviews
Search Qantas Airways flights
Air FrancePriceFrom £415Free CancellationRating
7.4
1,505 reviews
Search Air France flights
Hainan AirlinesPriceFrom £430Free CancellationRating
7.6
38 reviews
Search Hainan Airlines flights
Royal Brunei AirlinesPriceFrom £475Free CancellationRating
6.2
9 reviews
Search Royal Brunei Airlines flights
KLMPriceFrom £506Free CancellationRating
7.8
1,349 reviews
Search KLM flights
SWISSPriceFrom £522Free CancellationRating
7.6
1,605 reviews
Search SWISS flights
FinnairPriceFrom £532Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
Royal JordanianPriceFrom £546Free CancellationRating
6.9
420 reviews
Search Royal Jordanian flights
LufthansaPriceFrom £551Free CancellationRating
6.8
7,087 reviews
Search Lufthansa flights
Austrian AirlinesPriceFrom £552Free CancellationRating
7.5
788 reviews
Search Austrian Airlines flights

Why use momondo?

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

Finding the right flight to Southeast Asia from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Southeast Asia quick and easy, saving you time and money.

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

Flights from London to Southeast Asia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between London and Southeast Asia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Southeast Asia from London. 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.


An easier way to manage your Southeast Asia trip

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Popular Cities in Southeast Asia

Popular flights according to clicks in the last 7 days on momondo