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Cheap flights from London Heathrow Airport to Southeast Asia from $354

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 1/27. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
8:30 pm - 6:50 pmLHR-SIN
38h 20m1 stop
7:50 pm - 7:00 pmSIN-LHR
30h 10m1 stop
$486Air India
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Tue, Mar 18 - Tue, Apr 8
1:00 pm - 6:50 pmLHR-SIN
21h 50m1 stop
7:50 pm - 10:15 amSIN-LHR
21h 25m1 stop
$508Air India
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Tue, Mar 18 - Tue, Apr 8
5:40 pm - 6:05 pmLHR-BKK
17h 25m1 stop
5:55 pm - 7:40 pmBKK-LHR
32h 45m1 stop
$549Air China
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Sun, Jan 12 - Wed, Feb 12
9:35 pm - 1:25 amLHR-MNL
19h 50m1 stop
2:55 am - 7:40 pmMNL-LHR
24h 45m1 stop
$558Air China
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Thu, Jan 16 - Fri, Feb 14
7:10 pm - 10:45 pmLHR-CGK
20h 35m1 stop
12:40 am - 12:15 pmCGK-LHR
18h 35m1 stop
$669SAUDIA
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Fri, Feb 28 - Wed, Mar 12
7:10 pm - 10:45 pmLHR-CGK
21h 35m1 stop
12:40 am - 1:15 pmCGK-LHR
18h 35m1 stop
$671SAUDIA
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Sat, Apr 19 - Thu, May 8
6:55 pm - 8:40 pmLHR-KUL
17h 45m1 stop
7:55 pm - 7:20 amKUL-LHR
19h 25m1 stop
$729Qatar Airways
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Mon, Jan 20 - Wed, Feb 26
4:00 pm - 2:40 pmLHR-KUL
14h 40m1 stop
7:55 pm - 7:20 amKUL-LHR
19h 25m1 stop
$731Qatar Airways
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Sun, Jan 19 - Wed, Feb 26
9:10 am - 6:00 amLHR-SIN
12h 50mnonstop
9:00 am - 3:35 pmSIN-LHR
14h 35mnonstop
$738Singapore Airlines
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Thu, Feb 27 - Sun, Mar 9
10:05 pm - 6:10 pmLHR-SIN
13h 05mnonstop
1:10 am - 7:45 amSIN-LHR
13h 35mnonstop
$739Singapore Airlines
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Tue, May 20 - Mon, Jun 9
6:30 pm - 5:10 amLHR-SIN
50h 40m3 stops
Mon, Jan 27
7:20 am - 4:20 pmLHR-KUL
25h 00m2 stops
Wed, Feb 12
9:35 pm - 12:30 pmLHR-BKK
31h 55m1 stop
$370Air China
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Sat, Jan 18
9:35 pm - 4:40 pmLHR-BKK
36h 05m1 stop
$384Air China
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Sat, Jan 11
9:10 am - 6:00 amLHR-SIN
12h 50mnonstop
$390Singapore Airlines
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Sun, Mar 23
9:25 am - 5:30 amLHR-SIN
13h 05mnonstop
$391Singapore Airlines
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Tue, May 13
10:00 pm - 10:45 amLHR-HAN
29h 45m1 stop
$413China Southern
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Wed, Jan 29
10:00 pm - 4:35 pmLHR-MNL
34h 35m1 stop
$415China Southern
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Sun, Mar 2
4:15 pm - 2:40 amLHR-CGK
27h 25m2 stops
$471SAUDIA
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Mon, Jan 20
7:10 pm - 6:20 amLHR-CGK
29h 10m2 stops
$492SAUDIA
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Tue, Apr 22
9:10 pm - 6:25 pmLHR-SIN
13h 15mnonstop
11:15 pm - 5:40 amSIN-LHR
14h 25mnonstop
$879British Airways
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Wed, Dec 25 - Sun, Jan 26
9:10 pm - 6:25 pmLHR-SIN
13h 15mnonstop
8:25 pm - 12:15 pmSIN-LHR
23h 50m1 stop
$1,059
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Wed, Dec 25 - Sun, Jan 26
5:40 pm - 1:25 amLHR-MNL
23h 45m2 stops
2:55 am - 3:55 pmMNL-LHR
45h 00m2 stops
$1,193Air China
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Fri, Dec 27 - Mon, Dec 30
7:10 pm - 11:35 pmLHR-BKK
21h 25m1 stop
3:20 pm - 5:10 pmBKK-LHR
32h 50m2 stops
$1,385SAUDIA
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Sun, Dec 29 - Mon, Jan 27
7:10 pm - 10:45 pmLHR-CGK
20h 35m1 stop
7:05 pm - 2:15 pmCGK-LHR
26h 10m2 stops
$1,427SAUDIA
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Thu, Dec 26 - Wed, Feb 26
10:55 am - 2:25 pmLHR-BKK
20h 30m1 stop
9:10 pm - 3:35 pmBKK-LHR
25h 25m1 stop
$1,436Singapore Airlines
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Wed, Dec 25 - Tue, Jan 14
4:00 pm - 5:25 pmLHR-DPS
17h 25m1 stop
9:45 am - 7:50 pmDPS-LHR
18h 05m1 stop
$1,465Qatar Airways
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Sun, Dec 29 - Tue, Jan 28
4:00 pm - 9:15 pmLHR-SIN
21h 15m1 stop
10:15 am - 7:50 pmSIN-LHR
17h 35m1 stop
$1,489Qatar Airways
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Sun, Dec 29 - Fri, Jan 10
10:55 am - 4:15 pmLHR-KUL
21h 20m1 stop
8:30 pm - 5:55 amKUL-LHR
17h 25m1 stop
$1,493Singapore Airlines
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Thu, Dec 26 - Thu, Jan 9
8:25 pm - 4:30 pmLHR-HKT
37h 05m1 stop
6:25 pm - 5:50 pmHKT-LHR
30h 25m1 stop
$2,576Air China
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Sun, Dec 29 - Thu, Jan 16
6:55 pm - 3:55 pmLHR-SIN
13h 00mnonstop
11:15 pm - 5:40 amSIN-LHR
14h 25mnonstop
$686British Airways
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Wed, Mar 19 - Mon, Mar 24
6:55 pm - 3:55 pmLHR-SIN
13h 00mnonstop
11:15 pm - 5:40 amSIN-LHR
14h 25mnonstop
$687British Airways
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Tue, Jan 21 - Thu, Feb 6
9:10 am - 6:00 amLHR-SIN
12h 50mnonstop
9:00 am - 3:35 pmSIN-LHR
14h 35mnonstop
$737Singapore Airlines
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Wed, Jan 29 - Thu, Mar 6
9:10 am - 6:00 amLHR-SIN
12h 50mnonstop
9:00 am - 3:35 pmSIN-LHR
14h 35mnonstop
$738Singapore Airlines
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Thu, Feb 27 - Thu, Mar 6
10:25 am - 7:15 amLHR-KUL
12h 50mnonstop
9:25 am - 3:25 pmKUL-LHR
14h 00mnonstop
$780Malaysia Airlines
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Mon, Jan 20 - Mon, Jan 27
9:35 pm - 5:50 pmLHR-KUL
13h 15mnonstop
9:50 am - 4:35 pmKUL-LHR
13h 45mnonstop
$809Malaysia Airlines
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Fri, Jun 20 - Wed, Jul 9
9:35 pm - 4:00 pmLHR-BKK
11h 25mnonstop
12:50 pm - 7:10 pmBKK-LHR
12h 20mnonstop
$858Thai Airways
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Wed, Mar 26 - Mon, Apr 14
12:30 pm - 6:00 amLHR-BKK
11h 30mnonstop
12:50 pm - 7:10 pmBKK-LHR
12h 20mnonstop
$877Thai Airways
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Mon, Mar 31 - Wed, Jun 25
7:10 pm - 1:40 pmLHR-SGN
12h 30mnonstop
10:30 am - 5:50 pmSGN-LHR
13h 20mnonstop
$879Vietnam Airlines
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Thu, May 1 - Tue, May 20
7:50 pm - 2:20 pmLHR-SGN
12h 30mnonstop
9:35 am - 4:55 pmSGN-LHR
13h 20mnonstop
$881Vietnam Airlines
Find Deal
Tue, Jun 10 - Thu, Jul 10

Finnair flights from London Heathrow Airport to Southeast Asia

Our best Finnair deals on London Heathrow Airport to Southeast Asia flight tickets
Finnair
May 29
LHR1:00 pmLondon Heathrow
34h 30m
1 stop
BKK5:30 amBangkok Suvarnabhumi
Jun 18
BKK7:05 amBangkok Suvarnabhumi
35h 05m
1 stop
LHR12:10 pmLondon Heathrow
Finnair
Jan 7
LHR1:10 pmLondon Heathrow
21h 15m
1 stop
SIN6:25 pmSingapore Changi
Jan 31
SIN10:05 pmSingapore Changi
26h 55m
1 stop
LHR5:00 pmLondon Heathrow

Oman Air flights from London Heathrow Airport to Southeast Asia

Our best Oman Air deals on London Heathrow Airport to Southeast Asia flight tickets
Oman Air
Jan 20
LHR8:05 pmLondon Heathrow
27h 40m
1 stop
BKK6:45 amBangkok Suvarnabhumi
Jan 27
BKK8:05 pmBangkok Suvarnabhumi
29h 20m
1 stop
LHR6:25 pmLondon Heathrow
Oman Air
Jan 2
LHR8:05 pmLondon Heathrow
27h 40m
1 stop
BKK6:45 amBangkok Suvarnabhumi
Jan 14
BKK9:15 amBangkok Suvarnabhumi
16h 10m
1 stop
LHR6:25 pmLondon 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 $826. If you don’t want to visit Southeast Asia in May, then you should wait until September to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $832.

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

The cheapest day to depart from London Heathrow Airport to Southeast Asia is on a Tuesday when prices can be found for as low as $875. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $972. 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?

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 $798. 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 $995. 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?

We recommend purchasing flights from London Heathrow Airport to Southeast Asia 50 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Southeast Asia for $931. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from London Heathrow Airport for as low as $863 on momondo.

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 9% 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

$354

Fastest flight time

11h 20m

Direct flights

Every day

Airports in Southeast Asia

7 airports
The best one-way flight to Southeast Asia from London Heathrow Airport in the past 72 hours is $354. The best round-trip flight deal from London Heathrow Airport to Southeast Asia found on momondo in the last 72 hours is $486.
The fastest flight from London Heathrow Airport to Southeast Asia takes 11h 20m
Direct flights go from London Heathrow Airport to Southeast Asia every day.
There are 7 airports near Southeast Asia: Kuala Lumpur Intl (KUL), Bangkok Suvarnabhumi (BKK), Hanoi Noibai (HAN), Denpasar Bali Ngurah Rai (DPS), 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 were last updated today.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 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 license 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 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
China SouthernPriceFrom $450Free CancellationRating
7.5
89 reviews
Search China Southern flights
China EasternPriceFrom $515Free CancellationRating
7.0
143 reviews
Search China Eastern flights
Shenzhen AirlinesPriceFrom $518Free CancellationRating
5.8
12 reviews
Search Shenzhen Airlines flights
Air IndiaPriceFrom $613Free CancellationRating
5.5
2,921 reviews
Search Air India flights
Gulf AirPriceFrom $626Free CancellationRating
7.2
224 reviews
Search Gulf Air flights
Etihad AirwaysPriceFrom $654Free CancellationRating
7.3
1,207 reviews
Search Etihad Airways flights
Kuwait AirwaysPriceFrom $673Free CancellationRating
7.1
308 reviews
Search Kuwait Airways flights
SWISSPriceFrom $679Free CancellationRating
7.5
1,605 reviews
Search SWISS flights
Oman AirPriceFrom $682Free CancellationRating
8.0
96 reviews
Search Oman Air flights
Singapore AirlinesPriceFrom $684Free CancellationRating
8.1
1,330 reviews
Search Singapore Airlines flights

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?

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?

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.


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