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Cheap flights from London to Southeast Asia from $343

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 to Southeast Asia departing on 3/3. 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 to Southeast Asia

Cheap round-trip flights

These are some of the best round-trip flight deals from London 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 to Southeast Asia.

Cheap last minute flights

Planning a quick getaway from London 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 to Southeast Asia

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

All round-trip flight deals to Southeast Asia

The cheapest plane tickets to Southeast Asia found on KAYAK recently.
5:50 pm - 7:05 pmLHR-KUL
41h 15m1 stop
8:05 pm - 1:55 pmKUL-LHR
25h 50m1 stop
$523China Eastern
Find Deal
Mon, Nov 18 - Tue, Dec 3
9:10 pm - 3:30 amLHR-KUL
22h 20m1 stop
4:30 am - 7:10 pmKUL-LHR
22h 40m1 stop
$530Shenzhen Airlines
Find Deal
Fri, Nov 15 - Sun, Dec 1
11:40 am - 4:15 pmLGW-SIN
20h 35m1 stop
9:30 am - 5:35 amSIN-LGW
28h 05m1 stop
$562Air China
Find Deal
Tue, Dec 3 - Tue, Dec 10
5:40 pm - 12:05 amLHR-MNL
22h 25m1 stop
2:55 am - 7:40 pmMNL-LHR
24h 45m1 stop
$563Air China
Find Deal
Wed, Nov 20 - Wed, Dec 18
10:00 pm - 4:35 pmLHR-MNL
34h 35m1 stop
5:40 pm - 6:15 pmMNL-LHR
32h 35m1 stop
$567China Southern
Find Deal
Sun, Dec 1 - Sun, Dec 8
10:00 pm - 7:40 amLHR-DPS
25h 40m1 stop
12:30 am - 6:15 pmDPS-LHR
25h 45m1 stop
$568China Southern
Find Deal
Sun, Dec 1 - Sun, Dec 8
9:10 am - 2:35 pmLHR-BKK
22h 25m1 stop
9:10 pm - 3:35 pmBKK-LHR
25h 25m1 stop
$706Singapore Airlines
Find Deal
Mon, Nov 18 - Sat, Dec 28
10:55 am - 5:00 pmLHR-BKK
23h 05m1 stop
9:10 pm - 3:35 pmBKK-LHR
25h 25m1 stop
$712Singapore Airlines
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Tue, Nov 19 - Sat, Dec 28
9:30 pm - 7:25 pmLHR-BKK
14h 55m1 stop
7:35 am - 5:25 pmBKK-LHR
16h 50m1 stop
$731Qatar Airways
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Tue, Mar 4 - Tue, Mar 18
9:30 pm - 7:25 pmLHR-BKK
14h 55m1 stop
8:00 pm - 6:50 amBKK-LHR
16h 50m1 stop
$732Qatar Airways
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Sun, Mar 9 - Fri, May 9
10:00 pm - 3:05 amLHR-SIN
21h 05m1 stop
$343China Southern
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Mon, Mar 3
9:10 pm - 1:20 amLHR-SGN
21h 10m1 stop
$347Shenzhen Airlines
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Mon, Nov 25
11:40 am - 12:40 amLGW-BKK
30h 00m1 stop
$388Air China
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Tue, Nov 26
11:40 am - 12:40 amLGW-BKK
30h 00m1 stop
$389Air China
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Mon, Nov 11
10:30 am - 12:55 amLGW-BKK
31h 25m1 stop
$403China Eastern
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Wed, Nov 27
9:00 pm - 9:30 amLHR-BKK
29h 30m2 stops
$414China Eastern
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Tue, Nov 19
9:25 am - 8:30 amLGW-BKK
16h 05m1 stop
$449Singapore Airlines
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Sun, Nov 24
9:25 am - 5:00 pmLGW-BKK
24h 35m1 stop
$461Singapore Airlines
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Mon, Nov 25
6:55 pm - 7:15 amLHR-SGN
29h 20m1 stop
$895Qatar Airways
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Thu, Dec 12
6:55 pm - 7:15 amLHR-SGN
29h 20m1 stop
$909Qatar Airways
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Thu, Dec 12
5:50 pm - 12:20 pmLHR-BKK
35h 30m1 stop
10:45 am - 1:55 pmBKK-LHR
34h 10m1 stop
$509China Eastern
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Thu, Nov 7 - Mon, Dec 9
5:50 pm - 1:55 amLHR-BKK
25h 05m1 stop
7:05 pm - 1:55 pmBKK-LHR
25h 50m1 stop
$526China Eastern
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Thu, Nov 7 - Thu, Nov 28
9:35 pm - 12:30 pmLHR-BKK
31h 55m1 stop
1:50 pm - 7:40 pmBKK-LHR
36h 50m1 stop
$565Air China
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Thu, Nov 7 - Fri, Dec 13
9:35 pm - 12:30 pmLHR-BKK
31h 55m1 stop
5:55 pm - 7:40 pmBKK-LHR
32h 45m1 stop
$570Air China
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Sat, Nov 9 - Fri, Nov 29
9:30 pm - 10:10 amLHR-BKK
29h 40m2 stops
2:10 am - 6:15 pmBKK-LHR
23h 05m1 stop
$639China Southern
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Thu, Nov 7 - Sun, Dec 8
9:30 pm - 4:35 pmLHR-MNL
35h 05m2 stops
5:40 pm - 5:55 pmMNL-LHR
32h 15m2 stops
$701China Southern
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Thu, Nov 7 - Sun, Nov 24
6:55 pm - 8:40 pmLHR-KUL
17h 45m1 stop
10:20 am - 7:50 pmKUL-LHR
17h 30m1 stop
$764Qatar Airways
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Sun, Nov 10 - Fri, Dec 6
6:55 pm - 8:40 pmLHR-KUL
17h 45m1 stop
10:20 am - 10:00 pmKUL-LHR
19h 40m1 stop
$765Qatar Airways
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Sun, Nov 10 - Fri, Nov 22
10:05 pm - 7:00 pmLHR-SIN
12h 55mnonstop
9:00 am - 3:35 pmSIN-LHR
14h 35mnonstop
$946Singapore Airlines
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Sun, Nov 10 - Fri, Nov 15
10:55 am - 7:50 amLHR-SIN
12h 55mnonstop
1:10 am - 7:25 amSIN-LHR
14h 15mnonstop
$956Singapore Airlines
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Sun, Nov 10 - Mon, Nov 25
9:20 am - 6:15 amLGW-SIN
12h 55mnonstop
11:55 pm - 6:20 amSIN-LGW
14h 25mnonstop
$714Singapore Airlines
Find Deal
Tue, Feb 25 - Mon, Mar 10
9:20 am - 6:15 amLGW-SIN
12h 55mnonstop
11:55 pm - 6:20 amSIN-LGW
14h 25mnonstop
$722Singapore Airlines
Find Deal
Tue, Feb 25 - Sun, Mar 9
6:55 pm - 3:55 pmLHR-SIN
13h 00mnonstop
11:15 pm - 5:40 amSIN-LHR
14h 25mnonstop
$744British Airways
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Mon, Nov 25 - Tue, Dec 3
6:55 pm - 3:55 pmLHR-SIN
13h 00mnonstop
11:15 pm - 5:40 amSIN-LHR
14h 25mnonstop
$752British Airways
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Tue, Nov 26 - Tue, Dec 3
10:25 am - 7:15 amLHR-KUL
12h 50mnonstop
9:25 am - 3:25 pmKUL-LHR
14h 00mnonstop
$840Malaysia Airlines
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Tue, Dec 3 - Tue, Dec 10
10:25 am - 7:15 amLHR-KUL
12h 50mnonstop
9:25 am - 3:25 pmKUL-LHR
14h 00mnonstop
$848Malaysia Airlines
Find Deal
Mon, Nov 18 - Thu, Dec 5
11:00 am - 6:05 amLHR-SGN
12h 05mnonstop
12:15 am - 7:15 amSGN-LHR
14h 00mnonstop
$883Vietnam Airlines
Find Deal
Mon, Dec 2 - Sun, Dec 8
11:00 am - 6:05 amLHR-SGN
12h 05mnonstop
12:15 am - 7:15 amSGN-LHR
14h 00mnonstop
$943Vietnam Airlines
Find Deal
Mon, Feb 24 - Wed, Mar 12
11:50 am - 6:15 amLHR-BKK
11h 25mnonstop
12:05 am - 6:40 amBKK-LHR
13h 35mnonstop
$973Thai Airways
Find Deal
Wed, Dec 4 - Thu, Dec 12
11:50 am - 6:15 amLHR-BKK
11h 25mnonstop
1:20 pm - 7:35 pmBKK-LHR
13h 15mnonstop
$974Thai Airways
Find Deal
Wed, Dec 4 - Wed, Dec 11

Air China flights from London to Southeast Asia

Our best Air China deals on London to Southeast Asia flight tickets
Air China
Dec 3
LGW11:40 amLondon Gatwick
20h 35m
1 stop
SIN4:15 pmSingapore Changi
Dec 10
SIN9:30 amSingapore Changi
28h 05m
1 stop
LGW5:35 amLondon Gatwick
Air China
Nov 20
LHR5:40 pmLondon Heathrow
22h 25m
1 stop
MNL12:05 amManila Ninoy Aquino Intl
Dec 18
MNL2:55 amManila Ninoy Aquino Intl
24h 45m
1 stop
LHR7:40 pmLondon Heathrow
Air China
Nov 11
LHR5:40 pmLondon Heathrow
22h 25m
1 stop
MNL12:05 amManila Ninoy Aquino Intl
Nov 27
MNL6:20 amManila Ninoy Aquino Intl
19h 30m
1 stop
LHR5:50 pmLondon Heathrow

China Eastern flights from London to Southeast Asia

Our best China Eastern deals on London to Southeast Asia flight tickets
China Eastern
Nov 18
LHR5:50 pmLondon Heathrow
41h 15m
1 stop
KUL7:05 pmKuala Lumpur Intl
Dec 3
KUL8:05 pmKuala Lumpur Intl
25h 50m
1 stop
LHR1:55 pmLondon Heathrow
China Eastern
Nov 12
LHR5:50 pmLondon Heathrow
25h 50m
1 stop
MNL3:40 amManila Ninoy Aquino Intl
Nov 21
MNL4:55 amManila Ninoy Aquino Intl
20h 35m
1 stop
LHR5:30 pmLondon Heathrow
China Eastern
Nov 13
LHR5:50 pmLondon Heathrow
37h 10m
1 stop
SIN3:00 pmSingapore Changi
Nov 24
SIN12:25 amSingapore Changi
21h 30m
1 stop
LHR1:55 pmLondon Heathrow

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

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

Shenzhen Airlines. Shenzhen Airlines, Air China, and China Southern are the most popular carriers operating from London to Southeast Asia

What is the cheapest London to Southeast Asia flight route?

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

Can stopping save me money on London to Southeast Asia flights?

You could potentially save up to 44% on your flight if you consider stops on a London to Southeast Asia flight.

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

Best Price Found

$343

Fastest flight time

11h 25m

Direct flights

Every day

Airports in Southeast Asia

7 airports
The best one-way flight to Southeast Asia from London in the past 72 hours is $343. The best round-trip flight deal from London to Southeast Asia found on momondo in the last 72 hours is $523.
The fastest flight from London to Southeast Asia takes 11h 25m
Direct flights go from London to Southeast Asia every day.
There are 7 airports near Southeast Asia: Phuket City (HKT), Kuala Lumpur Intl (KUL), Bangkok Suvarnabhumi (BKK), 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 to Southeast Asia?

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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?


Best airlines flying from London to Southeast Asia

Compare and see reviews for airlines that fly from London to Southeast Asia with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom $450Free CancellationRating
7.7
135 reviews
Search China Southern flights
Shenzhen AirlinesPriceFrom $528Free CancellationRating
7.1
12 reviews
Search Shenzhen Airlines flights
China EasternPriceFrom $551Free CancellationRating
6.9
238 reviews
Search China Eastern flights
Gulf AirPriceFrom $626Free CancellationRating
7.4
243 reviews
Search Gulf Air flights
Etihad AirwaysPriceFrom $649Free CancellationRating
7.3
1,238 reviews
Search Etihad Airways flights
FinnairPriceFrom $656Free CancellationRating
7.7
1,316 reviews
Search Finnair flights
Turkish AirlinesPriceFrom $660Free CancellationRating
7.4
3,884 reviews
Search Turkish Airlines flights
SWISSPriceFrom $679Free CancellationRating
7.6
1,646 reviews
Search SWISS flights
Oman AirPriceFrom $682Free CancellationRating
8.1
105 reviews
Search Oman Air flights
Singapore AirlinesPriceFrom $684Free CancellationRating
8.1
1,334 reviews
Search Singapore Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Southeast Asia from London.

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

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

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?

Price alerts on flights to Southeast Asia from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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