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Cheap flights from London to Southeast Asia from C$ 399

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 26/3. 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.
9:10 p.m. - 1:40 a.m.LHR-MNL
20h 30m1 stop
2:55 a.m. - 7:10 p.m.MNL-LHR
24h 15m1 stop
C$ 746Shenzhen Airlines
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Sun, 1 Dec - Thu, 12 Dec
9:10 p.m. - 1:40 a.m.LHR-MNL
20h 30m1 stop
2:55 a.m. - 7:10 p.m.MNL-LHR
24h 15m1 stop
C$ 750Shenzhen Airlines
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Fri, 28 Feb - Thu, 13 Mar
5:40 p.m. - 12:05 a.m.LHR-MNL
22h 25m1 stop
2:55 a.m. - 7:40 p.m.MNL-LHR
24h 45m1 stop
C$ 818Air China
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Fri, 17 Jan - Wed, 26 Feb
3:45 p.m. - 5:55 a.m.LHR-MNL
30h 10m2 stops
5:40 p.m. - 4:05 p.m.MNL-LHR
30h 25m2 stops
C$ 883KLM
Find Deal
Tue, 25 Feb - Wed, 19 Mar
6:30 a.m. - 9:30 a.m.LHR-BKK
21h 00m1 stop
12:05 p.m. - 8:55 p.m.BKK-LHR
14h 50m1 stop
C$ 917KLM
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Sun, 30 Mar - Mon, 12 May
5:40 p.m. - 12:05 a.m.LHR-MNL
22h 25m1 stop
6:20 a.m. - 3:55 p.m.MNL-LHR
17h 35m1 stop
C$ 924Air China
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Fri, 17 Jan - Thu, 27 Feb
8:40 a.m. - 9:30 a.m.LHR-BKK
18h 50m1 stop
11:10 a.m. - 9:25 p.m.BKK-LHR
16h 15m1 stop
C$ 924
Find Deal
Tue, 6 May - Sun, 6 Jul
9:55 a.m. - 9:30 a.m.LHR-BKK
17h 35m1 stop
11:10 a.m. - 9:25 p.m.BKK-LHR
16h 15m1 stop
C$ 925
Find Deal
Tue, 6 May - Tue, 20 May
6:10 p.m. - 1:15 p.m.LHR-BKK
36h 05m1 stop
7:05 a.m. - 3:10 p.m.BKK-LHR
38h 05m1 stop
C$ 965Finnair
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Sun, 9 Mar - Tue, 10 Jun
4:10 p.m. - 5:25 a.m.LHR-BKK
31h 15m1 stop
7:05 a.m. - 3:10 p.m.BKK-LHR
38h 05m1 stop
C$ 966Finnair
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Tue, 6 May - Tue, 3 Jun
8:05 a.m. - 2:25 p.m.LGW-BKK
23h 20m2 stops
C$ 399
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Wed, 26 Mar
9:20 a.m. - 10:10 a.m.LGW-BKK
18h 50m1 stop
C$ 417
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Sat, 26 Apr
9:10 p.m. - 2:05 a.m.LHR-BKK
21h 55m1 stop
C$ 484Shenzhen Airlines
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Mon, 25 Nov
9:10 p.m. - 1:40 a.m.LHR-MNL
20h 30m1 stop
C$ 487Shenzhen Airlines
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Sun, 2 Feb
9:00 p.m. - 10:05 a.m.LHR-BKK
30h 05m2 stops
C$ 539Hainan Airlines
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Fri, 21 Mar
11:35 a.m. - 12:10 a.m.LGW-BKK
29h 35m1 stop
C$ 592Air China
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Fri, 17 Jan
9:00 p.m. - 10:05 a.m.LHR-BKK
30h 05m2 stops
C$ 598Hainan Airlines
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Fri, 17 Jan
8:25 p.m. - 12:10 a.m.LHR-BKK
20h 45m1 stop
C$ 633Air China
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Fri, 21 Mar
8:25 p.m. - 12:55 p.m.LGW-BKK
33h 30m1 stop
C$ 707Emirates
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Mon, 27 Jan
8:25 p.m. - 7:35 a.m.LGW-BKK
28h 10m1 stop
C$ 708Emirates
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Wed, 22 Jan
9:10 p.m. - 2:05 a.m.LHR-BKK
21h 55m1 stop
12:10 p.m. - 7:10 p.m.BKK-LHR
38h 00m1 stop
C$ 907Shenzhen Airlines
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Mon, 25 Nov - Thu, 5 Dec
9:10 p.m. - 2:05 a.m.LHR-BKK
21h 55m1 stop
12:10 p.m. - 7:10 p.m.BKK-LHR
38h 00m1 stop
C$ 909Shenzhen Airlines
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Mon, 25 Nov - Thu, 5 Dec
9:10 p.m. - 2:05 a.m.LHR-BKK
21h 55m1 stop
7:30 p.m. - 7:10 p.m.BKK-LHR
30h 40m1 stop
C$ 934Shenzhen Airlines
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Mon, 25 Nov - Fri, 6 Dec
8:55 p.m. - 6:35 p.m.LHR-BKK
14h 40m1 stop
8:50 a.m. - 6:45 a.m.BKK-LHR
28h 55m1 stop
C$ 1,009Etihad Airways
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Sun, 24 Nov - Wed, 4 Dec
10:55 a.m. - 6:45 p.m.LHR-BKK
24h 50m1 stop
8:00 p.m. - 7:25 a.m.BKK-LHR
18h 25m1 stop
C$ 1,028Singapore Airlines
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Fri, 22 Nov - Tue, 24 Dec
4:00 p.m. - 12:50 p.m.LHR-BKK
13h 50m1 stop
7:35 a.m. - 5:25 p.m.BKK-LHR
16h 50m1 stop
C$ 1,036British Airways
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Sun, 24 Nov - Thu, 5 Dec
6:20 a.m. - 8:10 a.m.LHR-BKK
18h 50m1 stop
11:30 a.m. - 7:40 a.m.BKK-LHR
27h 10m2 stops
C$ 1,050
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Sun, 24 Nov - Tue, 3 Dec
1:55 p.m. - 6:35 p.m.LHR-BKK
21h 40m1 stop
2:15 a.m. - 6:45 a.m.BKK-LHR
35h 30m1 stop
C$ 1,068Etihad Airways
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Mon, 25 Nov - Mon, 9 Dec
2:55 p.m. - 6:45 p.m.LHR-BKK
20h 50m1 stop
7:35 a.m. - 5:25 p.m.BKK-LHR
16h 50m1 stop
C$ 1,079British Airways
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Mon, 25 Nov - Tue, 10 Dec
4:00 p.m. - 12:50 p.m.LHR-BKK
13h 50m1 stop
6:55 p.m. - 5:50 a.m.BKK-LHR
17h 55m1 stop
C$ 1,091
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Sun, 24 Nov - Fri, 27 Dec
9:15 p.m. - 4:10 p.m.LGW-BKK
11h 55mdirect
10:55 p.m. - 6:30 a.m.BKK-LGW
13h 35mdirect
C$ 1,247British Airways
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Fri, 21 Mar - Tue, 8 Apr
9:15 p.m. - 4:10 p.m.LGW-BKK
11h 55mdirect
10:55 p.m. - 6:30 a.m.BKK-LGW
13h 35mdirect
C$ 1,249British Airways
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Mon, 3 Mar - Sun, 30 Mar
9:15 p.m. - 4:10 p.m.LGW-BKK
11h 55mdirect
10:55 p.m. - 6:30 a.m.BKK-LGW
13h 35mdirect
C$ 1,252British Airways
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Mon, 10 Mar - Sun, 30 Mar
9:15 p.m. - 4:10 p.m.LGW-BKK
11h 55mdirect
10:55 p.m. - 6:30 a.m.BKK-LGW
13h 35mdirect
C$ 1,257British Airways
Find Deal
Mon, 17 Mar - Tue, 8 Apr
9:15 p.m. - 4:10 p.m.LGW-BKK
11h 55mdirect
10:55 p.m. - 6:30 a.m.BKK-LGW
13h 35mdirect
C$ 1,259British Airways
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Mon, 3 Mar - Tue, 1 Apr
9:20 p.m. - 3:45 p.m.LHR-BKK
11h 25mdirect
12:50 p.m. - 7:25 p.m.BKK-LHR
12h 35mdirect
C$ 1,273EVA Air
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Tue, 11 Mar - Thu, 12 Jun
9:35 p.m. - 3:30 p.m.LHR-BKK
11h 55mdirect
12:50 p.m. - 7:25 p.m.BKK-LHR
12h 35mdirect
C$ 1,275EVA Air
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Tue, 6 May - Tue, 10 Jun
9:35 p.m. - 4:00 p.m.LHR-BKK
11h 25mdirect
12:55 a.m. - 7:15 a.m.BKK-LHR
12h 20mdirect
C$ 1,723Thai Airways
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Fri, 14 Mar - Wed, 23 Apr
11:50 a.m. - 6:15 a.m.LHR-BKK
11h 25mdirect
12:55 a.m. - 7:15 a.m.BKK-LHR
12h 20mdirect
C$ 1,793Thai Airways
Find Deal
Mon, 24 Mar - Wed, 16 Apr
9:20 p.m. - 3:45 p.m.LHR-BKK
11h 25mdirect
12:50 p.m. - 7:10 p.m.BKK-LHR
12h 20mdirect
C$ 2,014
Find Deal
Fri, 28 Mar - Thu, 24 Apr

Gulf Air flights from London to Southeast Asia

Our best Gulf Air deals on London to Southeast Asia flight tickets
Gulf Air
13 Mar
LHR9:30 a.m.London Heathrow
16h 45m
1 stop
BKK9:15 a.m.Bangkok Suvarnabhumi
10 Jun
BKK7:15 p.m.Bangkok Suvarnabhumi
25h 30m
1 stop
LHR2:45 p.m.London Heathrow
Gulf Air
8 May
LHR9:30 a.m.London Heathrow
17h 45m
1 stop
BKK9:15 a.m.Bangkok Suvarnabhumi
10 Jun
BKK7:15 p.m.Bangkok Suvarnabhumi
25h 30m
1 stop
LHR2:45 p.m.London Heathrow
Gulf Air
2 Dec
LHR9:30 a.m.London Heathrow
16h 45m
1 stop
BKK9:15 a.m.Bangkok Suvarnabhumi
17 Dec
BKK7:15 p.m.Bangkok Suvarnabhumi
18h 20m
1 stop
LHR6:35 a.m.London Heathrow
C$ 1,099
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Qatar Airways flights from London to Southeast Asia

Our best Qatar Airways deals on London to Southeast Asia flight tickets
Qatar Airways
26 Nov
LHR9:30 p.m.London Heathrow
14h 15m
1 stop
BKK6:45 p.m.Bangkok Suvarnabhumi
4 Dec
BKK8:10 a.m.Bangkok Suvarnabhumi
16h 15m
1 stop
LHR5:25 p.m.London Heathrow
C$ 1,011
Find similar
Qatar Airways
12 May
LGW2:55 p.m.London Gatwick
16h 15m
1 stop
BKK1:10 p.m.Bangkok Suvarnabhumi
10 Jul
BKK8:00 p.m.Bangkok Suvarnabhumi
16h 40m
1 stop
LGW6:40 a.m.London Gatwick
C$ 1,012
Find similar
Qatar Airways
10 Feb
LHR6:55 p.m.London Heathrow
17h 30m
1 stop
BKK7:25 p.m.Bangkok Suvarnabhumi
13 Mar
BKK7:35 a.m.Bangkok Suvarnabhumi
21h 25m
1 stop
LHR10:00 p.m.London Heathrow
C$ 1,015
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See travel insights to Southeast Asia from

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 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 54% 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

C$ 399

Fastest flight time

11h 25m

Direct flights

Every day

Airports in Southeast Asia

3 airports
The best one-way flight to Southeast Asia from London in the past 72 hours is C$ 399. The best round-trip flight deal from London to Southeast Asia found on momondo in the last 72 hours is C$ 746.
The fastest flight from London to Southeast Asia takes 11h 25m
Direct flights go from London to Southeast Asia every day.
There are 3 airports near Southeast Asia: Phuket City (HKT), Bangkok Suvarnabhumi (BKK), Manila Ninoy Aquino Intl (MNL)

  • 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 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 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
Air ChinaPriceFrom C$ 812Free CancellationRating
7.1
157 reviews
Search Air China flights
EVA AirPriceFrom C$ 1,278Free CancellationRating
8.4
1,308 reviews
Search EVA Air 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?

Yes. momondo enables you to select and highlight flights to Southeast Asia from London with this policy.

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

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