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Cheap flights from London to Southeast Asia from £239

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 17/5. 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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Fri 10/5

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Easily compare return flights from London to Southeast Asia

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to Southeast Asia by changing tabs
Air China
16 May
LHR22:00London Heathrow
36h 40m
1 stop
KUL17:40Kuala Lumpur Intl
22 May
KUL18:40Kuala Lumpur Intl
32h 35m
1 stop
LHR20:15London Heathrow
Shenzhen Airlines
31 May
LHR22:05London Heathrow
20h 35m
1 stop
MNL01:40Manila Ninoy Aquino Intl
15 Jun
MNL02:55Manila Ninoy Aquino Intl
24h 05m
1 stop
LHR20:00London Heathrow
Multiple Airlines
17 Sept
LHR10:00London Heathrow
22h 50m
1 stop
BKK14:50Bangkok Suvarnabhumi
1 Oct
BKK12:45Bangkok Suvarnabhumi
15h 00m
1 stop
LHR21:45London Heathrow
China Eastern
13 Jun
LGW11:35London Gatwick
27h 20m
1 stop
BKK20:55Bangkok Suvarnabhumi
19 Jun
BKK21:55Bangkok Suvarnabhumi
21h 55m
1 stop
LGW13:50London Gatwick
China Southern
12 May
LHR20:50London Heathrow
30h 45m
2 stops
MNL10:35Manila Ninoy Aquino Intl
23 May
MNL08:20Manila Ninoy Aquino Intl
17h 50m
1 stop
LHR19:10London Heathrow
SAUDIA
19 May
LHR21:45London Heathrow
19h 50m
1 stop
KUL00:35Kuala Lumpur Intl
5 Jul
KUL02:15Kuala Lumpur Intl
22h 10m
1 stop
LHR17:25London Heathrow

Find the cheapest one-way flights from London to Southeast Asia

If you're looking for one-way flights from London to Southeast Asia, view some of our deals below provided by Air India, SAUDIA and Singapore Airlines
Multiple Airlines
17 May
STN16:45London Stansted
58h 20m
3 stops
BKK09:05Bangkok Suvarnabhumi
SAUDIA
16 May
LHR21:45London Heathrow
19h 50m
1 stop
KUL00:35Kuala Lumpur Intl
Air India
7 May
LHR12:30London Heathrow
15h 40m
1 stop
BKK10:10Bangkok Suvarnabhumi

Search last-minute flights to Southeast Asia from London

Find and compare return flight prices for your last-minute flight from London to Southeast Asia
Air China
2 May
LHR22:00London Heathrow
20h 30m
1 stop
MNL01:30Manila Ninoy Aquino Intl
24 May
MNL06:25Manila Ninoy Aquino Intl
21h 05m
1 stop
LHR20:30London Heathrow
Shenzhen Airlines
8 May
LHR22:05London Heathrow
24h 55m
1 stop
KUL06:00Kuala Lumpur Intl
28 May
KUL20:45Kuala Lumpur Intl
30h 15m
1 stop
LHR20:00London Heathrow
China Southern
12 May
LHR20:50London Heathrow
30h 45m
2 stops
MNL10:35Manila Ninoy Aquino Intl
23 May
MNL08:20Manila Ninoy Aquino Intl
17h 50m
1 stop
LHR19:10London Heathrow
China Eastern
7 May
LHR21:20London Heathrow
21h 00m
1 stop
MNL01:20Manila Ninoy Aquino Intl
20 May
MNL03:55Manila Ninoy Aquino Intl
21h 45m
1 stop
LHR18:40London Heathrow
Multiple Airlines
2 May
LHR20:50London Heathrow
32h 00m
2 stops
MNL11:50Manila Ninoy Aquino Intl
20 May
MNL15:45Manila Ninoy Aquino Intl
33h 20m
2 stops
LHR18:05London Heathrow
Qatar Airways
7 May
LGW09:00London Gatwick
15h 10m
1 stop
BKK06:10Bangkok Suvarnabhumi
5 Jun
BKK20:00Bangkok Suvarnabhumi
16h 40m
1 stop
LGW06:40London Gatwick

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
Bamboo AirwaysPriceFrom £465Free CancellationRating
6.4
30 reviews
Search Bamboo Airways flights
Scandinavian AirlinesPriceFrom £492Free CancellationRating
7.4
1,429 reviews
Search Scandinavian Airlines flights
Royal Brunei AirlinesPriceFrom £498Free CancellationRating
7.0
16 reviews
Search Royal Brunei Airlines flights
Qantas AirwaysPriceFrom £505Free CancellationRating
7.6
991 reviews
Search Qantas Airways flights
Air FrancePriceFrom £505Free CancellationRating
7.5
1,806 reviews
Search Air France flights
KLMPriceFrom £521Free CancellationRating
7.8
1,623 reviews
Search KLM flights
Air AstanaPriceFrom £578Free CancellationRating
7.4
42 reviews
Search Air Astana flights
VistaraPriceFrom £619Free CancellationRating
7.8
247 reviews
Search Vistara flights
China AirlinesPriceFrom £622Free CancellationRating
8.2
958 reviews
Search China Airlines flights
Kenya AirwaysPriceFrom £623Free CancellationRating
7.2
377 reviews
Search Kenya Airways flights

SWISS flights from London to Southeast Asia

Our best SWISS deals on London to Southeast Asia flight tickets
SWISS
8 Sept
LHR06:00London Heathrow
21h 40m
1 stop
BKK09:40Bangkok Suvarnabhumi
1 Oct
BKK12:45Bangkok Suvarnabhumi
36h 40m
1 stop
LHR19:25London Heathrow
SWISS
8 Sept
LHR06:00London Heathrow
21h 40m
1 stop
BKK09:40Bangkok Suvarnabhumi
1 Oct
BKK12:45Bangkok Suvarnabhumi
25h 10m
1 stop
LHR07:55London Heathrow
SWISS
19 May
LCY14:20London City
13h 20m
1 stop
BKK09:40Bangkok Suvarnabhumi
11 Jun
BKK13:05Bangkok Suvarnabhumi
24h 25m
1 stop
LCY07:30London City

Qatar Airways flights from London to Southeast Asia

Our best Qatar Airways deals on London to Southeast Asia flight tickets
Qatar Airways
22 Oct
LGW09:00London Gatwick
16h 05m
1 stop
BKK07:05Bangkok Suvarnabhumi
19 Nov
BKK10:05Bangkok Suvarnabhumi
27h 05m
1 stop
LGW06:10London Gatwick
Qatar Airways
21 May
LGW09:00London Gatwick
16h 05m
1 stop
BKK07:05Bangkok Suvarnabhumi
5 Jun
BKK20:00Bangkok Suvarnabhumi
16h 40m
1 stop
LGW06:40London Gatwick
Qatar Airways
7 May
LGW09:00London Gatwick
22h 10m
1 stop
BKK13:10Bangkok Suvarnabhumi
21 May
BKK09:45Bangkok Suvarnabhumi
26h 55m
1 stop
LGW06:40London Gatwick

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

£239

Fastest flight time

13h 05m

Direct flights

Every day

Airports in Southeast Asia

4 airports
The best one-way flight to Southeast Asia from London in the past 72 hours is £239. The best return flight deal from London to Southeast Asia found on momondo in the last 72 hours is £419.
The fastest flight from London to Southeast Asia takes 13h 05m
Direct flights go from London to Southeast Asia every day.
There are 4 airports near Southeast Asia: Bangkok Suvarnabhumi (BKK), Kuala Lumpur Intl (KUL), Singapore Changi (SIN), 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 updated daily.

  • 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.


  • How do I get Price Alerts for flights from London to Southeast Asia?

    Confirm your travel details to search for the latest offers for flights from London to Southeast Asia. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from London to Southeast Asia with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.


Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Southeast Asia. momondo saves you time and could save you money on your trip.

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?

momondo provides multiple filters to help you find the best flight to Southeast Asia from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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Find better results for your stay in Southeast Asia

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