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Cheap flights from London to Southeast Asia from €233

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 29/4. 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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0 bags

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Find the cheapest flights from London to Southeast Asia

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London to Southeast Asia.
17:10 - 15:40LHR-KUL
15h 30m1 stop
21:20 - 10:45KUL-LHR
20h 25m2 stops
€420KLM
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Mon, 12 May - Sat, 17 May
22:10 - 05:00LHR-KUL
23h 50m1 stop
17:35 - 12:40KUL-LHR
26h 05m1 stop
€426SAUDIA
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Sun, 11 May - Sun, 18 May
11:25 - 12:20LGW-SIN
17h 55m1 stop
20:00 - 06:55SIN-LGW
17h 55m1 stop
€513Gulf Air
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Sun, 20 Apr - Tue, 6 May
22:10 - 12:25LHR-KUL
31h 15m1 stop
14:45 - 19:00KUL-LHR
35h 15m1 stop
€517China Southern
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Mon, 21 Apr - Thu, 15 May
18:00 - 05:25LGW-SIN
28h 25m1 stop
23:10 - 15:10SIN-LGW
23h 00m1 stop
€519China Eastern
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Thu, 8 May - Thu, 22 May
18:00 - 16:55LGW-SIN
39h 55m1 stop
16:35 - 15:10SIN-LGW
29h 35m1 stop
€531China Eastern
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Thu, 1 May - Thu, 15 May
22:05 - 02:15LHR-BKK
22h 10m1 stop
03:15 - 19:50BKK-LHR
22h 35m1 stop
€534Shenzhen Airlines
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Sat, 14 Jun - Sun, 22 Jun
22:05 - 18:30LHR-BKK
38h 25m1 stop
19:30 - 20:00BKK-LHR
30h 30m1 stop
€535Shenzhen Airlines
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Sat, 31 May - Sat, 7 Jun
11:25 - 12:20LGW-SIN
17h 55m1 stop
20:00 - 06:55SIN-LGW
17h 55m1 stop
€541Gulf Air
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Wed, 23 Apr - Tue, 20 May
22:10 - 22:00LHR-BKK
17h 50m1 stop
03:00 - 18:05BKK-LHR
21h 05m2 stops
€550China Southern
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Thu, 1 May - Tue, 13 May

Finnair flights from London to Southeast Asia

Our best Finnair deals on London to Southeast Asia flight tickets
Finnair
5 Sept
LHR09:30London Heathrow
38h 00m
1 stop
BKK05:30Bangkok Suvarnabhumi
13 Sept
BKK07:10Bangkok Suvarnabhumi
38h 00m
1 stop
LHR15:10London Heathrow
Finnair
8 Apr
LHR09:30London Heathrow
38h 00m
1 stop
BKK05:30Bangkok Suvarnabhumi
23 Oct
BKK07:05Bangkok Suvarnabhumi
32h 05m
1 stop
LHR09:10London Heathrow

China Southern flights from London to Southeast Asia

Our best China Southern deals on London to Southeast Asia flight tickets
China Southern
21 Apr
LHR22:10London Heathrow
31h 15m
1 stop
KUL12:25Kuala Lumpur Intl
15 May
KUL14:45Kuala Lumpur Intl
35h 15m
1 stop
LHR19:00London Heathrow
China Southern
1 May
LHR22:10London Heathrow
17h 50m
1 stop
BKK22:00Bangkok Suvarnabhumi
13 May
BKK03:00Bangkok Suvarnabhumi
21h 05m
2 stops
LHR18:05London Heathrow
China Southern
24 Apr
LHR22:10London Heathrow
21h 20m
1 stop
BKK01:30Bangkok Suvarnabhumi
8 May
BKK13:45Bangkok Suvarnabhumi
35h 15m
1 stop
LHR19:00London Heathrow

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 month to fly to Southeast Asia?

The cheapest month to fly to Southeast Asia from London is in May. Flight prices, which tend to average around €576, are often lower during this time because this is during the off-season. If you’re not able to fly to Southeast Asia in May, then September is your next best option. Flight prices from London to Southeast Asia during September average around €686.

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

The cheapest day to depart from London to Southeast Asia is on a Monday. Travellers who choose to depart for Southeast Asia on a Monday will often find tickets for as low as €0. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around €1,560. 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?

Our most recent data shows that the best time of day to fly to Southeast Asia is at midday. Flights from London to Southeast Asia during this time can be as low as €0. Flights to Southeast Asia are more costly in the morning, with an average ticket price of €1,277. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Southeast Asia flight route?

Fly from London Gatwick to Singapore Changi for the best London - Southeast Asia flight prices

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

You are more likely to see cheaper flights to Southeast Asia from London when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around €863 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from London for as low as €797 on momondo.

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

There are 2 cabin classes available to choose from on London to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

€233

Fastest flight time

11h 30m

Direct flights

Every day

Airports in Southeast Asia

5 airports
The best one-way flight to Southeast Asia from London in the past 72 hours is €233. The best return flight deal from London to Southeast Asia found on momondo in the last 72 hours is €420.
The fastest flight from London to Southeast Asia takes 11h 30m
Direct flights go from London to Southeast Asia every day.
There are 5 airports near Southeast Asia: Bangkok Suvarnabhumi (BKK), Kuala Lumpur Intl (KUL), Denpasar Bali Ngurah Rai (DPS), Singapore Changi (SIN), 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 refresh daily.

  • 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 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 licence 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 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 €503Free CancellationRating
7.1
81 reviews
Search Air China flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Southeast Asia . Millions of users trust and use momondo every year so you are in good hands.

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 can track prices for London to Southeast Asia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Popular Cities in Southeast Asia

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