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Cheap flights from London Heathrow Airport to Southeast Asia from $287

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 4/26. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from London Heathrow Airport to Southeast Asia.
5:30 pm - 12:10 amLHR-BKK
24h 40m1 stop
3:25 pm - 7:30 amBKK-LHR
22h 05m1 stop
$414SAUDIA
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Sun, May 18 - Tue, Jun 10
5:50 pm - 7:35 amLHR-CGK
31h 45m2 stops
12:40 am - 8:30 pmCGK-LHR
25h 50m1 stop
$417SAUDIA
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Mon, Apr 21 - Thu, May 1
10:10 pm - 10:00 pmLHR-BKK
17h 50m1 stop
3:05 pm - 7:00 pmBKK-LHR
33h 55m1 stop
$505China Southern
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Mon, Apr 28 - Wed, May 28
10:10 pm - 1:30 amLHR-BKK
21h 20m1 stop
8:20 am - 7:00 pmBKK-LHR
16h 40m1 stop
$514China Southern
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Thu, May 1 - Thu, May 29
8:25 pm - 12:20 amLHR-MNL
20h 55m1 stop
6:25 am - 5:45 pmMNL-LHR
18h 20m1 stop
$587Air China
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Sun, Apr 20 - Tue, May 13
10:40 pm - 12:20 amLHR-MNL
18h 40m1 stop
6:25 am - 5:45 pmMNL-LHR
18h 20m1 stop
$598Air China
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Sat, Sep 6 - Mon, Sep 29
1:45 pm - 2:45 pmLHR-KUL
18h 00m1 stop
2:55 am - 1:15 pmKUL-LHR
17h 20m1 stop
$782Qatar Airways
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Tue, May 20 - Sat, May 24
8:05 am - 7:50 amLHR-HKT
17h 45m1 stop
9:20 am - 7:30 amHKT-LHR
28h 10m1 stop
$812Qatar Airways
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Tue, May 6 - Thu, May 22
10:05 pm - 3:10 pmLHR-LGK
34h 05m1 stop
11:15 am - 3:45 pmLGK-LHR
35h 30m2 stops
$1,491Singapore Airlines
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Sat, Aug 9 - Sat, Aug 23
11:25 am - 7:20 pmLHR-LGK
24h 55m1 stop
11:15 am - 3:45 pmLGK-LHR
35h 30m2 stops
$1,600Singapore Airlines
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Sat, Aug 9 - Sat, Aug 23

SAUDIA flights from London Heathrow Airport to Southeast Asia

Our best SAUDIA deals on London Heathrow Airport to Southeast Asia flight tickets
SAUDIA
May 18
LHR5:30 pmLondon Heathrow
24h 40m
1 stop
BKK12:10 amBangkok Suvarnabhumi
Jun 10
BKK3:25 pmBangkok Suvarnabhumi
22h 05m
1 stop
LHR7:30 amLondon Heathrow
$414
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SAUDIA
Apr 21
LHR5:50 pmLondon Heathrow
31h 45m
2 stops
CGK7:35 amJakarta Soekarno-Hatta Intl
May 1
CGK12:40 amJakarta Soekarno-Hatta Intl
25h 50m
1 stop
LHR8:30 pmLondon Heathrow
$417
Find similar
SAUDIA
May 4
LHR5:30 pmLondon Heathrow
38h 15m
2 stops
BKK1:45 pmBangkok Suvarnabhumi
May 13
BKK3:25 pmBangkok Suvarnabhumi
22h 05m
1 stop
LHR7:30 amLondon Heathrow
$419
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Hainan Airlines flights from London Heathrow Airport to Southeast Asia

Our best Hainan Airlines deals on London Heathrow Airport to Southeast Asia flight tickets
Hainan Airlines
Apr 25
LHR10:00 pmLondon Heathrow
30h 00m
2 stops
BKK10:00 amBangkok Suvarnabhumi
May 1
BKK1:30 amBangkok Suvarnabhumi
24h 00m
2 stops
LHR7:30 pmLondon Heathrow
$632
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Hainan Airlines
Apr 7
LHR10:00 pmLondon Heathrow
30h 00m
2 stops
SIN11:00 amSingapore Changi
Apr 13
SIN12:05 pmSingapore Changi
38h 25m
2 stops
LHR7:30 pmLondon Heathrow
$806
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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 $820. 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 $826.

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 Monday when prices can be found for as low as $1,006. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,078. 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 $1,072. 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 Singapore Changi for the best London Heathrow - 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 Heathrow Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $930 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 Heathrow Airport for as low as $860 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.

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

$287

Fastest flight time

11h 30m

Direct flights

Every day

Airports in Southeast Asia

8 airports
The best one-way flight to Southeast Asia from London Heathrow Airport in the past 72 hours is $287. The best round-trip flight deal from London Heathrow Airport to Southeast Asia found on momondo in the last 72 hours is $414.
The fastest flight from London Heathrow Airport to Southeast Asia takes 11h 30m
Direct flights go from London Heathrow Airport to Southeast Asia every day.
There are 8 airports near Southeast Asia: Bangkok Suvarnabhumi (BKK), Kuala Lumpur Intl (KUL), Hanoi Noibai (HAN), Jakarta Soekarno-Hatta Intl (CGK), Denpasar Bali Ngurah Rai (DPS), Singapore Changi (SIN), Manila Ninoy Aquino Intl (MNL), Ho Chi Minh City (SGN)
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  • 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
SAUDIAPriceFrom $407Free CancellationRating
7.4
605 reviews
Search SAUDIA flights
Shenzhen AirlinesPriceFrom $457Free CancellationRating
6.1
11 reviews
Search Shenzhen Airlines flights
Gulf AirPriceFrom $514Free CancellationRating
7.1
200 reviews
Search Gulf Air flights
China EasternPriceFrom $520Free CancellationRating
7.1
136 reviews
Search China Eastern flights
China SouthernPriceFrom $570Free CancellationRating
7.5
94 reviews
Search China Southern flights
Air IndiaPriceFrom $603Free CancellationRating
5.5
2,887 reviews
Search Air India flights
British AirwaysPriceFrom $639Free CancellationRating
6.6
6,712 reviews
Search British Airways flights
Etihad AirwaysPriceFrom $652Free CancellationRating
7.4
1,180 reviews
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Kuwait AirwaysPriceFrom $674Free CancellationRating
7.1
299 reviews
Search Kuwait Airways flights
SWISSPriceFrom $679Free CancellationRating
7.5
1,570 reviews
Search SWISS 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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