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Cheap flights from London Heathrow Airport to Southeast Asia from $456

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 20/4. 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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Find the cheapest flights from London Heathrow Airport to Southeast Asia

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Southeast Asia.
17:30 - 13:45LHR-BKK
38h 15m2 stops
15:25 - 07:30BKK-LHR
22h 05m1 stop
$666SAUDIA
Find Deal
Sun, 4 May - Sat, 17 May
06:30 - 15:40LHR-KUL
26h 10m1 stop
21:20 - 10:45KUL-LHR
20h 25m2 stops
$671KLM
Find Deal
Fri, 9 May - Thu, 15 May
22:10 - 15:40LHR-KUL
34h 30m1 stop
16:55 - 19:00KUL-LHR
33h 05m1 stop
$869China Southern
Find Deal
Mon, 12 May - Mon, 19 May
20:25 - 23:00LHR-KUL
19h 35m1 stop
00:10 - 20:30KUL-LHR
27h 20m1 stop
$942Air China
Find Deal
Mon, 12 May - Sun, 18 May
21:00 - 12:25LHR-KUL
32h 25m2 stops
18:00 - 19:00KUL-LHR
32h 00m1 stop
$946China Southern
Find Deal
Mon, 12 May - Mon, 19 May
21:45 - 09:40LHR-SIN
28h 55m1 stop
21:10 - 07:00SIN-LHR
16h 50m1 stop
$992Etihad Airways
Find Deal
Tue, 13 May - Tue, 20 May
09:30 - 09:40LHR-SIN
17h 10m1 stop
21:10 - 07:00SIN-LHR
16h 50m1 stop
$993Etihad Airways
Find Deal
Mon, 5 May - Tue, 20 May
20:25 - 03:10LHR-BKK
24h 45m2 stops
01:30 - 20:30BKK-LHR
25h 00m1 stop
$1,001Air China
Find Deal
Thu, 15 May - Mon, 19 May
11:25 - 07:30LHR-SIN
13h 05mdirect
09:00 - 15:45SIN-LHR
13h 45mdirect
$1,217Singapore Airlines
Find Deal
Wed, 10 Sep - Tue, 30 Sep
22:05 - 18:10LHR-SIN
13h 05mdirect
01:10 - 07:45SIN-LHR
13h 35mdirect
$1,241Singapore Airlines
Find Deal
Tue, 6 May - Mon, 12 May

SAUDIA flights from London Heathrow Airport to Southeast Asia

Our best SAUDIA deals on London Heathrow Airport to Southeast Asia flight tickets
SAUDIA
4 May
LHR17:30London Heathrow
38h 15m
2 stops
BKK13:45Bangkok Suvarnabhumi
17 May
BKK15:25Bangkok Suvarnabhumi
22h 05m
1 stop
LHR07:30London Heathrow
SAUDIA
4 May
LHR17:30London Heathrow
38h 15m
2 stops
BKK13:45Bangkok Suvarnabhumi
16 May
BKK15:25Bangkok Suvarnabhumi
28h 50m
2 stops
LHR14:15London Heathrow
SAUDIA
9 May
LHR14:40London Heathrow
26h 55m
1 stop
KUL00:35Kuala Lumpur Intl
15 May
KUL02:15Kuala Lumpur Intl
25h 15m
1 stop
LHR20:30London Heathrow

China Eastern flights from London Heathrow Airport to Southeast Asia

Our best China Eastern deals on London Heathrow Airport to Southeast Asia flight tickets
China Eastern
15 May
LHR21:20London Heathrow
17h 35m
1 stop
BKK20:55Bangkok Suvarnabhumi
19 May
BKK02:10Bangkok Suvarnabhumi
22h 30m
1 stop
LHR18:40London Heathrow
China Eastern
10 May
LHR21:20London Heathrow
25h 20m
1 stop
KUL05:40Kuala Lumpur Intl
17 May
KUL20:05Kuala Lumpur Intl
29h 35m
1 stop
LHR18:40London Heathrow

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 cheapest month to fly to Southeast Asia from London Heathrow Airport is in March. Flight prices, which tend to average around $1,510, are often lower during this time because this is during the off-season. The month of November is another great option to travel to Southeast Asia, with average flight prices from London Heathrow Airport averaging around $1,519.

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

Our data shows that Sunday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as $0. On the other hand, Thursday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $2,227.

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

At midday 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 $0. Flying to Southeast Asia at midday is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive, with an average ticket price of $1,750.

What is the cheapest London Heathrow to Southeast Asia flight route?

Fly from London Heathrow to Bangkok Suvarnabhumi 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 18 weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $1,762 when searching 18 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 $1,635 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

$456

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 Heathrow Airport in the past 72 hours is $456. The best return flight deal from London Heathrow Airport to Southeast Asia found on momondo in the last 72 hours is $666.
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 5 airports near Southeast Asia: Phuket City (HKT), Bangkok Suvarnabhumi (BKK), Kuala Lumpur Intl (KUL), Denpasar Bali Ngurah Rai (DPS), Singapore Changi (SIN)

  • 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 are updated daily.

  • 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?

    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 Heathrow Airport to Southeast Asia.

  • What documentation or ID do you need to fly to Southeast Asia?

    The travel and health documents required for your trip to Southeast Asia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Southeast Asia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
Air ChinaPriceFrom $904Free cancellationRating
7.1
81 reviews
Search Air China flights
Singapore AirlinesPriceFrom $1,120Free cancellationRating
8.1
1,285 reviews
Search Singapore Airlines flights
Thai AirwaysPriceFrom $1,231Free cancellationRating
7.8
317 reviews
Search Thai Airways flights
Etihad AirwaysPriceFrom $1,384Free cancellationRating
7.4
1,181 reviews
Search Etihad Airways 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. 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?

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?

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.


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