Question 1

What are the cheapest airlines to fly from Southeast Asia to London Heathrow Airport one-way?

Accepted Answer

The cheapet airlines for a one-way flight from Southeast Asia to London Heathrow Airport are Qatar Airways ($482), Emirates ($512), and British Airways ($630).

Question 2

How far ahead should I book a flight from Southeast Asia to London Heathrow Airport?

Accepted Answer

The price you pay for your flight from Southeast Asia to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 3

What is the cheapest month to book a flight from Southeast Asia to London Heathrow Airport?

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Southeast Asia to London Heathrow Airport (average of $1,209). Flying from Southeast Asia to London Heathrow Airport in August is currently the most expensive (average of $1,649). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 4

Weekly flight availability from Southeast Asia to London Heathrow Airport

Accepted Answer

The most flights from zzYJX to LHR are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 7

What are the most popular routes from Southeast Asia to London Heathrow Airport?

Accepted Answer

When deciding which route to take from Southeast Asia to London Heathrow Airport, consider Kuala Lumpur Intl - London Heathrow, Singapore Changi - London Heathrow or Jakarta Soekarno-Hatta Intl - London Heathrow, as they are the most popular.

Question 8

What are the most reliable airlines from Southeast Asia to London Heathrow Airport?

Accepted Answer

Before booking your flight to London Heathrow Airport from Southeast Asia, have a look at the most reliable airlines to get you to your destination on time: Air Canada (74%), TAP AIR PORTUGAL (74%), Thai Airways( 64%).

Question 9

What are the most popular airlines that fly from Southeast Asia to London Heathrow Airport?

Accepted Answer

When booking a flight from Southeast Asia to London Heathrow Airport, you may want to consider flying on Etihad Airways, Emirates or Singapore Airlines as they are the most popular for this route.

Question 10

What is the cheapest time of day to fly from YJX to LHR?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southeast Asia to London Heathrow Airport as you normally would.

Question 11

Can I find deals for flights from Southeast Asia to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Southeast Asia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 12

How can I find direct flights from Southeast Asia to Heathrow?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southeast Asia to Heathrow.

Question 13

Can I find deals for business class flights from Southeast Asia to Heathrow?

Accepted Answer

Yes. Cheapflights offers flight deals from Southeast Asia to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 14

How does Cheapflights help users find flights from Southeast Asia to Heathrow?

Accepted Answer

Deals for Southeast Asia to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 15

Why should you use Cheapflights to find cheap flight tickets from Southeast Asia to Heathrow?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Southeast Asia to Heathrow.

Question 16

Can Cheapflights find flights from Southeast Asia to Heathrow with no change fees?

Accepted Answer

Certainly. Search results for flights to Heathrow from Southeast Asia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 17

Can Cheapflights notify me if prices for flights from Southeast Asia to Heathrow become cheaper?

Accepted Answer

Not ready to book yet? You can track prices for flights from Southeast Asia to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$1,008	Average$1,458	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Emirates	Cheapest$1,039	Average$1,263	FlexibilityNo cancel fee	On-time75%	Search Emirates flights
Etihad Airways	Cheapest$1,044	Average$1,354	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Singapore Airlines	Cheapest$1,322	Average$1,474	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Cheap flights from Southeast Asia to London Heathrow Airport

Cheapflights Insights

How far ahead should I book a flight from Southeast Asia to London Heathrow Airport?

The price you pay for your flight from Southeast Asia to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Southeast Asia to London Heathrow Airport?

What is the cheapest time of day to fly from YJX to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southeast Asia to London Heathrow Airport as you normally would.

Weekly flight availability from Southeast Asia to London Heathrow Airport

The most flights from zzYJX to LHR are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Heathrow

Related info for your journey

What are the cheapest airlines to fly from Southeast Asia to London Heathrow Airport one-way?

What are the most popular routes from Southeast Asia to London Heathrow Airport?

What are the most reliable airlines from Southeast Asia to London Heathrow Airport?

Can I find deals for flights from Southeast Asia to Heathrow that include hotel bookings?

How can I find direct flights from Southeast Asia to Heathrow?

Can I find deals for business class flights from Southeast Asia to Heathrow?

What is the cheapest month to book a flight from Southeast Asia to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Alternative routes for Southeast Asia to Heathrow

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Complete your trip

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

Southeast Asia and Heathrow flights

Browse other Southeast Asia and Heathrow flight options. Last updated on 30 October 2026.

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Top 4 airlines flying from Southeast Asia to Heathrow

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How does Cheapflights help users find flights from Southeast Asia to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Southeast Asia to Heathrow?

Can Cheapflights find flights from Southeast Asia to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Southeast Asia to Heathrow become cheaper?

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