Cheap flights from Southeast Asia to London Heathrow Airport

BKK — LHR
30 Jul — 6 Aug1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Southeast Asia to Heathrow

Keep the following information in mind while searching for Southeast Asia to Heathrow flight deals. Data was last updated 30 June 2026.

Round-trip from

$988

One-way from

$437
Etihad Airways
  • Etihad Airways
  • 14/9-6/11
  • 2 total stops
  • 55h 35m total
  • Southeast Asia to London
Etihad Airways
  • Etihad Airways
  • 14/9
  • 1 total stop
  • 33h 55m total
  • Southeast Asia to London

Cheapflights Insights

Everything you need to know about your flight from Southeast Asia to London Heathrow Airport

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?

Currently, November is the cheapest month in which you can book a flight from Southeast Asia to London Heathrow Airport (average of $1,274). Flying from Southeast Asia to London Heathrow Airport in January is currently the most expensive (average of $1,804). 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.

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

Find hourly flight availability from Southeast Asia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 June 2026.

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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 30 June 2026.
Get a feel of what it's like to fly with Singapore Airlines,Emirates, andEtihad Airways from Southeast Asia to London Heathrow Airport by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Overall

8.2

Crew

8.6

Comfort

8.0

Food

7.8

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Related info for your journey

Find useful and relevant information for your journey from Southeast Asia to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Southeast Asia to London Heathrow Airport?

    For as low as $1,088, Etihad Airways can have you in London Heathrow Airport from Southeast Asia in 14h 10m. The distance between Southeast Asia and London Heathrow Airport is about 10874 km. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapet airlines for a one-way flight from Southeast Asia to London Heathrow Airport are Qatar Airways ($493), Emirates ($523), and Singapore Airlines ($564).

  • 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?

    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 (85%), TAP AIR PORTUGAL (84%), Thai Airways( 70%).

  • What are the cheapest flights from Southeast Asia to London Heathrow Airport?

    While on average a flight from Southeast Asia to London Heathrow Airport is generally $856, our data shows the cheapest flight currently is $807. When looking at the most popular route, (Singapore Changi - London Heathrow), you can expect to pay $1,037 for that flight.

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

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

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

    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.

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

    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.

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

    Currently, November is the cheapest month in which you can book a flight from Southeast Asia to London Heathrow Airport (average of $1,274). Flying from Southeast Asia to London Heathrow Airport in January is currently the most expensive (average of $1,804). 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Kingston upon Thames
Salisbury
St. Albans
Horsham
Luton
Dover
Aylesbury
Guildford
Stansted
Braintree
Brentford
Gatwick
Chertsey
Orpington
Teddington

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southeast Asia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Southeast Asia to Heathrow

Discover the top 4 airlines that operate flights from Southeast Asia to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 30 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$719Average$1,179FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EmiratesCheapest$971Average$1,290FlexibilityNo cancel feeOn-time75%
Search Emirates flights
British AirwaysCheapest$1,114Average$1,643FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Singapore AirlinesCheapest$1,143Average$1,642FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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.

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

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.

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

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.

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

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.

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