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$308+ Cheap flights from Southeast Asia to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap 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 April 24, 2025.

Round-trip from

$590
(KLM)

One-way from

$308
(Trip.com)
From Southeast Asia to London Heathrow
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One-way flight from Southeast Asia to London Heathrow
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Find flight deals from Southeast Asia to Heathrow

Cheapest flights from Southeast Asia to Heathrow
Explore the most affordable flight options available from Southeast Asia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This KLM deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:10 pmKUL - LHR
2 stops22h 35mKLM
Sun 11/98:25 pmLHR - KUL
1 stop35h 20mKLM
Deal found 4/22$590
This oojo deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/209:35 amKUL - LHR
1 stop28h 25mEtihad Airways
Tue 6/38:55 pmLHR - KUL
1 stop15h 55mEtihad Airways
Deal found 4/23$592
This Gotogate deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/911:55 amSGN - LHR
1 stop37h 05mChina Southern
Mon 6/169:00 pmLHR - SGN
2 stops22h 25mChina Southern
Deal found 4/23$627
This Turkish Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2110:50 amKUL - LHR
1 stop18h 35mTurkish Airlines
Wed 5/286:30 amLHR - KUL
1 stop17h 35mTurkish Airlines
Deal found 4/22$628
This Trip.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/238:50 amKUL - LHR
1 stop18h 10mMultiple Airlines
Fri 5/3010:00 pmLHR - KUL
2 stops38h 55mMultiple Airlines
Deal found 4/22$637
This Singapore Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/218:55 amKUL - LHR
1 stop17h 35mSingapore Airlines
Sun 6/19:25 amLHR - KUL
1 stop17h 05mSingapore Airlines
Deal found 4/23$639
This oojo deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/169:10 pmSIN - LHR
1 stop22h 35mEtihad Airways
Tue 5/202:45 pmLHR - SIN
1 stop35h 55mEtihad Airways
Deal found 4/22$639
This Gotogate deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/38:00 pmSIN - LHR
1 stop26h 20mGulf Air
Tue 6/1010:00 amLHR - SIN
1 stop19h 20mGulf Air
Deal found 4/22$642
This FlightHub deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/83:40 amSIN - LHR
1 stop23h 10mShenzhen Airlines
Wed 8/610:05 pmLHR - SIN
1 stop21h 35mShenzhen Airlines
Deal found 4/22$649
This oojo deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/58:10 amKUL - LHR
1 stop19h 25mCathay Pacific
Tue 6/106:20 pmLHR - KUL
1 stop18h 50mCathay Pacific
Deal found 4/23$656
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/138:00 amPNH - LHR
1 stop17h 00mChina Southern
Sat 6/219:00 pmLHR - PNH
2 stops21h 10mChina Southern
Deal found 4/22$668
This oojo deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/192:55 amKUL - LHR
1 stop17h 20mQatar Airways
Tue 6/39:00 amLHR - KUL
1 stop15h 50mQatar Airways
Deal found 4/24$671

Cheapflights Fare Finder

Customize your flight search to find flights from Southeast Asia to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2025.
Use the filters below to find and compare flights from Southeast Asia to London Heathrow Airport that are best for you.

Fly from

Southeast Asia

Fly to

Heathrow

Route

Depart

Return

Price

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 10/20

7:10 pm-10:45 am

2 stops22h 35m

London Heathrow

Sun 11/9

8:25 pm-3:45 pm

1 stop35h 20m

$590

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Tue 5/20

9:35 am-7:00 am

1 stop28h 25m

London Heathrow

Tue 6/3

8:55 pm-7:50 pm

1 stop15h 55m

$592

Ho Chi Minh CityLondon

SGN - LHR

SGNLHR

Ho Chi Minh City

Mon 6/9

11:55 am-7:00 pm

1 stop37h 05m

London Heathrow

Mon 6/16

9:00 pm-1:25 am

2 stops22h 25m

$627

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Wed 5/21

10:50 am-10:25 pm

1 stop18h 35m

London Heathrow

Wed 5/28

6:30 am-7:05 am

1 stop17h 35m

$628

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Fri 5/23

8:50 am-8:00 pm

1 stop18h 10m

London Heathrow

Fri 5/30

10:00 pm-7:55 pm

2 stops38h 55m

$637

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Wed 5/21

8:55 am-7:30 pm

1 stop17h 35m

London Heathrow

Sun 6/1

9:25 am-9:30 am

1 stop17h 05m

$639

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Tue 6/3

8:00 pm-3:20 pm

1 stop26h 20m

London Heathrow

Tue 6/10

10:00 am-12:20 pm

1 stop19h 20m

$642

SingaporeLondon

SIN - LHR

SINLHR

Singapore Changi

Sun 6/8

3:40 am-7:50 pm

1 stop23h 10m

London Heathrow

Mon 8/4

10:05 pm-2:40 am

1 stop21h 35m

$649

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Thu 6/5

8:10 am-8:35 pm

1 stop19h 25m

London Heathrow

Tue 6/10

6:20 pm-8:10 pm

1 stop18h 50m

$656

Kuala LumpurLondon

KUL - LHR

KULLHR

Kuala Lumpur Intl

Mon 5/19

2:55 am-1:15 pm

1 stop17h 20m

London Heathrow

Tue 6/3

9:00 am-7:50 am

1 stop15h 50m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 results
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Best time to book a flight from Southeast Asia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Southeast Asia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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 $661). Flying from Southeast Asia to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 April 24, 2025.

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

Explore weekly flight availability from Southeast Asia to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 24, 2025.

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).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 24, 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan Airlines from Southeast Asia to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very good
1,180 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Korean Air
8.4
Very good
1,062 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Japan Airlines
8.3
Very good
1,453 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
China Airlines
8.3
Very good
727 reviews
EVA Air
8.4
Very good
1,180 reviews

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

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.

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

    The cheapest airlines for a one-way flight from Southeast Asia to London Heathrow Airport are Air China ($312), Shenzhen Airlines ($317), and China Southern ($319).

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

    The most popular route from Southeast Asia to London Heathrow Airport is Bangkok Suvarnabhumi - London Heathrow. You may also consider Manila Ninoy Aquino Intl - London Heathrow or Ho Chi Minh City - London Heathrow.

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

    The top 3 most reliable airlines when flying from Southeast Asia to London Heathrow Airport are Air Canada (75%), Thai Airways (73%) and EVA Air (71%).

  • 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 $1,702, our data shows the cheapest flight currently is $386. When looking at the most popular route, (Bangkok Suvarnabhumi - London Heathrow), you can expect to pay $685 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 vacation 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 $661). Flying from Southeast Asia to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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

Traveling to a place near Southeast Asia?

Book flights to Southeast Asia if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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.
Suvarnabhumi to Heathrow flights
Taiwan Taoyuan Intl to Heathrow flights
Haneda to Heathrow flights
Incheon Intl to Heathrow flights
Hong Kong to Heathrow flights
Narita to Heathrow flights
Manila to Heathrow flights
Mumbai to Heathrow flights
Yerevan to Heathrow flights
Hong Kong to Gatwick flights
Hongqiao Intl to Heathrow flights
Ho Chi Minh City to Heathrow flights
Karachi to Heathrow flights
Phnom Penh to Heathrow flights
Tbilisi to Heathrow flights
Singapore to Gatwick flights
Dhaka to Heathrow flights
Pu Dong to Heathrow flights
Capital to Heathrow flights
Singapore to Heathrow flights
New Delhi to Heathrow flights
Colombo to Heathrow flights
Lahore to Heathrow flights
Tashkent to Heathrow flights
Islamabad to Heathrow flights
Hyderabad to Heathrow flights
Bangalore to Heathrow flights
Chennai to Heathrow flights
Soekarno-Hatta Intl to Heathrow flights
Guangzhou to Heathrow flights
Suvarnabhumi to Gatwick flights
Pu Dong to Gatwick flights

Top 10 airlines flying from Southeast Asia to Heathrow

Discover the top 10 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 2,558,603 searches. Data last updated April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$596Average$717FlexibilityNo cancel feeOn-time69%
Air ChinaCheapest$655Average$800FlexibilityNo cancel feeOn-time67%
SAUDIACheapest$663Average$805FlexibilityNo cancel feeOn-time86%
SWISSCheapest$664Average$956FlexibilityNo cancel feeOn-time79%
EmiratesCheapest$668Average$1,026FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$669Average$911FlexibilityNo cancel feeOn-time76%
China EasternCheapest$676Average$738FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$703Average$1,115FlexibilityNo cancel feeOn-time70%
Singapore AirlinesCheapest$707Average$988FlexibilityNo cancel feeOn-time81%
Qantas AirwaysCheapest$713Average$889FlexibilityNo cancel feeOn-time74%

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