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Cheap flights from London Heathrow Airport to Southeast Asia from £313

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
22 Jan — 29 Jan1
1 adult

Cheap flight deals from Heathrow to Southeast Asia

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Southeast Asia (zzYJX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 January 2025.

Round-trip from

£487

One-way from

£313
Air China
  • Air China
  • 23/3-6/6
  • 3 total stops
  • 45h 35m total
  • London to Southeast Asia
China Southern
  • China Southern
  • 19/2
  • 1 total stop
  • 20h 25m total
  • London to Southeast Asia

Find flight deals from Heathrow to Southeast Asia

Cheapest flights from Heathrow to Southeast Asia
Explore the most affordable flight options available from Heathrow to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Sun 23/320:25LHR - MNL
2 stops21h 15mAir China
Fri 6/602:55MNL - LHR
1 stop24h 20mAir China
Deal found 16/1£487
Wed 4/622:40LHR - HAN
1 stop31h 15mAir China
Wed 18/613:25HAN - LHR
1 stop34h 20mAir China
Deal found 17/1£487
Fri 21/221:10LHR - MNL
1 stop20h 30mShenzhen Airlines
Fri 7/302:55MNL - LHR
1 stop24h 15mShenzhen Airlines
Deal found 17/1£488
Sun 23/222:00LHR - MNL
1 stop28h 50mChina Southern
Sat 8/312:00MNL - LHR
1 stop38h 15mChina Southern
Deal found 16/1£488
Tue 25/217:50LHR - MNL
1 stop25h 50mChina Eastern
Thu 20/304:55MNL - LHR
1 stop20h 35mChina Eastern
Deal found 16/1£494
Wed 19/220:25LHR - SGN
1 stop23h 20mAir China
Tue 25/204:55SGN - LHR
1 stop19h 55mAir China
Deal found 16/1£495
Wed 12/321:10LHR - SGN
1 stop21h 10mShenzhen Airlines
Thu 20/302:20SGN - LHR
1 stop23h 50mShenzhen Airlines
Deal found 16/1£496
Tue 4/322:00LHR - SIN
1 stop21h 05mChina Southern
Sat 8/303:55SIN - LHR
1 stop22h 20mChina Southern
Deal found 16/1£497
Thu 20/217:40LHR - MNL
2 stops34h 10mMultiple Airlines
Fri 7/305:55MNL - LHR
2 stops42h 00mMultiple Airlines
Deal found 17/1£497
Wed 26/1120:25LHR - BKK
1 stop20h 45mAir China
Mon 15/1201:30BKK - LHR
1 stop23h 20mAir China
Deal found 16/1£497
Fri 21/321:10LHR - HAN
1 stop37h 30mShenzhen Airlines
Sat 29/302:10HAN - LHR
1 stop23h 50mShenzhen Airlines
Deal found 17/1£498
Fri 18/422:05LHR - SIN
1 stop31h 15mGulf Air
Sun 4/520:00SIN - LHR
1 stop17h 55mGulf Air
Deal found 17/1£498

Find flights from Heathrow to Southeast Asia within your budget

Customise your flight search to find flights from Heathrow to Southeast Asia 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 858,174 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Sun 23/3

20:25-01:40

2 stops21h 15m

Manila Ninoy Aquino Intl

Fri 6/6

02:55-20:15

1 stop24h 20m

£487

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 4/6

22:40-11:55

1 stop31h 15m

Hanoi Noibai

Wed 18/6

13:25-17:45

1 stop34h 20m

£487

LondonManila

LHR - MNL

LHRMNL

London Heathrow

Sun 23/2

22:00-10:50

1 stop28h 50m

Manila Ninoy Aquino Intl

Sat 8/3

12:00-18:15

1 stop38h 15m

£488

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Wed 12/3

21:10-01:20

1 stop21h 10m

Ho Chi Minh City

Thu 20/3

02:20-19:10

1 stop23h 50m

£496

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 4/3

22:00-03:05

1 stop21h 05m

Singapore Changi

Wed 12/3

17:50-18:15

1 stop32h 25m

£497

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 18/4

22:05-12:20

1 stop31h 15m

Singapore Changi

Sun 4/5

20:00-06:55

1 stop17h 55m

£498

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 3/2

21:10-10:05

1 stop29h 55m

Bangkok Suvarnabhumi

Sun 2/3

19:20-17:55

1 stop29h 35m

£498

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 21/3

21:10-17:40

1 stop37h 30m

Hanoi Noibai

Sat 29/3

02:10-19:00

1 stop23h 50m

£498

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 9/2

10:20-18:25

1 stop24h 05m

Singapore Changi

Wed 19/2

22:05-20:40

1 stop30h 35m

£500

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 11/3

17:50-22:00

1 stop20h 10m

Singapore Changi

Mon 24/3

00:25-17:30

1 stop25h 05m

£505

Flights are sorted by cheapest return flights first.

Deals found on 17/1

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

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Heathrow with our price prediction graph.
Estimated return 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.

Travel insights for flights from Heathrow to Southeast Asia

Get recent, data-driven insights about flights from Heathrow to Southeast Asia including ideal travel times, pricing trends, and more.

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Southeast Asia (average of £791). Flying from London Heathrow Airport to Southeast Asia in December is currently the most expensive (average of £1,123). 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 LHR to YJX?

Find hourly flight availability from Heathrow to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.

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

Weekly flight availability from London Heathrow Airport to Southeast Asia

Explore weekly flight availability from Heathrow to Southeast Asia. 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 17 January 2025.

The most flights from LHR to zzYJX are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Southeast Asia by month

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

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

Temperature in Southeast Asia by month

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

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated 17 January 2025.
Get a feel of what it's like to fly with Shenzhen Airlines, China Eastern and Air China from London to Southeast Asia by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

8.2
Very Good
737 reviews
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

8.1
Very Good
1,327 reviews
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

8.1
Very Good
3,351 reviews
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

8.1
Very Good
79 reviews
8.2
Very Good
737 reviews

Boarding

8.3

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

8.0

Food

7.8

Reviews

1 / 10

For the money it’s good value. Seat space rather small

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Southeast Asia. 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 London Heathrow Airport to Southeast Asia one-way?

    The cheapest airline one-way is China Southern, with whom users have recently found tickets for as low as £313. However, be on the lookout for offers from Shenzhen Airlines and Hainan Airlines, as they are both options that can get you from London Heathrow Airport to Southeast Asia for a low price.

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

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Southeast Asia are Air Canada (67%), Thai Airways (58%) and EVA Air (47%).

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

    Looking for the cheapest flight from London Heathrow Airport to Southeast Asia? While on average our users pay £2,415, our data indicates the cheapest price to be £386. The most popular route (London Heathrow - Bangkok Suvarnabhumi), is priced around £1.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Southeast Asia 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 London Heathrow Airport to Southeast Asia?

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Southeast Asia (average of £791). Flying from London Heathrow Airport to Southeast Asia in December is currently the most expensive (average of £1,123). 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

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Alternative routes for Heathrow to Southeast Asia

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

Top 10 airlines flying from Heathrow to Southeast Asia

Discover the top 10 airlines that operate flights from Heathrow to Southeast Asia. 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 858,174 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest£409Average£760FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air FranceCheapest£431Average£820FlexibilityNo cancel feeOn-time77%
Search Air France flights
Hainan AirlinesCheapest£446Average£501FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Royal Brunei AirlinesCheapest£493Average£695FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
KLMCheapest£524Average£860FlexibilityNo cancel feeOn-time75%
Search KLM flights
SWISSCheapest£535Average£802FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£546Average£998FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Royal JordanianCheapest£567Average£730FlexibilityNo cancel feeOn-time61%
Search Royal Jordanian flights
LufthansaCheapest£570Average£820FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£577Average£723FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

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

When you search for this flight from Heathrow to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southeast Asia from Heathrow.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Southeast Asia, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Heathrow to Southeast Asia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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