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Find cheap flights from London Heathrow Airport to Southeast Asia from £284

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Southeast Asia departing on 4/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 19/5
Sun 26/5

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Best Southeast Asia Flight Deals

Cheapest return prices found by our users on KAYAK in the last 72 hours

Bangkok
Bangkok1 stop£450
Manila
Manila1 stop£424
Denpasar
Denpasar2 stops£565
Singapore
Singapore1 stop£470
Kuala Lumpur
Kuala Lumpur1 stop£444
Phuket City
Phuket City1 stop£450
Ho Chi Minh City
Ho Chi Minh City2 stops£448
Hanoi
Hanoi2 stops£435
Jakarta
Jakarta1 stop£437
Koh Samui
Koh Samui2 stops£665
Cebu City
Cebu City1 stop£461
Chiang Mai
Chiang Mai2 stops£516
Krabi
Krabi2 stops£640
Penang
Penang2 stops£498
Angeles City
Angeles City3 stops£667
Phnom Penh
Phnom Penh1 stop£434
Da Nang
Da Nang2 stops£622
Siem Reap
Siem Reap1 stop£781
Langkawi
Langkawi2 stops£654
Boracay
Boracay2 stops£980

Good to know - Cheap tickets from London Heathrow Airport to Southeast Asia

Low season

August

High season

December

Cheapest flight

£284
Best time to beat the crowds but there is an average 18% increase in price.
Most popular time to fly (27% more expensive on average)
Flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport

FAQs - booking Southeast Asia flights

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Southeast Asia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Southeast Asia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Southeast Asia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Southeast Asia from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Southeast Asia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Southeast Asia with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Southeast Asia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Southeast Asia from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from London Heathrow Airport to Southeast Asia

  • Looking for a cheap flight from London Heathrow Airport to Southeast Asia? 25% of our users found tickets from London Heathrow Airport to Southeast Asia for the following prices or less: Bangkok £484 one-way - £694 round-trip; Kuala Lumpur £469 one-way - £707 round-trip; Singapore £444 one-way - £719 round-trip

Top 5 airlines serving from Heathrow to Southeast Asia

 
Need help choosing which airline to fly with from Heathrow to Southeast Asia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.2
Singapore AirlinesOverall score based on 1491 reviews
8.1comfort
8.2entertainment
8.4boarding
8.7crew
7.8food
Airline reviews

Great to have actual hot tastey meal on a flight. Well done

10.0 ExcellentJeff, Apr 2024SIN - MNL
Read more about Singapore Airlines reviews

Great to have actual hot tastey meal on a flight. Well done

All in all the flight was good. Love the fact that for airline food it was piping hot

Awesome as always. I wish though the cabin for premium was upgraded.... Same old sane old :(

Wonderful service, planes and interior in great condition, very pleasant experience

Flying with Singapore airlines is always excelllent - the crew are lovely and the food too is great. It’s my number 1 airline

Perfect experience from boarding through to leaving the flight, comfortable and personalised service from all staff, highly recommended

They were able to assist my elderly father and myself after not being able to check in to scoot. The counter service was phenomenal. They did what they could to get us on the next plane so we could catch our Connecting flight. Scoot closed early on us so we ended up missing our flight.

The stewardess was very helpful all the way. My seat had an issue with headphones and after the replaced and gave me a new pair and noticed it was the seat I got a new chair to sit and a great ride back home

The seat comfort, the food and of course the crew, they made you feel welcome and relaxed 😊

The overall operation needs to be improved. The in-flight services took forever and sometimes ran out of options.

No towels or tissue and chocolate and mint provided before arrival

Not good. Expected a lot more as far as excellence.

I staff or crew they were very friendly and humbly, they done theirs service very well, I appreciate them and thank you to the company or Qatar 🇶🇦 Government for providing as good service in their flight ,once again, thank you 😊 🙏 😀 😉 👍

Fantastic, the 787-9 is a very beautifully designed plane and it was a pleasure to fly in the Qsuite. The suite did feel slightly smaller than the 777 variant, and the suite door also felt smaller, as I felt more exposed as passengers and crew walked past. Food was too notch, and the service was fantastic. I wish they’d enforce boarding zones more effectively, but otherwise they did really well.

To many ads. 3 or 4 between each movie. All repetitive, all related to Doha which I was just passing thru.

My seat that I booked over a year ago and some other passenger was sitting in it. They said they could not walk and they would not move. I was with my young kid and the crew did nothing to accommodate that. Just disappointed that the airline accepts that excuse from a passenger.

Crews are very rude and unhelpful. Cramped seats in economy. Foods are useless

Better service is needed. I booked for Qatar but I was switched to American way after I bought my tickets.

Lovely aircraft and I flight entertainment. Good leg room. Full flight crew struggled a bit

In spite of placing requests for vegetarian food, I didn’t get it because they ran out of stock. According to crew, only fixed number of vegetarian orders will be carried. Typically, they should have checked and served those who had specifically requested. I was one of those to get the food last.

Comfortable seats. Be aware there is no alcohol on this airline.

Seats were comfortable. Be aware there is no alcohol on this airline.

Every thing was very food except the meal. It was a sandwich of something like a beef kebab. It was really bad in terms of hardness as well as taste. We were a family of 7 persons non of us could eat it his sandwich. Cake was good.

It was very nice flight only suggestions to upload recent videos and English subtitles. Thanks

Wheelchair service is not available right away on Kuwait Airways

Everybody was so nice to treat me good all the workers When I came to Bangladesh there was just a little problem with the luggage but I got my luggage it took like two hours Other than that everything is good

Food quality should be upgrade. Plastic spoons looks like not good as well as food quality not up to the mark.

Everything was great specially the seats was comfortable even I was in the economy and the food was really Great👍

Not much on entertainment, food was good but not delicious, flight was on time

The crew was attentive and kind. The business class cabin wasn’t very full during the flight so the service was catered to your specific needs.

1st of all on February 27th Abu Dhabi to Delhi flight the seat wasn't comfortable at all, coming back the Lounge at Abu Dhabi didn't have anything. Than the Food in the flight

Good range of movies but lacking decent tv shows. Wifi was really expensive on this flight, considering flights under 7 hours have a $9.99 USD charge for streaming, to jump up to $24.99 for a 7 hour 40 flight seemed a little bit of a rip off. Staff are inattentive, and really need to improve on the customer experience. The new airport is fantastic, as is the new lounge, a huge upgrade from the old airport and lounge!

In my opinion, Etihad Airways is a first rate airline except for one important element. On the day before my return flights, when I chose my seats on the Etihad website I was charged an additional $55 (US) in order to sit on the aisle. I was not at all happy about this additional "hidden" charge and I felt cheated.

My wife and I were upgraded to Business Class on our Dublin-Abu-Dhabi flight on the 22nd of January. Being served by "Mariyan" (not too sure about her name, she's from Tunisia) was the real highlight of our flight, she deserves to be working with etihad. We are looking forward to the next upgrade as we are flying back to Dublin on February 01, 2024. If I am not mistaken we have just reached GOLD status as Etihad Guests.

Eine Toilette der Business Class war gesperrt und somit nicht benutzbar.

Crew was good, boarding mediocre, food choices were limited, seating was not comfortable

Everything is good and improved and needs to improve economy class seat more specious so long journey we can enjoy and it will be give more relaxable. Overall all services good and safely landed . I enjoyed my journey and all the cabin crew members services very well.

Sits are very uncomfortable and food quality should be improved. Alcohol you have to ask and wait for more then 1/2 hrs. Don’t feel like to travel in Etihad. It was 1st time we traveled in Etihad now we decided we don’t want to travel in Etihad.

Very very bad service very tight seats never ever flying with Etihad again

Etihad can improve the transfer in Abudabi gates instead of making people to climb the stairs.

The flight was delayed for almost 5 hours, but I understand that it was not up to the company, however how they could handle the situation better, they never apologized for that delay, moreover despite passengers being there for 7 hours only thing they did was to give a bowl of instant noodles, afterwards on the plane tiny snacks, people were there starting from lunch time and we’ve arrived to destination at almost midnight

Cons: "Even for business class there is no TV screen on each seat. Just one small TV screen on the ceiling for a few rows to share. It would be much better with TV screen on each seat. I was sitting in the first row business class and the air hostess skipped me and didn’t give me a slipper. She gave me a used slipper at the end only without a packet. This is unprofessional to treat a business class passenger"
Cons: "Seats are narrow, leg room limited, and food is minimal."
Pros: "Crew was great and was happy to get gluten free food i could eat"
Cons: "Not lose my bags :("
Pros: "Boarding was a breeze, flight attendant onboard we attentive, choice of food orders at least two (in business class, can’t speak to first or main cabin passengers.) Flew from LA to Tokyo. Coming back from Hong Kong to LA. Fantastic flights, will use them again."
Pros: "The crew was super helpful and amazing! Comfortable seats and plenty of space for someone my size to sit (5’4”)."
Cons: "The only thing that I think could be better is the entertainment. I had a hard time figuring out how to use the screen on the aircraft but the selection of shows was good."
Cons: "Really old aircraft...please upgrade the video systems and make sure everyone has the same good optons"
Pros: "na"
Cons: "no space to store carry on bag food, crew's service, delay to depart"
Pros: "Flight was canceled, air China communication to passengers was terrible. Took me 48 hours to get home with miscommunications all along the line."
Cons: "Traffic on the take off strip made us sit in our seats for a long time, about an hour and I had my infant on my lap who had peed through his pants but I wasn’t allowed to go to the lavatory and change his diaper or clothes! Not just this but I also had a very important meeting to attend in Seoul for business and the flight delay made me late! Unacceptable"

Book cheap flights from London to Southeast Asia

Cheapest flights to Southeast Asia from London found in 2024

Recent return flight deals

26/9Thu
1 stopAir China
19h 15mLHR-MNL
14/10Mon
1 stopAir China
21h 05mMNL-LHR
£424
21/9Sat
1 stopAir China
20h 40mLHR-MNL
4/10Fri
1 stopAir China
24h 20mMNL-LHR
£432
5/9Thu
1 stopAir China
20h 55mLHR-MNL
20/11Wed
1 stopAir China
19h 30mMNL-LHR
£433
9/9Mon
1 stopEtihad Airways
16h 10mLHR-BKK
26/9Thu
1 stopEtihad Airways
15h 30mBKK-LHR
£498
5/5Sun
1 stopEtihad Airways
17h 05mLHR-BKK
21/5Tue
1 stopEtihad Airways
18h 40mBKK-LHR
£508
30/4Tue
1 stopSingapore Airlines
17h 05mLHR-KUL
7/5Tue
1 stopSingapore Airlines
17h 20mKUL-LHR
£509
4/5Sat
1 stopSingapore Airlines
15h 50mLHR-KUL
20/5Mon
1 stopSingapore Airlines
16h 15mKUL-LHR
£519
4/6Tue
1 stopQatar Airways
14h 45mLHR-BKK
2/7Tue
1 stopQatar Airways
18h 55mBKK-LHR
£536
6/5Mon
1 stopQatar Airways
18h 10mLHR-BKK
10/5Fri
1 stopQatar Airways
18h 55mBKK-LHR
£541
5/5Sun
1 stopKuwait Airways
17h 25mLHR-BKK
14/5Tue
1 stopKuwait Airways
17h 35mBKK-LHR
£570

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Recent one-way flight deals

4/6Tue
1 stop
27h 35mLHR-BKK
£284
13/5Mon
2 stopsSAUDIA
41h 45mLHR-CGK
£286
25/4Thu
directSingapore Airlines
13h 05mLHR-SIN
£305
24/4Wed
1 stopAir China
18h 30mLHR-SIN
£315
22/4Mon
1 stopAir China
19h 35mLHR-KUL
£315
15/5Wed
1 stopEtihad Airways
21h 30mLHR-BKK
£318
26/4Fri
directSingapore Airlines
13h 05mLHR-SIN
£321
8/5Wed
1 stopEtihad Airways
21h 30mLHR-BKK
£321
24/5Fri
1 stopQatar Airways
26h 30mLHR-SIN
£444
29/4Mon
1 stopQatar Airways
21h 15mLHR-SGN
£455

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Last minute flights from Heathrow to Southeast Asia

Last minute flight, train and bus deals

22/4Mon
multi-stopShenzhen Airlines
22h 15mLHR-BKK
9/5Thu
multi-stopShenzhen Airlines
22h 45mBKK-LHR
£456
21/4Sun
multi-stopAir China
17h 20mLHR-KUL
19/6Wed
multi-stopAir China
32h 35mKUL-LHR
£464
24/4Wed
multi-stopQatar Airways
20h 20mLHR-BKK
7/5Tue
multi-stopQatar Airways
18h 15mBKK-LHR
£545
23/4Tue
directSingapore Airlines
13h 05mLHR-SIN
7/5Tue
directSingapore Airlines
13h 40mSIN-LHR
£545
24/4Wed
multi-stopEtihad Airways
27h 35mLHR-BKK
11/6Tue
multi-stopEtihad Airways
15h 30mBKK-LHR
£552
23/4Tue
multi-stopQatar Airways
18h 10mLHR-BKK
9/5Thu
multi-stopQatar Airways
18h 15mBKK-LHR
£556
22/4Mon
multi-stopEtihad Airways
20h 30mLHR-BKK
19/5Sun
multi-stopEtihad Airways
27h 30mBKK-LHR
£582
21/4Sun
multi-stopKuwait Airways
17h 25mLHR-BKK
30/4Tue
multi-stopKuwait Airways
17h 10mBKK-LHR
£588
21/4Sun
multi-stopKuwait Airways
17h 25mLHR-BKK
4/5Sat
multi-stopKuwait Airways
17h 35mBKK-LHR
£617
23/4Tue
multi-stopSingapore Airlines
17h 30mLHR-SGN
30/4Tue
multi-stopSingapore Airlines
26h 00mSGN-LHR
£708

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London Heathrow Airport - Southeast Asia Flights

Departure:

London Heathrow Airport (LHR)United Kingdom

Return flight deals:

Southeast Asia - London Heathrow Airport

Cabin classes:

£182
£162
£145
£43

Browse destinations:

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