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Find cheap flights from London Heathrow Airport to Southeast Asia from S$ 520

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 19-5. 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
Sun 2-6
Sun 9-6

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Best Southeast Asia Flight Deals

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

Singapore
Singapore1 stopS$ 783

Good to know

Low season

August

High season

December

Cheapest flight

S$ 520
Best time to beat the crowds but there is an average 17% increase in price.
Most popular time to fly (27% more expensive on average)
Flight from London Heathrow Airport to Singapore

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 cheap flights to Southeast Asia

  • Looking for a cheap flight? 25% of our users found tickets from London Heathrow Airport to the following destinations at these prices or less: Singapore S$ 563 one-way - S$ 993 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 1470 reviews
7.8Food
8.2Entertainment
8.1Comfort
8.4Boarding
8.7Crew
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.

Flight was late and crew were unwilling to help with information on connections. Call light had been on for 61 minutes without tesponse.

we were late to get to this connecting flight and SWISS decided to wait for us . Very nice of them

So terrible. They would not rebook me for a flight until 2 days. I had to spend so much money to get my own flight. They were rude and not helpful.

The plane was so hot upon boarding. Their boarding process was so unnecessarily long. Service was subpar.

Everything from the price to online checkin and the flight being on time to the crew and food was very good. The comfort level is fine--the seats are very close to each other in Economy. But I guess you get what you pay for.

Flight was delayed for 4 hours and they misplaced my luggage too. Appalling.

Liked being hydrated. Carryon weight was limited for cold weather clothes that are heavy... could test to improve if possible.

We so appreciated that our connecting flight waited for 6 of us!!!

Luggage did not make it to Miami still not today! Screen did not work for couple hours- got a bate of chocolate as a peaceful offering. Crew tentative, seats are getting smaller- isle seat arm rest foes not fold- problem getting other 2 passengers to go to the toilet without hitting themselves

Delay on take if- short connecting time- was supposed to have a wheelchair to connecting flight- limped with a cane thru the airport to make a connection

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.

Horrible flight attendant in back of economy that screamed at me, have already reported to United. Horrible food - for Gluten free, why would you assume the person is vegetarian? I was served some kind of horrible curry bean paste and multiple cold rolls and soggy vegetables with no seasoning... um no!

I was at the airport on time , I checked in my luggage . The plane was delayed and the gate was change. The flight board did not give information . I did not get chance to fly. I am going to make a claim for it

Never flown with LH before so all in all wasba good experience. Also good to know that approx 24hrs prior the flight opens up for being able to organise the seating free.

This flight space was way better than our international flight. Efficient boarding and comfortable

It was a short flight, no real service (which is okay). Very bumpy because of weather.

I'm Canaadian. I hate Air Canada. I used to give them a pass on their international service. No longer, They suck across the board now! Old planes, exhausted staff bad food and shitty entertainment. Your seats need reupholstered! Start with that...

Good experience. Food was great and passengers helped rearrange seats so our family could be seated together

Great flight. Left on time, not very crowded. Quiet and the right temperature.

No eye patches , socks given out for overnight flight! The snack on the short haul was a cube of chocolate! The seat was uncomfortable for a long haul - not enough cushioning!

I paid a lot of money for seat selection and was miserable for flight duration

my original flight was cancelled the previous day, and i was rescheduled onto this flight, which left much earlier in the morning, impacting my previous evening and requiring me to get up much earlier in the morning to get to the airport online. This practice happens way way way too much, and it seems on every airline, though AA is probably the worst.

The flight was on time and the crew very professional. Everything went as expected and I will use BA again for this trip.

We paid to have overhead carry-on baggage. When we got to the gate we were told that our carry on bags would need to be checked and go below because the flight was full. Notably we were nowhere near the last people to board and about 30 other passengers also had to check their carry-on bags. Other than that the flight was fine.

Very bad plain although I paid A business class ticket I was stuck in a stiff fixed seat without any entertainment or Wi Fi for 5 hours I will never ever book a flight on British airline.

Self check in Kiosk did not recognize that I had prepaid for my luggage. This caused a 40 minute delay even though I had my British Airways email receipt for the prepaid luggage.

Crew were very friendly and helpful. They explained to us in detail the delay in our takeoff due to the storm that rolled in from Belfast and did their best to make up the time. Always great to fly BA!

Staff were very helpful. The free WiFi for messages was also very useful to keep in touch

Crew was more interested on looking at their phones than welcoming passengers during boarding.

The crew was very attentive and kept busy serving a variety of treats!

Terrible. Missed my flight to final destination because of delayed British Airways flight. Had to spend 12 hours in airport and $1500 for new plane tickets

Book cheap flights from London to Southeast Asia

Recent return flight deals

21-5Tue
1 stopChina Southern
21h 55mLHR-SIN
4-6Tue
1 stopChina Southern
32h 20mSIN-LHR
S$ 783
1-6Sat
1 stopShenzhen Airlines
35h 35mLHR-SIN
8-6Sat
1 stopShenzhen Airlines
39h 00mSIN-LHR
S$ 794
8-9Sun
1 stopSWISS
21h 40mLHR-BKK
1-10Tue
1 stopSWISS
36h 40mBKK-LHR
S$ 828
8-9Sun
1 stopSWISS
21h 40mLHR-BKK
1-10Tue
1 stopSWISS
15h 00mBKK-LHR
S$ 830
15-5Wed
directBritish Airways
13h 30mLHR-SIN
26-5Sun
directBritish Airways
14h 10mSIN-LHR
S$ 912
29-9Sun
directBritish Airways
13h 30mLHR-SIN
13-10Sun
directBritish Airways
14h 10mSIN-LHR
S$ 926
5-9Thu
1 stopLufthansa
15h 50mLHR-SIN
26-9Thu
1 stopLufthansa
16h 00mSIN-LHR
S$ 936
12-9Thu
1 stopLufthansa
15h 50mLHR-SIN
28-9Sat
1 stopLufthansa
16h 00mSIN-LHR
S$ 937
13-10Sun
directSingapore Airlines
13h 05mLHR-SIN
26-10Sat
directSingapore Airlines
13h 40mSIN-LHR
S$ 1,025
21-10Mon
1 stopSingapore Airlines
17h 10mLHR-BKK
20-11Wed
1 stopSingapore Airlines
18h 20mBKK-LHR
S$ 1,116

Search by stops

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Recent one-way flight deals

19-5Sun
3 stops
39h 25mLHR-SIN
S$ 520
9-5Thu
directSingapore Airlines
13h 05mLHR-SIN
S$ 521
22-5Wed
2 stops
19h 20mLHR-SIN
S$ 523
17-5Fri
directBritish Airways
13h 30mLHR-SIN
S$ 539
10-5Fri
directBritish Airways
13h 30mLHR-SIN
S$ 547
23-5Thu
1 stopAir China
34h 00mLHR-SIN
S$ 593
16-5Thu
1 stopEtihad Airways
17h 15mLHR-SIN
S$ 640
2-9Mon
1 stopEtihad Airways
20h 35mLHR-BKK
S$ 667
6-9Fri
2 stopsSWISS
56h 25mLHR-BKK
S$ 679
26-10Sat
2 stopsSWISS
51h 55mLHR-SIN
S$ 716

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Last minute flights from Heathrow to Southeast Asia

Last minute flight, train and bus deals

5-5Sun
multi-stopChina Southern
47h 15mLHR-SIN
10-5Fri
multi-stopChina Southern
22h 15mSIN-LHR
S$ 816
6-5Mon
multi-stopChina Southern
21h 55mLHR-SIN
20-5Mon
multi-stopChina Southern
52h 40mSIN-LHR
S$ 842
7-5Tue
multi-stopEtihad Airways
28h 50mLHR-SIN
23-7Tue
multi-stopEtihad Airways
28h 50mSIN-LHR
S$ 854
5-5Sun
multi-stopEtihad Airways
16h 05mLHR-BKK
6-6Thu
multi-stopEtihad Airways
27h 20mBKK-LHR
S$ 955
7-5Tue
directBritish Airways
13h 30mLHR-SIN
14-5Tue
directBritish Airways
13h 50mSIN-LHR
S$ 1,005
4-5Sat
directSingapore Airlines
13h 05mLHR-SIN
11-5Sat
directSingapore Airlines
13h 40mSIN-LHR
S$ 1,107
6-5Mon
multi-stopBritish Airways
17h 40mLHR-SIN
20-5Mon
directBritish Airways
14h 10mSIN-LHR
S$ 1,143
4-5Sat
directSingapore Airlines
13h 05mLHR-SIN
11-5Sat
directSingapore Airlines
13h 40mSIN-LHR
S$ 1,187
6-5Mon
multi-stopSWISS
32h 25mLHR-BKK
4-6Tue
multi-stopSWISS
33h 30mBKK-LHR
S$ 1,464
7-5Tue
multi-stopSWISS
19h 30mLHR-SIN
23-7Tue
multi-stopSWISS
28h 55mSIN-LHR
S$ 1,555

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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:

S$ 289
S$ 1,028
S$ 121

Browse origins:

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Browse destinations:

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  • Southeast Asia