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Cheap flights from London Heathrow Airport to Singapore from $515

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Singapore departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from London Heathrow Airport to Singapore

Cheap return flights

Shenzhen Airlines Logo
22:05 - 16:40LHR-SIN
35h 35m1 stop
Shenzhen Airlines Logo
18:10 - 20:00SIN-LHR
32h 50m1 stop
$839Shenzhen Airlines
Find Deal
Wed, 3 Sep - Tue, 30 Sep
Shenzhen Airlines Logo
22:05 - 11:55LHR-SIN
30h 50m1 stop
Shenzhen Airlines Logo
03:30 - 20:00SIN-LHR
23h 30m1 stop
$845Shenzhen Airlines
Find Deal
Mon, 1 Sep - Tue, 30 Sep
Lufthansa Logo
17:50 - 16:40LHR-SIN
15h 50m1 stop
Lufthansa Logo
23:25 - 08:15SIN-LHR
15h 50m1 stop
$866Lufthansa
Find Deal
Thu, 18 Sep - Mon, 29 Sep
Lufthansa Logo
07:25 - 16:40LHR-SIN
26h 15m1 stop
Lufthansa Logo
23:25 - 08:15SIN-LHR
15h 50m1 stop
$867Lufthansa
Find Deal
Sun, 14 Sep - Mon, 29 Sep
Shenzhen Airlines Logo
22:05 - 16:40LHR-SIN
35h 35m1 stop
Shenzhen Airlines Logo
12:55 - 20:00SIN-LHR
38h 05m1 stop
$872Shenzhen Airlines
Find Deal
Mon, 15 Sep - Sat, 11 Oct
Logo
17:50 - 16:40LHR-SIN
15h 50m1 stop
Logo
23:20 - 07:55SIN-LHR
15h 35m1 stop
$897
Find Deal
Thu, 18 Sep - Tue, 23 Sep
SWISS Logo
08:40 - 17:05LHR-SIN
25h 25m1 stop
SWISS Logo
23:20 - 07:55SIN-LHR
15h 35m1 stop
$931SWISS
Find Deal
Mon, 15 Sep - Mon, 22 Sep
Logo
17:50 - 16:40LHR-SIN
15h 50m1 stop
Logo
23:20 - 11:25SIN-LHR
19h 05m1 stop
$935
Find Deal
Thu, 18 Sep - Tue, 23 Sep
SWISS Logo
08:40 - 17:05LHR-SIN
25h 25m1 stop
SWISS Logo
23:20 - 07:55SIN-LHR
15h 35m1 stop
$937SWISS
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Wed, 24 Sep - Wed, 1 Oct
Etihad Airways Logo
20:55 - 09:40LHR-SIN
29h 45m1 stop
Etihad Airways Logo
21:10 - 18:45SIN-LHR
28h 35m1 stop
$943Etihad Airways
Find Deal
Tue, 16 Sep - Tue, 23 Sep

SWISS flights from London Heathrow Airport to Singapore

Our best SWISS deals on London Heathrow Airport to Singapore flight tickets
SWISS
15 Sept
LHR08:40London Heathrow
25h 25m
1 stop
SIN17:05Singapore Changi
22 Sept
SIN23:20Singapore Changi
15h 35m
1 stop
LHR07:55London Heathrow
$931
Find similar
SWISS
24 Sept
LHR08:40London Heathrow
25h 25m
1 stop
SIN17:05Singapore Changi
1 Oct
SIN23:20Singapore Changi
15h 35m
1 stop
LHR07:55London Heathrow
$937
Find similar
SWISS
16 Sept
LHR06:00London Heathrow
28h 05m
1 stop
SIN17:05Singapore Changi
23 Sept
SIN23:20Singapore Changi
25h 30m
1 stop
LHR17:50London Heathrow
$965
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Etihad Airways flights from London Heathrow Airport to Singapore

Our best Etihad Airways deals on London Heathrow Airport to Singapore flight tickets
Etihad Airways
16 Sept
LHR20:55London Heathrow
29h 45m
1 stop
SIN09:40Singapore Changi
23 Sept
SIN21:10Singapore Changi
28h 35m
1 stop
LHR18:45London Heathrow
$943
Find similar
Etihad Airways
15 Aug
LHR09:30London Heathrow
17h 10m
1 stop
SIN09:40Singapore Changi
25 Aug
SIN21:10Singapore Changi
28h 35m
1 stop
LHR18:45London Heathrow
$1,677
Find similar
Etihad Airways
16 Aug
LHR21:45London Heathrow
28h 55m
1 stop
SIN09:40Singapore Changi
20 Aug
SIN21:10Singapore Changi
28h 35m
1 stop
LHR18:45London Heathrow
$1,916
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Singapore 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, momondo users made 78,305 searches. Data last updated 2 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 3/9

22:05-16:40

1 stop35h 35m

Singapore Changi

Tue 30/9

18:10-20:00

1 stop32h 50m

$839

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 1/9

22:05-11:55

1 stop30h 50m

Singapore Changi

Tue 30/9

03:30-20:00

1 stop23h 30m

$845

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 18/9

17:50-16:40

1 stop15h 50m

Singapore Changi

Mon 29/9

23:25-08:15

1 stop15h 50m

$866

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 14/9

07:25-16:40

1 stop26h 15m

Singapore Changi

Mon 29/9

23:25-08:15

1 stop15h 50m

$867

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 15/9

22:05-16:40

1 stop35h 35m

Singapore Changi

Sat 11/10

12:55-20:00

1 stop38h 05m

$872

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 18/9

17:50-16:40

1 stop15h 50m

Singapore Changi

Tue 23/9

23:20-07:55

1 stop15h 35m

$897

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 15/9

08:40-17:05

1 stop25h 25m

Singapore Changi

Mon 22/9

23:20-07:55

1 stop15h 35m

$931

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 18/9

17:50-16:40

1 stop15h 50m

Singapore Changi

Tue 23/9

23:20-11:25

1 stop19h 05m

$935

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 24/9

08:40-17:05

1 stop25h 25m

Singapore Changi

Wed 1/10

23:20-07:55

1 stop15h 35m

$937

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 16/9

20:55-09:40

1 stop29h 45m

Singapore Changi

Tue 23/9

21:10-18:45

1 stop28h 35m

$943

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Singapore from

How to get the cheapest flight ticket from London Heathrow Airport to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Singapore?

In general, May is the cheapest month to fly from London Heathrow Airport to Singapore. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,094. If you aren’t able to travel during the month of May, then book flights to Singapore from London Heathrow Airport during September instead. Flights to Singapore in September, while not as cheap as those in May, still average around $1,157.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart on your flight to Singapore is on a Tuesday when prices can be found for as low as $2,138. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Singapore on Sunday is $2,432.

What is the cheapest time of day to depart on your flight to Singapore?

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Singapore when you can find flight prices for as low as $1,348. Flying to Singapore in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $2,383. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Singapore Changi flight route?

Fly from London Heathrow to Singapore Changi for the best London Heathrow - Singapore Changi flight prices

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,342 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from London Heathrow Airport for as low as $1,202 on momondo.

What cabin class options are available on London Heathrow to Singapore Changi flights?

There are 4 cabin classes available to choose from on London Heathrow to Singapore Changi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Singapore flight prices changed over time?

As of August 2025, prices for London Heathrow Airport to Singapore flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Singapore according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Singapore (LHR to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Singapore

Best price found

$515

Fastest flight time

13h 15m

Direct flights

Every day

Airports in Singapore

1 airport
The best one-way flight to Singapore from London Heathrow Airport in the past 72 hours is $515. The best return flight deal from London Heathrow Airport to Singapore found on momondo in the last 72 hours is $839.
The fastest flight from London Heathrow Airport to Singapore takes 13h 15m
Direct flights go from London Heathrow Airport to Singapore every day.
There is 1 airport near Singapore: Singapore Changi (SIN)
Search flight deals

  • How far is London Heathrow to Singapore Changi by plane?

    The straight-line distance from London Heathrow to Singapore Changi is 10869.4 km. In terms of flight time, this usually takes a little over 15h 25m.

  • When did momondo last update prices for flights from London Heathrow Airport to Singapore Changi Airport?

    Prices for flights from London Heathrow Airport to Singapore Changi Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London Heathrow Airport to Singapore Changi Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Singapore Changi Airport.

  • What documentation or ID do you need to fly to Singapore Changi Airport?

    The travel and health documents you'll need for your trip to Singapore Changi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Singapore Changi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to Singapore?

Why use momondo?

Why should I use momondo to find a flight deal from London to Singapore?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Singapore. momondo saves you time and could save you money on your trip.

Can I find flights from London to Singapore with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Singapore flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Singapore?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Singapore from London.

I’m not ready to book a flight from London to Singapore right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Singapore from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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