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Cheap flights from London to Singapore from $650

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 to Singapore departing on 21/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Multiple Airlines Logo
17:50 - 17:25LHR-SIN
15h 35m1 stop
Multiple Airlines Logo
00:05 - 08:05SIN-LHR
16h 00m1 stop
$960Multiple Airlines
Find Deal
Thu, 19 Feb - Wed, 18 Mar
Lufthansa Logo
17:50 - 17:25LHR-SIN
15h 35m1 stop
Lufthansa Logo
23:40 - 08:40SIN-LHR
16h 00m1 stop
$961Lufthansa
Find Deal
Fri, 5 Dec - Tue, 5 May
SWISS Logo
14:25 - 18:00LHR-SIN
19h 35m2 stops
SWISS Logo
00:05 - 08:05SIN-LHR
16h 00m1 stop
$980SWISS
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Tue, 3 Mar - Mon, 16 Mar
SWISS Logo
17:10 - 18:00LHR-SIN
16h 50m1 stop
SWISS Logo
00:05 - 13:40SIN-LHR
21h 35m2 stops
$981SWISS
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Thu, 26 Feb - Wed, 18 Mar
SWISS Logo
18:40 - 18:00LHR-SIN
15h 20m1 stop
SWISS Logo
00:05 - 16:20SIN-LHR
24h 15m1 stop
$987SWISS
Find Deal
Thu, 19 Mar - Sun, 22 Mar
SWISS Logo
18:40 - 18:00LHR-SIN
15h 20m1 stop
SWISS Logo
00:05 - 16:20SIN-LHR
24h 15m1 stop
$990SWISS
Find Deal
Thu, 19 Mar - Sun, 22 Mar
Multiple Airlines Logo
18:40 - 18:00LHR-SIN
15h 20m1 stop
Multiple Airlines Logo
23:40 - 08:40SIN-LHR
16h 00m1 stop
$992Multiple Airlines
Find Deal
Thu, 4 Dec - Thu, 7 May
SWISS Logo
14:25 - 17:05LHR-SIN
19h 40m2 stops
SWISS Logo
23:30 - 07:55SIN-LHR
15h 25m1 stop
$1,003SWISS
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Tue, 12 May - Tue, 19 May
Lufthansa Logo
17:50 - 16:40LHR-SIN
15h 50m1 stop
Lufthansa Logo
23:25 - 08:15SIN-LHR
15h 50m1 stop
$1,013Lufthansa
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Wed, 15 Apr - Mon, 27 Apr
Gulf Air Logo
21:50 - 12:30LHR-SIN
30h 40m1 stop
Gulf Air Logo
20:25 - 06:35SIN-LHR
18h 10m1 stop
$1,016Gulf Air
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Sun, 22 Mar - Thu, 26 Mar

SWISS flights from London to Singapore

Our best SWISS deals on London to Singapore flight tickets
SWISS
3 Mar
LHR14:25London Heathrow
19h 35m
2 stops
SIN18:00Singapore Changi
16 Mar
SIN00:05Singapore Changi
16h 00m
1 stop
LHR08:05London Heathrow
$980
Find similar
SWISS
26 Feb
LHR17:10London Heathrow
16h 50m
1 stop
SIN18:00Singapore Changi
18 Mar
SIN00:05Singapore Changi
21h 35m
2 stops
LHR13:40London Heathrow
$981
Find similar
SWISS
19 Mar
LHR18:40London Heathrow
15h 20m
1 stop
SIN18:00Singapore Changi
22 Mar
SIN00:05Singapore Changi
24h 15m
1 stop
LHR16:20London Heathrow
$987
Find similar

Gulf Air flights from London to Singapore

Our best Gulf Air deals on London to Singapore flight tickets
Gulf Air
22 Mar
LHR21:50London Heathrow
30h 40m
1 stop
SIN12:30Singapore Changi
26 Mar
SIN20:25Singapore Changi
18h 10m
1 stop
LHR06:35London Heathrow
$1,016
Find similar
Gulf Air
20 Jan
LHR09:30London Heathrow
19h 00m
1 stop
SIN12:30Singapore Changi
2 Feb
SIN20:25Singapore Changi
18h 10m
1 stop
LHR06:35London Heathrow
$1,021
Find similar
Gulf Air
20 Apr
LHR10:00London Heathrow
19h 20m
1 stop
SIN12:20Singapore Changi
27 Apr
SIN20:00Singapore Changi
17h 55m
1 stop
LHR06:55London Heathrow
$1,041
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London 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 13 November 2025.
Use the filters below to find and compare flights from London to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 19/2

17:50-17:25

1 stop15h 35m

Singapore Changi

Wed 18/3

00:05-08:05

1 stop16h 00m

$960

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 5/12

17:50-17:25

1 stop15h 35m

Singapore Changi

Tue 5/5

23:40-08:40

1 stop16h 00m

$961

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 3/3

14:25-18:00

2 stops19h 35m

Singapore Changi

Mon 16/3

00:05-08:05

1 stop16h 00m

$980

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 26/2

17:10-18:00

1 stop16h 50m

Singapore Changi

Wed 18/3

00:05-13:40

2 stops21h 35m

$981

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 19/3

18:40-18:00

1 stop15h 20m

Singapore Changi

Sun 22/3

00:05-16:20

1 stop24h 15m

$987

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 19/3

18:40-18:00

1 stop15h 20m

Singapore Changi

Sun 22/3

00:05-16:20

1 stop24h 15m

$990

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 4/12

18:40-18:00

1 stop15h 20m

Singapore Changi

Thu 7/5

23:40-08:40

1 stop16h 00m

$992

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Tue 12/5

14:25-17:05

2 stops19h 40m

Singapore Changi

Tue 19/5

23:30-07:55

1 stop15h 25m

$1,003

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 15/4

17:50-16:40

1 stop15h 50m

Singapore Changi

Mon 27/4

23:25-08:15

1 stop15h 50m

$1,013

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Sun 22/3

21:50-12:30

1 stop30h 40m

Singapore Changi

Thu 26/3

20:25-06:35

1 stop18h 10m

$1,016

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 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 to Singapore. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,047. If you aren’t able to travel during the month of May, then book flights to Singapore from London during March instead. Flights to Singapore in March, while not as cheap as those in May, still average around $1,096.

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 $2,166. 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 Thursday as prices are generally higher than usual. According to our data, the average ticket price to Singapore on Thursday is $2,348.

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

In the evening is the cheapest time of day to fly from London to Singapore when you can find flight prices for as low as $2,245. Flying to Singapore in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $2,246. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to Singapore Changi flight route?

Fly from London Heathrow to Singapore Changi for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,313 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 for as low as $1,166 on momondo.

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

There are 4 cabin classes available to choose from on London 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 to Singapore flight prices changed over time?

As of November 2025, prices for London to Singapore flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from London to Singapore

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

Cheap London to Singapore (LON to SIN) flight deals and tips

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

Best price found

$1,632

Fastest flight time

13h 00m

Direct flights

Every day

Airports in Singapore

1 airport
The best one-way flight to Singapore from London in the past 72 hours is $1,632. The best return flight deal from London to Singapore found on momondo in the last 72 hours is $2,032.
The fastest flight from London to Singapore takes 13h 00m
Direct flights go from London to Singapore every day.
There is 1 airport near Singapore: Singapore Changi (SIN)
Search flight deals

  • How far is London to Singapore Changi by plane?

    The straight-line distance from London to Singapore Changi is 10846.3 km. By plane, this route typically takes 15h 20m.

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

    Prices for flights from London to Singapore Changi Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London to Singapore Changi Airport.

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

    The travel and health documents required for your trip to Singapore Changi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Singapore Changi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

  • What is the most popular airline from London 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?

momondo does allow users to show only those flights to Singapore from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Singapore.

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

Of course. momondo tracks the price of London to Singapore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Singapore

Cabin classes currently available on flights to Singapore

List of cabin classes available on flights landing in Singapore. Availability may vary depending on flight origin and airline.
First Class to Singaporefrom $3,779
Business Class to Singaporefrom $885