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Cheap flights from London Heathrow Airport to Singapore from $393

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 10/15. 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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Find the cheapest flights from London Heathrow Airport to Singapore

Cheap round-trip flights

Lufthansa Logo
5:50 pm - 5:25 pmLHR-SIN
15h 35m1 stop
Lufthansa Logo
11:55 pm - 8:45 amSIN-LHR
16h 50m1 stop
$611Lufthansa
Find Deal
Thu, Oct 30 - Thu, Nov 6
Logo
5:50 pm - 5:25 pmLHR-SIN
15h 35m1 stop
Logo
12:05 am - 8:05 amSIN-LHR
16h 00m1 stop
$615
Find Deal
Thu, Nov 6 - Tue, Nov 18
Hainan Airlines Logo
9:00 pm - 11:10 amLHR-SIN
30h 10m2 stops
Hainan Airlines Logo
12:15 pm - 5:35 pmSIN-LHR
37h 20m2 stops
$626Hainan Airlines
Find Deal
Mon, Oct 27 - Thu, Nov 13
Air India Logo
8:30 pm - 6:30 pmLHR-SIN
38h 00m1 stop
Air India Logo
8:30 am - 8:30 pmSIN-LHR
20h 00m1 stop
$628Air India
Find Deal
Mon, Oct 27 - Fri, Oct 31
Hainan Airlines Logo
9:00 pm - 3:10 amLHR-SIN
22h 10m2 stops
Hainan Airlines Logo
12:15 pm - 5:35 pmSIN-LHR
37h 20m2 stops
$648Hainan Airlines
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Fri, Feb 6 - Thu, Mar 5
Gulf Air Logo
10:00 am - 12:20 pmLHR-SIN
19h 20m1 stop
Gulf Air Logo
8:00 pm - 6:55 amSIN-LHR
17h 55m1 stop
$658Gulf Air
Find Deal
Mon, Oct 13 - Thu, Oct 16
Air India Logo
1:30 pm - 6:30 pmLHR-SIN
21h 00m1 stop
Air India Logo
7:40 pm - 11:05 amSIN-LHR
23h 25m1 stop
$663Air India
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Wed, Oct 29 - Fri, Nov 14
Etihad Airways Logo
7:20 pm - 9:35 amLHR-SIN
30h 15m1 stop
Etihad Airways Logo
7:25 pm - 2:30 pmSIN-LHR
27h 05m1 stop
$664Etihad Airways
Find Deal
Thu, Oct 30 - Thu, Nov 13
Etihad Airways Logo
8:55 pm - 9:40 amLHR-SIN
29h 45m1 stop
Etihad Airways Logo
9:10 pm - 6:45 pmSIN-LHR
28h 35m1 stop
$665Etihad Airways
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Thu, Oct 2 - Thu, Oct 9
Gulf Air Logo
10:05 pm - 12:20 pmLHR-SIN
31h 15m1 stop
Gulf Air Logo
8:00 pm - 3:20 pmSIN-LHR
26h 20m1 stop
$687Gulf Air
Find Deal
Wed, Oct 1 - Wed, Oct 8

Hainan Airlines flights from London Heathrow Airport to Singapore

Our best Hainan Airlines deals on London Heathrow Airport to Singapore flight tickets
Hainan Airlines
Oct 27
LHR9:00 pmLondon Heathrow
30h 10m
2 stops
SIN11:10 amSingapore Changi
Nov 13
SIN12:15 pmSingapore Changi
37h 20m
2 stops
LHR5:35 pmLondon Heathrow
$626
Find similar
Hainan Airlines
Feb 6
LHR9:00 pmLondon Heathrow
22h 10m
2 stops
SIN3:10 amSingapore Changi
Mar 5
SIN12:15 pmSingapore Changi
37h 20m
2 stops
LHR5:35 pmLondon Heathrow
$648
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SWISS flights from London Heathrow Airport to Singapore

Our best SWISS deals on London Heathrow Airport to Singapore flight tickets
SWISS
Nov 5
LHR6:40 pmLondon Heathrow
15h 20m
1 stop
SIN6:00 pmSingapore Changi
Nov 24
SIN12:05 amSingapore Changi
16h 00m
1 stop
LHR8:05 amLondon Heathrow
$637
Find similar
SWISS
Mar 8
LHR5:10 pmLondon Heathrow
16h 50m
1 stop
SIN6:00 pmSingapore Changi
Mar 24
SIN12:05 amSingapore Changi
16h 00m
1 stop
LHR8:05 amLondon Heathrow
$671
Find similar
SWISS
Nov 5
LHR5:10 pmLondon Heathrow
16h 50m
1 stop
SIN6:00 pmSingapore Changi
Nov 25
SIN12:05 amSingapore Changi
21h 35m
2 stops
LHR1:40 pmLondon Heathrow
$672
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momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated September 15, 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

Thu 10/30

5:50 pm-5:25 pm

1 stop15h 35m

Singapore Changi

Thu 11/6

11:55 pm-8:45 am

1 stop16h 50m

$611

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 11/6

5:50 pm-5:25 pm

1 stop15h 35m

Singapore Changi

Tue 11/18

12:05 am-8:05 am

1 stop16h 00m

$615

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 10/27

9:00 pm-11:10 am

2 stops30h 10m

Singapore Changi

Thu 11/13

12:15 pm-5:35 pm

2 stops37h 20m

$626

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 10/27

8:30 pm-6:30 pm

1 stop38h 00m

Singapore Changi

Fri 10/31

8:30 am-8:30 pm

1 stop20h 00m

$628

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Fri 2/6

9:00 pm-3:10 am

2 stops22h 10m

Singapore Changi

Thu 3/5

12:15 pm-5:35 pm

2 stops37h 20m

$648

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Mon 10/13

10:00 am-12:20 pm

1 stop19h 20m

Singapore Changi

Thu 10/16

8:00 pm-6:55 am

1 stop17h 55m

$658

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 10/29

1:30 pm-6:30 pm

1 stop21h 00m

Singapore Changi

Fri 11/14

7:40 pm-11:05 am

1 stop23h 25m

$663

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 10/30

7:20 pm-9:35 am

1 stop30h 15m

Singapore Changi

Thu 11/13

7:25 pm-2:30 pm

1 stop27h 05m

$664

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Thu 10/2

8:55 pm-9:40 am

1 stop29h 45m

Singapore Changi

Thu 10/9

9:10 pm-6:45 pm

1 stop28h 35m

$665

LondonSingapore

LHR - SIN

LHRSIN

London Heathrow

Wed 10/1

10:05 pm-12:20 pm

1 stop31h 15m

Singapore Changi

Wed 10/8

8:00 pm-3:20 pm

1 stop26h 20m

$687

Flights are sorted by cheapest round-trip 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 typical price of a round-trip flight between London Heathrow Airport and Singapore?

What is the cheapest month to fly to Singapore?

The month of May is, on average, the cheapest month to fly to Singapore from London Heathrow Airport, with most prices found around $702. If you aren’t able to travel to Singapore during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $729.

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

The cheapest day to depart from London Heathrow Airport to Singapore is on a Thursday when prices can be found for as low as $1,068. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,294.

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 $780. Flying to Singapore in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,240 on average. Flights to Singapore from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $858 when searching weeks out. 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 $770 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.

Can stopping save me money on London Heathrow Airport to Singapore flights?

You could potentially save up to 15% on your flight if you consider stops on a London Heathrow Airport to Singapore flight.

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

As of September 2025, prices for London Heathrow Airport to Singapore flights are approximately 12% cheaper 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 round-trip 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

$735

Fastest flight time

13h 00m

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 $735. The best round-trip flight deal from London Heathrow Airport to Singapore found on momondo in the last 72 hours is $1,101.
The fastest flight from London Heathrow Airport to Singapore takes 13h 00m
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 distance between London Heathrow and Singapore Changi is about 6753.9 mi. Flights usually cover this in 15h 20m, depending on flying conditions and air traffic around both airports.

  • 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 many operators does momondo search for flights from London Heathrow Airport to Singapore Changi Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Singapore Changi Airport.

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

    The necessary travel and health documents for your Singapore Changi Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

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

Best airlines flying from London Heathrow Airport to Singapore

Compare and see reviews for airlines that fly from London Heathrow Airport to Singapore with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $620Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Gulf AirPriceFrom $625Free CancellationRating
7.1
209 reviews
Search Gulf Air flights
Etihad AirwaysPriceFrom $652Free CancellationRating
7.4
1,250 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom $697Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights
LufthansaPriceFrom $715Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
Thai AirwaysPriceFrom $782Free CancellationRating
7.8
350 reviews
Search Thai Airways flights

  • Singapore Airlines Flights From London Heathrow Airport to Singapore

    Singapore Airlines operates around 28 flights from London Heathrow Airport to Singapore every week. The average price of these flights found in the last 72 hours has been $970, but momondo users have found Singapore Airlines deals from London Heathrow Airport to Singapore from as low as $697 round-trip. Singapore Airlines has been scored 8.1/10 in 1,365 reviews.

  • British Airways Flights From London Heathrow Airport to Singapore

    British Airways (6.6/10 from 7,361 reviews) operates around 14 flights from London Heathrow Airport to Singapore in any given week. The average British Airways airfare for this route is around $854, with deals from around $620 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to Singapore flight searches in the last 72 hours.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Singapore for you.

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?

momondo provides multiple filters to help you find the best flight to Singapore from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Singapore from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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