Heathrow's strict security can delay you. Ensure liquids are in one bag and remove suspicious items to avoid long waits.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $639 (Booking.com) |
One-way from | $390 (Kiwi.com) |
Popular in | December |
Cheapest in | May |
Average price | $758 |
Good round-trip deal | $989 or less |
Good one-way deal | $1,230 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonSingapore
LGW - SIN
LGWSIN
London Gatwick
vie. 1/23
10:35 am-12:30 pm
1 stop17h 55m
Singapore Changi
jue. 1/29
8:00 pm-6:20 am
1 stop18h 20m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
mié. 1/28
9:30 am-12:30 pm
1 stop19h 00m
Singapore Changi
sáb. 1/31
8:00 pm-6:35 am
1 stop18h 35m
LondonSingapore
LGW - SIN
LGWSIN
London Gatwick
jue. 3/12
10:20 am-10:00 am
1 stop15h 40m
Singapore Changi
dom. 3/22
10:15 am-10:35 pm
1 stop20h 20m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
sáb. 4/4
10:05 pm-4:40 pm
1 stop35h 35m
Singapore Changi
mar. 4/21
1:20 pm-8:00 pm
1 stop37h 40m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
vie. 4/10
7:30 am-6:30 pm
1 stop28h 00m
Singapore Changi
lun. 4/20
9:35 pm-9:10 am
1 stop18h 35m
LondonSingapore
LGW - SIN
LGWSIN
London Gatwick
mié. 5/6
6:35 pm-5:10 pm
1 stop15h 35m
Singapore Changi
mié. 5/13
11:25 pm-8:20 am
1 stop15h 55m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
jue. 5/14
8:50 pm-12:10 am
2 stops20h 20m
Singapore Changi
jue. 5/21
4:35 pm-7:10 pm
2 stops33h 35m
LondonSingapore
LGW - SIN
LGWSIN
London Gatwick
mar. 2/3
6:25 am-10:00 am
1 stop19h 35m
Singapore Changi
sáb. 2/7
5:15 am-4:10 pm
1 stop18h 55m
LondonSingapore
LGW - SIN
LGWSIN
London Gatwick
lun. 1/19
10:20 am-5:35 pm
1 stop23h 15m
Singapore Changi
lun. 2/2
11:40 am-10:35 pm
1 stop18h 55m
LondonSingapore
LGW - SIN
LGWSIN
London Gatwick
lun. 2/2
5:05 pm-10:00 am
1 stop32h 55m
Singapore Changi
mié. 2/18
11:40 am-10:35 pm
1 stop18h 55m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
The price you pay for your flight from London to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, August is the cheapest month in which you can book a flight from London to Singapore (average of $523). Flying from London to Singapore in July is currently the most expensive (average of $683). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from London to Singapore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The most flights from LON to SIN are scheduled on a Monday (37 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (35 on average).
Manama (BAH) – chosen by Cheapflights users on 50% of 1-stop itineraries from London to Singapore on Cheapflights.
Manama (BAH) is the most affordable 1-stop option, with an average round-trip price of $640.
Flights via Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 15h 25m.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 1h 05m.
About 26% of weekly flights between London and Singapore have experienced delays in the past year, with the average delay time being 108 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Qantas Airways have had the lowest number of delays on this route, with just 14% of flights being delayed.
Crew
Entertainment
Overall
Comfort
Boarding
Food
Reviews
Wee Keng,Dec 2025
HKG - SIN
Crew
Entertainment
Overall
Comfort
Boarding
Food
Reviews
Wee Keng,Dec 2025
HKG - SIN
Crew
Entertainment
Overall
Comfort
Boarding
Food
Reviews
Wee Keng,Dec 2025
HKG - SIN
Crew
Entertainment
Overall
Comfort
Boarding
Food
Reviews
Wee Keng,Dec 2025
HKG - SIN
Crew
Entertainment
Overall
Comfort
Boarding
Food
Reviews
Wee Keng,Dec 2025
HKG - SIN
Crew
Entertainment
Overall
Comfort
Boarding
Food
Reviews
Wee Keng,Dec 2025
HKG - SIN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$620 | Average$852 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$645 | Average$716 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$649 | Average$720 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$732 | Average$971 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$782 | Average$815 | FlexibilityNo cancel fee | On-time77% |