
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $675 (China Eastern) |
One-way from | $397 (Booking.com) |
Popular in | December |
Cheapest in | May |
Average price | $811 |
Good round-trip deal | $818 or less |
Good one-way deal | $468 or less |
Fly from
Fly to
Route
Depart
Return
LondonSingapore
LGW - SIN
LGWSIN
London Gatwick
Sat 5/9
11:35 am-3:45 pm
1 stop21h 10m
Singapore Changi
Sat 5/23
12:40 pm-3:00 pm
2 stops57h 20m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
Sat 6/20
9:45 am-12:10 pm
1 stop19h 25m
Singapore Changi
Sat 7/4
7:40 pm-10:15 am
1 stop21h 35m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
Thu 6/4
11:20 am-7:30 am
Nonstop13h 10m
Singapore Changi
Wed 6/24
9:00 am-3:45 pm
Nonstop13h 45m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
Wed 4/22
8:50 pm-12:10 am
2 stops20h 20m
Singapore Changi
Wed 4/29
6:20 am-7:10 pm
2 stops19h 50m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
Sat 4/11
8:25 am-3:35 pm
2 stops24h 10m
Singapore Changi
Sat 4/25
9:15 pm-7:10 pm
2 stops28h 55m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
Thu 5/21
11:20 am-7:30 am
Nonstop13h 10m
Singapore Changi
Sat 7/4
12:35 pm-7:30 pm
Nonstop13h 55m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
Thu 7/2
10:00 am-12:45 pm
1 stop19h 45m
Singapore Changi
Thu 7/23
8:00 pm-3:20 pm
1 stop26h 20m
LondonSingapore
LGW - SIN
LGWSIN
London Gatwick
Tue 7/21
10:25 am-6:05 pm
1 stop24h 40m
Singapore Changi
Mon 7/27
2:10 pm-7:20 am
1 stop24h 10m
LondonSingapore
LGW - SIN
LGWSIN
London Gatwick
Sat 9/5
11:35 am-5:00 pm
1 stop22h 25m
Singapore Changi
Sun 9/13
12:40 pm-3:00 pm
2 stops33h 20m
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
Wed 4/1
8:50 pm-8:25 pm
2 stops40h 35m
Singapore Changi
Wed 4/8
3:35 pm-7:10 pm
2 stops34h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | 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 83 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 $519). Flying from London to Singapore in July is currently the most expensive (average of $703). 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 23% of weekly flights between London and Singapore have experienced delays in the past year, with the average delay time being 103 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 15% of flights being delayed.
Food
Comfort
Boarding
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
SAI - SIN
Food
Comfort
Boarding
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
SAI - SIN
Food
Comfort
Boarding
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
SAI - SIN
Food
Comfort
Boarding
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
SAI - SIN
Food
Comfort
Boarding
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
SAI - SIN
Food
Comfort
Boarding
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
SAI - SIN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$602 | Average$856 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$625 | Average$716 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$649 | Average$730 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$741 | Average$963 | FlexibilityNo cancel fee | On-time81% |