Skip to main content
Cheap Flights to Heathrow
Return
Economy
Flights to Heathrow in 2021
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
| Popular in | December | High demand for flights, 6% potential price rise |
| Cheapest in | March | Best time to find cheap flights, 3% potential price drop |
| Average price | S$ 986 | Average for round-trip flights in October 2021 |
| Round-trip from | S$ 732 | From Singapore Changi to London Heathrow |
| One-way from | S$ 13 | One-way flight from Singapore Changi (SIN) to London Heathrow (LHR) |
Cheap flights to London Heathrow Airport in October, November 2021
The best prices found for LHR flights for October, November
16 Nov - 23 Nov
S$ 724pp
SIN
Singapore Changi
Multiple airlines
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
1 STOP
SIN
Singapore Changi
16 Nov - 23 Nov
S$ 736pp
SIN
Singapore Changi
Multiple airlines
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
1 STOP
SIN
Singapore Changi
5 Nov - 12 Jul
S$ 760pp
SIN
Singapore Changi
Finnair
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Finnair
1 STOP
SIN
Singapore Changi
London Heathrow Airport 2021 flight deals
Cheap flights to London Heathrow Airport found for this year
16 Nov - 23 Nov
S$ 724pp
SIN
Singapore Changi
Multiple airlines
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
1 STOP
SIN
Singapore Changi
16 Nov - 23 Nov
S$ 736pp
SIN
Singapore Changi
Multiple airlines
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
1 STOP
SIN
Singapore Changi
21 Dec - 10 Jan
S$ 742pp
SIN
Singapore Changi
Etihad Airways
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Etihad Airways
1 STOP
SIN
Singapore Changi
Last minute flights to London Heathrow Airport
Late deals on return flights to London Heathrow Airport, departing today and this week
23 Oct - 30 Oct
S$ 814pp
SIN
Singapore Changi
Multiple airlines
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
2 STOPS
SIN
Singapore Changi
23 Oct - 17 Nov
S$ 823pp
SIN
Singapore Changi
Emirates
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Emirates
1 STOP
SIN
Singapore Changi
23 Oct - 17 Nov
S$ 826pp
SIN
Singapore Changi
Emirates
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Emirates
1 STOP
SIN
Singapore Changi
Cheapest prices for Heathrow flights by month
The cheapest ticket to Heathrow found for each month in 2021 based on historical flight searches by Cheapflights users.
January
S$ 992
February
S$ 957
March
S$ 984
April
S$ 992
May
S$ 990
June
S$ 1,028
July
S$ 1,156
August
S$ 990
September
S$ 989
October
S$ 981
November
S$ 912
December
S$ 1,131
Currently, November is the cheapest month in which you can book a flight to London Heathrow (LHR). Flying to London Heathrow (LHR) in July will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
When is the best time to fly to Heathrow Airport?
Average London flight ticket prices and weather conditions for 2021 and 2022 by month.
|
SIN - LON Price
|
S$ 882 - S$ 1,285
|
|
LON Temperature
|
9 - 23 °C
|
|
LON Precipitation
|
35 - 71 mm
|
The best time to fly to London Heathrow is during June, but great deals can be found at other times. If weather is an important factor for you when considering when to fly to London Heathrow, the warmest period tends to be July, with the wettest being October.
When is the best time to book a flight to Heathrow?
To ensure you get the cheapest price possible for a flight to Heathrow, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Which day is cheapest to fly to Heathrow?
Tuesday is currently, on average, the cheapest day to fly to Heathrow. Flying on Friday will result in higher flight prices.
What time of day is cheapest to fly to LHR airport?
Heathrow flights can be made cheaper if you choose a flight in the afternoon. Booking a flight at midday will likely mean higher prices.
Alternative, similarly priced destinations
See alternative destinations where airfare is generally forecast to be close to Heathrow flight prices.
Find the best prices for you!
Cheap tickets to Heathrow found by our users in Singapore as recently as October 18, 2021.
Singapore to Heathrow flights
from S$ 732 pp
Cheapest flights to United Kingdom
Not set on Heathrow? See the cheapest flights to Singapore. Airfare prices updated on October 18, 2021.
Singapore to London flights
from S$ 732 pp
Singapore to Manchester flights
from S$ 779 pp
Singapore to Newcastle upon Tyne flights
from S$ 833 pp
Singapore to Glasgow flights
from S$ 883 pp
Singapore to Birmingham flights
from S$ 893 pp
Singapore to Leeds flights
from S$ 902 pp
Singapore to Aberdeen flights
from S$ 936 pp
Singapore to Edinburgh flights
from S$ 1,006 pp
Singapore to Cardiff flights
from S$ 1,014 pp
Singapore to Liverpool flights
from S$ 1,021 pp
Singapore to Bristol flights
from S$ 1,035 pp
Singapore to Belfast flights
from S$ 1,145 pp
Singapore to Southampton flights
from S$ 1,903 pp