Cheap Flights to London

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Home United Kingdom England Cheap flights to London, United Kingdom

Flights to London in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inJanuaryHigh demand for flights, 6% potential price rise
Cheapest inMayBest time to find cheap flights, 2% potential price drop
Average price18,859,350 ₫Average for round-trip flights in September 2021
Round-trip from19,881,846 ₫From Ho Chi Minh City to London
One-way from227,221 ₫One-way flight from Ho Chi Minh City (SGN) to London

Cheap flights to London in September, October 2021

The best prices found for LHR flights for September, October
26 Sep - 27 Sep
33,719,608 ₫pp
SGN
Ho Chi Minh City
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SGN
Ho Chi Minh City
26 Sep - 27 Sep
34,946,604 ₫pp
SGN
Ho Chi Minh City
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
     
3 STOPS
SGN
Ho Chi Minh City
26 Sep - 27 Sep
35,537,376 ₫pp
SGN
Ho Chi Minh City
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
SGN
Ho Chi Minh City

London 2021 flight deals

Cheap flights to London found for this year
20 Dec - 8 Jan
19,881,846 ₫pp
SGN
Ho Chi Minh City
Qatar Airways
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Qatar Airways
 
1 STOP
SGN
Ho Chi Minh City
20 Dec - 8 Jan
20,631,674 ₫pp
SGN
Ho Chi Minh City
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Qatar Airways
 
1 STOP
SGN
Ho Chi Minh City
13 Nov - 4 Dec
22,290,388 ₫pp
SGN
Ho Chi Minh City
Emirates
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Emirates
   
2 STOPS
SGN
Ho Chi Minh City

Cheapest Prices for London flights by month

The cheapest ticket to London found for each month in 2021 based on historical flight searches by Cheapflights users.
June
20,927,062 ₫
August
16,087,253 ₫
September
18,882,072 ₫
December
18,473,074 ₫
Currently, is the cheapest month in which you can book a flight to London. Flying to London in June 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 London?

Average London flight ticket prices and weather conditions for 2021 and 2022 by month.
SGN - LON
Price
16,436,946 ₫ - 27,607,816 ₫
LON
Temperature
9 - 23 °C
LON
Precipitation
35 - 71 mm
May is typically the best time to fly to London, but there are other times where great deals are available. If weather is an important factor for you when considering when to fly to London, the warmest period tends to be July, with the wettest being October.

When is the best time to book a flight to London?

The best time to book flights to London is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Which day is cheapest to fly to London?

The cheapest flights to London are usually found when departing on a Tuesday. The departure day with the highest cost at present is Saturday.

What time of day is cheapest to fly to London?

Flights in the afternoon are typically the cheapest time of the day to fly to London. Flights in the evening are usually the most expensive.

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to London flight prices.

Find the best prices for you!

Cheap tickets to London found by our users in Vietnam as recently as September 24, 2021.

London airports

See all airports in London, select one to find and compare flight prices.

Cheapest flights to United Kingdom

Not set on London? See the cheapest flights to Vietnam. Airfare prices updated on September 24, 2021.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2021.
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