Cheap Flights to Heathrow

Round-trip
Economy
Boston (BOS)
London (LON)
Wed 21/4
Wed 28/4
Any month
Compare vs. Cheapflights |
Home United Kingdom England London Cheap flights to London Heathrow

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 inJanuaryHigh demand for flights, 6% potential price rise
Cheapest inMayBest time to find cheap flights, 2% potential price drop
Average price17,088,900 ₫Average for round-trip flights in April 2021
Round-trip from20,635,652 ₫From Ho Chi Minh City to London
One-way from11,492,400 ₫One-way flight from Ho Chi Minh City to London

When is the best time to fly to Heathrow?

Average London flight ticket prices and weather conditions for 2021 and 2022 by month.
SGN - LON
Price
16,660,295 ₫ - 27,982,958 ₫
LON
Temperature
9 - 23 °C
LON
Rainfall
35 - 71 mm
Whilst there are several times of the year to choose from, February is seen as the time to fly to Heathrow, however, it is possible to get good deals throughout the year. If weather is an important factor for you when considering when to fly to 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 60 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?

The cheapest day to fly to Heathrow is usually Tuesday. At the moment, Saturday is the most expensive.

What time of day is cheapest to fly to LHR airport?

At the moment, flights in the afternoon are likely to offer the best value for money for your Heathrow trip. A flight in the evening will more often than not be of higher cost.

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 Vietnam as recently as April 14, 2021.

Cheapest flights to United Kingdom

Not set on Heathrow? See the cheapest flights to Vietnam. Airfare prices updated on April 14, 2021.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2021.
Home United Kingdom England London Cheap flights to London Heathrow
  • Round-trip
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First