Best time to find cheap flights, 4% potential price drop
Average for round-trip flights in March 2021
From Sydney to London
One-way flight from Sydney to London
Cheapest prices for Heathrow flights by month
Currently, the cheapest month for flights to Heathrow is February. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.
When is the best time to fly to Heathrow?
SYD - LON
$1,020 - $1,858
9 - 23 °C
35 - 71 mm
The best time to fly to Heathrow is during February, but great deals can be found at other times. If you are looking for warm weather when you arrive off of your flight to Heathrow then July is statistically the hottest. October is historically the period with most rainfall.
When is the best time to book a flight to Heathrow?
The best time to book flights to Heathrow is 61 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 Heathrow?
At the moment, Tuesday is the most economical day to take a flight to Heathrow. Friday is likely to be the most costly.
What time of day is cheapest to fly to LHR airport?
Flights in the evening are typically the cheapest time of the day to fly to Heathrow. Flights in the afternoon are usually the most expensive.