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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Mon. 30/11
Time
Anytime
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
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#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
Anytime
#removeLegButton($self.id("removeLeg$leg"))
From
#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
Leaving on
Depart
Time
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#removeLegButton($self.id("removeLeg$leg"))
#infantInLapWarning('multiRightOfTravelers')

Cheap Flights to Heathrow

Popular in December High demand for flights, 11% potential price rise
Cheapest in February Best time to find cheap flights, 4% potential price drop
Average price $1,207 Average for round-trip flights in November 2020
Round-trip from $1,199 From Sydney to London
One-way from $793 One-way flight from Sydney to London
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Cheapest prices for Heathrow flights by month

January
$1,138
February
$1,090
March
$1,107
April
$1,218
May
$1,134
June
$1,224
July
$1,324
August
$1,264
September
$1,321
October
$1,095
November
$1,107
December
$1,435
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?

Choose a month below to see average flight price and weather conditions.
SYD - LON
Price
$1,090 - $1,986
LON
Temperature
9 - 23 °C
LON
Rainfall
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.

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Cheap tickets to Heathrow found by our users in Australia

Cheapest flights to United Kingdom

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