Find cheap flights from London to Sydney

LON - SYD

Find cheap flights from London to Sydney

Round-trip
Economy
London (LON)
Sydney Kingsford Smith
Sat 5/30
Sat 6/6
Any month
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Good to know

Low season

November Best time to beat the crowds with an average 17% drop in price.

High season

December Most popular time to fly with an average 26% increase in price.

Average price of a round-trip

$765 (avg. price over the last 2 weeks)

Good deal for a round-trip

$978 or less

When to book flights from London to Sydney

Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $945 or less.
  • The cheapest flight from London to Sydney was found 48 days before departure, on average.
  • Book at least 5 weeks before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is November.
  • Morning departure is around 4% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking London to Sydney flights

Are flight prices cheaper from London to Sydney because of Coronavirus (COVID-19)?

How long does a flight from London to Sydney take?

Which airlines provide the cheapest flights from London to Sydney?

Do I need a passport to fly between London and Sydney?

What’s the cheapest day of the week to fly London to Sydney?

Which airports will I be using when flying from London to Sydney?

Does Sydney International Airport have onsite hotels?

Does Sydney International Airport serve as a hub for any airlines?

Can I fill up a water bottle at London airports and Sydney International Airport?

What is the fastest way to get into Sydney from the airport?

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Book cheap flights from London to Sydney (round-trip)

Airports
Origin
London
$667
only
$667
$638
only
$638
Destination
Sydney
$638
only
$638
Mon, Nov 2
LGW
London Gatwick Airport
SYD
Sydney Airport
22h 30m
Mon, Nov 16
SYD
Sydney Airport
LGW
London Gatwick Airport
29h 30m
Trip: 15 days
Based on null reviews
Mon, Nov 2
LGW
London Gatwick Airport
SYD
Sydney Airport
22h 30m
Mon, Nov 16
SYD
Sydney Airport
LGW
London Gatwick Airport
42h 05m
Trip: 15 days
Based on null reviews
Tue, Nov 10
LGW
London Gatwick Airport
SYD
Sydney Airport
33h 05m
Wed, Nov 25
SYD
Sydney Airport
LGW
London Gatwick Airport
24h 40m
Trip: 16 days
Based on null reviews
Thu, Nov 12
LGW
London Gatwick Airport
SYD
Sydney Airport
33h 05m
Wed, Jan 20
SYD
Sydney Airport
LGW
London Gatwick Airport
24h 40m
Trip: 70 days
Based on null reviews
Mon, Nov 2
LGW
London Gatwick Airport
SYD
Sydney Airport
33h 05m
Mon, Nov 16
SYD
Sydney Airport
LGW
London Gatwick Airport
31h 35m
Trip: 15 days
Based on null reviews
Tue, Nov 10
LGW
London Gatwick Airport
SYD
Sydney Airport
33h 05m
Wed, Nov 25
SYD
Sydney Airport
LGW
London Gatwick Airport
24h 40m
Trip: 16 days
Based on null reviews
Wed, Jul 1
LHR
London Heathrow Airport
SYD
Sydney Airport
25h 45m
Sun, Aug 9
SYD
Sydney Airport
LHR
London Heathrow Airport
25h 05m
Trip: 40 days
Based on null reviews
Mon, Nov 2
LGW
London Gatwick Airport
SYD
Sydney Airport
22h 30m
Mon, Nov 16
SYD
Sydney Airport
LGW
London Gatwick Airport
31h 35m
Trip: 15 days
Based on null reviews
Mon, Nov 2
LHR
London Heathrow Airport
SYD
Sydney Airport
22h 35m
Mon, Nov 16
SYD
Sydney Airport
LHR
London Heathrow Airport
30h 00m
Trip: 15 days
Based on null reviews
Tue, Nov 10
LGW
London Gatwick Airport
SYD
Sydney Airport
22h 30m
Sun, Nov 15
SYD
Sydney Airport
LGW
London Gatwick Airport
31h 35m
Trip: 6 days
Based on null reviews
Tue, Nov 10
LHR
London Heathrow Airport
SYD
Sydney Airport
22h 35m
Wed, Nov 25
SYD
Sydney Airport
LHR
London Heathrow Airport
27h 40m
Trip: 16 days
Based on null reviews
Thu, Nov 5
LGW
London Gatwick Airport
SYD
Sydney Airport
33h 05m
Wed, Nov 11
SYD
Sydney Airport
LGW
London Gatwick Airport
24h 40m
Trip: 7 days
Based on null reviews
Wed, Nov 4
LGW
London Gatwick Airport
SYD
Sydney Airport
22h 30m
Wed, Nov 18
SYD
Sydney Airport
LGW
London Gatwick Airport
24h 40m
Trip: 15 days
Based on null reviews
Thu, Jul 2
LGW
London Gatwick Airport
SYD
Sydney Airport
23h 00m
Thu, Jul 9
SYD
Sydney Airport
LGW
London Gatwick Airport
29h 35m
Trip: 8 days
Based on null reviews
Tue, Nov 10
LGW
London Gatwick Airport
SYD
Sydney Airport
33h 20m
Sun, Nov 15
SYD
Sydney Airport
LGW
London Gatwick Airport
29h 30m
Trip: 6 days
Based on null reviews
Tue, Nov 10
LGW
London Gatwick Airport
SYD
Sydney Airport
33h 20m
Wed, Nov 25
SYD
Sydney Airport
LGW
London Gatwick Airport
29h 30m
Trip: 16 days
Based on null reviews
Thu, Nov 5
LGW
London Gatwick Airport
SYD
Sydney Airport
36h 35m
Thu, Dec 3
SYD
Sydney Airport
LGW
London Gatwick Airport
28h 55m
Trip: 29 days
Based on null reviews
Wed, Jul 1
LHR
London Heathrow Airport
SYD
Sydney Airport
27h 35m
Sun, Aug 9
SYD
Sydney Airport
LHR
London Heathrow Airport
25h 05m
Trip: 40 days
Based on null reviews
Mon, Jul 6
LHR
London Heathrow Airport
SYD
Sydney Airport
28h 10m
Mon, Aug 10
SYD
Sydney Airport
LHR
London Heathrow Airport
26h 20m
Trip: 36 days
Based on null reviews
Tue, Nov 10
LGW
London Gatwick Airport
SYD
Sydney Airport
33h 05m
Sun, Nov 15
SYD
Sydney Airport
LGW
London Gatwick Airport
29h 25m
Trip: 6 days
Based on null reviews
Show more results

Book cheap flights from London to Sydney (one-way)

Airports
Origin
London
$557
only
$557
$549
only
$549
Destination
Sydney
$549
only
$549
Sun, Aug 16
LGW
London Gatwick Airport
SYD
Sydney Airport
37h 30m
Based on null reviews
Wed, Jul 1
LHR
London Heathrow Airport
SYD
Sydney Airport
22h 25m
Based on null reviews
Sat, Aug 15
LGW
London Gatwick Airport
SYD
Sydney Airport
37h 30m
Based on null reviews
Wed, Jul 1
LGW
London Gatwick Airport
SYD
Sydney Airport
53h 05m
Based on null reviews
Sun, Jul 12
LHR
London Heathrow Airport
SYD
Sydney Airport
25h 25m
Based on null reviews
Tue, Aug 11
LGW
London Gatwick Airport
SYD
Sydney Airport
55h 45m
Based on null reviews
Fri, Aug 14
LGW
London Gatwick Airport
SYD
Sydney Airport
53h 30m
Based on null reviews
Tue, Aug 4
LGW
London Gatwick Airport
SYD
Sydney Airport
37h 30m
Based on null reviews
Fri, Jul 17
LHR
London Heathrow Airport
SYD
Sydney Airport
25h 25m
Based on null reviews
Tue, Aug 11
LHR
London Heathrow Airport
SYD
Sydney Airport
55h 35m
Based on null reviews
Wed, Aug 12
LGW
London Gatwick Airport
SYD
Sydney Airport
53h 45m
Based on null reviews
Fri, Jul 17
LHR
London Heathrow Airport
SYD
Sydney Airport
25h 25m
Based on null reviews
Wed, Aug 5
LGW
London Gatwick Airport
SYD
Sydney Airport
53h 05m
Based on null reviews
Sat, Jul 11
LHR
London Heathrow Airport
SYD
Sydney Airport
25h 25m
Based on null reviews
Wed, Aug 12
LHR
London Heathrow Airport
SYD
Sydney Airport
42h 40m
Based on null reviews
Thu, Aug 13
LGW
London Gatwick Airport
SYD
Sydney Airport
53h 45m
Based on null reviews
Sun, Jul 12
LHR
London Heathrow Airport
SYD
Sydney Airport
25h 25m
Based on null reviews
Sun, Aug 16
LHR
London Heathrow Airport
SYD
Sydney Airport
40h 30m
Based on null reviews
Sat, Aug 15
LHR
London Heathrow Airport
SYD
Sydney Airport
32h 35m
Based on null reviews
Sat, Jul 11
LHR
London Heathrow Airport
SYD
Sydney Airport
28h 00m
Based on null reviews
Show more results

Top 4 airlines serving London to Sydney Kingsford Smith

Scores according to KAYAK customer reviews

8.7
Singapore Airlines
Overall score based on 3,878 reviews
8.8
Boarding
8.5
Comfort
9.0
Crew
8.7
Entertainment
8.4
Food
Airline reviews
Read more about Singapore Airlines
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

^
The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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