Cheap flights from Australia to London from $635

SYD — LON
26 Oct — 2 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to London

Enter your travel dates to find the best prices.

Cheapest flights from Australia to London

Sun 1/1120:45 -
2 stops32h 30m
Sun 29/1121:00 -
1 stop30h 05m
Deal found 24/9$1,406
Wed 14/1012:00 -
1 stop40h 40m
Sun 8/1121:00 -
1 stop30h 05m
Deal found 24/9$1,410
Fri 6/1111:25 -
1 stop42h 10m
Fri 13/1121:40 -
1 stop24h 55m
Deal found 23/9$1,415
Sat 10/1022:30 -
1 stop30h 10m
Sat 7/1121:00 -
1 stop26h 00m
Deal found 25/9$1,416
Sat 10/1022:30 -
1 stop26h 30m
Sat 24/1018:00 -
1 stop34h 05m
Deal found 24/9$1,416
Wed 21/1020:40 -
1 stop31h 00m
Wed 28/1017:45 -
1 stop35h 20m
Deal found 23/9$1,417
Thu 15/1012:00 -
1 stop52h 40m
Sun 18/1017:55 -
1 stop30h 05m
Deal found 25/9$1,417
Mon 9/1111:25 -
1 stop42h 10m
Mon 16/1106:20 -
2 stops28h 10m
Deal found 25/9$1,419
Sun 1/1122:30 -
1 stop43h 00m
Sun 29/1110:30 -
1 stop36h 30m
Deal found 24/9$1,419
Sun 1/1120:45 -
2 stops32h 30m
Mon 9/1121:30 -
1 stop25h 05m
Deal found 25/9$1,420
Sat 10/1012:00 -
1 stop37h 00m
Mon 12/1011:35 -
1 stop36h 25m
Deal found 25/9$1,420
Thu 15/1012:35 -
1 stop28h 00m
Fri 30/1021:40 -
1 stop24h 55m
Deal found 24/9$1,422

Find flight deals from Australia to London

Round-trip from

$1,406

One-way from

$635

Popular in

December

Cheapest in

February

Average price

$2,106

Good round-trip deal

$2,168 or less

Good one-way deal

$995 or less
China Eastern
  • China Eastern
  • 1/11-29/11
  • 3 total stops
  • 62h 35m total
  • Australia to London
Hainan Airlines
  • Hainan Airlines
  • 1/11-31/12
  • 1 total stop
  • 32h 30m total
  • Australia to London
Highest demand for flights based on searches. 7% potential increase in price ($220 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($77 potential savings vs. average return price).
Average for round-trip flights in September 2026
Price to beat on a round-trip flight from Australia to London (LON).
Price to beat on a one-way flight from Australia to London (LON).

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Australia to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MelbourneLondon

MEL Melbourne - LHR London Heathrow

MELLHR

Melbourne

Thu 15/10

22:30-18:40

1 stop30h 10m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$659

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Tue 29/9

21:00-19:30

1 stop31h 30m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$724

SydneyLondon

SYD Sydney Kingsford Smith - LHR London Heathrow

SYDLHR

Sydney Kingsford Smith

Mon 12/10

21:35-18:45

1 stop31h 10m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

$733

SydneyLondon

SYD Sydney Kingsford Smith - LGW London Gatwick

SYDLGW

Sydney Kingsford Smith

Tue 6/10

22:05-16:35

2 stops28h 30m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$769

PerthLondon

PER Perth - LHR London Heathrow

PERLHR

Perth

Sat 10/10

12:30-15:10

2 stops33h 40m

London Heathrow

Wed 31/12

00:00-07:00

Nonstop0h 00m

$777

PerthLondon

PER Perth - LHR London Heathrow

PERLHR

Perth

Sun 4/10

12:15-16:40

2 stops35h 25m

London Heathrow

Wed 31/12

00:00-07:00

Nonstop0h 00m

$780

PerthLondon

PER Perth - LHR London Heathrow

PERLHR

Perth

Sat 21/11

10:30-16:20

2 stops37h 50m

London Heathrow

Wed 31/12

00:00-07:00

Nonstop0h 00m

$786

PerthLondon

PER Perth - LGW London Gatwick

PERLGW

Perth

Sat 10/10

23:20-22:25

2 stops30h 05m

London Gatwick

Wed 31/12

00:00-07:00

Nonstop0h 00m

$787

PerthLondon

PER Perth - LGW London Gatwick

PERLGW

Perth

Thu 14/1

00:45-11:10

2 stops42h 25m

London Gatwick

Wed 31/12

00:00-07:00

Nonstop0h 00m

$790

MelbourneLondon

MEL Melbourne - LGW London Gatwick

MELLGW

Melbourne

Sat 17/10

22:35-16:40

2 stops28h 05m

London Gatwick

Wed 31/12

00:00-09:00

Nonstop0h 00m

$791

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Australia to London

Have a flexible travel schedule? Discover the best time to fly to London from Australia with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Australia to London

What is the cheapest month to book a flight from Australia to London?

Currently, February is the cheapest month in which you can book a flight from Australia to London (average of $1,597). Flying from Australia to London in December is currently the most expensive (average of $2,572). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from AU to LON?

When flying from Australia to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Australia to London

The most flights from AU0 to LON are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How often are flights from Australia to London delayed?

About 11% of weekly flights between Australia and London have experienced delays in the past year, with the average delay time being 138 minutes.

What is the most punctual flight time for Australia to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Australia to London flights?

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.

How far ahead should I book a flight from Australia to London?

The price you pay for your flight from Australia to London may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Read reviews from past customers who have flown with Singapore Airlines,Emirates, andQatar Airways from Australia to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Related info for your journey

  • How long is the flight from Australia to London?

    There are many flights that can get you from Australia to London in 23h 20m. Fly via Turkish Airlines, Etihad Airways, or Qatar Airways to get the fastest option. Airlines will cover a distance of 16897 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Australia to London one-way?

    For one-way options, check prices for Air China. According to our data, you can fly for as low as $339. Users have also found prices from $341 and $363 on China Southern and China Eastern, respectively.

  • What are the most popular routes from Australia to London?

  • What are the cheapest flights from Australia to London?

    Looking at all options, your cheapest flight can be booked for $2,104. While the most popular route (Sydney Kingsford Smith - London Heathrow) can be booked for $1,294 on average, our data indicates $8,034 when flying from Australia to London.

  • Can I find deals for flights from Australia to London that include hotel bookings?

    Yes. In addition to deals on Australia to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to London.

  • Can I find deals for business class flights from Australia to London?

    Yes. Cheapflights offers flight deals from Australia to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to London?

    Currently, February is the cheapest month in which you can book a flight from Australia to London (average of $1,597). Flying from Australia to London in December is currently the most expensive (average of $2,572). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Milton Keynes
Kingston upon Thames
St. Albans
Luton
Horsham
Brentford
Dover
Aylesbury
Dorking
Guildford
Stansted
Braintree
Gatwick
Uxbridge
Chertsey
Twickenham
Orpington
Teddington

Browse thousands of different options on Cheapflights for your next trip

Fly from Australia to London on these airlines

Top 10 airlines flying from Australia to London

AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$868Average$2,089FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air ChinaCheapest$930Average$1,627FlexibilityNo cancel feeOn-time67%
Search Air China flights
AirAsia XCheapest$949Average$1,471FlexibilityNo cancel feeOn-time66%
Search AirAsia X flights
Hainan AirlinesCheapest$954Average$1,487FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Japan AirlinesCheapest$956Average$2,090FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
British AirwaysCheapest$1,007Average$2,164FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest$1,133Average$1,510FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
EVA AirCheapest$1,137Average$1,566FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
LufthansaCheapest$1,227Average$1,555FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
China AirlinesCheapest$1,265Average$1,743FlexibilityNo cancel feeOn-time70%
Search China Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Australia to London?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Australia to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Australia to London?

Cheapflights simply makes it quick and affordable to book flights from Australia to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Australia to London with no change fees?

Certainly. Search results for flights to London from Australia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Australia to London become cheaper?

Of course! You can now track prices for flights from Australia to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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