Cheap flights from Australia to London from £343

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LON
22 Apr — 29 Apr1
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
Explore the most affordable flight options available from Australia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Sat 2/520:50
SYD
-
LHR
1 stop27h 15m
Etihad Airways
Sat 9/521:45
LHR
-
SYD
1 stop23h 25m
Etihad Airways
Deal found 18/3£669
Tue 21/420:50
SYD
-
LHR
1 stop27h 15m
Etihad Airways
Wed 13/520:45
LHR
-
SYD
1 stop35h 05m
Etihad Airways
Deal found 18/3£670
Mon 6/420:50
SYD
-
LHR
1 stop24h 55m
Etihad Airways
Sun 19/409:30
LHR
-
SYD
1 stop22h 20m
Etihad Airways
Deal found 18/3£675
Wed 3/614:10
SYD
-
LGW
1 stop25h 20m
China Southern
Tue 16/621:30
LGW
-
SYD
2 stops29h 55m
China Southern
Deal found 18/3£675
Thu 21/520:50
SYD
-
LHR
1 stop30h 55m
Etihad Airways
Mon 8/609:30
LHR
-
SYD
1 stop22h 20m
Etihad Airways
Deal found 18/3£680
Wed 3/614:00
SYD
-
LHR
2 stops36h 40m
Multiple Airlines
Tue 16/622:40
LHR
-
SYD
1 stop31h 10m
Multiple Airlines
Deal found 18/3£681
Fri 10/420:50
SYD
-
LHR
1 stop24h 55m
Etihad Airways
Sat 25/420:45
LHR
-
SYD
1 stop24h 25m
Etihad Airways
Deal found 18/3£682
Wed 27/519:40
MEL
-
LHR
1 stop33h 45m
Air China
Mon 8/622:40
LHR
-
MEL
1 stop31h 15m
Air China
Deal found 18/3£684
Fri 20/316:25
SYD
-
LHR
1 stop25h 25m
Etihad Airways
Sun 12/421:10
LHR
-
SYD
1 stop34h 40m
Etihad Airways
Deal found 19/3£687
Thu 21/522:15
BNE
-
LHR
2 stops30h 05m
EVA Air
Tue 2/621:35
LHR
-
BNE
2 stops37h 25m
EVA Air
Deal found 22/3£687
Thu 21/520:50
SYD
-
LHR
1 stop30h 55m
Etihad Airways
Fri 26/614:45
LHR
-
SYD
1 stop30h 25m
Etihad Airways
Deal found 19/3£687
Mon 11/522:15
BNE
-
LHR
2 stops30h 05m
EVA Air
Thu 21/521:35
LHR
-
BNE
2 stops37h 25m
EVA Air
Deal found 21/3£687

Find flight deals from Australia to London

Keep the following information in mind while searching for Australia to London flight deals. Data was last updated 23 March 2026.

Round-trip from

£669

One-way from

£343

Popular in

December

Cheapest in

February

Average price

£876

Good round-trip deal

£1,117 or less

Good one-way deal

£885 or less
Etihad Airways
  • Etihad Airways
  • 2/5-9/5
  • 2 total stops
  • 50h 40m total
  • Australia to London
Tianjin Airlines
  • Tianjin Airlines
  • 21/4
  • 1 total stop
  • 35h 40m total
  • Australia to London
Highest demand for flights based on searches. 9% potential increase in price (£70 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Average for round-trip flights in March 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

 
Customise your flight search to find flights from Australia to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 March 2026.
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

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 11/4

21:35-07:25

1 stop42h 50m

London Heathrow

Fri 17/4

09:30-16:50

1 stop22h 20m

£696

MelbourneLondon

MEL - LHR

MELLHR

Melbourne

Mon 11/5

21:35-16:00

2 stops27h 25m

London Heathrow

Sun 17/5

13:20-06:15

2 stops31h 55m

£784

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 6/5

21:05-16:00

2 stops27h 55m

London Heathrow

Tue 26/5

16:45-19:10

2 stops41h 25m

£819

MelbourneLondon

MEL - LGW

MELLGW

Melbourne

Wed 3/6

21:35-16:40

2 stops28h 05m

London Gatwick

Sun 7/6

14:05-11:15

2 stops36h 10m

£839

MelbourneLondon

MEL - STN

MELSTN

Melbourne

Wed 20/5

13:25-16:40

2 stops36h 15m

London Stansted

Sun 24/5

17:35-19:15

2 stops40h 40m

£843

PerthLondon

PER - LHR

PERLHR

Perth

Tue 2/6

07:40-09:50

2 stops33h 10m

London Heathrow

Tue 23/6

18:30-00:40

2 stops23h 10m

£872

MelbourneLondon

MEL - LGW

MELLGW

Melbourne

Tue 28/7

00:30-07:30

1 stop40h 00m

London Gatwick

Mon 10/8

10:25-23:15

1 stop27h 50m

£878

MelbourneLondon

MEL - LGW

MELLGW

Melbourne

Mon 14/9

05:15-07:20

1 stop35h 05m

London Gatwick

Sun 4/10

10:25-05:00

1 stop32h 35m

£882

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 26/5

11:00-06:40

1 stop28h 40m

London Gatwick

Wed 9/9

11:35-08:00

2 stops59h 25m

£887

BrisbaneLondon

BNE - LHR

BNELHR

Brisbane

Mon 8/6

11:05-18:40

1 stop40h 35m

London Heathrow

Wed 17/6

21:20-09:00

1 stop26h 40m

£895

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, January is the cheapest month in which you can book a flight from Australia to London (average of £372). Flying from Australia to London in December is currently the most expensive (average of £726). 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?

Find hourly flight availability from Australia to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to London as you normally would.

Weekly flight availability from Australia to London

Explore weekly flight availability from Australia to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 23 March 2026.

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

How often are flights from Australia to London delayed?

About 13% of weekly flights between Australia and London have experienced delays in the past year, with the average delay time being 216 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?

Sunday tends to have the lowest number of delays on this route, whereas Monday 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 13% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 23 March 2026.
Get a feel of what it's like to fly with Singapore Airlines,Emirates, andQatar Airways from Australia to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Overall

8.2

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Comfort

8.0

Overall

8.2

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Comfort

8.0

Overall

8.2

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Comfort

8.0

Overall

8.2

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Comfort

8.0

Overall

8.2

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Comfort

8.0

Overall

8.2

Food

7.8

Boarding

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Related info for your journey

Find useful and relevant information for your journey from Australia to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Australia to London?

    For as low as £864, Etihad Airways can have you in London from Australia in 26h 30m. There are 10493 mi between Australia and London. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for Hainan Airlines. According to our data, you can fly for as low as £190. Users have also found prices from £196 and £208 on China Southern and Air China, 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 £729. While the most popular route (Sydney Kingsford Smith - London Heathrow) can be booked for £587 on average, our data indicates £1,341 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, January is the cheapest month in which you can book a flight from Australia to London (average of £372). Flying from Australia to London in December is currently the most expensive (average of £726). 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
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Bedford
Chelmsford
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Australia to London

Discover the top 10 airlines that operate flights from Australia to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest£620Average£985FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
China SouthernCheapest£624Average£1,169FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£633Average£721FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Cathay PacificCheapest£648Average£975FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qatar AirwaysCheapest£669Average£975FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air ChinaCheapest£669Average£873FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£692Average£921FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Malaysia AirlinesCheapest£706Average£1,058FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Etihad AirwaysCheapest£724Average£990FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£741Average£1,025FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Australia to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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