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Cheap flights from Sydney to London Heathrow Airport from $703

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — LHR
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to London Heathrow are usually found in October or February, booked 72 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Sydney to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 April 2025.

Round-trip from

$1,461

One-way from

$704

Popular in

December

Cheapest in

October

Average price

$2,067

Good round-trip deal

$2,157 or less

Good one-way deal

$1,474 or less
China Southern
  • China Southern
  • 14/6-21/6
  • 2 total stops
  • 78h 15m total
  • Sydney to London
24/5
  • 24/5
  • 3 total stops
  • 55h 45m total
  • Sydney to London
Highest demand for flights based on searches. 10% potential increase in price ($388 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($107 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to London Heathrow.
Price to beat on a one-way flight from Sydney Kingsford Smith to London Heathrow.

Find flight deals from Sydney to Heathrow

Cheapest flights from Sydney to Heathrow
Explore the most affordable flight options available from Sydney to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Sat 14/610:15SYD - LHR
1 stop41h 45mChina Southern
Sat 21/622:10LHR - SYD
1 stop36h 30mChina Southern
Deal found 30/4$1,461
Tue 27/511:00SYD - LHR
1 stop40h 40mChina Eastern
Tue 3/621:20LHR - SYD
3 stops50h 10mChina Eastern
Deal found 29/4$1,463
Tue 20/521:30SYD - LHR
1 stop30h 15mEtihad Airways
Sat 24/521:45LHR - SYD
1 stop34h 10mEtihad Airways
Deal found 29/4$1,471
Thu 7/819:40SYD - LHR
1 stop31h 05mAir China
Fri 5/920:25LHR - SYD
1 stop33h 25mAir China
Deal found 30/4$1,485
Thu 9/1022:10SYD - LHR
1 stop28h 25mMalaysia Airlines
Thu 30/1021:25LHR - SYD
1 stop23h 30mMalaysia Airlines
Deal found 29/4$1,488
Thu 22/521:00SYD - LHR
2 stops31h 30mMultiple Airlines
Fri 6/622:40LHR - SYD
1 stop31h 10mMultiple Airlines
Deal found 28/4$1,494
Tue 20/507:40SYD - LHR
1 stop45h 55mCathay Pacific
Fri 20/618:20LHR - SYD
1 stop31h 30mCathay Pacific
Deal found 30/4$1,527
Wed 30/720:55SYD - LHR
2 stops34h 30mTurkish Airlines
Wed 20/806:30LHR - SYD
2 stops27h 30mTurkish Airlines
Deal found 30/4$1,566
Mon 10/1111:00SYD - LHR
1 stop30h 15mQantas Airways
Sun 30/1120:10LHR - SYD
Nonstop23h 20mQantas Airways
Deal found 29/4$1,652
Tue 28/1016:10SYD - LHR
2 stops26h 55mSWISS
Thu 13/1118:40LHR - SYD
2 stops26h 00mSWISS
Deal found 29/4$1,689
Thu 31/722:10SYD - LHR
1 stop27h 20mChina Airlines
Wed 24/921:10LHR - SYD
1 stop28h 35mChina Airlines
Deal found 29/4$1,708

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to Heathrow 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 647,157 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from Sydney to London Heathrow Airport that are best for you.

Fly from

Sydney

Fly to

Heathrow

Route

Depart

Return

Price

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 14/6

10:15-19:00

1 stop41h 45m

London Heathrow

Sat 21/6

22:10-19:40

1 stop36h 30m

$1,461

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 27/5

11:00-18:40

1 stop40h 40m

London Heathrow

Tue 3/6

21:20-08:30

3 stops50h 10m

$1,463

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 20/5

21:30-18:45

1 stop30h 15m

London Heathrow

Sat 24/5

21:45-16:55

1 stop34h 10m

$1,471

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 7/8

19:40-17:45

1 stop31h 05m

London Heathrow

Fri 5/9

20:25-14:50

1 stop33h 25m

$1,485

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 9/10

22:10-16:35

1 stop28h 25m

London Heathrow

Thu 30/10

21:25-07:55

1 stop23h 30m

$1,488

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 22/5

21:00-19:30

2 stops31h 30m

London Heathrow

Fri 6/6

22:40-14:50

1 stop31h 10m

$1,494

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 20/5

07:40-20:35

1 stop45h 55m

London Heathrow

Fri 20/6

18:20-10:50

1 stop31h 30m

$1,527

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 30/7

20:55-22:25

2 stops34h 30m

London Heathrow

Wed 20/8

06:30-19:00

2 stops27h 30m

$1,566

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 6/10

15:50-06:35

Nonstop24h 45m

London Heathrow

Mon 24/11

20:10-06:30

Nonstop23h 20m

$1,652

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 27/10

16:10-08:05

2 stops26h 55m

London Heathrow

Sat 8/11

20:05-11:50

2 stops52h 45m

$1,689

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 22 results
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Best time to book a flight from Sydney to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Sydney 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 Sydney to London Heathrow Airport

How far ahead should I book a flight from Sydney to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Sydney to Heathrow. Price data was last updated on 25 April 2025.

To ensure you get the cheapest price possible for a flight from Sydney to London Heathrow Airport, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Sydney to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,037). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,667). 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 SYD to LHR?

Find hourly flight availability from Sydney to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

It’s optimal to fly from Sydney to London Heathrow Airport in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at midday.

What is the cheapest day to fly from Sydney to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Sydney to Heathrow. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to London Heathrow Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Friday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Sydney to London Heathrow Airport

Explore weekly flight availability from Sydney to Heathrow. 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 30 April 2025.

The most flights from SYD to LHR 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).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 30 April 2025.
See what other customers who have flown with Japan Airlines, China Airlines and Hainan Airlines from Sydney to London have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Boarding

8.4

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Boarding

8.4

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Boarding

8.4

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Boarding

8.4

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Boarding

8.4

Overall

8.3

Comfort

8.2

Entertainment

7.8

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Related info for your journey

Find useful and relevant information for your journey from Sydney to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Sydney to London Heathrow?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to London Heathrow. You should not have trouble finding flights to London Heathrow from Kingsford Smith; the airport handles an average of 3 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 27 airlines have flights from the Sydney airport to London Heathrow. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

  • What are the cheapest airlines flying from Sydney to London Heathrow Airport round-trip?

    Currently priced at $1,461, China Southern will fly you from Sydney to London Heathrow Airport and back. In addition to China Southern, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Eastern and Etihad Airways - these airlines can fly you to your destination from $1,463 and $1,471, respectively. China Southern is 28% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Sydney to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Sydney to London Heathrow Airport are Hainan Airlines ($706), Air China ($723), and China Southern ($724).

  • What are the cheapest flights from Sydney to London Heathrow Airport?

    While on average a flight from Sydney to London Heathrow Airport is generally $8,936, our data shows the cheapest flight currently is $1,293. When looking at the most popular route, (Sydney Kingsford Smith - London Heathrow), you can expect to pay $1,332 for that flight.

  • Where are the most common stopover locations when flying from Sydney to London Heathrow Airport?

  • What are some popular things to do or see while on a stopover in Singapore?

    Sentosa, Merlion, and Boat Quay are currently the most popular points of interest in Singapore at the moment. Sentosa, Merlion, and Boat Quay can be visited by traveling about 21.6 km, 16.9 km, and 17.3 km respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of $118 to make sightseeing during their stopover a little easier.

  • What are some popular points of interest to see during a stopover in Kuala Lumpur?

    Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia are the most popular attractions in Kuala Lumpur if you're in need of something to do during your stopover. Petronas Towers, Berjaya Times Square, and National Mosque of Malaysia can be accessed by travelling approximately 46.6 km, 44.9 km, and 44.8 km, respectively from Kuala Lumpur Intl. Travellers can book a car hire at Kuala Lumpur Intl for about $45 per day to make their sightseeing more efficient.

  • What are points of interest worth seeing during a stopover in Hong Kong?

    Hong Kong Disneyland, Mid-levels Escalators, and Hong Kong Heritage Discovery Centre are currently the most popular points of interest in Hong Kong. Hong Kong Disneyland, Mid-levels Escalators, and Hong Kong Heritage Discovery Centre can be visited by travelling about 12.6 km, 24.5 km, and 25.8 km respectively from Hong Kong Intl.

  • Where are the least popular stopover locations for Sydney to London Heathrow Airport flights?

  • Can I find deals for flights from Sydney to Heathrow that include hotel bookings?

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

  • How can I find direct flights from Sydney to Heathrow?

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

  • Can I find deals for business class flights from Sydney to Heathrow?

    Yes. Cheapflights offers flight deals from Sydney to Heathrow 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 Sydney to London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Sydney to London Heathrow Airport (average of $1,037). Flying from Sydney to London Heathrow Airport in December is currently the most expensive (average of $1,667). 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 Sydney?

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Fly from Sydney to Heathrow on these airlines

Choose from the following airlines for your flight from Sydney to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 30 April 2025.

Top 10 airlines flying from Sydney to Heathrow

Discover the top 10 airlines that operate flights from Sydney to Heathrow. 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 647,157 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$1,169Average$1,476FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest$1,314Average$1,782FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest$1,359Average$1,747FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SriLankan AirlinesCheapest$1,460Average$1,791FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
China AirlinesCheapest$1,479Average$1,754FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Turkish AirlinesCheapest$1,482Average$1,787FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest$1,496Average$2,056FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Vietnam AirlinesCheapest$1,498Average$2,045FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Japan AirlinesCheapest$1,499Average$2,249FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Asiana AirlinesCheapest$1,578Average$1,851FlexibilityNo cancel feeOn-time76%
Search Asiana 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 Sydney to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Sydney today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sydney to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Sydney to Heathrow 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 Sydney to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Sydney to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Sydney to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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