Cheap flights from Sydney to London from $435
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to London departing on 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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China Eastern flights from Sydney to London Heathrow Airport
Our best China Eastern deals on Sydney to London Heathrow Airport flight tickets
Air China flights from Sydney to London Heathrow Airport
Our best Air China deals on Sydney to London Heathrow Airport flight tickets
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How to get the cheapest flight ticket from Sydney to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Sydney and London Heathrow Airport?
What is the cheapest month to fly to London Heathrow Airport?
The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Sydney, with most prices found around $1,046. If you’re not able to fly to London Heathrow Airport in October, then February is your next best option. Flight prices from Sydney to London Heathrow Airport during February average around $1,080.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,465. The most expensive day to fly to London Heathrow Airport is Monday, with ticket prices averaging around $1,933.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Sydney to London Heathrow Airport in the evening for as low as $1,519. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $2,004.
What is the cheapest Sydney Kingsford Smith to London Heathrow flight route?
Fly from Sydney Kingsford Smith to London Heathrow for the best Sydney Kingsford Smith - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Sydney when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,303 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Sydney for as low as $1,187 on momondo.
What cabin class options are available on Sydney Kingsford Smith to London Heathrow flights?
There are 1 cabin classes available to choose from on Sydney Kingsford Smith to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Sydney Kingsford Smith to London Heathrow?
Air China, Vietnam Airlines, and China Eastern are the most popular carriers operating from Sydney Kingsford Smith to London Heathrow
What airlines fly to London Heathrow Airport?
British Airways, Singapore Airlines and Cathay Pacific are the top three most popular airlines that fly to London Heathrow Airport from Sydney according to our data. British Airways is the first choice among our users, with 31% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 11 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Sydney to London Heathrow Airport on average per day?
As of June 2025, 3 flights take off from Sydney and land in London Heathrow Airport each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.
How many flights depart from Sydney to London Heathrow Airport on average per week?
The number of flights available between Sydney and London Heathrow Airport is 21 per week as of June 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
When to book flights from Sydney to London Heathrow Airport
Cheap Sydney to London Heathrow Airport (SYD to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Sydney to London Heathrow Airport
How far is Sydney Kingsford Smith to London Heathrow by plane?
There are 10566.1 mi between Sydney Kingsford Smith and London Heathrow. By plane, this route typically takes 25h 00m.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to London Heathrow Airport?
Prices for flights from Sydney Kingsford Smith Airport to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to London Heathrow Airport?
As of June 2025, there are 11 operators available to choose from for flights from Sydney Kingsford Smith Airport to London Heathrow Airport.
How old do you have to be to fly from Sydney Kingsford Smith Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Sydney to London Heathrow Airport?
Based on momondo bookings for flights between Sydney and London Heathrow Airport, the leading plane model is Airbus A380-800, making up 97.97% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 1.52% and Boeing 777-300ER with 0.51%.
What is the most popular airline from Sydney to London Heathrow Airport?
Based on momondo bookings for flights between Sydney and London Heathrow Airport, the leading airline is British Airways, making up 19% of the total bookings. Other popular airlines include Singapore Airlines with 18%, Cathay Pacific with 14%, and Etihad Airways with 12%.
Best airlines flying from Sydney to London Heathrow Airport
Compare and see reviews for airlines that fly from Sydney to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $831 | Free Cancellation | Rating 7.2 92 reviews | |||
| PriceFrom $964 | Free Cancellation | Rating 7.4 1,211 reviews | |||
| PriceFrom $999 | Free Cancellation | Rating 7.4 263 reviews | |||
| PriceFrom $1,015 | Free Cancellation | Rating 7.5 892 reviews | |||
| PriceFrom $1,026 | Free Cancellation | Rating 8.1 1,302 reviews | |||
| PriceFrom $1,086 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $1,102 | Free Cancellation | Rating 5.5 2,914 reviews | |||
| PriceFrom $1,115 | Free Cancellation | Rating 8.3 738 reviews | |||
| PriceFrom $1,186 | Free Cancellation | Rating 8.1 3,264 reviews | |||
| PriceFrom $1,226 | Free Cancellation | Rating 7.4 3,584 reviews |
Qantas Airways Flights From Sydney to London Heathrow Airport
Qantas Airways is one of the most popular airlines flying from Sydney to London Heathrow Airport, operating 7 flights/week on average for this route. A good Qantas Airways flight deal for Sydney to London Heathrow Airport starts from $1,301 round-trip, up to an average price of $1,764. Our users have rated Qantas Airways at 7.5/10.
British Airways Flights From Sydney to London Heathrow Airport
British Airways (6.6/10 from 7,008 reviews) operates around 7 flights from Sydney to London Heathrow Airport in any given week. The average British Airways airfare for this route is around $1,397, with deals from around $1,086 rare but found on momondo. Referenced prices are for round-trip Sydney to London Heathrow Airport flight searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Sydney to London?
It is quick and easy to find Sydney to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Can I find flights from Sydney to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from Sydney with this policy.
How can momondo help me find flights from Sydney to London?
Once all potential Sydney to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Sydney to London right now. Can momondo alert me if prices change?
Price alerts on flights to London from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.