Cheap flights from Sydney to London from £297
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 13/10. 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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How to get the cheapest flight ticket from Sydney to London
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?
What is the cheapest month to fly to London?
The cheapest month to fly to London from Sydney is in October. Flight prices, which tend to average around £761, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Sydney averaging around £769.
What is the cheapest day to depart on your flight to London?
Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £1,060. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to London for around £1,368.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £871. Flights in the afternoon are often more expensive, with an average ticket price of £1,362.
What is the cheapest Sydney Kingsford Smith to London flight route?
Fly from Sydney Kingsford Smith to London Heathrow for the best Sydney Kingsford Smith - London flight prices
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Sydney when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to London for around £959 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Sydney for as low as £874 on momondo.
What cabin class options are available on Sydney Kingsford Smith to London flights?
There are 3 cabin classes available to choose from on Sydney Kingsford Smith to London 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?
Hainan Airlines, Air China, and Vietnam Airlines are the most popular carriers operating from Sydney Kingsford Smith to London
Which airlines fly to London?
British Airways, Cathay Pacific and Singapore Airlines are the top three most popular airlines that fly to London from Sydney according to our data. British Airways is the first choice among our users, with 36% of people opting to fly with this airline when travelling to London. Keep in mind that there are 14 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
How many flights depart from Sydney to London on average per day?
As of June 2025, there are 3 flights per day flying from Sydney to London. The most common time of day flights depart is 14:00, with 100% of flights taking off in the afternoon.
How many flights depart from Sydney to London on average per week?
As of June 2025, there are 21 flights per week flying from Sydney to London. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
When to book flights from Sydney to London
Cheap Sydney to London (SYD to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Sydney to London
How far is Sydney Kingsford Smith to London by plane?
Sydney Kingsford Smith and London are 10552.8 mi apart from one another. Flights usually cover this in 24h 45m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to London?
Prices for flights from Sydney Kingsford Smith Airport to London were last updated today.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to London?
There are 14 operators available for flights from Sydney Kingsford Smith Airport to London as of June 2025.
How old do you have to be to fly from Sydney Kingsford Smith Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Sydney to London?
Based on momondo bookings for flights between Sydney and London, 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?
Based on momondo bookings for flights between Sydney and London, the leading airline is British Airways, making up 16% of the total bookings. Other popular airlines include China Eastern with 15%, Singapore Airlines with 11%, and Cathay Pacific with 11%.
Best airlines flying from Sydney to London
Compare and see reviews for airlines that fly from Sydney to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £591 | Free Cancellation | Rating 7.5 99 reviews | |||
| PriceFrom £626 | Free Cancellation | Rating 7.2 150 reviews | |||
| PriceFrom £657 | Free Cancellation | Rating 7.2 92 reviews | |||
| PriceFrom £680 | Free Cancellation | Rating 5.5 2,914 reviews | |||
| PriceFrom £712 | Free Cancellation | Rating 7.4 1,211 reviews | |||
| PriceFrom £722 | Free Cancellation | Rating 7.3 3,849 reviews | |||
| PriceFrom £732 | Free Cancellation | Rating 7.5 892 reviews | |||
| PriceFrom £745 | Free Cancellation | Rating 7.4 3,584 reviews | |||
| PriceFrom £754 | Free Cancellation | Rating 8.1 1,302 reviews | |||
| PriceFrom £769 | Free Cancellation | Rating 7.4 263 reviews |
Qantas Airways Flights From Sydney to London
Qantas Airways flight deals from Sydney to London start from £1,263 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually £1,864 round-trip - but some users have found much cheaper deals with momondo.
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Sydney to London?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Sydney.
Can I find flights from Sydney to London with flexible booking policies on momondo?
Flights from Sydney to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Sydney to London?
momondo helps you find the best flight between Sydney and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Sydney to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Sydney to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.