Cheap flights from Sydney to London from $604
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 20/11. 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 cheapest month to fly to London?
If you aren’t able to travel during the month of October, then book flights to London from Sydney during February instead. Flights to London in February, while not as cheap as those in October, still average around $1,606.
What is the cheapest day to depart on your flight to London?
Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $2,070. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to London for around $2,281.
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 $1,781. In contrast, the most expensive time of day to depart to London is at midday when prices are around $2,452.
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 $1,995 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 $1,823 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.
Can stopping save me money on Sydney to London flights?
You could potentially save up to 1% on your flight if you consider stops on a Sydney to London flight.
How have Sydney to London flight prices changed over time?
As of June 2025, prices for Sydney to London flights are approximately 26% cheaper when compared to flights at the same time last year.
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?
Singapore Airlines, Cathay Pacific and Qantas Airways are the top three most popular airlines that fly to London from Sydney according to our data. Singapore Airlines is the first choice among our users, with 32% of people opting to fly with this airline when travelling to London. Keep in mind that there are 29 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, 3 flights take off from Sydney and land in London each day. The most common flight departure time for this route is 14:00, with 100% of daily flights taking off in the afternoon.
How many flights depart from Sydney to London on average per week?
The number of flights available between Sydney and London 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
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?
A flight from Sydney Kingsford Smith to London will travel around 16983.0 km. By plane, this route typically takes 24h 20m.
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 are updated daily.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to London?
The number of operators available for flights from Sydney Kingsford Smith Airport to London is 29 as of June 2025.
How old do you have to be to fly from Sydney Kingsford Smith Airport to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Sydney to London?
momondo data reveals that the most frequently booked plane model on the route from Sydney to London is Airbus A380-800, representing 97.97% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 1.52% and Boeing 777-300ER at 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 China Eastern, making up 16% of the total bookings. Other popular airlines include Singapore Airlines with 15%, Cathay Pacific with 9%, and Emirates with 8%.
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 $842 | Free cancellation | Rating 7.5 406 reviews | |||
| PriceFrom $1,087 | Free cancellation | Rating 7.2 92 reviews | |||
| PriceFrom $1,358 | Free cancellation | Rating 5.5 2,912 reviews | |||
| PriceFrom $1,409 | Free cancellation | Rating 6.8 74 reviews | |||
| PriceFrom $1,412 | Free cancellation | Rating 7.3 3,846 reviews | |||
| PriceFrom $1,461 | Free cancellation | Rating 8.3 738 reviews | |||
| PriceFrom $1,472 | Free cancellation | Rating 7.4 3,584 reviews | |||
| PriceFrom $1,472 | Free cancellation | Rating 7.5 193 reviews | |||
| PriceFrom $1,480 | Free cancellation | Rating 8.3 1,489 reviews | |||
| PriceFrom $1,557 | Free cancellation | Rating 8.2 444 reviews |
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?
momondo does allow users to show only those flights to London from Sydney which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Sydney to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Sydney.
I’m not ready to book a flight from Sydney to London right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to London from Sydney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.