Cheap flights from Sydney to London from $364
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 10/28. 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?
The cheapest month to fly to London from Sydney is in October. Flight prices, which tend to average around $1,036, 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 $1,047.
What is the cheapest day to depart on your flight to London?
The cheapest day to depart from Sydney to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $1,374. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,933. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.
What is the cheapest time of day to depart on your flight to London?
Flying to London from Sydney in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,266 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $1,933. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
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 weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,305 when searching 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 $1,213 on momondo.
What cabin class options are available on Sydney Kingsford Smith to London flights?
There are 1 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?
Air China, Singapore Airlines, and China Southern are the most popular carriers operating from Sydney Kingsford Smith to London
What airlines fly to London?
British Airways, Singapore Airlines and Cathay Pacific 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 29% of people opting to fly with this airline when traveling to London. Keep in mind that there are 13 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 July 2025, 3 flights take off from Sydney and land in London 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 on average per week?
The number of flights available between Sydney and London is 21 per week as of July 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?
The distance between Sydney Kingsford Smith and London is about 10552.8 mi. 24h 15m is a normal flight duration for this route.
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 refreshed on a daily basis.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to London?
As of July 2025, there are 13 operators available to choose from for flights from Sydney Kingsford Smith Airport to London.
How old do you have to be to fly from Sydney Kingsford Smith Airport to London?
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.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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. 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Sydney to London is Airbus A380-800 (98.28% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (1.29%) and Boeing 777-300ER (0.43%).
What is the most popular airline from Sydney to London?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sydney to London is Singapore Airlines (16% of total bookings). The next most popular airlines are British Airways (11%), Emirates (11%), and China Southern (9%).
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 $831 | Free Cancellation | Rating 7.2 89 reviews | |||
| PriceFrom $964 | Free Cancellation | Rating 7.4 1,221 reviews | |||
| PriceFrom $999 | Free Cancellation | Rating 7.4 265 reviews | |||
| PriceFrom $1,015 | Free Cancellation | Rating 7.6 927 reviews | |||
| PriceFrom $1,026 | Free Cancellation | Rating 8.1 1,322 reviews | |||
| PriceFrom $1,086 | Free Cancellation | Rating 6.6 7,096 reviews | |||
| PriceFrom $1,102 | Free Cancellation | Rating 5.5 2,924 reviews | |||
| PriceFrom $1,115 | Free Cancellation | Rating 8.3 744 reviews | |||
| PriceFrom $1,186 | Free Cancellation | Rating 8.1 3,288 reviews | |||
| PriceFrom $1,254 | Free Cancellation | Rating 7.6 101 reviews |
Qantas Airways Flights From Sydney to London
Qantas Airways flies from Sydney to London around 7 times per week, with 873 momondo users rating the airline 7.5/10. The cheapest Qantas Airways deal from Sydney to London in the last 72 hours was $1,260 (round-trip), much lower than the average airfare cost of $1,760 for Qantas Airways flights on this route.
Traveling 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?
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 allows you to filter the results for Sydney to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Sydney to London?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to London.
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.