Flight deals from London to Sydney

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Information from London to Sydney

Cheapest one-way flight price £390
Cheapest return ticket price £553
Off-season travel month May
Peak season for travel June
Flight distance 16,999.53km
Average flight time 22 hours 56 minutes
Popular airline Air Canada

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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from London (LON) to Sydney (SYD) the cheapest?

    Airlines adjust prices for flights from London to Sydney based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from London (LON) to Sydney (SYD) cost?

    According to Trip.com's data, the lowest price is around £1,024.
  • How long is the flight from London (LON) to Sydney (SYD)?

    It takes about 22 hours 56 minutes to fly from London (LON) to Sydney (SYD).
  • What are the most popular airlines that fly from London (LON) to Sydney (SYD)?

    Airlines with flights from London (LON) to Sydney (SYD): British Airways, Qantas Airways and Iberia.
  • How many airports in Sydney (SYD)?

    There are 1 airport(s) in Sydney (SYD): Sydney Airport.

How to find a cheap flight from London to Sydney

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to Sydney. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest flight from London to Sydney.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from London to Sydney over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Thu, Jun 12, with one-way flights priced at just £414.
2
Compare cheap flight deals from London to Sydney across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from London to Sydney. The cheapest airline for this route is Qantas Airways.
3
Set up a Price Alert
By setting up a Price Alert for your journey from London to Sydney, you can easily keep an eye on ticket prices without having to check every day.
4
Don't miss out on cheap flight deals and promo codes from London to Sydney.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
5
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
6
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from London to Sydney and snag some exclusive deals just for you.

Flight from London (LON) to Sydney (SYD)

Sydney seduces all the visitors with its unique charm. As the biggest and most beautiful of all Australian cities, the vibrancy of the city is worth experiencing. The architectural marvels of this fantastic city are a delight. For instance, the world-famous Sydney Opera House offers an unforgettable experience for all. Discover its fabled history by taking a walk through the narrow lanes and the buildings, and the city’s excellent museums are learning in itself. Sydney still buzzes with the adventurous spirit of its settlers. Also, the wildlife-rich areas surrounding the city provide an exclusive experience with Australian wildlife. The sun-kissed sea beaches of Sydney is a must-visit.

Tip: Sydney offers tourists numerous places to visit and activities to indulge. It is suggested to plan your visit accordingly.

Reaching Sydney

Located in the Mascot suburb, 8 kms south of Sydney is the Kingsford Smith Airport that serves this city. The airport has excellent connectivity with all parts of the city. Airlines like British Airways, Qantas, Emirates, Ethihad offer direct flights from London to Sydney that are of 22 to 23 hours duration. You can also find cheap flights from London provided you opt for connecting flights and search from multiple airlines.

Tip: It is advisable to book in advance to avail of the best price for your air tickets.

Sydney Attractions

The city is a blend of stimulating and easygoing. No tour to Sydney is complete without visiting the iconic Sydney Opera House. The city is full of excitement, and if you drive a little out of the city, you will be surrounded by the famous beaches like Manly and Bondi. You can plan a day trip to witness the amazing wildlife as well. Within the city, the Taronga Zoo that houses more than 4000 native and exotic birds and animals is a must visit the place. The Sydney Harbour Bridge offers you a breathtaking view. Camp on the Cockatoo Island or soak in the natural beauty of the Blue Mountains to make your visit incredible.

Tip: From October to late February, it’s the best time to visit Sydney.

Commute in Sydney

The city of Sydney offers a good network of buses, city trains, and light rail to commute from one place to the other. While the Sydney Trains serve the whole city, the Blue Mountains, and other areas, the city buses service all areas of Sydney. There are special hop-on, hop-off buses for the tourists as well in the city. There are certain regions of the city where you can rent a bicycle and explore the city leisurely.

Tip: Use the free smart card ticket for use on trains, buses, ferries, and light rail.

Shop and Dine

Shopping is the top activity that makes Sydney the most loved city. The city is well known for its famous Saturday markets that offer you style and diversity. Westfield Warringah is another excellent place to indulge in shopping. Consider it a paradise for shoppers with all your favorite brands available. For the food lovers, Sydney has the most elegant restaurants to cheap eateries offering lip-smacking cuisine. You will love every bit of it.

Tip: The city hosts regular food festivals that the visitors will relish.

Stay in Sydney

In Sydney, you will get a variety of stay options that suit your budget and your taste. Hotels, guesthouses, campsites, and hostels will make your stay comfortable. Try the King Cross, Coogee, Darling Harbour, Paddington, and other places for budget accommodations.

Rely on Trip.com to get all your bookings done during your entire trip. From accommodation, flight tickets, or local sightseeing, they organize it all for you. For any travel-related assistance, their 24/7 customer care service is available.