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C$839 Cheap Flights from Sydney (SYD) to London (YXU)

Compare Sydney to London flight deals

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Flight deals from Sydney to London

Looking for a cheap last-minute deal or the best return flight from Sydney Airport to London Airport? If you want to travel next month, return fares start from C$2,553. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sydney to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to London flights are currently cheapest in October.
Aug.
from C$2,535
Sep.
from C$1,381
Oct.
from C$839
Nov.
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Dec.
from C$2,321
Jan.
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Feb.
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Mar.
from C$3,973
Apr.
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May
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Jun.
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Jul.
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Sydney to London: Alternative routes

Compare routes from Sydney to London below. You may find an airport to fly into that's cheaper, faster, or easier than London.

London

10km from central London
Closest
from C$839
Search flights

Kitchener / Waterloo

88km from central London
Cheapest
from C$814
Search flights

Sydney to London: Flight information

The things to know before you go.
Cheapest flight foundC$839
Cheapest month to flyOctober

Finding cheap flights from Sydney to London: Frequently asked questions

The best price we found for a return flight from Sydney to London is C$1,640. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sydney to London. But we found flights with one or more stops from C$1,640.
As of August 2026, there are no flights flying from Sydney to London.
The cheapest month to fly from Sydney to London is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to London Airport on Thursday, October 22, 2026.
No airlines currently offer direct flights between Sydney Airport and London Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Air Canada offers the cheapest flight tickets to London.

Flying from Sydney (Kingsford Smith) Airport (SYD) to London International Airport (YXU): what you need to know

  • During popular months like July, you'll want to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're flying during a high season in general.

  • Don't forget, you may need a visa to enter Canada. Visa regulations vary and travel documentation requirements change frequently. Before organizing your cheap ticket from SYD to YXU, check with your carrier and your destination country's local embassy or consulate for the most up-to-date information.

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to London International Airport (YXU)

  • The best price we've found for a one-way ticket from Sydney (Kingsford Smith) Airport to London International Airport is C$839. The cheapest price for a return flight is C$1,640. Keep in mind that fares could change due to availability when booking.

  • It's usually smart to book as early as possible if you're looking for cheap flight tickets from SYD to YXU. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • If you can be flexible with your travel dates, use the 'Whole month' tool. It'll give you the cheapest price across the month when searching for your ticket from Sydney (Kingsford Smith) Airport to London International Airport.

  • Log into your online account or use the app to set up a Price Alert. We'll get in touch right away if there's a cheaper deal on this route. It's simple to do, and it'll save you time checking for cheap flight tickets from SYD to YXU every day.

  • Play around with filters to find the ideal trip for you. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Sydney (Kingsford Smith) Airport to London International Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • Sydney (Kingsford Smith) Airport is around 18 kilometres from central Sydney. If you're catching a cab, driving or ride-sharing from the center, it'll take you 21 minutes or so to get there, depending on the traffic. If you're using public transport, expect the travel time to be around 27 minutes.

  • After a convenient hotel near SYD? If you're catching an early flight from Sydney (Kingsford Smith) Airport to London International Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at London International Airport (YXU)

Getting from London International Airport (YXU) to central London

  • London International Airport is approximately 11 kilometres from central London. With a cab or in your own car rental, the drive is around 19 minutes.

  • Traveling to the center by public transport typically takes 53 minutes.

When to fly to London International Airport (YXU)

  • August is the most popular month for flights from Sydney (Kingsford Smith) Airport to London International Airport. To steer clear of the crowds, visit London in November.

  • Book your flight from Sydney (Kingsford Smith) Airport to London International Airport for July if you'd like to visit London during its warmest month. Expect temperatures of between 13ºC and 27ºC.

  • Search for cheap flight tickets from SYD to YXU in January if you like traveling in cooler conditions. Temperatures are at their lowest then, ranging between -13ºC and 2ºC on average.

More about London

  • After booking your flights from SYD to YXU, you'll want to find somewhere to stay in London. Make one of these accommodation options your base for exploring this city:

  • There are so many things to explore in this city it can be tricky to know where to start. Fanshawe Pioneer Village, Budweiser Gardens and Banting House National Historic Site are major attractions which should be on any good London itinerary.

Complete your London trip with hotels and a car rental

  • You've booked a cheap ticket to London International Airport — next on the list is finding somewhere to stay, and maybe even your own set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in London.

Plan the rest of your trip from Sydney to London

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.