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Cheap Flights from Sydney to London

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Compare Sydney to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from Sydney to London

Looking for a cheap last-minute deal or the best return flight from Sydney to London? Find the lowest prices on one-way and return tickets right here.
London.$1,698 per passenger.Departing Tue, 27 May, returning Tue, 3 Jun.Return flight with Fiji Airways and WestJet.Outbound indirect flight with Fiji Airways, departs from Sydney on Tue, 27 May, arriving in London.Inbound indirect flight with WestJet, departs from London on Tue, 3 Jun, arriving in Sydney.Price includes taxes and charges.From $1,698, select.
London.$2,488 per passenger.Departing Sun, 12 Oct, returning Sun, 16 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Sydney on Sun, 12 Oct, arriving in London.Inbound indirect flight with Air Canada, departs from London on Sun, 16 Nov, arriving in Sydney.Price includes taxes and charges.From $2,488, select.
London.$2,509 per passenger.Departing Thu, 26 Jun, returning Fri, 4 Jul.Return flight with T'way Air and Flair Airlines.Outbound indirect flight with T'way Air, departs from Sydney on Thu, 26 Jun, arriving in London.Inbound indirect flight with Flair Airlines, departs from London on Fri, 4 Jul, arriving in Sydney.Price includes taxes and charges.From $2,509, select.
London.$2,604 per passenger.Departing Sat, 15 Nov, returning Sat, 10 Jan.Return flight with Asiana Airlines and Air Canada.Outbound indirect flight with Asiana Airlines, departs from Sydney on Sat, 15 Nov, arriving in London.Inbound indirect flight with Air Canada, departs from London on Sat, 10 Jan, arriving in Sydney.Price includes taxes and charges.From $2,604, select.
London.$3,377 per passenger.Departing Wed, 16 Apr, returning Tue, 29 Apr.Return flight with United.Outbound indirect flight with United, departs from Sydney on Wed, 16 Apr, arriving in London.Inbound indirect flight with United, departs from London on Tue, 29 Apr, arriving in Sydney.Price includes taxes and charges.From $3,377, select.
London.$3,570 per passenger.Departing Fri, 20 Jun, returning Fri, 27 Jun.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Sydney on Fri, 20 Jun, arriving in London.Inbound indirect flight with Air Canada, departs from London on Fri, 27 Jun, arriving in Sydney.Price includes taxes and charges.From $3,570, select.

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 April.
Apr
from $3,377
May
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Jun
from $3,570
Jul
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Aug
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Oct
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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.

Sydney to London: Flight information

The things to know before you go.
Cheapest flight found$1,698
Cheapest month to flyMay

Finding cheap flights from Sydney to London: Frequently asked questions

The best price we found for a return flight from Sydney to London is $1,698. 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 $1,698.
As of April 2025, there are no flights flying from Sydney to London.
The cheapest month to fly from Sydney to London is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to London Airport on Tuesday, 27 May 2025.
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, Fiji Airways offers the cheapest flight tickets to London.

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

  • London's timezone is UTC-4, making London 15 hours behind Sydney.

  • To ensure you catch your SYD to YXU flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general rule.

  • You'll likely experience longer lines in popular months like April. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

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

  • Right now, $1,367 is the lowest price we've found for a one-way Sydney (Kingsford Smith) Airport to London International Airport flight. The best price for a return plane ticket is $1,698. Remember that fares could change due to availability at the time of booking.

  • To find cheap tickets from SYD to YXU, book as early as you can. Airlines generally offer their most competitively priced fares when flights are first made available.

  • If you're flexible with your travel plans, use the 'Whole month' search function. It'll find the lowest price across each month when searching for your flight from Sydney (Kingsford Smith) Airport to London International Airport.

  • You won't have to check every day to see if fares have dropped when you create a Price Alert. We'll let you know as soon as a special offer becomes available on cheap flights from SYD to YXU.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Sydney (Kingsford Smith) Airport to London International Airport.

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

  • 69.62% of flights that take off from Sydney (Kingsford Smith) Airport touch down at their destination on schedule.

  • Sydney (Kingsford Smith) Airport is about 18 kilometres from central Sydney. If you're driving, catching a cab or ride-sharing from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • The trip on public transport typically takes 25 minutes.

  • Booked an early flight from Sydney (Kingsford Smith) Airport to London International Airport? Avoid the last-minute rush to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays close to SYD:

Arriving at London International Airport (YXU)

  • If you're arriving on a late Sydney (Kingsford Smith) Airport to London International Airport flight, few things top the convenience of being near the terminal. Grab your suitcases from the carousel and then be showered and sleeping shortly after at one of these options near YXU:

  • Travel at your own pace with a London International Airport rental car. Pick up a set of wheels from Alamo, Avis or National and experience more of London and beyond.

  • To get the best deal, reserve your vehicle from London International Airport around three weeks ahead.

Getting from London International Airport (YXU) to central London

  • From London International Airport, London is approximately 11 kilometres away. It takes around 20 minutes to reach the centre by car.

  • It takes roughly 55 minutes when travelling by public transport.

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. For a quieter experience, head to London in November.

  • When reserving your flight from Sydney (Kingsford Smith) Airport to London International Airport, consider the type of weather you enjoy. July is the warmest month in London, with the temperature ranging from 13ºC (55ºF) to 27ºC (81ºF).

  • January sees average temperatures of between -13ºC (9ºF) and 2ºC (36ºF). Look for cheap tickets from SYD to YXU around that time if you like cooler conditions.

Explore more of Canada

  • London has loads to offer, but there are so many other parts of Canada waiting to be discovered. Around 161 kilometres north-east of London, a visit to Toronto will keep your itinerary busy. Start with leading sights like CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • Mississauga is another favourite destination in Canada and is around 145 kilometres north-east of London. No journey is complete without experiencing Credit Meadows Park, Tree Sculpture - Animal Totem by Jim Menken and Dunn Park.

Plan the rest of your trip from Sydney to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.