Question 1

Why should I use momondo to find a flight deal to Sydney?

Accepted Answer

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Sydney. Millions of users trust and use momondo every year so you are in good company.

Question 2

Can I find flights to Sydney with flexible booking policies on momondo?

Accepted Answer

Flights to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

Question 3

How can momondo help me find flights to Sydney?

Accepted Answer

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 filter your options to help you make an informed choice when booking flights to Sydney.

Question 4

I’m not ready to book a flight to Sydney right now. Can momondo alert me if prices change?

Accepted Answer

Yes momondo offers price alerts on flights to 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.

Question 5

What is there to do in Sydney when it’s raining?

Accepted Answer

Users planning a flight to Sydney during the months of March or June should anticipate rain. There are still things to do in Sydney even when it's raining, though. For those looking to get out of the rain and do a little shopping, check out Sydney Central Plaza.

Question 6

How far in advance should I book a flight to Sydney?

Accepted Answer

The ideal time to book your flight to Sydney is 46 days in advance, when prices tend to average £982. Keep in mind that you might also find cheap flights to Sydney outside of this time window. In fact, momondo users recently found flights from United Kingdom to Sydney for £861.

Question 7

Is there an alternative airport near Sydney?

Accepted Answer

Western Sydney Intl (Nancy-Bird Walton) Airport, Newcastle Williamtown Airport or Bathurst Raglan Airport can be an alternative airport used for travel to Sydney.

Question 8

Is there a cheaper alternative to flying into Sydney?

Accepted Answer

The cheapest airport near Sydney is typically Newcastle Williamtown Airport, with an average price of £304/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

Question 9

Which airlines fly to Sydney?

Accepted Answer

Etihad Airways, Cathay Pacific, Qatar Airways and Emirates are the most popular airlines that fly from United Kingdom to Sydney on a routine basis, according to our data. You should be able to find flights to Sydney with these airlines and other airlines flying from United Kingdom.

Question 10

Hainan Airlines Flights to Sydney

Accepted Answer

Hainan Airlines will jet to Sydney around 3 times in an average week. Where you fly from will dictate what kind of deals you can get for Hainan Airlines, but prices as low as £204 have been found from London Heathrow to Sydney. Hainan Airlines has scored 8.3/10 in momondo user reviews.

Question 11

China Airlines Flights to Sydney

Accepted Answer

Another popular choice for flights to Sydney is China Airlines (8.3/10, 828 reviews). Most China Airlines flights landing in Sydney will be arriving from Melbourne, but there are 51 China Airlines flights to Sydney from all departure points globally so prices can vary significantly. The best China Airlines deal found on momondo this week was £771 (London Heathrow to Sydney, round-trip).

Question 12

When did momondo last update prices for flights to Sydney Kingsford Smith Airport?

Accepted Answer

Prices for flights to Sydney Kingsford Smith Airport are refreshed on a daily basis.

Question 13

How many operators does momondo search for flights to Sydney Kingsford Smith Airport?

Accepted Answer

There are 39 operators available for flights to Sydney Kingsford Smith Airport as of June 2026.

Question 14

How old do you have to be to fly to Sydney Kingsford Smith Airport?

Accepted Answer

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 layovers. It is recommended that you verify with the airline you are booking with for travel to Sydney Kingsford Smith Airport.

Question 15

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

Accepted Answer

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Question 16

What is the cheapest month to fly to Sydney?

Accepted Answer

In general, May is the cheapest month to fly from United Kingdom to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £844. If you don’t want to visit Sydney in May, then you should wait until November to fly from United Kingdom, when ticket prices are also cheap, with an average price of £850.

Question 17

How long does it take to fly to Sydney?

Accepted Answer

Flight times from United Kingdom to Sydney vary, but if you’re flying out of London Heathrow and flying into Sydney Kingsford Smith (one of the most popular routes), then the duration is 22h 20m on average. Another popular route from United Kingdom to Sydney is flying from Manchester to Sydney Kingsford Smith, which will take roughly 22h 30m. Keep in mind that layovers or delays could extend your travel time.

Question 18

What is the cheapest day to depart on your flight to Sydney?

Accepted Answer

The cheapest day to depart on your flight to Sydney is on a Monday when prices can be found for as low as £1,163. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,284.

Question 19

How far in advance should I book a flight to Sydney?

Accepted Answer

You are more likely to see cheaper flights to Sydney from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £1,023 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from United Kingdom for as low as £967 on momondo.

Question 20

What is the absolute cheapest flight to Sydney?

Accepted Answer

In the past two weeks, users have booked deals to Sydney for £41/person, which is 86% cheaper than the average flight to Sydney. To find the cheapest price to Sydney from your area, use momondo’s Airport-to-Airport Pricing Tool.

CHEAPEST MONTH TO FLY TO SYDNEY FROM LONDON HEATHROW AIRPORT	May	15% cheaper	Flying from London Heathrow Airport to Sydney costs on average just £879 in May
MOST EXPENSIVE MONTH TO FLY TO SYDNEY FROM LONDON HEATHROW AIRPORT	December	30% more expensive	It costs about £1,339 for flights to Sydney from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO SYDNEY FROM LONDON HEATHROW AIRPORT	December	479% more users visited	More momondo users searched in flights to Sydney from London Heathrow Airport in December than any other month

Best One-Way Price	£368
Best Round-Trip Price	£768
Fastest flight time	35h 20m
Popular in	December

£368 Cheap flights to Sydney

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Sydney departing on 30/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United Kingdom to Sydney

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Recent direct flight deals from the United Kingdom to Sydney

momondo Fare Finder

Use the filters below to find and compare flights to Sydney that are best for you.

See travel insights to Sydney from

Sydney flights insights and trends

What is the cheapest month to fly to Sydney?

What is the absolute cheapest flight to Sydney?

See prices from:

What is the cheapest day to depart on your flight to Sydney?

How far in advance should I book a flight to Sydney?

How long does it take to fly to Sydney?

Cheapest flights to Sydney Kingsford Smith

Find the cheapest flights to Sydney Kingsford Smith from your nearest city or airport

Cheap Sydney flight deals and tips

Summary info about Sydney flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Sydney

Travelling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney Kingsford Smith trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Sydney

Popular Flights to Sydney

Popular routes according to searches in the past day on momondo

Popular Cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Airports servicing United Kingdom

Fly your favourite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

Complete your trip to Sydney Kingsford Smith

Explore popular destinations other users love

According to popular flight searches on momondo this year