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 Westfield Shopping Centre.

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 36 days in advance, when prices tend to average £954. 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 £827.

Question 7

Is there an alternative airport near Sydney?

Accepted Answer

Newcastle Williamtown Airport or Bathurst Raglan Airport can be an alternative airport used for travel to Sydney.

Question 8

Which airlines fly to Sydney?

Accepted Answer

Emirates, Etihad Airways, China Southern and Singapore Airlines 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 9

ANA Flights to Sydney

Accepted Answer

ANA will jet to Sydney around 14 times in an average week. Where you fly from will dictate what kind of deals you can get for ANA, but prices as low as £1,204 have been found from London Heathrow to Sydney. ANA has scored 8.4/10 in momondo user reviews.

Question 10

China Airlines Flights to Sydney

Accepted Answer

Another popular choice for flights to Sydney is China Airlines (8.3/10, 762 reviews). Most China Airlines flights landing in Sydney will be arriving from Melbourne, but there are 53 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 £729 (London Heathrow to Sydney, round-trip).

Question 11

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 12

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

Accepted Answer

There are 49 operators available for flights to Sydney Kingsford Smith Airport as of August 2025.

Question 13

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 14

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 15

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 £978 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 £798 on momondo.

Question 16

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 £1,115. 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 £1,302.

Question 17

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 £784. If you don’t want to visit Sydney in May, then you should wait until March to fly from United Kingdom, when ticket prices are also cheap, with an average price of £820.

Question 18

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 55m on average. Another popular route from United Kingdom to Sydney is flying from Manchester to Sydney Kingsford Smith, which will take roughly 29h. Keep in mind that layovers or delays could extend your travel time.

Question 19

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

Accepted Answer

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from United Kingdom to Sydney in the afternoon for as low as £903. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Sydney, so prices are often more expensive at around £1,221 per ticket.

CHEAPEST MONTH TO FLY TO SYDNEY FROM LONDON HEATHROW AIRPORT	March	27% cheaper	Flying from London Heathrow Airport to Sydney costs on average just £714 in March
MOST EXPENSIVE MONTH TO FLY TO SYDNEY FROM LONDON HEATHROW AIRPORT	December	31% more expensive	It costs about £1,287 for flights to Sydney from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO SYDNEY FROM LONDON HEATHROW AIRPORT	December	384% 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	£325
Best Round-Trip Price	£469
Fastest flight time	30h 50m
Popular in	December

£325 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 9/9. 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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Frequently asked questions about flying to Sydney

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

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

Is there an alternative airport near Sydney?

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

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

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

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

Travelling to a place near Sydney?

Why use momondo?

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

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

How can momondo help me find flights to Sydney?

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

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