Cheap flights from Belfast to Sydney from £1,026
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Sydney departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Belfast to Sydney
Cheap return flights
KLM flights from Belfast to Sydney
Our best KLM deals on Belfast to Sydney flight tickets
See travel insights to Sydney from
How to get the cheapest flight ticket from Belfast to Sydney
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Sydney?
In general, April is the cheapest month to fly from Belfast to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £1,111. If you don’t want to visit Sydney in April, then you should wait until February to fly from Belfast, when ticket prices are also cheap, with an average price of £1,112.
What is the cheapest day to depart on your flight to Sydney?
The cheapest day to depart on your flight to Sydney is on a Monday when prices can be found for as low as £1,147. 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 Belfast because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,451.
Cheap Belfast to Sydney flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Belfast to Sydney
How far is Belfast to Sydney Kingsford Smith by plane?
The straight-line distance from Belfast to Sydney Kingsford Smith is 10621.7 mi. By plane, this route typically takes 28h 05m.
When did momondo last update prices for flights from Belfast to Sydney Kingsford Smith Airport?
Prices for flights from Belfast to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from Belfast to Sydney Kingsford Smith Airport?
As of March 2025, there is 1 operator available to choose from for flights from Belfast to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Belfast to Sydney Kingsford Smith Airport?
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 from Belfast to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Belfast to Sydney
Compare and see reviews for airlines that fly from Belfast to Sydney with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £1,017 | Free Cancellation | Rating 6.6 6,712 reviews |
Travelling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Belfast to Sydney?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Sydney. momondo saves you time and could save you money on your trip.
Can I find flights from Belfast to Sydney with flexible booking policies on momondo?
momondo does allow users to show only those flights to Sydney from Belfast which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Belfast to Sydney?
Once you have performed a search for Belfast to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Belfast to Sydney right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Belfast and alert you when they change.