Cheap flights from Belfast to Sydney from $2,166
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 30/5. 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.
Save money when you book flights 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
British Airways flights from Belfast to Sydney
Our best British Airways deals on Belfast to Sydney flight tickets
Malaysia Airlines flights from Belfast to Sydney
Our best Malaysia Airlines 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?
The month of February is, on average, the cheapest month to fly to Sydney from Belfast, with most prices found around $2,263. If you aren’t able to travel to Sydney during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $2,317.
What is the cheapest day to depart on your flight to Sydney?
Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $0. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $3,213.
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?
Belfast and Sydney Kingsford Smith are 17093.9 km apart from one another. Typically, this will take 25h 50m by plane in normal conditions.
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 were last updated today.
How many operators does momondo search for flights from Belfast to Sydney Kingsford Smith Airport?
As of April 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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 $1,950 | Free cancellation | Rating 6.6 6,765 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 compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to Sydney . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Belfast to Sydney with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Belfast to Sydney flights to just show those with flexible booking policies.
How can momondo help me find flights from Belfast to Sydney?
momondo helps you find the best flight between Belfast and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Belfast to Sydney right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Belfast to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.