Cheap flights from Sydney to Belfast from $1,224
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Belfast departing on 27/12. 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 Sydney to Belfast
Cheap return flights
Cheap one-way flights
British Airways flights from Sydney to Belfast
Our best British Airways deals on Sydney to Belfast flight tickets
KLM flights from Sydney to Belfast
Our best KLM deals on Sydney to Belfast flight tickets
See travel insights to Belfast from
How to get the cheapest flight ticket from Sydney to Belfast
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 typical price of a round-trip flight between Sydney and Belfast?
What is the cheapest day to depart on your flight to Belfast?
According to our data, Wednesday is the cheapest day to fly to Belfast from Sydney. The lowest ticket price found for a Wednesday departure recently was $2,060. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Belfast on Sunday is $2,434.
What is the cheapest time of day to depart on your flight to Belfast?
Our data shows that the cheapest Sydney to Belfast flights are usually those with departure times in the afternoon. Our users have found flights to Belfast in the afternoon for as low as $2,192. Flights to Belfast are more costly in the evening, with an average ticket price of $3,488. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
Cheap Sydney to Belfast flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Sydney to Belfast
How far is Sydney Kingsford Smith to Belfast by plane?
A flight from Sydney Kingsford Smith to Belfast will travel around 17093.9 km. Typically, this will take 27h 00m by plane in normal conditions.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Belfast?
Prices for flights from Sydney Kingsford Smith Airport to Belfast were last updated today.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Belfast?
As of July 2025, there is 1 operator available to choose from for flights from Sydney Kingsford Smith Airport to Belfast.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Belfast?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Belfast.
What documentation or ID do you need to fly to Belfast?
The required travel and health documents for your Belfast 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 licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Sydney to Belfast
Compare and see reviews for airlines that fly from Sydney to Belfast with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,758 | Free cancellation | Rating 6.6 7,090 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Sydney to Belfast?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Sydney.
Can I find flights from Sydney to Belfast with flexible booking policies on momondo?
All flight searches from Sydney to Belfast on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Sydney to Belfast?
Once all potential Sydney to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Sydney to Belfast right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Sydney and alert you when they change.