Rare1 stop · 12h
SYD to HANVietnam
Hanoi
$484
usually $885
−45%
Most monthly lows $487–$885. Cheaper than every other month on record (3).
Flights · SYD → BRU
Sydney to Brussels
Best fare, round trip
$1,333
Too little price history on this route to compare — the fare is shown as found.
Found
- Depart
- Fri 25 Dec
- Return
- Mon 8 Feb
- Stay
- 45 nights
- Flight
- 1 stop · 25h
- Airline
Turkish Airlines
Cached fare — the booking search re-prices live before you pay.
BelgiumBrusselsArt nouveau, three beer styles you cannot get elsewhere, and Bruges and Ghent under an hour by train.Best windowApr–Jun · SepAirportsZaventem (BRU) · Charleroi (CRL)Every route into BrusselsFare seasonality
When this route gets cheap.
The cheapest itinerary we are tracking makes one stop and takes about 25 hours outbound, on a 45-night trip — ticketed under Turkish Airlines, which on a connecting fare need not operate every leg. At $1,333 for 16,745 km each way, that works out to about $40 per 1,000 km flown. That is below the $42 per 1,000 km typical of ultra-long-haul fares here. For context, the middle fare among the 38 routes of similar length we watch out of Sydney is $1,277. We have 1 month of cached prices for this route so far — not enough to call a fare cheap or expensive, so we publish the price without a percentage. Fare history here is still too short to name a cheap season. The best time to be in Brussels: Apr–Jun · Sep.
The one day we hold a cached fare for
Press a date to compare its fares
The median cached fare across this calendar is 24% lower than when tracking began on 9 Sep — $1,743 then versus $1,333 now, across 3 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $1,333, on 25 Dec.
These are the only days we have a cached price for on this route so far — not the only days it flies. The search above covers any date.
Cached fares · checked 03 Oct 2026
We are still collecting this route's months — 1 month of cached prices so far, too few to chart.
Route facts
- Airports
- Kingsford Smith (SYD) ↔ Zaventem (BRU) · Charleroi (CRL)
- Flight time
- ≈25 hours outbound
- Distance
- ≈16,745 km each way
- Airlines on the board
- Turkish Airlines
- Itineraries
- Connections on current fares
- Best months to visit
- Apr–Jun · Sep
Good to know
SYD → BRU, answered.
How far in advance should I book SYD → Brussels?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. Our guide Why flight prices change covers the levers we can measure.
Are there nonstop flights from Sydney to Brussels?
The current cheapest fares involve a connection, ticketed under Turkish Airlines. We hold no nonstop fare on this route right now, which does not mean none flies — search your exact dates to see what does.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on 4 October). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Brussels?
Lock the flight first — then compare stays for 25 Dec – 8 Feb '27 · 45 nights.
Browse hotelsMissed it?
Cached fares expire. This route has a feed of its own — follow it and the next SYD → BRU drop reaches you as soon as we find it.
Follow this route’s feedKeep browsing
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