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Cheap flights from Belgium to Sydney from $678

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
BRU — SYD
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belgium to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Belgium to Sydney
Explore the most affordable flight options available from Belgium to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2026.

Thu 27/813:25
BRU
-
SYD
2 stops32h 50m
Multiple Airlines
Thu 3/919:40
SYD
-
BRU
1 stop43h 05m
Multiple Airlines
Deal found 28/7$1,601
Tue 8/913:25
BRU
-
SYD
2 stops32h 50m
Multiple Airlines
Tue 15/919:40
SYD
-
BRU
1 stop43h 05m
Multiple Airlines
Deal found 25/7$1,666
Sun 6/921:40
BRU
-
SYD
2 stops35h 10m
Multiple Airlines
Mon 21/920:50
SYD
-
BRU
1 stop42h 15m
Multiple Airlines
Deal found 25/7$1,716
Sun 6/921:40
BRU
-
SYD
2 stops35h 10m
Multiple Airlines
Tue 22/921:05
SYD
-
BRU
2 stops45h 05m
Multiple Airlines
Deal found 24/7$1,723
Mon 21/910:55
BRU
-
SYD
1 stop21h 55m
Etihad Airways
Tue 6/1021:35
SYD
-
BRU
1 stop42h 30m
Etihad Airways
Deal found 26/7$1,735
Mon 21/912:10
BRU
-
SYD
3 stops35h 50m
Multiple Airlines
Tue 6/1021:35
SYD
-
BRU
1 stop42h 30m
Multiple Airlines
Deal found 26/7$1,769
Wed 16/910:55
BRU
-
SYD
1 stop35h 15m
Etihad Airways
Wed 7/1016:40
SYD
-
BRU
1 stop23h 25m
Etihad Airways
Deal found 26/7$1,775
Sun 6/912:00
CRL
-
SYD
2 stops34h 10m
Multiple Airlines
Tue 22/920:50
SYD
-
CRL
2 stops34h 05m
Multiple Airlines
Deal found 24/7$1,921
Sun 6/912:00
CRL
-
SYD
2 stops34h 10m
Multiple Airlines
Mon 21/920:50
SYD
-
CRL
2 stops34h 05m
Multiple Airlines
Deal found 25/7$1,922
Thu 27/809:30
CRL
-
SYD
2 stops25h 55m
Multiple Airlines
Thu 3/919:40
SYD
-
CRL
2 stops33h 50m
Multiple Airlines
Deal found 28/7$1,927
Tue 25/809:30
CRL
-
SYD
2 stops25h 55m
Multiple Airlines
Tue 1/919:40
SYD
-
CRL
2 stops33h 35m
Multiple Airlines
Deal found 26/7$2,014
Mon 21/907:15
CRL
-
SYD
2 stops25h 35m
Multiple Airlines
Tue 6/1016:40
SYD
-
CRL
2 stops31h 50m
Multiple Airlines
Deal found 26/7$2,017

Find flight deals from Belgium to Sydney

Keep the following information in mind while searching for Belgium to Sydney flight deals. Data was last updated 29 July 2026.

Round-trip from

$1,601

One-way from

$678

Popular in

December

Cheapest in

May

Average price

$2,603
Air China
  • Air China
  • 27/8-3/9
  • 3 total stops
  • 75h 55m total
  • Belgium to Sydney
Search Deals
Etihad Airways
  • Etihad Airways
  • 23/9
  • 1 total stop
  • 35h 15m total
  • Belgium to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($266 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($58 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belgium to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 29 July 2026.
Use the filters below to find and compare flights from Belgium to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BrusselsSydney

BRU - SYD

BRUSYD

Brussels Bruxelles-National

Sun 6/9

10:55-06:10

1 stop35h 15m

Sydney Kingsford Smith

Tue 22/9

21:05-13:25

2 stops48h 20m

$1,849

BrusselsSydney

BRU - SYD

BRUSYD

Brussels Bruxelles-National

Sun 6/9

10:55-06:10

1 stop35h 15m

Sydney Kingsford Smith

Mon 21/9

20:50-07:05

1 stop42h 15m

$1,872

BrusselsSydney

BRU - SYD

BRUSYD

Brussels Bruxelles-National

Thu 17/9

19:05-06:45

2 stops27h 40m

Sydney Kingsford Smith

Thu 29/10

11:40-18:25

2 stops40h 45m

$1,889

BrusselsSydney

BRU - SYD

BRUSYD

Brussels Bruxelles-National

Tue 1/9

19:05-06:45

2 stops27h 40m

Sydney Kingsford Smith

Tue 15/9

10:20-22:35

2 stops44h 15m

$1,919

BrusselsSydney

CRL - SYD

CRLSYD

Charleroi Brussels

Sun 6/9

12:00-06:10

2 stops34h 10m

Sydney Kingsford Smith

Tue 22/9

20:50-22:55

2 stops34h 05m

$1,921

BrusselsSydney

CRL - SYD

CRLSYD

Charleroi Brussels

Sun 6/9

12:00-06:10

2 stops34h 10m

Sydney Kingsford Smith

Mon 21/9

20:50-22:55

2 stops34h 05m

$1,922

BrusselsSydney

BRU - SYD

BRUSYD

Brussels Bruxelles-National

Mon 21/9

06:30-06:25

2 stops39h 55m

Sydney Kingsford Smith

Tue 6/10

11:20-18:20

2 stops40h 00m

$1,927

BrusselsSydney

CRL - SYD

CRLSYD

Charleroi Brussels

Thu 27/8

09:30-19:25

2 stops25h 55m

Sydney Kingsford Smith

Thu 3/9

19:40-21:30

2 stops33h 50m

$1,927

BrusselsSydney

BRU - SYD

BRUSYD

Brussels Bruxelles-National

Wed 16/9

06:30-06:25

2 stops39h 55m

Sydney Kingsford Smith

Wed 7/10

10:50-18:20

2 stops40h 30m

$1,958

BrusselsSydney

CRL - SYD

CRLSYD

Charleroi Brussels

Tue 25/8

09:30-19:25

2 stops25h 55m

Sydney Kingsford Smith

Tue 1/9

19:40-21:15

2 stops33h 35m

$2,014

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Showing 1-10 of 32 resultsSorted by cheapest first
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Best time to book a flight from Belgium to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Belgium with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belgium to Sydney

What is the cheapest month to book a flight from Belgium to Sydney?

Currently, May is the cheapest month in which you can book a flight from Belgium to Sydney (average of $1,855). Flying from Belgium to Sydney in December is currently the most expensive (average of $2,665). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from Belgium to Sydney?

The price you pay for your flight from Belgium to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 29 July 2026.
Check out reviews from past customers who have flown with Thai Airways and Etihad Airways from Belgium to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.9
Good
412 reviews
Check prices

Boarding

8.0

Overall

7.9

Food

7.5

Crew

8.4

Entertainment

6.9

Comfort

7.7

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Airways
7.9
Good
412 reviews
Thai Airways
7.9
Good
412 reviews
Check prices

Boarding

8.0

Overall

7.9

Food

7.5

Crew

8.4

Entertainment

6.9

Comfort

7.7

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Etihad Airways
7.3
Good
1,494 reviews
Thai Airways
7.9
Good
412 reviews
Check prices

Boarding

8.0

Overall

7.9

Food

7.5

Crew

8.4

Entertainment

6.9

Comfort

7.7

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Related info for your journey

Find useful and relevant information for your journey from Belgium to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Belgium?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly into when you book flights from Belgium to Sydney.

  • How long is the flight from Belgium to Sydney?

    Etihad Airways and Finnair can get you from Belgium to Sydney in just under 27h 40m. Your travel time can differ by up to 7h 35m. The distance between Belgium and Sydney is about 16726 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Belgium to Sydney that include hotel bookings?

    Yes. In addition to deals on Belgium to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belgium to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belgium to Sydney.

  • Can I find deals for business class flights from Belgium to Sydney?

    Yes. Cheapflights offers flight deals from Belgium to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Belgium to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Belgium to Sydney (average of $1,855). Flying from Belgium to Sydney in December is currently the most expensive (average of $2,665). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Katoomba
Manly
Lithgow
Cronulla
Randwick
Terrigal
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Belgium to Sydney

Discover the top 2 airlines that operate flights from Belgium to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 29 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,483Average$1,821FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Thai AirwaysCheapest$2,131Average$2,866FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Belgium to Sydney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belgium to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Belgium to Sydney?

Millions of users choose and trust Cheapflights to book the best flight deals from Belgium to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Belgium to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Belgium to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Belgium to Sydney become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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