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Cheap flights from Bucharest to Sydney from $715

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — SYD
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Bucharest to Sydney Kingsford Smith are usually found in May or September, booked 40 days in advance, depart on a Saturday or Tuesday and return on a Sunday

Cheap flight deals from Bucharest to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Bucharest to Sydney
Explore the most affordable flight options available from Bucharest to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Mon 8/1214:40OTP - SYD
3 stops35h 20mMultiple Airlines
Mon 26/113:35SYD - OTP
2 stops31h 55mMultiple Airlines
Deal found 4/12$1,691
Thu 11/1218:30OTP - SYD
2 stops58h 05mMultiple Airlines
Sat 27/1212:00SYD - OTP
2 stops56h 20mMultiple Airlines
Deal found 4/12$2,303
Thu 11/1210:30OTP - SYD
3 stops38h 45mMultiple Airlines
Fri 26/1220:05SYD - OTP
2 stops32h 35mMultiple Airlines
Deal found 3/12$2,335
Thu 4/1215:30OTP - SYD
3 stops53h 45mMultiple Airlines
Wed 17/1207:15SYD - OTP
3 stops39h 55mMultiple Airlines
Deal found 2/12$2,454

Find flight deals from Bucharest to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Bucharest (BUH) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 December 2025.

Round-trip from

$1,794

One-way from

$715

Popular in

July

Cheapest in

May

Average price

$2,966
18/1-25/1
  • 18/1-25/1
  • 5 total stops
  • 64h 50m total
  • Bucharest to Sydney
Search Deals
23/3
  • 23/3
  • 2 total stops
  • 59h 05m total
  • Bucharest to Sydney
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($653 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($174 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bucharest 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 5 December 2025.
Use the filters below to find and compare flights from Bucharest to Sydney that are best for you.

Fly from

Bucharest

Fly to

Sydney

Route

Depart

Return

Price

BucharestSydney

OTP - SYD

OTPSYD

Bucharest Otopeni Intl

Sun 18/1

14:05-06:15

3 stops31h 10m

Sydney Kingsford Smith

Sun 25/1

20:05-20:45

2 stops33h 40m

$1,794

BucharestSydney

OTP - SYD

OTPSYD

Bucharest Otopeni Intl

Fri 1/5

16:40-08:50

3 stops33h 10m

Sydney Kingsford Smith

Sun 17/5

10:15-13:45

2 stops34h 30m

$1,906

BucharestSydney

OTP - SYD

OTPSYD

Bucharest Otopeni Intl

Sat 7/3

08:05-06:55

2 stops37h 50m

Sydney Kingsford Smith

Wed 11/3

16:20-23:30

2 stops40h 10m

$1,945

BucharestSydney

OTP - SYD

OTPSYD

Bucharest Otopeni Intl

Sat 17/1

06:55-18:50

2 stops26h 55m

Sydney Kingsford Smith

Sat 24/1

14:00-14:05

2 stops33h 05m

$2,061

BucharestSydney

OTP - SYD

OTPSYD

Bucharest Otopeni Intl

Thu 12/2

10:30-06:35

3 stops35h 05m

Sydney Kingsford Smith

Fri 13/3

21:15-22:30

3 stops34h 15m

$2,116

BucharestSydney

OTP - SYD

OTPSYD

Bucharest Otopeni Intl

Fri 16/1

21:55-18:50

2 stops35h 55m

Sydney Kingsford Smith

Fri 23/1

15:30-00:45

3 stops42h 15m

$2,199

BucharestSydney

OTP - SYD

OTPSYD

Bucharest Otopeni Intl

Mon 23/3

14:40-10:45

2 stops59h 05m

$715

BucharestSydney

OTP - SYD

OTPSYD

Bucharest Otopeni Intl

Tue 31/3

16:40-10:45

3 stops58h 05m

$726

BucharestSydney

OTP - SYD

OTPSYD

Bucharest Otopeni Intl

Sat 23/5

20:35-19:35

2 stops40h 00m

$771

BucharestSydney

OTP - SYD

OTPSYD

Bucharest Otopeni Intl

Fri 27/3

23:40-20:35

3 stops59h 55m

$789

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 17 results
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Best time to book a flight from Bucharest to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Bucharest 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 Bucharest to Sydney

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

Use this chart to determine the optimal time to book a return flight from Bucharest to Sydney. Price data was last updated on 28 November 2025.

To ensure you get the cheapest price possible for a flight from Bucharest to Sydney, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, June is the cheapest month in which you can book a flight from Bucharest to Sydney (average of $1,605). Flying from Bucharest to Sydney in December is currently the most expensive (average of $2,164). 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.

What is the cheapest time of day to fly from BUH to SYD?

Find hourly flight availability from Bucharest to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2025.

It’s typically best to fly out from Bucharest to Sydney at midday. Doing so could potentially save you 9% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost for a return flight from Bucharest to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Bucharest 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 Bucharest?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly into when you book flights from Bucharest to Sydney. 0 airlines have flights to Kingsford Smith from Bucharest on a regular basis. Booking flights from Bucharest to Sydney Kingsford Smith should not be difficult; the airport handles an average of 0 inbound flights from Bucharest per day.

  • How long is the flight from Bucharest to Sydney?

    British Airways can get you from Bucharest to Sydney in just under 37h 50m. Your travel time can differ by up to . Airlines will cover a distance of 15224 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bucharest 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 Bucharest to Sydney?

    Currently, June is the cheapest month in which you can book a flight from Bucharest to Sydney (average of $1,605). Flying from Bucharest to Sydney in December is currently the most expensive (average of $2,164). 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
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bucharest to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Otopeni Intl to Sydney flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Bucharest 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 Bucharest to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Bucharest by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Sydney from Bucharest shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Bucharest to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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