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Cheap flights from Ulaanbaatar to Sydney from £346

UBN — SYD
20 Oct — 27 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ulaanbaatar to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Ulaanbaatar to Sydney

Thu 22/1008:40 -
1 stop19h 40m
Fri 30/1008:45 -
1 stop35h 20m
Deal found 17/9£963
Sun 20/920:30 -
1 stop31h 50m
Mon 19/1022:20 -
1 stop21h 25m
Deal found 20/9£1,112

Find flight deals from Ulaanbaatar to Sydney

Round-trip from

£963

One-way from

£346

Popular in

January

Cheapest in

December

Average price

£1,087
MIAT Mongolian
  • MIAT Mongolian
  • 22/10-30/10
  • 2 total stops
  • 55h 00m total
  • Ulaanbaatar to Sydney
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25/11-31/12
  • 25/11-31/12
  • 3 total stops
  • 41h 00m total
  • Ulaanbaatar to Sydney
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ulaanbaatar to Sydney that are best for you.

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Cheapest return flight
Fastest return journey

UlaanbaatarSydney

UBN Ulaanbaatar Chinggis Khaan - SYD Sydney Kingsford Smith

UBNSYD

Ulaanbaatar Chinggis Khaan

Wed 25/11

16:10-12:10

3 stops41h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

£346

UlaanbaatarSydney

UBN Ulaanbaatar Chinggis Khaan - SYD Sydney Kingsford Smith

UBNSYD

Ulaanbaatar Chinggis Khaan

Thu 22/10

08:40-07:20

1 stop19h 40m

Sydney Kingsford Smith

Fri 30/10

08:45-17:05

1 stop35h 20m

£963

UlaanbaatarSydney

UBN Ulaanbaatar Chinggis Khaan - SYD Sydney Kingsford Smith

UBNSYD

Ulaanbaatar Chinggis Khaan

Tue 20/10

09:10-07:05

3 stops42h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-21:00

Nonstop0h 00m

£987

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Sorted by cheapest first

Best time to book a flight from Ulaanbaatar to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Ulaanbaatar with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

The best time to book flights from Ulaanbaatar to Sydney is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, December is the cheapest month in which you can book a flight from Ulaanbaatar to Sydney (average of £829). Flying from Ulaanbaatar to Sydney in January is currently the most expensive (average of £1,155). 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 much does it cost for a return flight from Ulaanbaatar to Sydney?

Airfare is below average for this route at the moment.

Ulaanbaatar to Sydney flights typically cost between £966 and £1,161 in October.
The cheapest return price found within the last 5 days was £963 on MIAT Mongolian (22 Oct–30 Oct).

Related info for your journey

  • How long is the flight from Ulaanbaatar to Sydney?

    A quick flight from Ulaanbaatar to Sydney can take about 19h 40m. MIAT Mongolian provides one of the quickest options available for as low as £963. The distance between Ulaanbaatar and Sydney is about 6266 mi.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Ulaanbaatar to Sydney (average of £829). Flying from Ulaanbaatar to Sydney in January is currently the most expensive (average of £1,155). 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
Wollongong
Parramatta
Bondi Beach
Coogee

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

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