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Cheap flights from Sydney to Ulaanbaatar from £868

SYD — UBN
12 Nov — 19 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Ulaanbaatar

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Ulaanbaatar

Wed 25/1122:20 -
1 stop22h 20m
Wed 2/1214:50 -
1 stop27h 00m
Deal found 11/10£1,206
Thu 26/1122:20 -
1 stop22h 20m
Thu 3/1207:15 -
1 stop23h 20m
Deal found 12/10£1,263
Thu 3/1210:20 -
1 stop27h 05m
Fri 19/212:25 -
1 stop28h 40m
Deal found 12/10£1,309
Mon 7/1210:20 -
1 stop15h 45m
Mon 14/1200:25 -
1 stop28h 55m
Deal found 11/10£1,330
Sat 26/1210:20 -
1 stop15h 45m
Sat 2/100:25 -
1 stop28h 55m
Deal found 10/10£1,345
Mon 7/1222:20 -
1 stop22h 20m
Mon 14/1214:50 -
1 stop27h 00m
Deal found 11/10£1,361
Mon 7/1210:20 -
1 stop15h 45m
Thu 17/1212:25 -
1 stop16h 55m
Deal found 11/10£1,370
Mon 7/1210:20 -
1 stop15h 45m
Wed 16/1212:25 -
1 stop28h 40m
Deal found 11/10£1,370
Sat 26/1210:20 -
1 stop15h 45m
Mon 4/112:25 -
1 stop16h 55m
Deal found 10/10£1,380
Mon 28/1210:20 -
1 stop15h 45m
Mon 22/212:25 -
1 stop16h 55m
Deal found 12/10£1,380
Tue 8/1222:20 -
1 stop29h 50m
Wed 16/1214:50 -
1 stop27h 00m
Deal found 11/10£1,390
Fri 11/1208:45 -
1 stop35h 55m
Mon 14/1214:50 -
1 stop27h 00m
Deal found 11/10£1,438

Find flight deals from Sydney to Ulaanbaatar

Round-trip from

£664

Popular in

December

Cheapest in

February

Average price

£946
Air China
  • Air China
  • 17/3-31/3
  • 3 total stops
  • 38h 50m total
  • Sydney to Ulaanbaatar
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£54 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

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

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Cheapest return flight

SydneyUlaanbaatar

SYD Sydney Kingsford Smith - UBN Ulaanbaatar Chinggis Khaan

SYDUBN

Sydney Kingsford Smith

Thu 28/1

07:55-07:25

3 stops50h 30m

Ulaanbaatar Chinggis Khaan

Wed 31/12

00:00-03:00

Nonstop0h 00m

£868

SydneyUlaanbaatar

SYD Sydney Kingsford Smith - UBN Ulaanbaatar Chinggis Khaan

SYDUBN

Sydney Kingsford Smith

Sun 25/10

08:05-07:25

3 stops50h 20m

Ulaanbaatar Chinggis Khaan

Wed 31/12

00:00-03:00

Nonstop0h 00m

£875
Fastest return journey

SydneyUlaanbaatar

SYD Sydney Kingsford Smith - UBN Ulaanbaatar Chinggis Khaan

SYDUBN

Sydney Kingsford Smith

Mon 15/3

10:20-23:05

1 stop15h 45m

Ulaanbaatar Chinggis Khaan

Mon 29/3

00:25-20:05

1 stop16h 40m

£1,121

SydneyUlaanbaatar

SYD Sydney Kingsford Smith - UBN Ulaanbaatar Chinggis Khaan

SYDUBN

Sydney Kingsford Smith

Mon 15/3

10:20-23:05

1 stop15h 45m

Ulaanbaatar Chinggis Khaan

Wed 31/3

00:25-20:05

1 stop16h 40m

£1,121

SydneyUlaanbaatar

SYD Sydney Kingsford Smith - UBN Ulaanbaatar Chinggis Khaan

SYDUBN

Sydney Kingsford Smith

Thu 18/3

10:20-10:25

1 stop27h 05m

Ulaanbaatar Chinggis Khaan

Sat 27/3

00:25-20:05

1 stop16h 40m

£1,160

SydneyUlaanbaatar

SYD Sydney Kingsford Smith - UBN Ulaanbaatar Chinggis Khaan

SYDUBN

Sydney Kingsford Smith

Fri 19/3

21:55-23:05

1 stop28h 10m

Ulaanbaatar Chinggis Khaan

Wed 31/3

00:25-20:05

1 stop16h 40m

£1,160

SydneyUlaanbaatar

SYD Sydney Kingsford Smith - UBN Ulaanbaatar Chinggis Khaan

SYDUBN

Sydney Kingsford Smith

Sun 14/3

21:55-10:25

1 stop15h 30m

Ulaanbaatar Chinggis Khaan

Wed 31/3

13:00-20:05

1 stop28h 05m

£1,200

SydneyUlaanbaatar

SYD Sydney Kingsford Smith - UBN Ulaanbaatar Chinggis Khaan

SYDUBN

Sydney Kingsford Smith

Tue 16/3

21:55-10:25

1 stop15h 30m

Ulaanbaatar Chinggis Khaan

Fri 2/4

13:00-20:05

1 stop28h 05m

£1,200

SydneyUlaanbaatar

SYD Sydney Kingsford Smith - UBN Ulaanbaatar Chinggis Khaan

SYDUBN

Sydney Kingsford Smith

Sat 26/12

10:20-23:05

1 stop15h 45m

Ulaanbaatar Chinggis Khaan

Sat 2/1

00:25-08:20

1 stop28h 55m

£1,345

SydneyUlaanbaatar

SYD Sydney Kingsford Smith - UBN Ulaanbaatar Chinggis Khaan

SYDUBN

Sydney Kingsford Smith

Tue 8/12

10:20-10:25

1 stop27h 05m

Ulaanbaatar Chinggis Khaan

Mon 14/12

00:25-08:20

1 stop28h 55m

£1,370

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Showing 1-10 of 14 resultsSorted by cheapest first
1
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Best time to book a flight from Sydney to Ulaanbaatar

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

Cheapflights Insights

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

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

To ensure you get the cheapest price possible for a flight from Sydney to Ulaanbaatar, you should look to book at least 37 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 Sydney to Ulaanbaatar?

Currently, February is the cheapest month in which you can book a flight from Sydney to Ulaanbaatar (average of £500). Flying from Sydney to Ulaanbaatar in December is currently the most expensive (average of £1,021). 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 Sydney to Ulaanbaatar?

Airfare is below average for this route at the moment.

Sydney to Ulaanbaatar flights typically cost between £679 and £985 in March.
The cheapest return price found within the last 5 days was £664 on Multiple Airlines (17 Mar–31 Mar).

Related info for your journey

  • How long is the flight from Sydney to Ulaanbaatar?

    Airlines like Asiana Airlines fly from Sydney to Ulaanbaatar in about 15h 45m. The time it takes to get you to your destination can typically vary by up to . There are 6266 mi between Sydney and Ulaanbaatar.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Sydney to Ulaanbaatar (average of £500). Flying from Sydney to Ulaanbaatar in December is currently the most expensive (average of £1,021). 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

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

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