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Cheap flights from Ulaanbaatar (UBN) to Sydney (SYD)

UBN — SYD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Ulaanbaatar Chinggis Khaan to Sydney Kingsford Smith are usually found in June or December, booked 65 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Ulaanbaatar to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Ulaanbaatar (UBN) 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 September 11, 2025.

Popular in

January

Cheapest in

June

Average price

$1,267
Highest demand for flights based on searches. 4% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 round-trip 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 Ulaanbaatar to Sydney

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

Use this chart to determine the optimal time to book a round-trip flight from Ulaanbaatar to Sydney. Price data was last updated on August 29, 2025.

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ulaanbaatar to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Ulaanbaatar to Sydney (average of $1,035). Flying from Ulaanbaatar to Sydney in December is currently the most expensive (average of $1,626). 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.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Cathay Pacific and Air China from Ulaanbaatar 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.
Cathay Pacific
7.6
Good
993 reviews

Boarding

7.9

Crew

8.1

Entertainment

7.8

Overall

7.6

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

YYZ - HKG

Overall journey was good. The economy seats on this airbus a350 was the worst . Too narrow and no underthigh support . My next journey from Hongkong to kathmandu was better as the economy seats on airbus a330 was a lot better than on this plane . Cathy should make a note on this . The long haul flights should have at least comfy seats compared to short flights from Hongkong to ktm
Cathay Pacific
7.6
Good
993 reviews
Cathay Pacific
7.6
Good
993 reviews

Boarding

7.9

Crew

8.1

Entertainment

7.8

Overall

7.6

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

YYZ - HKG

Overall journey was good. The economy seats on this airbus a350 was the worst . Too narrow and no underthigh support . My next journey from Hongkong to kathmandu was better as the economy seats on airbus a330 was a lot better than on this plane . Cathy should make a note on this . The long haul flights should have at least comfy seats compared to short flights from Hongkong to ktm
Air China
7.2
Good
99 reviews
Cathay Pacific
7.6
Good
993 reviews

Boarding

7.9

Crew

8.1

Entertainment

7.8

Overall

7.6

Comfort

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

YYZ - HKG

Overall journey was good. The economy seats on this airbus a350 was the worst . Too narrow and no underthigh support . My next journey from Hongkong to kathmandu was better as the economy seats on airbus a330 was a lot better than on this plane . Cathy should make a note on this . The long haul flights should have at least comfy seats compared to short flights from Hongkong to ktm

Related info for your journey

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

  • What are the cheapest airlines flying from Ulaanbaatar to Sydney round-trip?

    Our cheapest airline available from Ulaanbaatar to Sydney is MIAT Mongolian. Our recent data shows that you can find tickets from as low as $706 on this airline. Additional options worth looking into are Air China and Cathay Pacific, starting at $824 and $1,069 round-trip. MIAT Mongolian is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Ulaanbaatar to Sydney (average of $1,035). Flying from Ulaanbaatar to Sydney in December is currently the most expensive (average of $1,626). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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Top 3 airlines flying from Ulaanbaatar to Sydney

Discover the top 3 airlines that operate flights from Ulaanbaatar 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
MIAT MongolianCheapest$706Average$1,168FlexibilityNo cancel feeOn-time63%
Air ChinaCheapest$824Average$1,020FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$1,069Average$1,081FlexibilityNo cancel feeOn-time72%

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