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Sydney, Australia — cheap flights destination
One-way and roundtrip flights from Bangkok

AirAsia flights to Sydney

🏖️Beach🏙️City🥾Hiking
One way from ฿20,792 · Roundtrip from ฿16,250.
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Top deals
Sep 19 → Oct 7฿16,250Sep 20 → Oct 12฿16,250Sep 20 → Oct 7฿16,250Oct 14 → Oct 23฿16,250Oct 14 → Oct 19฿16,250Oct 14 → Oct 21฿16,250Oct 10฿20,792
Flights and prices

How much are flights from Bangkok to Sydney?

Planning a trip to Sydney? Compare dates, airlines, flight times and direct options from Bangkok. 1 one-way fares from ฿20,792 · 164 roundtrips from ฿16,250. These results are for airasia (ak).

One way from
฿20,792
1 outbound-only options
Roundtrip from
฿16,250
164 complete trips
Typical roundtrip
฿22,744
Half cost less, half cost more
Flight options
164
Roundtrips available
Where
Depart
Depart
Anytime
3d
Trip type
RETURN
Clear
Sort by
Best Deals

Roundtrip deals

164 fares · from ฿16,250

Outbound and return flights together in one total fare.

Show only roundtrip
Departure month

October 2026

Sydney

Weather18°Mild
Typical roundtrip฿24,326
Cheapest roundtrip฿16,250
฿24,326−33%
Oct 14 → Oct 23Save ฿8,076
Show all October 2026 deals

Top 3 Deals

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Departure month

September 2026

Sydney

Weather16°Mild
Typical roundtrip฿24,326
Cheapest roundtrip฿16,250
฿24,326−33%
Sep 19 → Oct 7Save ฿8,076
Show all September 2026 deals

Top 3 Deals

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One-way deals

1 fares · from ฿20,792

Outbound fare only — add a return separately if you need one.

Show only one way
Departure month

October 2026

Sydney

Weather18°Mild
Typical one way฿11,234
Cheapest one-way fare฿20,792
Oct 10
Show all October 2026 deals

Top 3 Deals

Open to load the cheapest matching fares.

Filters

1
Airlines
AirAsia
Public Holidays
Quick Filters

Direct only means outbound non-stop for one ways and both flights non-stop for roundtrips.

Vibe
Weather
Budget

Plan with confidence

Find the trip that fits

Compare prices, dates, airlines and travel time. Then choose the deal that feels right.

See the difference

AirAsia (AK) at a glance

Compare price, non-stop choice and travel time with other Sydney options.

Typical price difference

-2%

฿22,744 here compared with ฿23,317

Non-stop options

0%

+0 points compared with other flights

Typical flight time

10h

0h 30m shorter than the comparison

Roundtrip options

164

Trips ready to compare

Typical prices

What do Sydney roundtrips usually cost?

This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.

Half of the 164 prices fall inside the shaded band. This makes it easier to see whether the lowest fare is common or unusual.

Airline comparison

Alternative airlines for Sydney

Some trips combine airlines, so check both flights before you book.

Alternative airlines for Sydney
ComparisonLowestTypical rangeResultsNon-stop
1Vietravel Airlines฿15,970฿18,452–฿20,312380%
2VietJet Air฿15,970฿19,362–฿26,6311,7010%
3Thai AirAsia฿15,970฿19,342–฿27,8046740%
4AirAsia X฿16,250฿18,968–฿24,0361300%
5AirAsia฿16,250฿18,997–฿25,9371640%
6Scoot฿16,795฿19,898–฿27,6992,2840%
7Thai VietJet Air฿18,157฿19,997–฿27,182670%
8Jetstar฿18,157฿22,463–฿30,7109630%
9China Southern฿18,254฿20,238–฿26,6905890%
10Batik Air Malaysia฿18,268฿23,335–฿27,6725490%
11Hainan Airlines฿18,534฿19,400–฿23,8142160%
12Cebu Pacific฿18,653฿21,081–฿28,370800%

Weather through the year

Typical temperatures in Sydney

Usual monthly temperatures can help you choose when to go. They are not a live forecast.

23°Jan
23°Feb
22°Mar
19°Apr
16°May
14°Jun
13°Jul
14°Aug
16°Sep
18°Oct
20°Nov
22°Dec
Typical monthly temperature range: 13°C to 23°C. Verify a live forecast near departure.

Useful trip facts

What to know about Sydney

Country
Australia
Arrival code
SYD
Typical annual temperature
18°C
Usual temperature, not a forecast
Trip styles
Beach, City, Hiking
Bangkok departure airports
BKK, DMK
Airports represented in the current fare results
Arrival airports
SYD
Airports represented in the current fare results
Typical outbound from Bangkok
10h
Typical stay
11 nights

Why go

Why travelers consider Sydney

Sun, surf, and the iconic Opera House. Australia's harbor city blends beach culture with cosmopolitan sophistication.

Explore related searches

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All deals to Sydney
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All AirAsia deals

Common questions about Sydney

What is the lowest available one-way fare for Sydney?
The lowest available one-way fare is ฿20,792. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for Sydney?
The lowest available roundtrip fare is ฿16,250. Check the dates, baggage and final total before booking.
What is a typical fare for Sydney?
A typical fare is ฿22,744. Many available options sit between ฿18,997 and ฿25,937.
How many choices are available for Sydney?
Choose from 164 roundtrip flights across 1 destination in 1 country.
Are direct flights available for Sydney?
0 roundtrip flights are non-stop both ways. That is 0% of the current choices.
Which month has the lowest fares for Sydney?
Sep 2026 has the lowest available roundtrip fare, from ฿16,250.
Where does AirAsia to Sydney fly from Bangkok?
AirAsia to Sydney operates flights from Bangkok to multiple destinations. Browse the deals on this page to see all available AirAsia to Sydney routes.
How do I find the best deals on AirAsia to Sydney?
Compare the current AirAsia to Sydney fares from Bangkok, then save a suitable option to your local watchlist so you can recheck its price later.