Sydney, Australia — cheap flights destination

One-way and roundtrip flights from Bangkok

Finnair flights to Sydney

🏖️Beach🏙️City🥾Hiking

Best current fare: ฿25,386, 1% below the typical price.

Top deals

Dec 27 → Jan 6฿25,386 Dec 24 → Jan 6฿25,405 Dec 26 → Jan 6฿25,410 Jan 1 → Jan 6฿34,077 Jan 1 → Jan 5฿34,346 Jan 2 → Jan 6฿40,177

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. 38 roundtrips from ฿25,386. These results are for finnair (ay).

Roundtrip from: ฿25,386; 38 complete trips
Typical roundtrip: ฿25,693; Half cost less, half cost more
Flight options: 38; Roundtrips available
Non-stop: 0%; 0 fully non-stop roundtrips

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Best Deals

Roundtrip deals

38 fares · from ฿25,386

Outbound and return flights together in one total fare.

Show only roundtrip

Departure month

December 2026

Sydney

Weather22°Warm

Typical roundtrip฿24,326

Cheapest roundtrip฿25,386

Dec 27 → Jan 6

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Top 3 Deals

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Departure month

January 2027

Sydney

Weather23°Warm

Typical roundtrip฿24,326

Cheapest roundtrip฿34,077

Jan 1 → Jan 6

Show all January 2027 deals

Top 3 Deals

Open to load the cheapest matching fares.

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

Finnair (AY) at a glance

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

Typical price difference

+10%

฿25,693 here compared with ฿23,317

Non-stop options

+0 points compared with other flights

Typical flight time

10h 5m

0h 25m shorter than the comparison

Roundtrip options

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.

Lowest฿25,386

Typical low฿25,466

Typical฿25,693

Typical high฿28,229

Half of the 38 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
Comparison	Lowest	Typical range	Results	Non-stop
1Vietravel Airlines	฿15,970	฿18,452–฿20,312	38	0%
2VietJet Air	฿15,970	฿19,362–฿26,631	1,701	0%
3Thai AirAsia	฿15,970	฿19,342–฿27,804	674	0%
4AirAsia X	฿16,250	฿18,968–฿24,036	130	0%
5AirAsia	฿16,250	฿18,997–฿25,937	164	0%
6Scoot	฿16,795	฿19,898–฿27,699	2,284	0%
7Thai VietJet Air	฿18,157	฿19,997–฿27,182	67	0%
8Jetstar	฿18,157	฿22,463–฿30,710	963	0%
9China Southern	฿18,254	฿20,238–฿26,690	589	0%
10Batik Air Malaysia	฿18,268	฿23,335–฿27,672	549	0%
11Hainan Airlines	฿18,534	฿19,400–฿23,814	216	0%
12Cebu Pacific	฿18,653	฿21,081–฿28,370	80	0%

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; Airports represented in the current fare results
Arrival airports: SYD; Airports represented in the current fare results
Typical outbound from Bangkok: 10h 5m
Typical stay: 12 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

Common questions about Sydney

What is the lowest available roundtrip fare for Sydney?

The lowest available roundtrip fare is ฿25,386. Check the dates, baggage and final total before booking.

What is a typical fare for Sydney?

A typical fare is ฿25,693. Many available options sit between ฿25,466 and ฿28,229.

How many choices are available for Sydney?

Choose from 38 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?

Dec 2026 has the lowest available roundtrip fare, from ฿25,386.

Which airlines are available for Sydney?

VietJet Air, Finnair, Jetstar, Thai VietJet Air currently offer some of the lowest fares. Check both flights before booking, as a trip may combine airlines.

Where does Finnair to Sydney fly from Bangkok?

Finnair to Sydney operates flights from Bangkok to multiple destinations. Browse the deals on this page to see all available Finnair to Sydney routes.

How do I find the best deals on Finnair to Sydney?

Compare the current Finnair to Sydney fares from Bangkok, then save a suitable option to your local watchlist so you can recheck its price later.