Flights to Australia in September 2026
- Lowest fare
- ฿5,322Sep 14
- Roundtrip from
- ฿11,788
- Typical roundtrip
- ฿23,707
What do flights from Bangkok to Australia cost?
Australia gives you 6 destinations to compare from Bangkok. 97 one-way fares from ฿5,322 · 1,832 roundtrips from ฿11,788. These results are for september 2026.
- One way from
- ฿5,322
- 97 outbound-only options
- Roundtrip from
- ฿11,788
- 1,832 complete trips
- Typical roundtrip
- ฿23,707
- Half cost less, half cost more
- Destinations
- 6
- Across 1 countries
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Best Deals
Roundtrip deals
1,832 fares · from ฿11,788
Outbound and return flights together in one total fare.
DestinationSydney
Australia
Weather18°MildTypical roundtrip฿24,266Cheapest roundtrip฿16,194฿24,266−33%Sep 20 → Oct 9Save ฿8,072
Sydney
Australia
DestinationPerth
Australia
Weather19°MildTypical roundtrip฿17,396Cheapest roundtrip฿11,788฿17,396−32%Sep 22 → Oct 13Save ฿5,608
Perth
Australia
DestinationMelbourne
Australia
Weather18°MildTypical roundtrip฿22,587Cheapest roundtrip฿15,550฿22,587−31%Sep 14 → Oct 3Save ฿7,037
Melbourne
Australia
DestinationBrisbane
Australia
Weather21°MildTypical roundtrip฿28,444Cheapest roundtrip฿19,586฿28,444−31%Sep 12 → Oct 1Save ฿8,858
Brisbane
Australia
DestinationAdelaide
Australia
Weather17°MildTypical roundtrip฿32,800Cheapest roundtrip฿24,878฿32,800−24%Sep 14 → Sep 22Save ฿7,922
Adelaide
Australia
DestinationCairns
Australia
Weather—Typical roundtrip฿30,095Cheapest roundtrip฿29,342฿30,095−3%Sep 9 → Oct 1Save ฿753
Cairns
Australia
One-way deals
97 fares · from ฿5,322
Outbound fare only — add a return separately if you need one.
DestinationMelbourne
Australia
Weather18°MildTypical one way฿11,075Cheapest one-way fare฿6,947฿11,075−37%Sep 14Save ฿4,128
Melbourne
Australia
DestinationPerth
Australia
Weather19°MildTypical one way฿7,920Cheapest one-way fare฿5,322฿7,920−33%Sep 14Save ฿2,598
Perth
Australia
DestinationAdelaide
Australia
Weather17°MildTypical one way฿16,197Cheapest one-way fare฿11,731฿16,197−28%Sep 14Save ฿4,466
Adelaide
Australia
DestinationSydney
Australia
Weather18°MildTypical one way฿11,175Cheapest one-way fare฿8,245฿11,175−26%Sep 22Save ฿2,930
Sydney
Australia
DestinationBrisbane
Australia
Weather21°MildTypical one way฿14,194Cheapest one-way fare฿11,302฿14,194−20%Sep 12Save ฿2,892
Brisbane
Australia
DestinationCairns
Australia
Weather—Typical one way฿13,228Cheapest one-way fare฿13,790Sep 8
Cairns
Australia
Plan with confidence
Find the trip that fits
Compare prices, dates, airlines and travel time. Then choose the deal that feels right.
Where your money goes furthest
Cheapest destinations for Australia
Sorted by the lowest roundtrip fare. The typical price shows whether the cheapest result is common or unusual.
| Destination | Lowest | Typical | Results | Non-stop |
|---|---|---|---|---|
1 PerthAustralia | ฿11,788 | ฿15,951 | 378 | 2% |
2 MelbourneAustralia | ฿15,550 | ฿21,170 | 376 | 15% |
3 SydneyAustralia | ฿16,194 | ฿21,492 | 363 | 0% |
4 BrisbaneAustralia | ฿19,586 | ฿29,857 | 312 | 18% |
5 AdelaideAustralia | ฿24,878 | ฿35,855 | 359 | 0% |
| 6🌍CairnsAustralia | ฿29,342 | ฿33,407 | 44 | 0% |
Destination map
Where you can go for Australia
The leading destinations shown by location. Larger dots mean more flight options.
Typical prices
What do Australia roundtrips usually cost?
This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.
Useful trip facts
What to know about Australia
- Country code
- AU
- Currency
- AUD
- Local-cost group
- 4 / 5
- A broad comparison, separate from airfare
- Typical outbound from Bangkok
- 9h 45m
- Typical stay
- 12 nights
Why go
Why travelers consider Australia
Sun, surf, and wildlife found nowhere else. From the Outback to the Great Barrier Reef, adventure calls.