Flights to Australasia in September 2026
- Lowest fare
- ฿5,450Sep 18
- Roundtrip from
- ฿11,644
- Typical roundtrip
- ฿24,974
Where are the best-value flights to Australasia?
Compare 10 destinations across Australasia and choose the best fit for your dates and budget. 187 one-way fares from ฿5,450 · 2,582 roundtrips from ฿11,644. These results are for september 2026.
- One way from
- ฿5,450
- 187 outbound-only options
- Roundtrip from
- ฿11,644
- 2,582 complete trips
- Typical roundtrip
- ฿24,974
- Half cost less, half cost more
- Destinations
- 10
- Across 2 countries
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Best Deals
Roundtrip deals
2,582 fares · from ฿11,644
Outbound and return flights together in one total fare.
CountryAustralia
Australasia · 6 cities
Weather21°MildTypical roundtrip฿28,699Cheapest roundtrip฿16,400฿28,699−43%Sep 9 → Oct 1Save ฿12,299
Australia
Australasia · 6 cities
Brisbane
Cheapest in September 2026
From฿16,400
Brisbane
Cheapest in September 2026
Perth
Cheapest in September 2026
From฿11,644
Perth
Cheapest in September 2026
Sydney
Cheapest in September 2026
From฿16,170
Sydney
Cheapest in September 2026
Melbourne
Cheapest in September 2026
From฿15,633
Melbourne
Cheapest in September 2026
Adelaide
Cheapest in September 2026
From฿26,403
Adelaide
Cheapest in September 2026
Cairns
Cheapest in September 2026
From฿29,342
Cairns
Cheapest in September 2026
CountryNew Zealand
Australasia · 4 cities
Weather13°MildTypical roundtrip฿47,486Cheapest roundtrip฿34,192฿47,486−28%Sep 10 → Sep 17Save ฿13,294
New Zealand
Australasia · 4 cities
Wellington
Cheapest in September 2026
From฿34,192
Wellington
Cheapest in September 2026
Christchurch
Cheapest in September 2026
From฿33,491
Christchurch
Cheapest in September 2026
Auckland
Cheapest in September 2026
From฿33,708
Auckland
Cheapest in September 2026
Queenstown
Cheapest in September 2026
From฿42,404
Queenstown
Cheapest in September 2026
One-way deals
187 fares · from ฿5,450
Outbound fare only — add a return separately if you need one.
CountryAustralia
Australasia · 6 cities
Weather21°MildTypical one way฿14,522Cheapest one-way fare฿8,558฿14,522−41%Sep 9Save ฿5,964
Australia
Australasia · 6 cities
Brisbane
Cheapest in September 2026
From฿8,558
Brisbane
Cheapest in September 2026
Melbourne
Cheapest in September 2026
From฿7,304
Melbourne
Cheapest in September 2026
Perth
Cheapest in September 2026
From฿5,450
Perth
Cheapest in September 2026
Sydney
Cheapest in September 2026
From฿8,190
Sydney
Cheapest in September 2026
Adelaide
Cheapest in September 2026
From฿12,549
Adelaide
Cheapest in September 2026
Cairns
Cheapest in September 2026
From฿13,790
Cairns
Cheapest in September 2026
CountryNew Zealand
Australasia · 4 cities
Weather13°MildTypical one way฿29,696Cheapest one-way fare฿22,160฿29,696−25%Sep 12Save ฿7,536
New Zealand
Australasia · 4 cities
Wellington
Cheapest in September 2026
From฿22,160
Wellington
Cheapest in September 2026
Queenstown
Cheapest in September 2026
From฿21,748
Queenstown
Cheapest in September 2026
Christchurch
Cheapest in September 2026
From฿20,629
Christchurch
Cheapest in September 2026
Auckland
Cheapest in September 2026
From฿20,477
Auckland
Cheapest in September 2026
Plan with confidence
Find the trip that fits
Compare prices, dates, airlines and travel time. Then choose the deal that feels right.
Destination map
Where you can go for Australasia
The leading destinations shown by location. Larger dots mean more flight options.
Where your money goes furthest
Cheapest destinations for Australasia
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 | ฿11,644 | ฿16,581 | 438 | 5% |
2 MelbourneAustralia | ฿15,633 | ฿21,631 | 437 | 4% |
3 SydneyAustralia | ฿16,170 | ฿21,528 | 427 | 6% |
4 BrisbaneAustralia | ฿16,400 | ฿25,868 | 430 | 32% |
5 AdelaideAustralia | ฿26,403 | ฿36,215 | 395 | 0% |
| 6🌍CairnsAustralia | ฿29,342 | ฿36,120 | 158 | 0% |
7 ChristchurchNew Zealand | ฿33,491 | ฿47,152 | 51 | 0% |
8 AucklandNew Zealand | ฿33,708 | ฿46,201 | 225 | 0% |
| 9🌍WellingtonNew Zealand | ฿34,192 | ฿44,922 | 14 | — |
| 10🌍QueenstownNew Zealand | ฿42,404 | — | 7 | — |
Typical prices
What do Australasia roundtrips usually cost?
This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.
Why go
Why travelers consider Australasia
From the red outback deserts and Great Barrier Reef of Australia to the volcanic peaks and Maori culture of New Zealand, Australasia offers dramatic landscapes and laid-back adventure at the edge of the world.