Flights to Australasia in December 2026
- Lowest fare
- ฿6,004Dec 13
- Roundtrip from
- ฿13,603
- Typical roundtrip
- ฿32,755
Where are the best-value flights to Australasia?
Compare 10 destinations across Australasia and choose the best fit for your dates and budget. 306 one-way fares from ฿6,004 · 3,712 roundtrips from ฿13,603. These results are for december 2026.
- One way from
- ฿6,004
- 306 outbound-only options
- Roundtrip from
- ฿13,603
- 3,712 complete trips
- Typical roundtrip
- ฿32,755
- Half cost less, half cost more
- Destinations
- 10
- Across 2 countries
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Best Deals
Roundtrip deals
3,665 fares · from ฿13,603
Outbound and return flights together in one total fare.
CountryAustralia
Australasia · 6 cities
Weather18°MildTypical roundtrip฿23,235Cheapest roundtrip฿15,474฿23,235−33%Dec 24 → Jan 14Save ฿7,761
Australia
Australasia · 6 cities
Melbourne
Cheapest in December 2026
From฿15,474
Melbourne
Cheapest in December 2026
Sydney
Cheapest in December 2026
From฿16,646
Sydney
Cheapest in December 2026
Adelaide
Cheapest in December 2026
From฿24,306
Adelaide
Cheapest in December 2026
Brisbane
Cheapest in December 2026
From฿21,085
Brisbane
Cheapest in December 2026
Perth
Cheapest in December 2026
From฿13,603
Perth
Cheapest in December 2026
Cairns
Cheapest in December 2026
From฿25,346
Cairns
Cheapest in December 2026
CountryNew Zealand
Australasia · 4 cities
Weather18°MildTypical roundtrip฿41,697Cheapest roundtrip฿30,331฿41,697−27%Dec 23 → Jan 12Save ฿11,366
New Zealand
Australasia · 4 cities
Auckland
Cheapest in December 2026
From฿30,331
Auckland
Cheapest in December 2026
Christchurch
Cheapest in December 2026
From฿33,718
Christchurch
Cheapest in December 2026
Wellington
Cheapest in December 2026
From฿44,350
Wellington
Cheapest in December 2026
Queenstown
Cheapest in December 2026
From฿44,651
Queenstown
Cheapest in December 2026
One-way deals
307 fares · from ฿6,004
Outbound fare only — add a return separately if you need one.
CountryNew Zealand
Australasia · 4 cities
Weather19°MildTypical one way฿28,014Cheapest one-way fare฿15,211฿28,014−46%Dec 13Save ฿12,803
New Zealand
Australasia · 4 cities
Queenstown
Cheapest in December 2026
From฿15,211
Queenstown
Cheapest in December 2026
Christchurch
Cheapest in December 2026
From฿13,686
Christchurch
Cheapest in December 2026
Auckland
Cheapest in December 2026
From฿15,507
Auckland
Cheapest in December 2026
Wellington
Cheapest in December 2026
From฿21,209
Wellington
Cheapest in December 2026
CountryAustralia
Australasia · 6 cities
Weather18°MildTypical one way฿11,361Cheapest one-way fare฿7,457฿11,361−34%Dec 24Save ฿3,904
Australia
Australasia · 6 cities
Melbourne
Cheapest in December 2026
From฿7,457
Melbourne
Cheapest in December 2026
Adelaide
Cheapest in December 2026
From฿11,181
Adelaide
Cheapest in December 2026
Brisbane
Cheapest in December 2026
From฿10,226
Brisbane
Cheapest in December 2026
Sydney
Cheapest in December 2026
From฿8,039
Sydney
Cheapest in December 2026
Perth
Cheapest in December 2026
From฿6,004
Perth
Cheapest in December 2026
Cairns
Cheapest in December 2026
From฿11,893
Cairns
Cheapest in December 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 | ฿13,603 | ฿22,398 | 587 | 2% |
2 MelbourneAustralia | ฿15,474 | ฿27,816 | 590 | 4% |
3 SydneyAustralia | ฿16,646 | ฿31,343 | 567 | 1% |
4 BrisbaneAustralia | ฿21,085 | ฿34,958 | 583 | 35% |
5 AdelaideAustralia | ฿24,306 | ฿36,516 | 487 | 0% |
| 6🌍CairnsAustralia | ฿25,346 | ฿34,348 | 165 | 0% |
7 AucklandNew Zealand | ฿30,331 | ฿43,840 | 422 | 0% |
8 ChristchurchNew Zealand | ฿33,718 | ฿42,708 | 292 | 0% |
| 9🌍WellingtonNew Zealand | ฿44,350 | — | 4 | — |
| 10🌍QueenstownNew Zealand | ฿44,651 | ฿47,319 | 15 | — |
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.