Top 10 scenarios for travel from Melbourne or Brisbane, departing Dec. 18 to 21, 2026 and returning Jan. 2, 2027. Rankings favor cost first, then convenience and fit with an Osaka-centered trip.
📅 Outbound: Dec 18–21↩️ Return: Jan 2💰 AUD, return per adult🔎 Research snapshot: Aug 24, 2026
Best overall
BNE → KIX
Jetstar direct, if priced close to AirAsia X
Best budget potential
MEL → KIX
AirAsia X via Kuala Lumpur
Best alternate gateway
BNE → NRT
Jetstar direct, strong holiday fare evidence
Top 10 scenarios
Tap any card for the reasoning.
10 options shown
1
Brisbane → Osaka
Dec 18 → Jan 2 · Jetstar
DirectBest overallOsaka arrival
Planning range
A$1,450–1,750
Stops
0
Score
94/100
Value + convenience94%
Why it ranks first: direct service to the city that best fits the trip. Brisbane–Osaka December fares currently start around A$1,264, while the December average is much higher because of the Christmas peak.
Decision rule: take this if it is within roughly A$200 per person of the best AirAsia X fare.
2
Melbourne → Osaka
Dec 18 → Jan 2 · AirAsia X via KUL
Budget leader1 stopAirAsia X
Planning range
A$1,350–1,650
Stops
1
Score
92/100
Value + convenience92%
Why it ranks high: AirAsia X is currently identified as the cheapest airline on Melbourne–Osaka. December return fares on the route have recently started around A$1,249.
Watch: compare after adding checked baggage, seats and meals.
3
Brisbane → Tokyo
Dec 18 → Jan 2 · Jetstar
DirectStrong price signalTokyo, not Osaka
Planning range
A$1,400–1,650
Stops
0
Score
89/100
Value + convenience89%
Evidence: nearby holiday searches have shown Brisbane–Tokyo around A$1,363 to A$1,400 return. This is one of the strongest observed Christmas-period benchmarks.
Trade-off: excellent flight value, but reaching Osaka adds time and cost.
4
Brisbane → Osaka
Dec 19 → Jan 2 · Jetstar
DirectLater departure
Planning range
A$1,500–1,800
Stops
0
Score
88/100
Value + convenience88%
Why: keeps the strongest routing while shifting departure by one day. Christmas demand may raise the fare slightly versus Dec. 18.
5
Melbourne → Osaka
Dec 19 → Jan 2 · AirAsia X via KUL
1 stopLow-cost potential
Planning range
A$1,400–1,700
Stops
1
Score
87/100
Value + convenience87%
Best use: compare directly with Brisbane–Osaka. If this is A$200 to A$250 cheaper per person after baggage, the connection becomes easier to justify.
6
Brisbane → Tokyo
Dec 19 → Jan 2 · Jetstar
DirectAdds Japan transfer
Planning range
A$1,450–1,700
Stops
0
Score
84/100
Value + convenience84%
Use this when: Osaka fares spike but direct Tokyo inventory remains near the observed A$1,400 holiday benchmark.
7
Brisbane → Osaka
Dec 20 → Jan 2 · Jetstar
Direct routeDeeper peak
Planning range
A$1,550–1,850
Stops
0*
Score
82/100
Value + convenience82%
Why lower: moving closer to Christmas can reduce cheap inventory. *Direct service depends on the operating schedule for that specific date.
8
Melbourne → Osaka
Dec 20 → Jan 2 · AirAsia X via KUL
1 stopPeak-date pressure
Planning range
A$1,500–1,800
Stops
1
Score
80/100
Value + convenience80%
Use as a fallback: still worth testing because AirAsia X has strong underlying Melbourne–Osaka pricing, but Dec. 20 is deeper into peak demand.
9
Open-jaw: Brisbane → Tokyo, Osaka → Brisbane
Dec 18 → Jan 2 · Mixed Japan gateways
No backtrackingOpen-jaw
Planning range
A$1,500–1,850
Stops
Varies
Score
78/100
Value + convenience78%
Why it can work: lets you exploit a cheap Brisbane–Tokyo outbound while returning from Osaka, avoiding a final trip back to Tokyo.
Best for: a trip that includes both Tokyo and Kansai.
10
Melbourne → Tokyo
Dec 18 → Jan 2 · Scoot / other 1-stop
1 stopHigher benchmark
Planning range
A$1,750–2,100
Stops
1
Score
72/100
Value + convenience72%
Why it ranks last: Scoot's current December Melbourne–Tokyo benchmark is around A$1,798 return before considering your exact peak dates. It also places you farther from an Osaka-centered trip.
The simple booking rule
Prefer Brisbane → Osaka direct unless AirAsia X from Melbourne saves enough to justify the Kuala Lumpur connection.
AirAsia X should save ≈ A$200–250 per person
Research notes and sources
AirHint, Brisbane → Tokyo return fares, updated Aug. 24, 2026. Nearby holiday examples include A$1,363 Dec. 16–Jan. 1 and A$1,400 direct Dec. 24–Jan. 1. Source
AirHint, Melbourne → Osaka one-way fares, updated Aug. 24, 2026. Early December AirAsia X examples include A$418–420 one way. Source
AirHint, Brisbane → Osaka one-way fares, updated Aug. 23, 2026. Jetstar examples include A$749 on Dec. 22 and direct fares earlier in December. Source
I Want That Flight, Brisbane → Osaka. December 2026 lowest return benchmark about A$1,264, average about A$2,093. Jetstar and Qantas are listed as direct operators. Source
I Want That Flight, Melbourne → Osaka. December 2026 lowest return benchmark about A$1,249; AirAsia X currently identified as the cheapest airline on the route. Source
Scoot, Melbourne → Tokyo. December 2026 fares currently shown from about A$1,798 return. Source
Important: the scenario price bands are planning estimates, not locked quotes for the exact dates. Christmas and New Year inventory changes quickly. Compare final prices after checked baggage, seat selection and meals.