AirHint found the following cheapest one-way flights from Indianapolis (IND) to Sydney (SYD) in December 2025 (see full year).
One-Way flights
| 25 Dec | Frontier Airlines | ||
| 26 Dec | Spirit Airlines | ||
| 27 Dec | Delta | ||
| 15 Dec | Air New Zealand | ||
| 16 Dec | Air New Zealand | ||
| 14 Dec | Air Canada | ||
| 18 Dec | Air Canada | ||
| 19 Dec | Delta |
Also check the deals for return flights from Indianapolis to Sydney in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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