Cheapest return flights from Salt Lake City to Sydney in December from $1042

AirHint found the following cheapest return flights from Salt Lake City (SLC) to Sydney (SYD) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec Frontier Airlines
04 Dec - 06 Dec Hawaiian Airlines
07 Dec - 20 Dec Hawaiian Airlines
12 Dec - 06 Jan Alaska Airlines
20 Dec - 27 Dec Frontier Airlines
06 Dec - 20 Dec United
20 Dec - 03 Jan Frontier Airlines

Also check the deals for one-way flights from Salt Lake City 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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