Cheapest return SFO–SYD flights, June

AirHint found the following cheapest return flights from San Francisco (SFO) to Sydney (SYD) in June 2026 (see full year).

Return flights

05 Jun - 20 Jun Frontier Airlines
24 Jun - 10 Jul Alaska Airlines
11 Jun - 18 Jun Alaska Airlines
02 Jun - 10 Jun Frontier Airlines
05 Jun - 13 Jun Frontier Airlines
27 Jun - 12 Jul Alaska Airlines
04 Jun - 12 Jun Alaska Airlines
07 Jun - 12 Jun Alaska Airlines
13 Jun - 20 Jun Alaska Airlines
26 Jun - 07 Jul Alaska Airlines
21 Jun - 07 Jul Alaska Airlines
28 Jun - 12 Jul Alaska Airlines
18 Jun - 18 Jul Alaska Airlines
20 Jun - 04 Jul Frontier Airlines
21 Jun - 05 Jul Air New Zealand
21 Jun - 05 Jul Qantas direct
30 Jun - 14 Jul United direct
19 Jun - 26 Jun Alaska Airlines
16 Jun - 27 Jun Air New Zealand
05 Jun - 12 Jun Qantas direct

Also check the deals for one-way flights from San Francisco to Sydney in June.

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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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