AirHint found the following cheapest return flights from Oakland (OAK) to Sydney (SYD) in May 2026 (see full year).
Return flights
| 22 May - 31 May | Alaska Airlines | ||
| 20 May - 07 Jun | Alaska Airlines | ||
| 08 May - 22 May | Alaska Airlines | ||
| 29 May - 10 Jun | Japan Airlines | ||
| 17 May - 31 May | Japan Airlines | ||
| 15 May - 20 May | Japan Airlines |
Also check the deals for one-way flights from Oakland to Sydney in May.
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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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