AirHint found the following cheapest return flights from Seattle (SEA) to Sydney (SYD) in March 2026 (see full year).
Return flights
| 09 Mar - 14 Mar | Air Canada | ||
| 09 Mar - 24 Mar | Hawaiian Airlines | ||
| 06 Mar - 21 Mar | Air Canada | ||
| 13 Mar - 21 Mar | Qantas | ||
| 13 Mar - 28 Mar | Hawaiian Airlines | ||
| 06 Mar - 28 Mar | United | ||
| 07 Mar - 28 Mar | United |
Also check the deals for one-way flights from Seattle to Sydney in March.
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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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