Book Cheap Flights to Australia on Alaska Airlines
Great Australia one-way flight deals.*
Seattle (SEA)to
Sydney (SYD)Seattle (SEA)to
Sydney (SYD)Seattle (SEA)to
Sydney (SYD)Seattle (SEA)to
Sydney (SYD)Seattle (SEA)to
Sydney (SYD)Los Angeles (LAX)to
Sydney (SYD)Los Angeles (LAX)to
Sydney (SYD)Los Angeles (LAX)to
Sydney (SYD)Los Angeles (LAX)to
Sydney (SYD)Los Angeles (LAX)to
Sydney (SYD)Honolulu (HNL)to
Sydney (SYD)Honolulu (HNL)to
Sydney (SYD)Honolulu (HNL)to
Sydney (SYD)Honolulu (HNL)to
Sydney (SYD)Honolulu (HNL)to
Sydney (SYD)Portland (PDX)to
Sydney (SYD)Portland (PDX)to
Sydney (SYD)Portland (PDX)to
Sydney (SYD)Portland (PDX)to
Sydney (SYD)Portland (PDX)to
Sydney (SYD)*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
One-way offers for plane tickets to Australia.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Honolulu (HNL) | Sydney (SYD) | One-way | Saver | Depart: Dec 29, 2025 | From $533 Seen: 16 hours ago | |
| Honolulu (HNL) | Sydney (SYD) | One-way | Saver | Depart: Jan 31, 2026 | From $533 Seen: 16 hours ago | |
| Honolulu (HNL) | Sydney (SYD) | One-way | Saver | Depart: Feb 2, 2026 | From $533 Seen: 16 hours ago | |
| Honolulu (HNL) | Sydney (SYD) | One-way | Saver | Depart: Feb 4, 2026 | From $533 Seen: 16 hours ago | |
| Honolulu (HNL) | Sydney (SYD) | One-way | Saver | Depart: Feb 9, 2026 | From $533 Seen: 16 hours ago | |
| Honolulu (HNL) | Sydney (SYD) | One-way | Saver | Depart: Feb 11, 2026 | From $533 Seen: 16 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Feb 2, 2026 | From $559 Seen: 16 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Feb 4, 2026 | From $559 Seen: 16 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Feb 7, 2026 | From $559 Seen: 16 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Feb 12, 2026 | From $559 Seen: 16 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Feb 15, 2026 | From $559 Seen: 16 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Apr 29, 2026 | From $559 Seen: 16 hours ago | |
| San Francisco (SFO) | Sydney (SYD) | One-way | Saver | Depart: Jan 27, 2026 | From $631 Seen: 16 hours ago | |
| San Francisco (SFO) | Sydney (SYD) | One-way | Saver | Depart: Jan 30, 2026 | From $631 Seen: 16 hours ago | |
| San Francisco (SFO) | Sydney (SYD) | One-way | Saver | Depart: Feb 5, 2026 | From $631 Seen: 16 hours ago | |
| San Francisco (SFO) | Sydney (SYD) | One-way | Saver | Depart: Feb 16, 2026 | From $631 Seen: 16 hours ago | |
| San Francisco (SFO) | Sydney (SYD) | One-way | Saver | Depart: Feb 18, 2026 | From $631 Seen: 16 hours ago | |
| San Francisco (SFO) | Sydney (SYD) | One-way | Saver | Depart: Feb 19, 2026 | From $631 Seen: 16 hours ago | |
| Oakland (OAK) | Sydney (SYD) | One-way | Saver | Depart: Mar 19, 2026 | From $631 Seen: 16 hours ago | |
| Oakland (OAK) | Sydney (SYD) | One-way | Saver | Depart: Mar 21, 2026 | From $631 Seen: 16 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.