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)Oakland (OAK)to
Sydney (SYD)Oakland (OAK)to
Sydney (SYD)Oakland (OAK)to
Sydney (SYD)Oakland (OAK)to
Sydney (SYD)Oakland (OAK)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)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)*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 | |
|---|---|---|---|---|---|
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: May 18, 2026 | From $571 Seen: 17 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: May 25, 2026 | From $571 Seen: 17 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Jun 1, 2026 | From $571 Seen: 17 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Jul 27, 2026 | From $571 Seen: 17 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Aug 3, 2026 | From $571 Seen: 17 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Aug 5, 2026 | From $571 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Aug 11, 2026 | From $593 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Jun 7, 2026 | From $593 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: May 26, 2026 | From $593 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Jun 2, 2026 | From $593 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Jun 9, 2026 | From $593 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: May 31, 2026 | From $593 Seen: 17 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Aug 21, 2026 | From $628 Seen: 17 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Aug 27, 2026 | From $628 Seen: 17 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Aug 28, 2026 | From $628 Seen: 17 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Sep 11, 2026 | From $628 Seen: 17 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Sep 12, 2026 | From $628 Seen: 17 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Oct 2, 2026 | From $628 Seen: 17 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Jul 28, 2026 | From $636 Seen: 17 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: May 18, 2026 | From $636 Seen: 17 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.