Lowest Priced Flights to Sydney on Alaska Airlines starting at $563*
Most popular flights to Sydney on Alaska Airlines.*
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)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)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.
Top offers for Sydney one-way flights.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Sep 14, 2026 | From $563 Seen: 8 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Sep 16, 2026 | From $563 Seen: 8 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Sep 21, 2026 | From $563 Seen: 8 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Sep 23, 2026 | From $563 Seen: 8 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Sep 30, 2026 | From $563 Seen: 8 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Nov 22, 2026 | From $563 Seen: 8 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Oct 14, 2026 | From $563 Seen: 8 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Oct 19, 2026 | From $563 Seen: 8 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Oct 26, 2026 | From $563 Seen: 8 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Oct 28, 2026 | From $563 Seen: 8 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Oct 21, 2026 | From $563 Seen: 8 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Oct 16, 2026 | From $581 Seen: 8 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Nov 2, 2026 | From $628 Seen: 8 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Nov 4, 2026 | From $628 Seen: 8 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Aug 4, 2026 | From $628 Seen: 8 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Aug 11, 2026 | From $628 Seen: 8 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Aug 16, 2026 | From $628 Seen: 8 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Aug 17, 2026 | From $628 Seen: 8 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Aug 19, 2026 | From $628 Seen: 8 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Sep 9, 2026 | From $628 Seen: 8 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.