Alaska Airlines Flights from United States to Australia
Deals on one-way flights from United States to Australia.*
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)San Francisco (SFO)to
Sydney (SYD)San Francisco (SFO)to
Sydney (SYD)San Francisco (SFO)to
Sydney (SYD)San Francisco (SFO)to
Sydney (SYD)San Francisco (SFO)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 low-fare flights United States to Australia.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Aug 17, 2026 | From $571 Seen: 17 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Aug 26, 2026 | From $571 Seen: 17 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Sep 7, 2026 | From $571 Seen: 17 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Sep 14, 2026 | From $571 Seen: 17 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Sep 16, 2026 | From $571 Seen: 17 hours ago | |
| Los Angeles (LAX) | Sydney (SYD) | One-way | Saver | Depart: Sep 21, 2026 | From $571 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Aug 26, 2026 | From $571 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 7, 2026 | From $571 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 14, 2026 | From $571 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 16, 2026 | From $571 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 21, 2026 | From $571 Seen: 17 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 23, 2026 | From $571 Seen: 17 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Aug 17, 2026 | From $636 Seen: 17 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Aug 19, 2026 | From $636 Seen: 17 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Sep 9, 2026 | From $636 Seen: 17 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Sep 21, 2026 | From $636 Seen: 17 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Oct 13, 2026 | From $636 Seen: 17 hours ago | |
| Seattle (SEA) | Sydney (SYD) | One-way | Saver | Depart: Oct 25, 2026 | From $636 Seen: 17 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Aug 3, 2026 | From $636 Seen: 17 hours ago | |
| Portland (PDX) | Sydney (SYD) | One-way | Saver | Depart: Aug 12, 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.