Seattle to Sydney Flights
Everything you need to know about the SEA → SYD international route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.
✈️ Route Overview
Key facts for the Seattle to Sydney route
🛫 Airlines on This Route
Carriers operating SEA → SYD flights
| Airline | Notes |
|---|---|
| Qantas | Primary carrier on this route |
| Virgin Australia | Operates this route |
| Air New Zealand | Operates this route |
| Jetstar | Operates this route |
| Fiji Airways | Operates this route |
💡 Booking Tips
How to get the best deal on Seattle to Sydney flights
Best Days to Fly
Avoid Monday and Friday peak business travel; midweek is cheaper
Fare Range
$700-$3060 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.
Red-Eye Flights
✓ Available
Overnight flights on this route can save on hotel costs and maximize your time at the destination.
Track Your Flight
Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.
🧳 Travel Tips for This Route
Practical advice from frequent travelers on the SEA → SYD route
- 1 New Zealand requires an NZeTA for US citizens; apply online before departure.
- 2 Air New Zealand is consistently rated among the world's best airlines.
- 3 This ultra-long-haul route (7,750 miles) benefits greatly from lie-flat business class seating.
🏢 Airport Guides
Full terminal, transit, and traveler info for both airports
Track Your SEA → SYD Flight — Automatically
TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.
Frequently Asked Questions — Seattle to Sydney Flights
How long is the flight from Seattle to Sydney?
The average flight time from Seattle (SEA) to Sydney (SYD) is 14h 30m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.
Which airlines fly from Seattle to Sydney?
Airlines operating the SEA to SYD route include Qantas, Virgin Australia, Air New Zealand and 2 more. Check each airline's website for current schedules and availability.
How far is Seattle from Sydney?
The great-circle distance from Seattle to Sydney is 7,750 miles (12,472 km). This is the straight-line distance — actual flight paths may be slightly longer.
What are the cheapest days to fly from Seattle to Sydney?
Avoid Monday and Friday peak business travel; midweek is cheaper. Fares on this route typically range $700-$3060 round trip.
Is there a time zone change flying from Seattle to Sydney?
Yes — there is a +17 hours when flying from Seattle to Sydney. TripTrack automatically shows local times for both your departure and arrival airports.
Are there red-eye flights from Seattle to Sydney?
Yes, overnight (red-eye) flights are available on the SEA to SYD route. These can be a great way to save on hotel costs and maximize time at your destination.
How can I track my Seattle to Sydney flight in real time?
TripTrack automatically tracks your SEA to SYD flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.