Cheap Flights from Seattle, WA to Sydney from $480
On Cheapflightsplus.com you will find 1000 connecting flights from Seattle to Sydney. You can compare airfare deals from 33 airlines and multiple travel sites from $480, book and save on cheap plane tickets and last minute offers. Also check out SEA-SYD flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Seattle to Sydney depends on and how to choose the most interesting flight option for you.
Distance between Seattle and Sydney is 12472 miles. Time difference between the cities is 6h. Airplanes depart 00:20 to 23:59 from 3 Seattle airports and arrive 00:20 to 23:59 to 5 Sydney airports. Average flight time is 32h 10m.
- The fastest flight 18h 20m
- Average flight time 32h 10m
- The earliest flight 00:20
- The latest flight 23:59
- Distance 7750 ml
Best Flights from Seattle to Sydney Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $493 | 16:30 Seattle Seattle-Tacoma Intl | 10:25+2 дня Sydney Kingsford Smith | 23h 55m layover 3h 45m - Tokyo | All Nippon Airways | NH117 NH879 |
| from $497 | 19:15 Seattle Seattle-Tacoma Intl | 08:20+2 дня Sydney Kingsford Smith | 19h 5m layover 2h 19m - Vancouver | Air Canada | AC8809 AC33 |
| from $480 | 13:45 Seattle Seattle-Tacoma Intl | 10:25+2 дня Sydney Kingsford Smith | 26h 40m layover 1h 54m - Vancouver 3h 45m - Tokyo | All Nippon Airways | NH5391 NH115 NH879 |
| from $515 | 19:15 Seattle Seattle-Tacoma Intl | 10:40+2 дня Sydney Kingsford Smith | 22h 25m layover 2h 59m - Vancouver 2h 0m - Brisbane | Air Canada | AC8809 AC35 AC2804 |
The cheapest months to travel to Sydney are july (from 480 $), june (from 494 $), august (from 496 $).
The most expensive months are january (from 1 324 $), december (from 794 $), november (from 770 $).
What is the lowest airfare Seattle to Sydney?
The cheapest plane ticket found by our users is $480. This airfare is for economy class on one-way NH5391 flight by All Nippon Airways for October 7, 2025 which leaves Seattle-Tacoma Intl in Seattle at 13:45 am and arrives at Sydney Kingsford Smith at 10:25.
Flight Schedule Seattle (Washington) to Sydney
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Popular Airlines on the Route
The flight Seattle — Sydney is served by 33 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by Japan Airlines - JAL - 14 departures per week at the price of from $ 726 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1841.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 1000 flights with layovers on the route. The fastest connecting flight is UA2632 by United Airlines takes 18h 20m and the cheapest is NH5391 by All Nippon Airways for $480.
- PR - Philippine Airlinesfrom $613Find
- JL - Japan Airlines - JALfrom $726Find
- FJ - Air Pacificfrom $699Find
- UA - United Airlinesfrom $536Find
- NZ - Air New Zealand Limitedfrom $963Find
- HU - Hainan Airlinesfrom $943Find
- JX - Jambojetfrom $600Find
- BR - EVA Airways Corporationfrom $657Find
- QF - Qantasfrom $528Find
- KE - Korean Airfrom $615Find
- MH - Malaysia Airlinesfrom $1668Find
- WS - WestJetfrom $1024Find
Airports
You can fly from Seattle to Sydney from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).
Seattle airports
- Boeing Field International Airport-BFIfrom $1154Find
- Seattle-Tacoma Intl-SEAfrom $480Find
- Kenmore Air Harbor SPB-LKEFind
Sydney airports
- Bankstown-BWUFind
- Palm Beach SPB-LBHFind
- Rose Bay-RSEFind
- Kingsford Smith-SYDFind
- Sydney West-SWZFind
Airplanes
There are flights to Sydney from Seattle by 33 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Seattle
You may also consider searching for discounted plane tickets to some other popular places from Seattle within United States.
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Top International Destinations from Seattle
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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