United Airlines Seattle to Sydney Flights

Return flight: Sydney – Seattle
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Cheapflightsplus.com will find cheap United Airlines flights from Seattle to Sydney. Compare airline ticket prices and book air tickets starting from $673 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — Sydney by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in march: one-way - $673, two-way – $1154.
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Cheap Flights from Seattle to Sydney by United Airlines

Look at the list of plane tickets for the most connecting flights by United Airlines, their prices start from $673. There’re no direct flights. The fastest connecting flight – 18h 22m.
Price Departure Arrival Flight Time Airline Flight
from $673
Find flight
4:58 pm
Seattle
Seattle-Tacoma Intl
 6:20 am+2 дня
Sydney
Kingsford Smith
 18h 22m
layover
1h 0m - San Francisco
 United Airlines
UA2482
UA829
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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/23/2025
Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
4:58 pm — 6:20 am
+2 days
4:58 pm — 7:10 pm UA2482 United Airlines
Seattle — San Francisco
1h stop
8:10 pm — 6:20 am UA829 United Airlines
San Francisco — Sydney
18h 22m
including layover
Find flight
from$673
*Departure and arrival times are local. Last updated on 02/23/2025

Flight Information

There are 2 flights by United Airlines from Seattle to Sydney every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Kingsford Smith, Bankstown, Palm Beach SPB, Rose Bay, Sydney West.

Departures start from 4:58 pm to 4:58 pm. Nonstop flight is 18h 22m. The time difference between Seattle and Sydney is 6h.

  • The fastest flight 18h 22m
  • Average flight time 18h 22m
  • The earliest flight 4:58 pm
  • The latest flight 4:58 pm
  • Distance 7750 ml

The cheapest months for traveling to Sydney are february (from 673 $).

The cheapest flight by United Airlines that our users were able to find is $673. This airfare is economy class on one-way UA2482 flight for February 21, 2025 leaving Seattle-Tacoma Intl in Seattle at 4:58 pm, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from Seattle to Sydney:

Other Popular Airlines on the Route

Besides United Airlines there are other 1 airline carriers between Seattle and Sydney. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to Sydney.

Nonstop flights

There’re no direct flights on this route. Try flights with stops.

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Connecting Flights

List of flights with layovers (1 and more stops):

  • JL - Japan Airlines - JAL
    from $743
    Find
See more connecting flights

How to book an air ticket yourself?

How to book an air 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.
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  • 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.

    To find a plane ticket, please select dates.

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