Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Sydney to Seattle
Today’s flight suggestion for Sydney - Seattle
Outbound November 16, 2026 · Inbound November 29, 2026
Today’s suggestion
11:20 AM
SYD 11:14 AM
SEA18h 54m
1 stop
6:30 PM
SEA 9:05 AM +2
SYD19h 35m
1 stop
From $929
9:15 AM
SYD 10:51 PM
SEA32h 36m
1 stop
4:39 PM
SEA 9:05 AM +2
SYD21h 26m
1 stop
From $929
11:50 AM
SYD 12:20 PM
SEA19h 30m
1 stop
5:23 PM
SEA 9:20 AM +2
SYD20h 57m
1 stop
From $929
Cheapest flight tickets
$724
Average price of a round trip
$913
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
25h18
A flight from Sydney to Seattle takes on average 25h18.
Best time
September
According to user searches, the ideal month to go to Seattle is September.
Tips for finding a cheap flight from Sydney to Seattle
Check out our tips for booking your flight to Seattle (USA) from Sydney (Australia) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is October, with an average flight ticket price of $925 (calculation over the last two years). The most touristic season corresponds to the months of October, November and January.
For the cheapest flights, it is advisable to buy your ticket at least 2 days before the departure date.
The airline offering the cheapest flight tickets is United Airlines. A ticket from the airline United Airlines to Seattle costs on average $743.
The airlines that offer the most flights are .
info departure city :
Sydney, Australia
airports :
Sidney-Kingsford Smith Airport (SYD)
Rose Bay Water Airport (RSE)
Bankstown Airport (BWU)
local time :
Sydney is a city in the country Australia, the time zone is [[timezone]]. In Sydney, it is currently {fromLocalTime}, the temperature is on average 20°C, with a minimum of 18°C and a maximum of 23°C.
The city of Sydney (SYD) has 3 airport(s): Sidney-Kingsford Smith, Rose Bay Water and Bankstown
destination info :
Seattle, USA
airports :
Kenmore Air Harbor Spb. (LKE)
Seattle-Tacoma International Airport (SEA)
Renton Municipal Airport (RNT)
King County International Airport (BFI)
local time :
Seattle is in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {toLocalTime}, the temperature is on average 14°C, with a minimum of 10°C and a maximum of 18°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
Useful info about Seattle
What is the least touristic period to go to Seattle?
If you want to visit Seattle during the least touristic period, choose the month of September.
What is the most popular time to travel to Seattle?
In Seattle, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Sydney to Seattle?
According to our data, it is recommended to book your flight 2 days before your departure. If you book your flight ticket 1 weeks before your departure, you may find a price below average. You can also choose morning flights that are 23% cheaper than afternoon and evening flights. The cheapest day to book a flight from Sydney to Seattle is Thursday.
What are the arrival and destination airports when traveling between Sydney and Seattle?
When you leave, you can leave from Sidney-Kingsford Smith, and you will arrive at Seattle-Tacoma.
How to reach Sydney airport from the city centre?
The airport Sidney-Kingsford Smith is located 9 km, Rose Bay Water is located 6 km or Bankstown is located 22 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Sydney to Seattle?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Sydney and Seattle?
In summer, the average temperature is 18°C in Seattle and 13°C in Sydney. The average rainfall in summer is 38 mm in Seattle and 61 mm in Sydney. In summer, it is warmer in Seattle and it rains less in Seattle. In winter, it is colder in Sydney and it rains more in Seattle.
