Cheap flights from Seattle to Sydney

Round-trip
Economy
Seattle (SEA)
Sydney (SYD)
Mon 8/3
Mon 8/10
Any month
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Flight information for Seattle to Sydney

Find info about flight duration, direct flights, and airports for your flight from Seattle to Sydney
Best Price Found $896 The best flight deal from Seattle to Sydney found on momondo in the last 72 hours is $896
Fastest flight time 19h 15m The fastest flight from Seattle to Sydney takes 19h 15m.
Direct flights None There are no direct flights from Seattle to Sydney. Popular non-direct route for this connection is Seattle/Tacoma Intl - Sydney Kingsford Smith.
Airports in Sydney 1 airport There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

How to get the cheapest flight ticket from Seattle to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Sydney?
March
The cheapest time of year to fly to Sydney from Seattle is March. Most expensive is December
What is the cheapest day to fly to Sydney?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Friday
When is the cheapest time to fly to Sydney?
in the afternoon
Seattle to Sydney flights are approximately 11% more expensive in the evening than in the afternoon
What is the cheapest airline that flies to Sydney?
Alaska Airlines
Alaska Airlines, Major Airline, and Fiji Airways are the most popular carriers operating from Seattle to Sydney
What is the cheapest route?
Seattle/Tacoma Intl - Sydney Kingsford Smith
Fly from Seattle/Tacoma Intl to Sydney Kingsford Smith for the best Seattle - Sydney flight prices
SEA
Seattle/Tacoma Intl
SYD
Sydney Kingsford Smith
When is the cheapest time to book a flight to Sydney?
54 days before
The cheapest time to buy a flight from Seattle to Sydney is approximately 54 days to departure
60
Days before departure
0

Easily compare round-trip flights from Seattle to Sydney

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Sydney by changing tabs
Cheapest
Best
Quickest
Multiple Airlines
Nov 4
SEA
Seattle/Tacoma Intl
29h 35m
1 stop
SYD
Sydney Kingsford Smith
Feb 1
SYD
Sydney Kingsford Smith
31h 43m
2 stops
SEA
Seattle/Tacoma Intl
Japan Airlines
Aug 5
SEA
Seattle/Tacoma Intl
30h 25m
2 stops
SYD
Sydney Kingsford Smith
Aug 10
SYD
Sydney Kingsford Smith
49h 35m
2 stops
SEA
Seattle/Tacoma Intl
Fiji Airways
Aug 3
SEA
Seattle/Tacoma Intl
28h 47m
2 stops
SYD
Sydney Kingsford Smith
Aug 11
SYD
Sydney Kingsford Smith
30h 20m
2 stops
SEA
Seattle/Tacoma Intl

Find the cheapest one-way flights from Seattle to Sydney

If you're looking for one-way flights from Seattle to Sydney, view some of our deals below provided by Hawaiian Airlines
Cheapest
Best
Quickest
Multiple Airlines
Sep 15
SEA
Seattle/Tacoma Intl
55h 18m
3 stops
SYD
Sydney Kingsford Smith
Hawaiian Airlines
Aug 26
SEA
Seattle/Tacoma Intl
19h 15m
1 stop
SYD
Sydney Kingsford Smith
Fiji Airways
Sep 15
SEA
Seattle/Tacoma Intl
25h 25m
2 stops
SYD
Sydney Kingsford Smith

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