Flights Australia Sydney Seattle to Sydney

Flights from Seattle to Sydney

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Seattle to Sydney flight comparison made easy

Below you can see the best fares for your 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
Quickest
Cheapest
Multiple Airlines
Multiple Airlines
SEA
11:00 pm
Seattle/Tacoma Intl airport
36h 55m
2 Stops
4:55 am
+3
SYD
Sydney Kingsford Smith airport
Multiple Airlines
SYD
11:10 pm
Sydney Kingsford Smith airport
27h 27m
2 Stops
9:37 am
+1
SEA
Seattle/Tacoma Intl airport
723 USD
Multiple Airlines
Multiple Airlines
SEA
11:00 pm
Seattle/Tacoma Intl airport
38h 10m
2 Stops
6:10 am
+3
SYD
Sydney Kingsford Smith airport
Multiple Airlines
SYD
11:10 pm
Sydney Kingsford Smith airport
27h 35m
2 Stops
9:45 am
+1
SEA
Seattle/Tacoma Intl airport
755 USD
Multiple Airlines
Multiple Airlines
SEA
4:35 am
Seattle/Tacoma Intl airport
31h 20m
2 Stops
4:55 am
+2
SYD
Sydney Kingsford Smith airport
Multiple Airlines
SYD
11:10 pm
Sydney Kingsford Smith airport
25h 50m
2 Stops
8:00 am
+1
SEA
Seattle/Tacoma Intl airport
760 USD
Hawaiian Airlines
Hawaiian Airlines
SEA
2:00 am
Seattle/Tacoma Intl airport
17h 45m
1 Stop
12:45 pm
+1
SYD
Sydney Kingsford Smith airport
Hawaiian Airlines
SYD
7:40 am
Sydney Kingsford Smith airport
17h 20m
1 Stop
8:00 am
SEA
Seattle/Tacoma Intl airport
867 USD
Air Canada
Air Canada
SEA
1:20 pm
Seattle/Tacoma Intl airport
19h 00m
1 Stop
1:20 am
+2
SYD
Sydney Kingsford Smith airport
Air Canada
SYD
4:00 pm
Sydney Kingsford Smith airport
20h 24m
2 Stops
7:24 pm
SEA
Seattle/Tacoma Intl airport
1,314 USD
Qantas Airways
Qantas Airways
SEA
10:25 am
Seattle/Tacoma Intl airport
19h 40m
1 Stop
11:05 pm
+1
SYD
Sydney Kingsford Smith airport
Qantas Airways
SYD
2:25 am
Sydney Kingsford Smith airport
20h 10m
1 Stop
5:35 am
SEA
Seattle/Tacoma Intl airport
1,086 USD

How to get the cheapest flight 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 for your trip
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to Sydney from Seattle is February. Most expensive is December
CHEAPEST DAY TO FLY
Monday
The cheapest day of the week is typically Monday. The most expensive is typically Sunday
CHEAPEST TIME TO FLY
in the Afternoon
Seattle to Sydney flights are approximately 19% more expensive in the Morning than in the Afternoon
CHEAPEST AIRLINE
Alaska Airlines
Alaska Airlines, Spirit Airlines, and Major Airline are the most popular carriers operating from Seattle to Sydney
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
CHEAPEST TIME TO BOOK
45 days before
The cheapest time to buy a flight from Seattle to Sydney is approximately 45 days to departure
60
Days before departure
0

Flight information for Seattle to Sydney

Find info about flight duration, direct flights, and airports for your flight from Seattle to Sydney
Fastest flight time
20h 40m
The fastest flight from Seattle to Sydney takes 20h 40m.
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)

Alternative routes for Seattle to Sydney

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times

Cost comparison between Seattle and Sydney

Compare the costs of everyday items in Seattle and Sydney
Food
Inexpensive restaurant
15 USD
Seattle
13 USD
Sydney
Fast food
McDonald's meal
8.95 USD
Seattle
7.43 USD
Sydney
Soft drink
0.33 liter
1.92 USD
Seattle
2.39 USD
Sydney
Coffee
Cappuccino
4.30 USD
Seattle
2.81 USD
Sydney
Public transport
One-way ticket
2.74 USD
Seattle
2.85 USD
Sydney

Flights from Seattle to:

  • Sydney Kingsford Smith
  • New South Wales
  • Australia
  • South Pacific

Flights to Sydney from:

  • Seattle
  • Washington
  • United States
  • North America
Flights Australia Sydney Seattle to Sydney