Prices are in Canadian Dollars.

Cheap flights from Seattle to Sydney

Round-trip
Economy
Seattle (SEA)
Sydney (SYD)
Depart
Return
Any month
Compare vs. Cheapflights |

How to find the cheapest flight from
Seattle (SEA) to Sydney (SYD)

SEA - SYD
Price
C$ 1,180 - C$ 2,051
SYD
Temperature
0 - 24 °C
SYD
Rainfall
84 - 160 mm

Popular in

December

High demand for flights, 34% potential price rise

Cheapest in

May

Best time to find cheap flights, 13% potential price drop

Average price

C$ 1,510

Average for round-trip flights in January 2021

Round-trip from

C$ 1,180

From Seattle to Sydney

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Sydney?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 13% on the overall cost on flights from Seattle to Sydney.

How far in advance should I book a flight from Seattle to Sydney?

Travellers have found it’s best to book a flight 60 days in advance to save up to 6% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 60 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Sydney 1-2 weeks in advance for as low as C$ 1,541, or C$ 1,641 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Sydney?

Our data shows that May tends to be the cheapest month to fly to Sydney from Seattle. Users have commonly found prices around C$ 1,533 for the month, but tickets can be as low as C$ 1,110. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Seattle to Sydney (SEA - SYD)?

A simple way to save on the total cost of your ticket is to fly from Seattle to Sydney at noon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the morning.

Related info for your journey

Useful info, stats and facts about Seattle to Sydney flights.

Flight FAQs

From Seattle to Sydney

Does it rain more in Seattle or Sydney?

The rainfall in Seattle is generally less than the rainfall in Sydney. This will continue over the next 24 days.

Is Seattle weather warmer or cooler than Sydney?

Our data indicates that the weather will be 27 °C on average in the month of January. The temperature in Sydney is typically hotter than in Seattle. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

Destination information for Sydney

Things to know before you go. Useful info for your trip from Seattle to Sydney
Today's exchange rate
C$ 1 = $1.02
Average temperature for January in Sydney
0.0 °C
Avg rainfall for January in Sydney
144.0 mm

Airports servicing Seattle

Airports servicing Sydney

  • Round-trip
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First