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Cheap flights from Seattle-Tacoma International (SEA) to Sydney (SYD)

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The best prices from Seattle-Tacoma International to Sydney are usually found in May or March, booked 58 days in advance, depart on a Tuesday or Monday and return on a Thursday

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

SEA - SYD
Price
$928 - $1,613
SYD
Temperature
32 - 75.2 °F
SYD
Rainfall
3.3 - 6.3 inches

Popular in

December

High demand for flights, 34% potential price rise

Cheapest in

May

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

Round-trip from

$928

From Seattle-Tacoma International to Sydney

One-way from

$707

One-way flight from Seattle-Tacoma International 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-Tacoma International to Sydney?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 18% when planning your travel around this day of the week.

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

Find a great deal and save up to 14% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle-Tacoma International to Sydney within the next two weeks, with the cheapest ticket starting at $1,179.

What is the cheapest month to fly from Seattle-Tacoma International to Sydney?

Flights from Seattle-Tacoma International to Sydney lean towards being more expensive in December. Prices are generally better when you fly from Seattle-Tacoma International to Sydney in July, with the cheapest ticket starting at $635.

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

A simple way to save on the total cost of your ticket is to fly from Seattle-Tacoma International to Sydney in the afternoon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the evening.

Cheap flights from Seattle-Tacoma International to Sydney in January, February 2021

3 Feb - 27 Feb
$3,912pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
14 Feb - 25 Sep
$4,565pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
14 Feb - 25 Sep
$4,566pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle-Tacoma International to Sydney 2021 flight deals

15 Oct - 21 Oct
$876pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Nov - 13 Nov
$945pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
3 Nov - 13 Nov
$952pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle-Tacoma International to Sydney

3 Feb - 27 Feb
$3,912pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
31 Jan - 25 Sep
$6,037pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
31 Jan - 25 Sep
$6,111pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
SYD
Sydney Kingsford Smith
SYD
Sydney Kingsford Smith
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Sydney from Seattle-Tacoma International

1:45 pm - 9:15 am
Fiji Airways
2 Stops
25h 30m
SEA - SYD
Fiji Airways
$707
Flights by SU
4:10 pm - 4:00 am
Multiple Airlines
1 Stop
40h 50m
SEA - SYD
Multiple Airlines
$11,206
Travelgenio
12:59 pm - 3:30 am
Delta
1 Stop
19h 31m
SEA - SYD
Delta
$13,526
Delta

Related info for your journey

Flight FAQs

From Seattle-Tacoma International to Sydney

Are flight prices decreasing from Seattle to Sydney due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and Sydney for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to Sydney Kingsford Smith to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta and Alaska Airlines are some airlines that have done so. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Seattle/Tacoma Intl to Sydney Kingsford Smith. Policies will vary by airline.

Which airlines flying from Seattle/Tacoma Intl to Sydney Kingsford Smith have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Air Canada, Air New Zealand, and Qantas Airways flying from Seattle/Tacoma Intl to Sydney Kingsford Smith have implemented new flexible cancellation policies.

Can I find flights from Seattle-Tacoma International to Sydney for under $1,000 on Cheapflights?

Yes, there are multiple flights from Seattle-Tacoma International to Sydney for under $1,000. The cheapest flight booked recently is on Multiple Airlines for just $990, but on average you can expect to pay $1,157.

Are there nonstop flights from Seattle-Tacoma International to Sydney for under $1,000 on Cheapflights?

There are no nonstop flights from Seattle-Tacoma International to Sydney, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Seattle-Tacoma International to Sydney for under $4,000?

There are currently 20+ open flights from Seattle-Tacoma International to Sydney within the next 7 days for less than $4,000.

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?

Expect the weather to be around 81 °F on average in January. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Sydney is generally hotter than in Seattle.

What are the cheapest airlines to fly from Seattle-Tacoma International to Sydney one-way?

The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $707. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Seattle-Tacoma International to Sydney for a low price.

Destination information for Sydney

Today's exchange rate
$1 = $1.30
Average temperature for January in Sydney
32.0 °F
Avg rainfall for January in Sydney
5.7 ″

Airports servicing Seattle

Airports servicing Sydney

Top 10 airlines flying from Seattle-Tacoma International to Sydney

Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$137 $217 No cancel fee 75%
Fiji Airways
$473 $908 No cancel fee 74%
China Eastern
$680 $1,007 No cancel fee 62%

We couldn't confirm the COVID-19 safety measures taken by China Eastern. Please check directly on their website for additional information.

American Airlines
$560 $1,060 No cancel fee 71%
Qantas Airways
$554 $1,088 No cancel fee 74%
Hawaiian Airlines
$799 $1,118 No cancel fee 85%
Virgin Australia
$646 $1,122 No cancel fee 80%
Delta
$137 $1,127 No cancel fee N/A
United Airlines
$198 $1,197 No cancel fee 69%
Japan Airlines
$658 $1,745 No cancel fee 79%

We couldn't confirm the COVID-19 safety measures taken by Japan Airlines. Please check directly on their website for additional information.

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