Cheap flights from Seattle (SEA) to Sydney (SYD)

SEA — SYD
May 21 — May 281

The best prices from Seattle/Tacoma Intl to Sydney Kingsford Smith are usually found in May or March, booked 58 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

How to find the cheapest flight from Seattle to Sydney

All the information you need to plan the best SEA to SYD flight in 2022: compare Seattle to Sydney flight prices with the expected peak season, weather and rainfall in Sydney.

SEA - SYD

Price

$928 - $1,613

SYD

Temperature

51.8 - 71.6 °F

SYD

Rainfall

2 - 5.1 inches

Popular inDecemberHigh demand for flights, 34% potential price rise
Cheapest inMayBest time to find cheap flights, 13% potential price drop
Round-trip from$928From Seattle/Tacoma Intl to Sydney Kingsford Smith
One-way from$881One-way flight from Seattle/Tacoma Intl to Sydney Kingsford Smith

What is the cheapest day to fly round-trip from Seattle to Sydney?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 11%.

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

Find a great deal and save up to 29% by booking at least 58 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 to Sydney within the next two weeks, with the cheapest ticket starting at $1,107.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Sydney. Flights to Sydney from Seattle in May are about $1,072 on average during May, but can be found for as low as $856.

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 in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

Cheap flights from Seattle to Sydney in May, June 2022

The best prices found for SEA to SYD flights for May, June
Jun 10 - Sep 7
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

32h 45m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

28h 38m
$817

Air Canada

View Deal

Deal found 14.5.22

Jun 10 - Sep 7
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

18h 40m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

2 stops

21h 03m
$830

Multiple Airlines

View Deal

Deal found 14.5.22

Jun 10 - Sep 7
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

32h 45m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

2 stops

21h 03m
$834

Multiple Airlines

View Deal

Deal found 15.5.22

Seattle to Sydney 2022 flight deals

Cheap flights to Sydney from Seattle found for this year
May 15 - May 22
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

18h 35m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

17h 32m
$751

Air Canada

View Deal

Deal found 14.5.22

Aug 2 - Aug 16
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

18h 40m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

24h 30m
$774

Air Canada

View Deal

Deal found 14.5.22

Aug 21 - Sep 19
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

18h 40m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

17h 33m
$775

Air Canada

View Deal

Deal found 13.5.22

Cheap Air Canada flights from Seattle to Sydney

Aug 2 - Aug 16
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

18h 40m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

24h 30m
$774

Air Canada

View Deal

Deal found 14.5.22

Aug 21 - Sep 19
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

18h 40m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

17h 33m
$775

Air Canada

View Deal

Deal found 13.5.22

Nov 6 - Nov 16
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

18h 50m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

2 stops

20h 18m
$780

Air Canada

View Deal

Deal found 15.5.22

Cheap Hawaiian Airlines flights from Seattle to Sydney

May 26 - May 31
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

18h 00m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

17h 05m
$2,045

Hawaiian Airlines

View Deal

Deal found 15.5.22

May 26 - Jun 30
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

18h 00m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

17h 30m
$2,070

Hawaiian Airlines

View Deal

Deal found 15.5.22

May 26 - Jun 30
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

18h 00m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

2 stops

42h 30m
$2,091

Hawaiian Airlines

View Deal

Deal found 15.5.22

Last minute flights from Seattle to Sydney

Late deals on return flights to Sydney from Seattle, departing today and this week
May 21 - May 24
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

27h 55m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

21h 57m
$944

Air Canada

View Deal

Deal found 15.5.22

May 21 - May 24
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

47h 10m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

2 stops

32h 15m
$1,295

Multiple Airlines

View Deal

Deal found 15.5.22

May 22 - Jun 14
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

32h 15m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

2 stops

23h 08m
$1,318

Multiple Airlines

View Deal

Deal found 15.5.22

One-way flights to Sydney Kingsford Smith from Seattle

The cheapest one-way flights from Seattle to Sydney
Nov 2
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

48h 00m
$524

Multiple Airlines

View Deal

Deal found 15.5.22

Aug 6
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

49h 35m
$554

Multiple Airlines

View Deal

Deal found 15.5.22

Nov 7
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

21h 40m
$576

Multiple Airlines

View Deal

Deal found 15.5.22

Related info for your journey

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

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, Virgin Australia, and China Eastern flying from Seattle/Tacoma Intl to Sydney Kingsford Smith have implemented new flexible cancellation policies.

Can I find flights from Seattle to Sydney for under $800 on Cheapflights?

Yes, there are multiple flights from Seattle to Sydney for under $800. The cheapest flight booked recently is on Air Canada for just $774, but on average you can expect to pay $797.

Are there last-minute flights available from Seattle to Sydney for under $1,000?

There are currently 20+ open flights from Seattle to Sydney within the next 7 days for less than $1,000.

How popular is this Seattle to Sydney flight route?

This flight path from Seattle/Tacoma Intl to Sydney Kingsford Smith was viewed by 54 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline to fly from Seattle to Sydney round-trip?

Cheapflights users have booked flights from Seattle to Sydney round-trip from $774. This flight start at 27% lower than the current average price 3 months from now.

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

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $798. Hawaiian Airlines flights start at $831 while deals on Singapore Airlines start at $905 one-way.

What are the most popular airlines that fly from Seattle to Sydney?

American Airlines, Air Canada and Alaska Airlines are the most popular airlines when flying from Seattle to Sydney.

What are the cheapest flights from Seattle to Sydney?

On average you can expect to pay $4,895 for a flight from Seattle to Sydney. The cheapest flight overall is $9 while the most popular route, (Seattle/Tacoma Intl - Sydney Kingsford Smith) is currently priced at $772.

Alternative routes for Seattle to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Sydneyfrom $1,096 pp
Pasco to Sydneyfrom $1,635 pp

Top 5 airlines flying from Seattle to Sydney

The chart below displays the airlines Cheapflights users traveling from Seattle to Sydney choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$12Average$18FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Alaska AirlinesCheapest$114Average$139FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
DeltaCheapest$187Average$1,669FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$212Average$2,575FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Virgin AustraliaCheapest$646Average$1,122FlexibilityNo cancel feeOn-time80%COVID-19 safety
Search Virgin Australia flights