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

SEA — SYD
Feb 7 — Feb 141

The best prices from Seattle/Tacoma Intl to Sydney Kingsford Smith are usually found in August or September, booked 42 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

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

All the information you need to plan the best SEA to SYD flight in 2023: compare Seattle to Sydney flight prices with the expected peak season, weather and rainfall in Sydney.

SEA - SYD

Price

$1,099 - $2,058

SYD

Temperature

51.8 - 71.6 °F

SYD

Rainfall

2 - 5.1 inches

Popular inDecemberHigh demand for flights, 30% potential price rise
Cheapest inAugustBest time to find cheap flights, 24% potential price drop
Round-trip from$1,099From Seattle/Tacoma Intl to Sydney Kingsford Smith
One-way from$634One-way flight from Seattle/Tacoma Intl to Sydney Kingsford Smith

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

Saturday is generally a great day to depart. Flying on this day could help you save up to 19%.

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

Find a great deal and save up to 28% by booking at least 43 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 $1,627.

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, August can be a great choice for travel to Sydney. Flights to Sydney from Seattle in August are about $1,443 on average during August, but can be found for as low as $881.

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 evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.

Cheap flights from Seattle to Sydney in February, March 2023

The best prices found for SEA to SYD flights for February, March
Mar 7 - Mar 12
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

23h 20m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

21h 18m
$1,116

Multiple Airlines

Pick Dates

Deal found 2/2

Mar 7 - Mar 15
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

23h 20m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

26h 38m
$1,117

Multiple Airlines

Pick Dates

Deal found 1/31

Mar 5 - Mar 15
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

23h 20m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

17h 03m
$1,142

Multiple Airlines

Pick Dates

Deal found 1/30

Seattle to Sydney 2023 flight deals

Cheap flights to Sydney from Seattle found for this year
Mar 7 - Mar 12
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

23h 20m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

21h 18m
$1,116

Multiple Airlines

Pick Dates

Deal found 2/2

Mar 7 - Mar 15
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

23h 20m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

26h 38m
$1,117

Multiple Airlines

Pick Dates

Deal found 1/31

Mar 8 - Mar 16
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

44h 10m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

2 stops

26h 00m
$1,162

Multiple Airlines

Pick Dates

Deal found 1/31

Cheap Air Canada flights from Seattle to Sydney

Mar 27 - Apr 5
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

28h 10m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

26h 47m
$1,250

Air Canada

Pick Dates

Deal found 2/1

May 24 - Jun 14
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

20h 00m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

20h 14m
$1,281

Air Canada

Pick Dates

Deal found 1/30

Mar 7 - Mar 15
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

23h 20m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

17h 03m
$1,291

Air Canada

Pick Dates

Deal found 1/30

Cheap Fiji Airways flights from Seattle to Sydney

Feb 11 - Feb 14
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

33h 10m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

2 stops

22h 56m
$1,860

Fiji Airways

Pick Dates

Deal found 1/30

Feb 11 - Feb 16
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

33h 10m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

3 stops

58h 00m
$1,924

Fiji Airways

Pick Dates

Deal found 1/30

Feb 11 - Feb 16
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

33h 10m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

2 stops

22h 56m
$1,953

Fiji Airways

Pick Dates

Deal found 1/30

Last minute flights from Seattle to Sydney

Late deals on return flights to Sydney from Seattle, departing today and this week
Feb 7 - Feb 14
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

44h 10m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

2 stops

24h 29m
$1,370

Multiple Airlines

Pick Dates

Deal found 1/31

Feb 12 - Feb 26
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

32h 30m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

25h 41m
$1,459

American Airlines

Pick Dates

Deal found 1/31

Feb 10 - Feb 18
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

47h 00m
SYD

Sydney Kingsford Smith

SEA

Seattle/Tacoma Intl

1 stop

33h 20m
$1,471

Multiple Airlines

Pick Dates

Deal found 1/31

One-way flights to Sydney from Seattle

The cheapest one-way flights from Seattle to Sydney
Mar 28
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

32h 25m
$633

Multiple Airlines

Pick Dates

Deal found 1/30

Mar 31
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

1 stop

27h 30m
$634

Multiple Airlines

Pick Dates

Deal found 1/31

Feb 28
SEA

Seattle/Tacoma Intl

SYD

Sydney Kingsford Smith

2 stops

32h 50m
$664

Multiple Airlines

Pick Dates

Deal found 1/31

Reviews of Airlines Servicing Sydney

Asiana Airlines
8.0
Very good
52 reviews

Boarding

8.2

Overall

8.0

Comfort

7.7

Food

8.1

Crew

8.3

Entertainment

7.5

Reviews

1 / 10

Seats were quite small and packed tightly together. Old entertainment system (no touchscreen).

Asiana Airlines
8.0
Very good
52 reviews
Asiana Airlines
8.0
Very good
52 reviews

Boarding

8.2

Overall

8.0

Comfort

7.7

Food

8.1

Crew

8.3

Entertainment

7.5

Reviews

1 / 10

Seats were quite small and packed tightly together. Old entertainment system (no touchscreen).

Air Canada
6.6
Okay
649 reviews
Asiana Airlines
8.0
Very good
52 reviews

Boarding

8.2

Overall

8.0

Comfort

7.7

Food

8.1

Crew

8.3

Entertainment

7.5

Reviews

1 / 10

Seats were quite small and packed tightly together. Old entertainment system (no touchscreen).

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 Delta 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 $1,100 on Cheapflights?

Yes, there are multiple flights from Seattle to Sydney for under $1,100. The cheapest flight booked recently is on Multiple Airlines for just $1,074, but on average you can expect to pay $1,192.

Are there last-minute flights available from Seattle to Sydney for under $1,400?

There are currently 20+ open flights from Seattle to Sydney within the next 7 days for less than $1,400.

How popular is this Seattle to Sydney flight route?

This flight path from Seattle/Tacoma Intl to Sydney Kingsford Smith was viewed by 41 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 $1,250. This flight start at 13% lower than the current average price 3 months from now.

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

Undisclosed Carrier, American Airlines and Air Canada 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 $6,216 for a flight from Seattle to Sydney. The cheapest flight overall is $649 while the most popular route, (Seattle/Tacoma Intl - Sydney Kingsford Smith) is currently priced at $1,104.

Alternative routes for Seattle to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Sydneyfrom $1,623 pp
Pasco to Sydneyfrom $2,258 pp

Top 10 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
Hawaiian AirlinesCheapest$474Average$1,879FlexibilityNo cancel feeOn-time85%COVID-19 safety
Search Hawaiian Airlines flights
Virgin AustraliaCheapest$646Average$1,122FlexibilityNo cancel feeOn-time80%COVID-19 safety
Search Virgin Australia flights
China EasternCheapest$680Average$1,007FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search China Eastern flights
American AirlinesCheapest$821Average$1,713FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Air CanadaCheapest$823Average$1,304FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
Fiji AirwaysCheapest$881Average$1,853FlexibilityNo cancel feeOn-time74%COVID-19 safety
Search Fiji Airways flights
ANACheapest$943Average$1,177FlexibilityNo cancel feeOn-time80%COVID-19 safety
Search ANA flights
DeltaCheapest$1,098Average$1,718FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$1,121Average$1,722FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
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