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Cheap flights from Sydney to Seattle from $983

SYD — SEA
19 Sep — 26 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Seattle

Thu 19/1106:00 -
2 stops31h 26m
Sun 22/1112:42 -
2 stops28h 53m
Deal found 16/8$1,233
Wed 30/913:15 -
2 stops23h 24m
Sun 18/1017:04 -
2 stops35h 21m
Deal found 16/8$1,276
Mon 30/1111:20 -
1 stop26h 02m
Tue 1/1219:05 -
1 stop19h 30m
Deal found 17/8$1,438
Sun 18/1014:15 -
2 stops22h 18m
Sun 25/1017:59 -
2 stops24h 36m
Deal found 16/8$1,483
Thu 19/1111:20 -
1 stop22h 17m
Sun 22/1115:15 -
2 stops28h 25m
Deal found 16/8$1,492
Wed 30/909:20 -
1 stop26h 12m
Sun 18/1010:30 -
1 stop27h 50m
Deal found 16/8$1,510
Tue 6/1010:20 -
1 stop20h 36m
Sat 17/1015:30 -
1 stop22h 50m
Deal found 18/8$1,522
Tue 8/909:20 -
1 stop26h 12m
Tue 15/915:00 -
1 stop23h 20m
Deal found 16/8$1,523
Thu 10/909:20 -
1 stop21h 57m
Thu 24/910:50 -
1 stop27h 30m
Deal found 17/8$1,527
Mon 28/909:20 -
1 stop17h 45m
Tue 13/1010:50 -
1 stop27h 30m
Deal found 17/8$1,533

Find flight deals from Sydney to Seattle

Round-trip from

$1,233

One-way from

$983

Popular in

January

Cheapest in

August

Average price

$1,393
19/11-22/11
  • 19/11-22/11
  • 4 total stops
  • 60h 19m total
  • Sydney to Seattle
Search Deals
9/11
  • 9/11
  • 2 total stops
  • 35h 43m total
  • Sydney to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Sydney to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 15/2

10:40-10:35

1 stop18h 55m

Seattle/Tacoma Intl

Fri 12/3

19:35-05:50

2 stops63h 15m

$1,674

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 15/9

09:30-19:15

2 stops26h 45m

Seattle/Tacoma Intl

Wed 30/9

05:00-07:00

2 stops33h 00m

$1,713

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 2/9

09:55-17:39

2 stops24h 44m

Seattle/Tacoma Intl

Sun 20/9

17:44-08:45

2 stops22h 01m

$1,810
Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Fri 12/2

11:50-10:21

1 stop17h 31m

Seattle/Tacoma Intl

Fri 12/3

19:32-09:20

1 stop18h 48m

$1,813

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sat 13/2

10:40-14:47

1 stop23h 07m

Seattle/Tacoma Intl

Sat 13/3

13:30-07:30

2 stops23h 00m

$1,813

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 1/12

21:40-23:26

1 stop20h 46m

Seattle/Tacoma Intl

Wed 2/12

19:55-19:45

2 stops28h 50m

$1,932

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 21/12

11:50-18:07

2 stops25h 17m

Seattle/Tacoma Intl

Fri 8/1

19:32-06:20

1 stop39h 48m

$2,017

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sun 20/9

09:15-16:44

1 stop24h 29m

Seattle/Tacoma Intl

Mon 5/10

12:35-07:50

1 stop25h 15m

$2,041

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sat 5/9

20:45-06:20

2 stops26h 35m

Seattle/Tacoma Intl

Fri 18/9

07:20-18:50

1 stop18h 30m

$2,382

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sun 20/12

20:00-11:40

2 stops34h 40m

Seattle/Tacoma Intl

Thu 31/12

15:50-21:20

2 stops34h 30m

$2,392

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Sydney with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Sydney to Seattle

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

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Sydney to Seattle?

Currently, August is the cheapest month in which you can book a flight from Sydney to Seattle (average of $1,393). Flying from Sydney to Seattle in January is currently the most expensive (average of $1,722). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to Seattle?

Airfare is typical for this route at the moment.

Sydney to Seattle flights typically cost between $1,231 and $1,682 in November.
The cheapest return price found within the last 5 days was $1,233 on Multiple Airlines (19 Nov–22 Nov).

Reviews of airlines servicing Seattle

See what other customers who have flown with Hawaiian Airlines,Qantas Airways, andUnited Airlines from Sydney to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Hawaiian Airlines
7.8
Good
2,817 reviews
Check prices

Boarding

8.0

Comfort

7.7

Entertainment

7.1

Crew

8.5

Food

6.9

Overall

7.8

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
Hawaiian Airlines
7.8
Good
2,817 reviews
Hawaiian Airlines
7.8
Good
2,817 reviews
Check prices

Boarding

8.0

Comfort

7.7

Entertainment

7.1

Crew

8.5

Food

6.9

Overall

7.8

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
Qantas Airways
7.5
Good
1,083 reviews
Hawaiian Airlines
7.8
Good
2,817 reviews
Check prices

Boarding

8.0

Comfort

7.7

Entertainment

7.1

Crew

8.5

Food

6.9

Overall

7.8

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
United Airlines
7.4
Good
10,101 reviews
Hawaiian Airlines
7.8
Good
2,817 reviews
Check prices

Boarding

8.0

Comfort

7.7

Entertainment

7.1

Crew

8.5

Food

6.9

Overall

7.8

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
American Airlines
7.1
Good
11,969 reviews
Hawaiian Airlines
7.8
Good
2,817 reviews
Check prices

Boarding

8.0

Comfort

7.7

Entertainment

7.1

Crew

8.5

Food

6.9

Overall

7.8

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.
Air Canada
7.1
Good
11,506 reviews
Hawaiian Airlines
7.8
Good
2,817 reviews
Check prices

Boarding

8.0

Comfort

7.7

Entertainment

7.1

Crew

8.5

Food

6.9

Overall

7.8

Reviews

1 / 20
6.0
Good

Patrick,Feb 2026

SEA - PHX

Was not able to check in online, had to go to multiple lines at airport to get boarding pass and was not able to get a seat without going to the gate, wound up in middle in the back.

Related info for your journey

  • How long is the flight from Sydney to Seattle?

    Airlines like Delta and United Airlines fly from Sydney to Seattle in about 18h 55m. The time it takes to get you to your destination can typically vary by up to 7h 50m. Airlines will cover a distance of 12463 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Sydney to Seattle round-trip?

    Currently priced at $1,035, Hawaiian Airlines will fly you from Sydney to Seattle and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from $1,127 and $1,175, respectively. Users have found that Hawaiian Airlines is 32% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $648. Users have also found prices from $694 and $702 on United Airlines and Hawaiian Airlines, respectively.

  • Where are the most common stopover locations when flying from Sydney to Seattle?

    Of the flights from Sydney to Seattle that have stopovers, most of them stop in Vancouver.

  • Where are the least popular stopover locations for Sydney to Seattle flights?

    The least popular stopover on flights from Sydney to Seattle is San Francisco.

  • Can I find deals for flights from Sydney to Seattle that include hotel bookings?

    Yes. In addition to deals on Sydney to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Seattle.

  • Can I find deals for business class flights from Sydney to Seattle?

    Yes. Cheapflights offers flight deals from Sydney to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Seattle?

    Currently, August is the cheapest month in which you can book a flight from Sydney to Seattle (average of $1,393). Flying from Sydney to Seattle in January is currently the most expensive (average of $1,722). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Ocean Shores

Browse thousands of different options on Cheapflights for your next trip

Fly from Sydney to Seattle on these airlines

Air Canada flights from Sydney Kingsford Smith to Seattle/Tacoma Intl
Hawaiian Airlines flights from Sydney Kingsford Smith to Seattle/Tacoma Intl

Top 7 airlines flying from Sydney to Seattle

AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$1,035Average$1,827FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Air CanadaCheapest$1,127Average$1,562FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,175Average$1,508FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$1,181Average$1,405FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Qantas AirwaysCheapest$1,195Average$1,447FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,242Average$1,354FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
ANACheapest$1,291Average$1,555FlexibilityNo cancel feeOn-time80%
Search ANA flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Seattle?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Sydney.

Can Cheapflights find flights from Sydney to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sydney to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Sydney to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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