Which stopover airport has the shortest connection time from Sydney to Seattle?

Honolulu (HNL) has the shortest average stopover time for this route: 1h 45m.

Which stopover airport offers the lowest fares from Sydney to Seattle?

Flights via Nadi (NAN) offer the lowest average return price of $1,011.

Which airlines fly to Seattle?

Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to Seattle from Sydney according to our data. Air Canada is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Sydney Kingsford Smith to Seattle/Tacoma Intl?

United Airlines is the most popular carrier operating from Sydney Kingsford Smith to Seattle/Tacoma Intl

Which airport is the most popular for stopovers for flights between Sydney and Seattle?

Vancouver (YVR) was the most common stop: 54% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest travel time from Sydney to Seattle?

Flights connecting via Nadi (NAN) have the shortest average one-way travel time: 16h 50m.

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?

The number of operators available for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport is 7 as of June 2026.

How old do you have to be to fly from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$894 Cheap Flights from Sydney to Seattle in 2026

Q: What is the typical price of a round-trip flight between Sydney and Seattle?

Prices are currently low for flights on this route. Typical prices usually range from $1,416 to $1,896. The lowest price recently found on this route was $1,319.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Seattle

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:45 - 23:59

SYD

SEA

20h 14m

1 stop

07:20 - 18:50

SEA

SYD

18h 30m

1 stop

$1,319Multiple Airlines

Thu, 23 Jul - Mon, 31 Aug

09:10 - 17:51

SYD

SEA

25h 41m

1 stop

10:34 - 07:05

SEA

SYD

27h 31m

1 stop

$1,337Multiple Airlines

Wed, 12 Aug - Wed, 19 Aug

09:10 - 18:26

SYD

SEA

26h 16m

1 stop

14:15 - 07:05

SEA

SYD

23h 50m

1 stop

$1,342Multiple Airlines

Mon, 14 Sep - Tue, 29 Sep

12:00 - 19:48

SYD

SEA

24h 48m

1 stop

06:50 - 07:05

SEA

SYD

31h 15m

1 stop

$1,351American Airlines

Mon, 14 Sep - Sun, 27 Sep

12:00 - 16:41

SYD

SEA

21h 41m

1 stop

07:11 - 07:05

SEA

SYD

30h 54m

1 stop

$1,353American Airlines

Mon, 10 Aug - Mon, 17 Aug

20:45 - 23:59

SYD

SEA

20h 14m

1 stop

21:09 - 18:50

SEA

SYD

28h 41m

1 stop

$1,361Multiple Airlines

Sat, 25 Jul - Sun, 9 Aug

10:20 - 14:30

SYD

SEA

21h 10m

1 stop

15:33 - 06:55

SEA

SYD

22h 22m

1 stop

$1,367United Airlines

Mon, 20 Jul - Wed, 5 Aug

09:30 - 14:36

SYD

SEA

22h 06m

1 stop

23:11 - 07:00

SEA

SYD

38h 49m

2 stops

$1,368United Airlines

Mon, 13 Jul - Tue, 4 Aug

20:45 - 23:59

SYD

SEA

20h 14m

1 stop

07:20 - 18:50

SEA

SYD

18h 30m

1 stop

$1,370Multiple Airlines

Tue, 11 Aug - Fri, 21 Aug

20:45 - 23:59

SYD

SEA

20h 14m

1 stop

08:00 - 18:50

SEA

SYD

17h 50m

1 stop

$1,374Multiple Airlines

Thu, 23 Jul - Fri, 7 Aug

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Qantas Airways flights from Sydney to Seattle

Our best Qantas Airways deals on Sydney to Seattle flight tickets

Qantas Airways

24 Aug

SYD17:50Sydney Kingsford Smith

22h 09m

1 stop

SEA22:59Seattle/Tacoma Intl

22 Sept

SEA16:59Seattle/Tacoma Intl

21h 06m

1 stop

SYD07:05Sydney Kingsford Smith

$1,389

Qantas Airways

23 July

SYD09:10Sydney Kingsford Smith

29h 35m

1 stop

SEA21:45Seattle/Tacoma Intl

30 July

SEA18:10Seattle/Tacoma Intl

20h 20m

1 stop

SYD07:30Sydney Kingsford Smith

$1,408

Qantas Airways

1 Sept

SYD17:50Sydney Kingsford Smith

22h 31m

1 stop

SEA23:21Seattle/Tacoma Intl

22 Sept

SEA17:02Seattle/Tacoma Intl

21h 03m

1 stop

SYD07:05Sydney Kingsford Smith

$1,411

Delta flights from Sydney to Seattle

Our best Delta deals on Sydney to Seattle flight tickets

Delta

10 Aug

SYD09:15Sydney Kingsford Smith

26h 29m

2 stops

SEA18:44Seattle/Tacoma Intl

17 Aug

SEA09:40Seattle/Tacoma Intl

28h 10m

2 stops

SYD06:50Sydney Kingsford Smith

$1,377

Delta

13 July

SYD09:15Sydney Kingsford Smith

31h 44m

2 stops

SEA23:59Seattle/Tacoma Intl

28 July

SEA05:30Seattle/Tacoma Intl

32h 20m

2 stops

SYD06:50Sydney Kingsford Smith

$1,379

Delta

5 Aug

SYD09:15Sydney Kingsford Smith

28h 15m

1 stop

SEA20:30Seattle/Tacoma Intl

12 Aug

SEA07:16Seattle/Tacoma Intl

30h 34m

1 stop

SYD06:50Sydney Kingsford Smith

$1,384

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 23/7

20:45-23:59

1 stop20h 14m

Seattle/Tacoma Intl

Mon 31/8

07:20-18:50

1 stop18h 30m

$1,319

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 12/8

09:10-17:51

1 stop25h 41m

Seattle/Tacoma Intl

Wed 19/8

10:34-07:05

1 stop27h 31m

$1,337

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 14/9

09:10-18:26

1 stop26h 16m

Seattle/Tacoma Intl

Tue 29/9

14:15-07:05

1 stop23h 50m

$1,342

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 14/9

12:00-19:48

1 stop24h 48m

Seattle/Tacoma Intl

Sun 27/9

06:50-07:05

1 stop31h 15m

$1,351

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 10/8

12:00-16:41

1 stop21h 41m

Seattle/Tacoma Intl

Mon 17/8

07:11-07:05

1 stop30h 54m

$1,353

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 25/7

20:45-23:59

1 stop20h 14m

Seattle/Tacoma Intl

Sun 9/8

21:09-18:50

1 stop28h 41m

$1,361

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 20/7

10:20-14:30

1 stop21h 10m

Seattle/Tacoma Intl

Wed 5/8

15:33-06:55

1 stop22h 22m

$1,367

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 13/7

09:30-14:36

1 stop22h 06m

Seattle/Tacoma Intl

Tue 4/8

23:11-07:00

2 stops38h 49m

$1,368

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 11/8

20:45-23:59

1 stop20h 14m

Seattle/Tacoma Intl

Fri 21/8

07:20-18:50

1 stop18h 30m

$1,370

Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 23/7

20:45-23:59

1 stop20h 14m

Seattle/Tacoma Intl

Fri 7/8

08:00-18:50

1 stop17h 50m

$1,374

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sydney to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Stopovers

What is the typical price of a round-trip flight between Sydney and Seattle?

What is the cheapest month to fly to Seattle?

The month of August is, on average, the cheapest month to fly to Seattle from Sydney, with most prices found around $1,253. If you are unable to visit Seattle during the month of August, then departing from Sydney during the month September is also very affordable. Most momondo users find prices during this month for around $1,341.

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

You are more likely to see cheaper flights to Seattle from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,522 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Sydney for as low as $1,003 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 1% on your flight if you consider stops on a Sydney to Seattle flight.

How have Sydney to Seattle flight prices changed over time?

As of June 2026, prices for Sydney to Seattle flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Sydney to Seattle (SYD to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Seattle

Fastest flight time	17h 31m
Direct flights	None

The fastest flight from Sydney to Seattle takes 17h 31m

There are no direct flights from Sydney to Seattle. There are no popular flight routes from Sydney to Seattle.

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Frequently asked questions about flying from Sydney to Seattle

How far is Sydney Kingsford Smith to Seattle/Tacoma Intl by plane?
There are 12462.2 km between Sydney Kingsford Smith and Seattle/Tacoma Intl. A reasonable flight in good conditions will take 17h 31m.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport is 7 as of June 2026.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sydney to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sydney to Seattle is Air Canada (41% of total bookings). The next most popular airlines are United Airlines (28%), Qantas Airways (13%), and Hawaiian Airlines (8%).

Best airlines flying from Sydney to Seattle

Compare and see reviews for airlines that fly from Sydney to Seattle with momondo

Airline	Rating	Free cancellation	Price
Hawaiian Airlines	PriceFrom $1,090	Free cancellation	Rating 7.8 2,826 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $1,100	Free cancellation	Rating 7.8 8,449 reviews	Search Delta flights
Air Canada	PriceFrom $1,119	Free cancellation	Rating 7.1 11,270 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,198	Free cancellation	Rating 7.4 9,894 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,234	Free cancellation	Rating 7.5 1,054 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,278	Free cancellation	Rating 7.1 11,770 reviews	Search American Airlines flights
ANA	PriceFrom $1,329	Free cancellation	Rating 8.3 1,258 reviews	Search ANA flights

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Why should I use momondo to find a flight deal from Sydney to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Sydney to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Sydney which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sydney to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to Seattle.

I’m not ready to book a flight from Sydney to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Sydney and alert you when they change.

An easier way to manage your Seattle trip

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Cheap flights from Sydney to Seattle from $894

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Seattle departing on 8/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qantas Airways flights from Sydney to Seattle

Our best Qantas Airways deals on Sydney to Seattle flight tickets

Delta flights from Sydney to Seattle

Our best Delta deals on Sydney to Seattle flight tickets

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See travel insights to Seattle from

How to get the cheapest flight ticket from Sydney to Seattle

What is the typical price of a round-trip flight between Sydney and Seattle?

What is the cheapest month to fly to Seattle?

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

Can stopping save me money on Sydney to Seattle flights?

How have Sydney to Seattle flight prices changed over time?

What is the cheapest airline that flies from Sydney Kingsford Smith to Seattle/Tacoma Intl?

Which airlines fly to Seattle?

Which airport is the most popular for stopovers for flights between Sydney and Seattle?

Which stopover airport offers the lowest fares from Sydney to Seattle?

Which stopover airport has the shortest travel time from Sydney to Seattle?

Which stopover airport has the shortest connection time from Sydney to Seattle?

When to book flights from Sydney to Seattle

Cheap Sydney to Seattle (SYD to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Seattle

Fastest flight time

Direct flights

Frequently asked questions about flying from Sydney to Seattle

Best airlines flying from Sydney to Seattle

Compare and see reviews for airlines that fly from Sydney to Seattle with momondo

Travelling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favourite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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