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.

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 $998.

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 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 50% 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?

Air New Zealand and United Airlines are the most popular carriers operating from Sydney Kingsford Smith to Seattle/Tacoma Intl

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 July 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.

$621 Cheap Flights from Sydney to Seattle in 2026

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.

13:15 - 18:26

SYD

SEA

22h 11m

2 stops

06:49 - 11:50

SEA

SYD

36h 01m

2 stops

$1,275Multiple Airlines

Wed, 26 Aug - Wed, 16 Sep

12:00 - 16:41

SYD

SEA

21h 41m

1 stop

07:10 - 07:05

SEA

SYD

30h 55m

1 stop

$1,366American Airlines

Wed, 26 Aug - Wed, 16 Sep

13:15 - 00:27

SYD

SEA

28h 12m

3 stops

14:15 - 22:25

SEA

SYD

39h 10m

2 stops

$1,373Multiple Airlines

Tue, 15 Sep - Tue, 29 Sep

10:20 - 16:14

SYD

SEA

22h 54m

1 stop

18:52 - 07:00

SEA

SYD

19h 08m

1 stop

$1,390United Airlines

Mon, 7 Sep - Mon, 14 Sep

13:15 - 09:19

SYD

SEA

37h 04m

3 stops

10:34 - 11:50

SEA

SYD

32h 16m

2 stops

$1,396Multiple Airlines

Fri, 21 Aug - Sat, 5 Sep

13:15 - 18:33

SYD

SEA

22h 18m

2 stops

13:13 - 11:50

SEA

SYD

29h 37m

2 stops

$1,398Multiple Airlines

Tue, 15 Sep - Tue, 29 Sep

10:20 - 14:24

SYD

SEA

21h 04m

1 stop

23:59 - 06:55

SEA

SYD

37h 56m

2 stops

$1,421United Airlines

Fri, 21 Aug - Sat, 5 Sep

17:50 - 19:39

SYD

SEA

18h 49m

1 stop

16:59 - 07:30

SEA

SYD

21h 31m

1 stop

$1,423Qantas Airways

Thu, 10 Sep - Mon, 21 Sep

10:20 - 11:21

SYD

SEA

18h 01m

1 stop

08:40 - 07:00

SEA

SYD

29h 20m

2 stops

$1,426United Airlines

Tue, 8 Sep - Sat, 12 Sep

10:20 - 20:43

SYD

SEA

27h 23m

1 stop

10:42 - 06:55

SEA

SYD

27h 13m

2 stops

$1,427United Airlines

Mon, 7 Sep - Fri, 11 Sep

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American Airlines flights from Sydney to Seattle

Our best American Airlines deals on Sydney to Seattle flight tickets

American Airlines

8 Sept

SYD09:10Sydney Kingsford Smith

31h 11m

1 stop

SEA23:21Seattle/Tacoma Intl

12 Sept

SEA18:15Seattle/Tacoma Intl

43h 50m

2 stops

SYD07:05Sydney Kingsford Smith

$1,474

American Airlines

8 Sept

SYD09:10Sydney Kingsford Smith

23h 48m

2 stops

SEA15:58Seattle/Tacoma Intl

12 Sept

SEA11:22Seattle/Tacoma Intl

26h 43m

2 stops

SYD07:05Sydney Kingsford Smith

$1,500

American Airlines

8 Sept

SYD09:10Sydney Kingsford Smith

23h 48m

2 stops

SEA15:58Seattle/Tacoma Intl

12 Sept

SEA11:22Seattle/Tacoma Intl

26h 43m

2 stops

SYD07:05Sydney Kingsford Smith

$1,504

Qantas Airways flights from Sydney to Seattle

Our best Qantas Airways deals on Sydney to Seattle flight tickets

Qantas Airways

4 Sept

SYD09:10Sydney Kingsford Smith

31h 11m

1 stop

SEA23:21Seattle/Tacoma Intl

18 Sept

SEA17:59Seattle/Tacoma Intl

20h 06m

1 stop

SYD07:05Sydney Kingsford Smith

$1,527

Qantas Airways

21 Aug

SYD09:10Sydney Kingsford Smith

31h 11m

1 stop

SEA23:21Seattle/Tacoma Intl

28 Aug

SEA17:22Seattle/Tacoma Intl

20h 43m

1 stop

SYD07:05Sydney Kingsford Smith

$1,532

Qantas Airways

7 Sept

SYD17:30Sydney Kingsford Smith

22h 51m

2 stops

SEA23:21Seattle/Tacoma Intl

14 Sept

SEA17:02Seattle/Tacoma Intl

21h 03m

1 stop

SYD07:05Sydney Kingsford Smith

$1,555

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 26/8

13:15-18:26

2 stops22h 11m

Seattle/Tacoma Intl

Wed 16/9

06:49-11:50

2 stops36h 01m

$1,275

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 26/8

12:00-16:41

1 stop21h 41m

Seattle/Tacoma Intl

Wed 16/9

07:10-07:05

1 stop30h 55m

$1,366

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 15/9

13:15-00:27

3 stops28h 12m

Seattle/Tacoma Intl

Tue 29/9

14:15-22:25

2 stops39h 10m

$1,373

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/9

10:20-16:14

1 stop22h 54m

Seattle/Tacoma Intl

Mon 14/9

18:52-07:00

1 stop19h 08m

$1,390

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 21/8

13:15-09:19

3 stops37h 04m

Seattle/Tacoma Intl

Sat 5/9

10:34-11:50

2 stops32h 16m

$1,396

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 15/9

13:15-18:33

2 stops22h 18m

Seattle/Tacoma Intl

Tue 29/9

13:13-11:50

2 stops29h 37m

$1,398

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 21/8

10:20-14:24

1 stop21h 04m

Seattle/Tacoma Intl

Sat 5/9

23:59-06:55

2 stops37h 56m

$1,421

Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 10/9

17:50-19:39

1 stop18h 49m

Seattle/Tacoma Intl

Mon 21/9

16:59-07:30

1 stop21h 31m

$1,423

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/9

10:20-11:21

1 stop18h 01m

Seattle/Tacoma Intl

Sat 12/9

08:40-07:00

2 stops29h 20m

$1,426

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/9

10:20-20:43

1 stop27h 23m

Seattle/Tacoma Intl

Fri 11/9

10:42-06:55

2 stops27h 13m

$1,427

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,305 to $1,723.
The lowest price recently found on this route was $1,275.

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 $1,218. 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 $1,393.

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 $1,526 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 $945 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 24% 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 July 2026, prices for Sydney to Seattle flights are approximately 19% 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	18h 02m
Direct flights	None

The fastest flight from Sydney to Seattle takes 18h 02m

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

Search flight deals

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 18h 02m.
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 July 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 (44% of total bookings). The next most popular airlines are United Airlines (25%), Qantas Airways (10%), 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 $1,052	Free cancellation	Rating 7.8 2,821 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $1,086	Free cancellation	Rating 7.8 8,487 reviews	Search Delta flights
Air Canada	PriceFrom $1,117	Free cancellation	Rating 7.1 11,387 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,183	Free cancellation	Rating 7.4 10,041 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,214	Free cancellation	Rating 7.5 1,067 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,261	Free cancellation	Rating 7.1 11,843 reviews	Search American Airlines flights
ANA	PriceFrom $1,312	Free cancellation	Rating 8.3 1,283 reviews	Search ANA flights

Leavenworth

SeaTac

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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

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.

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Cheap flights from Sydney to Seattle from $621

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 16/10. 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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American Airlines flights from Sydney to Seattle

Our best American Airlines deals on Sydney to Seattle flight tickets

Qantas Airways flights from Sydney to Seattle

Our best Qantas Airways 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

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.

Popular Cities in the United States

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

Fly to other destinations from Sydney

According to popular flight searches on momondo this year

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