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

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 17h 08m.

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

Honolulu (HNL) has the shortest average stopover time for this route: 1h 40m.

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

Qantas Airways, Philippine Airlines, and Air Canada are the most popular carriers operating from Sydney Kingsford Smith to Seattle/Tacoma Intl

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

Flights via Vancouver (YVR) offer the lowest average return price of $1,376.

Which airlines fly to Seattle?

Air Canada, United Airlines and Hawaiian Airlines 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 36% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 13 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

Vancouver (YVR) was the most common stop: 42% of momondo users choosing one-stop flights on this route connected there.

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 13 as of December 2025.

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.

$774 Cheap Flights from Sydney to Seattle in 2025/26

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 $1,541 to $2,329. The lowest price recently found on this route was $1,252.

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14:00 - 17:52

SYD

SEA

22h 52m2 stops

15:57 - 22:05

SEA

SYD

35h 08m2 stops

$1,252Multiple Airlines

Sat, 24 Jan - Thu, 29 Jan

11:20 - 14:31

SYD

SEA

22h 11m1 stop

20:00 - 16:40

SEA

SYD

25h 40m2 stops

$1,285Air Canada

Sat, 24 Jan - Thu, 29 Jan

06:20 - 09:31

SYD

SEA

22h 11m2 stops

20:00 - 16:15

SEA

SYD

25h 15m2 stops

$1,373Multiple Airlines

Mon, 26 Jan - Mon, 2 Feb

06:20 - 22:06

SYD

SEA

34h 46m2 stops

15:40 - 17:40

SEA

SYD

31h 00m2 stops

$1,385Multiple Airlines

Sat, 24 Jan - Sun, 15 Feb

21:30 - 09:31

SYD

SEA

31h 01m2 stops

20:00 - 20:40

SEA

SYD

30h 40m2 stops

$1,391Multiple Airlines

Fri, 20 Feb - Mon, 23 Mar

18:25 - 09:31

SYD

SEA

34h 06m2 stops

20:00 - 17:40

SEA

SYD

26h 40m2 stops

$1,393Multiple Airlines

Fri, 6 Feb - Tue, 17 Feb

14:00 - 17:00

SYD

SEA

22h 00m2 stops

15:50 - 12:35

SEA

SYD

25h 45m2 stops

$1,405Multiple Airlines

Fri, 13 Feb - Wed, 25 Feb

21:40 - 15:43

SYD

SEA

37h 03m1 stop

07:00 - 19:45

SEA

SYD

17h 45m1 stop

$1,408Alaska Airlines

Sat, 24 Jan - Thu, 29 Jan

06:20 - 14:31

SYD

SEA

27h 11m2 stops

20:00 - 22:15

SEA

SYD

32h 15m2 stops

$1,420Multiple Airlines

Fri, 27 Feb - Mon, 23 Mar

06:20 - 20:52

SYD

SEA

33h 32m2 stops

15:50 - 20:45

SEA

SYD

33h 55m2 stops

$1,432Multiple Airlines

Wed, 28 Jan - Fri, 13 Feb

Air Canada flights from Sydney to Seattle

Our best Air Canada deals on Sydney to Seattle flight tickets

Air Canada

24 Jan

SYD11:20Sydney Kingsford Smith

22h 11m

1 stop

SEA14:31Seattle/Tacoma Intl

29 Jan

SEA20:00Seattle/Tacoma Intl

25h 40m

2 stops

SYD16:40Sydney Kingsford Smith

$1,285

Find similar

Air Canada

6 Feb

SYD11:20Sydney Kingsford Smith

17h 11m

1 stop

SEA09:31Seattle/Tacoma Intl

17 Feb

SEA05:50Seattle/Tacoma Intl

32h 45m

1 stop

SYD09:35Sydney Kingsford Smith

$1,555

Find similar

Air Canada

10 Apr

SYD06:30Sydney Kingsford Smith

20h 03m

2 stops

SEA09:33Seattle/Tacoma Intl

13 May

SEA19:45Seattle/Tacoma Intl

18h 35m

1 stop

SYD07:20Sydney Kingsford Smith

$1,562

Find similar

Delta flights from Sydney to Seattle

Our best Delta deals on Sydney to Seattle flight tickets

Delta

31 May

SYD09:25Sydney Kingsford Smith

31h 36m

2 stops

SEA00:01Seattle/Tacoma Intl

27 June

SEA05:45Seattle/Tacoma Intl

31h 50m

2 stops

SYD06:35Sydney Kingsford Smith

$1,766

Find similar

Delta

11 Dec

SYD10:40Sydney Kingsford Smith

32h 40m

2 stops

SEA00:20Seattle/Tacoma Intl

29 Dec

SEA05:25Seattle/Tacoma Intl

32h 05m

2 stops

SYD08:30Sydney Kingsford Smith

$2,353

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 24/1

14:00-17:52

2 stops22h 52m

Seattle/Tacoma Intl

Thu 29/1

15:57-22:05

2 stops35h 08m

$1,252

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 24/1

11:20-14:31

1 stop22h 11m

Seattle/Tacoma Intl

Thu 29/1

20:00-16:40

2 stops25h 40m

$1,285

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 26/1

06:20-09:31

2 stops22h 11m

Seattle/Tacoma Intl

Mon 2/2

20:00-16:15

2 stops25h 15m

$1,373

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 24/1

06:20-22:06

2 stops34h 46m

Seattle/Tacoma Intl

Sun 15/2

15:40-17:40

2 stops31h 00m

$1,385

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 20/2

21:30-09:31

2 stops31h 01m

Seattle/Tacoma Intl

Mon 23/3

20:00-20:40

2 stops30h 40m

$1,391

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 6/2

18:25-09:31

2 stops34h 06m

Seattle/Tacoma Intl

Tue 17/2

20:00-17:40

2 stops26h 40m

$1,393

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 13/2

14:00-17:00

2 stops22h 00m

Seattle/Tacoma Intl

Wed 25/2

15:50-12:35

2 stops25h 45m

$1,405

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 24/1

21:40-15:43

1 stop37h 03m

Seattle/Tacoma Intl

Thu 29/1

07:00-19:45

1 stop17h 45m

$1,408

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 27/2

06:20-14:31

2 stops27h 11m

Seattle/Tacoma Intl

Mon 23/3

20:00-22:15

2 stops32h 15m

$1,420

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 28/1

06:20-20:52

2 stops33h 32m

Seattle/Tacoma Intl

Fri 13/2

15:50-20:45

2 stops33h 55m

$1,432

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 $1,403. 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 $1,471.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from Sydney to Seattle is on a Thursday. Travellers who choose to depart for Seattle on a Thursday will often find tickets for as low as $1,556. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to Seattle for around $1,788.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from Sydney to Seattle at midday for as low as $1,482. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the afternoon when prices are around $1,809.

How far in advance should I book a flight 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 $1,648 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 $1,375 on momondo.

How have Sydney to Seattle flight prices changed over time?

As of December 2025, prices for Sydney to Seattle flights are approximately 55% 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 30m
Direct flights	None

The fastest flight from Sydney to Seattle takes 18h 30m

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

Search flight deals

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 11m.
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 13 as of December 2025.
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 (29% of total bookings). The next most popular airlines are United Airlines (27%), Hawaiian Airlines (13%), and Qantas Airways (13%).

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
Virgin Australia	PriceFrom $1,136	Free cancellation	Rating 7.6 426 reviews	Search Virgin Australia flights
Alaska Airlines	PriceFrom $1,140	Free cancellation	Rating 8.0 11,404 reviews	Search Alaska Airlines flights
Delta	PriceFrom $1,148	Free cancellation	Rating 7.9 8,011 reviews	Search Delta flights
Air Canada	PriceFrom $1,166	Free cancellation	Rating 7.1 10,502 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,201	Free cancellation	Rating 7.4 9,066 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $1,238	Free cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $1,253	Free cancellation	Rating 7.5 948 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,279	Free cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
Philippine Airlines	PriceFrom $1,292	Free cancellation	Rating 7.3 940 reviews	Search Philippine Airlines flights
Air New Zealand	PriceFrom $1,357	Free cancellation	Rating 8.0 549 reviews	Search Air New Zealand flights

Leavenworth

SeaTac

Why use momondo?

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 $774

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 18/3. 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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Big names, great deals

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Filter for what you want

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Find the cheapest flights from Sydney to Seattle

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Air Canada flights from Sydney to Seattle

Our best Air Canada 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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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

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

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

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

How have Sydney to Seattle flight prices changed over time?

As of December 2025, prices for Sydney to Seattle flights are approximately 55% cheaper when compared to flights at the same time last year.

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

Qantas Airways, Philippine Airlines, and Air Canada are the most popular carriers operating 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?

Vancouver (YVR) was the most common stop: 42% of momondo users choosing one-stop flights on this route connected there.

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

Flights via Vancouver (YVR) offer the lowest average return price of $1,376.

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

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 17h 08m.

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

Honolulu (HNL) has the shortest average stopover time for this route: 1h 40m.

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

How far is Sydney Kingsford Smith to Seattle/Tacoma Intl by plane?

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

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

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

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

What is the most popular airline 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?

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

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

How can momondo help me find flights 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?

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.

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Airports servicing Washington