Cheap flights from Seattle to Sydney from $716

1 adult
Economy
0 bags
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Tue 10/3
Tue 10/10

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Flight information for Seattle to Sydney
(SEA to SYD)

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

Best Price Found

$716

Fastest flight time

17h 50m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Seattle in the past 72 hours is $716. The best round-trip flight deal from Seattle to Sydney found on momondo in the last 72 hours is $1,008.
The fastest flight from Seattle to Sydney takes 17h 50m
There are no direct flights from Seattle to Sydney. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

How to get the cheapest flight ticket from Seattle to Sydney

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 cheapest month to fly from Seattle to Sydney?

August. The cheapest time of year to fly to Sydney from Seattle is August. Most expensive is December

What is the cheapest day to depart Seattle for Sydney?

Sunday. The cheapest day of the week is typically Sunday. The most expensive is typically Saturday

When is the cheapest time to fly from Seattle to Sydney?

In the evening. Seattle to Sydney flights are approximately 28% more expensive in the morning than in the evening

What is the cheapest airline that flies to Sydney from Seattle?

ANA. ANA, Air Canada, and American Airlines are the most popular carriers operating from Seattle to Sydney

What is the cheapest Seattle to Sydney flight route?

Seattle/Tacoma Intl - Sydney Kingsford Smith. Fly from Seattle/Tacoma Intl to Sydney Kingsford Smith for the best Seattle - Sydney flight prices

How far in advance should you book Seattle to Sydney flights?

43 days before. The cheapest time to buy a flight from Seattle to Sydney is approximately 43 days to departure

Can stopping save me money on Seattle to Sydney flights?

You could potentially save up to 2% on your flight if you consider stops on a Seattle to Sydney flight.

If you are looking to fly from Seattle to Sydney, you are most likely going to fly from Seattle/Tacoma Intl Airport to Sydney Kingsford Smith Airport, the most popular airports on that route. If you are looking for an alternate airport to fly into near Sydney Kingsford Smith Airport, Newcastle Williamtown Airport is a great option and is located in Newcastle. The least expensive flight option from Seattle to Sydney will typically be SEA ā€” SYD during the month of September with an average price of $1,009 RT.

Seattle/Tacoma Intl Airport (SEA) to Sydney Kingsford Smith Airport (SYD)$1,009
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Seattle/Tacoma Intl Airport (SEA) to Newcastle Williamtown Airport (NTL)$1,324
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Easily compare round-trip flights from Seattle to Sydney

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Sydney by changing tabs
Hawaiian Airlines
Oct 27
SEA3:55 amSeattle/Tacoma Intl
17h 50m
1 stop
SYD12:45 pmSydney Kingsford Smith
Nov 3
SYD5:40 pmSydney Kingsford Smith
18h 40m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Multiple Airlines
Nov 7
SEA11:15 amSeattle/Tacoma Intl
25h 15m
2 stops
SYD4:30 amSydney Kingsford Smith
Nov 21
SYD9:00 amSydney Kingsford Smith
27h 54m
2 stops
SEA12:54 pmSeattle/Tacoma Intl
United Airlines
Nov 8
SEA11:00 amSeattle/Tacoma Intl
22h 05m
2 stops
SYD1:05 amSydney Kingsford Smith
Nov 21
SYD6:50 amSydney Kingsford Smith
25h 04m
2 stops
SEA7:54 amSeattle/Tacoma Intl
Alaska Airlines
Oct 25
SEA10:00 amSeattle/Tacoma Intl
24h 05m
1 stop
SYD1:05 amSydney Kingsford Smith
Nov 8
SYD6:15 amSydney Kingsford Smith
22h 14m
2 stops
SEA4:29 amSeattle/Tacoma Intl
Delta
Oct 24
SEA9:30 amSeattle/Tacoma Intl
24h 05m
1 stop
SYD12:35 amSydney Kingsford Smith
Nov 7
SYD6:05 amSydney Kingsford Smith
28h 34m
1 stop
SEA10:39 amSeattle/Tacoma Intl
Fiji Airways
Nov 1
SEA1:27 pmSeattle/Tacoma Intl
25h 03m
2 stops
SYD5:30 amSydney Kingsford Smith
Nov 16
SYD9:00 amSydney Kingsford Smith
21h 54m
2 stops
SEA6:54 amSeattle/Tacoma Intl

Find the cheapest one-way flights from Seattle to Sydney

If you're looking for one-way flights from Seattle to Sydney, view some of our deals below provided by Air Canada and Hawaiian Airlines
Hawaiian Airlines
Nov 10
SEA2:45 amSeattle/Tacoma Intl
41h 00m
1 stop
SYD11:45 amSydney Kingsford Smith
Multiple Airlines
Mar 3
SEA4:45 amSeattle/Tacoma Intl
34h 50m
2 stops
SYD7:35 amSydney Kingsford Smith
Air Canada
Mar 3
SEA10:20 amSeattle/Tacoma Intl
23h 15m
1 stop
SYD1:35 amSydney Kingsford Smith

Search last-minute flights to Sydney from Seattle

Find and compare round-trip flight prices for your last-minute flight from Seattle to Sydney
Hawaiian Airlines
Oct 7
SEA3:55 amSeattle/Tacoma Intl
17h 50m
1 stop
SYD12:45 pmSydney Kingsford Smith
Oct 21
SYD5:40 pmSydney Kingsford Smith
18h 40m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Air New Zealand
Oct 8
SEA8:55 amSeattle/Tacoma Intl
25h 05m
1 stop
SYD1:00 amSydney Kingsford Smith
Oct 24
SYD5:55 amSydney Kingsford Smith
30h 30m
2 stops
SEA12:25 pmSeattle/Tacoma Intl
Fiji Airways
Oct 7
SEA4:20 amSeattle/Tacoma Intl
43h 50m
2 stops
SYD3:10 pmSydney Kingsford Smith
Oct 21
SYD10:45 amSydney Kingsford Smith
23h 00m
2 stops
SEA9:45 amSeattle/Tacoma Intl
Multiple Airlines
Oct 8
SEA4:00 amSeattle/Tacoma Intl
30h 00m
2 stops
SYD1:00 amSydney Kingsford Smith
Oct 24
SYD7:55 amSydney Kingsford Smith
22h 18m
2 stops
SEA6:13 amSeattle/Tacoma Intl
Air Tahiti Nui
Oct 8
SEA2:10 pmSeattle/Tacoma Intl
29h 40m
3 stops
SYD10:50 amSydney Kingsford Smith
Oct 24
SYD4:50 amSydney Kingsford Smith
25h 20m
3 stops
SEA6:10 amSeattle/Tacoma Intl
Air New Zealand
Oct 7
SEA3:30 pmSeattle/Tacoma Intl
56h 10m
2 stops
SYD2:40 pmSydney Kingsford Smith
Oct 21
SYD7:25 amSydney Kingsford Smith
25h 03m
1 stop
SEA8:28 amSeattle/Tacoma Intl

Best airlines flying from Seattle to Sydney

Compare and see reviews for airlines that fly from Seattle to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $802Free CancellationRating
8.2
560 reviews
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Air CanadaPriceFrom $837Free CancellationRating
7.3
570 reviews
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ANAPriceFrom $957Free CancellationRating
8.4
116 reviews
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American AirlinesPriceFrom $1,017Free CancellationRating
7.1
2,890 reviews
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DeltaPriceFrom $1,076Free CancellationRating
7.8
1,565 reviews
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Qantas AirwaysPriceFrom $1,091Free CancellationRating
7.3
132 reviews
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Fiji AirwaysPriceFrom $1,122Free CancellationRating
6.9
37 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $1,159Free CancellationRating
7.2
2,716 reviews
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Alaska AirlinesPriceFrom $1,210Free CancellationRating
7.9
3,001 reviews
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Asiana AirlinesPriceFrom $1,360Free CancellationRating
8.9
101 reviews
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United Airlines flights from Seattle to Sydney

Our best United Airlines deals on Seattle to Sydney flight tickets
United Airlines
Nov 8
SEA11:00 amSeattle/Tacoma Intl
22h 05m
2 stops
SYD1:05 amSydney Kingsford Smith
Nov 21
SYD6:50 amSydney Kingsford Smith
25h 04m
2 stops
SEA7:54 amSeattle/Tacoma Intl
United Airlines
Oct 29
SEA10:55 amSeattle/Tacoma Intl
21h 25m
1 stop
SYD11:20 pmSydney Kingsford Smith
Nov 19
SYD7:10 amSydney Kingsford Smith
18h 28m
1 stop
SEA1:38 amSeattle/Tacoma Intl
United Airlines
Nov 18
SEA6:59 pmSeattle/Tacoma Intl
38h 06m
2 stops
SYD1:05 amSydney Kingsford Smith
Dec 3
SYD9:00 amSydney Kingsford Smith
26h 35m
1 stop
SEA11:35 amSeattle/Tacoma Intl

Hawaiian Airlines flights from Seattle to Sydney

Our best Hawaiian Airlines deals on Seattle to Sydney flight tickets
Hawaiian Airlines
Oct 27
SEA3:55 amSeattle/Tacoma Intl
17h 50m
1 stop
SYD12:45 pmSydney Kingsford Smith
Nov 3
SYD5:40 pmSydney Kingsford Smith
18h 40m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Hawaiian Airlines
Oct 27
SEA3:55 amSeattle/Tacoma Intl
17h 50m
1 stop
SYD12:45 pmSydney Kingsford Smith
Nov 3
SYD5:40 pmSydney Kingsford Smith
18h 40m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Hawaiian Airlines
Nov 24
SEA2:45 amSeattle/Tacoma Intl
41h 00m
1 stop
SYD11:45 amSydney Kingsford Smith
Dec 3
SYD4:40 pmSydney Kingsford Smith
19h 50m
1 stop
SEA12:30 pmSeattle/Tacoma Intl

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

    Sydney Kingsford Smith is 7743.7 mi away from Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 17h 50m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Similar Seattle to Sydney flights

Flexible with your destination? Broaden your search and find flights similar to your Seattle to Sydney route

Why use momondo?

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

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

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

Yes. All flights to Sydney from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Seattle.

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

Yes. momondo can track prices for Seattle to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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