Cheap flights from Sydney to Washington from $539

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 Washington departing on 7/27. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:15 am - 2:38 pm
SYD
-
SEA
22h 23m
2 stops
Delta Logo
10:50 am - 6:50 am
SEA
-
SYD
27h 00m
2 stops
$978Delta
Wed, Jul 22 - Tue, Aug 4
Delta Logo
9:15 am - 3:05 pm
SYD
-
SEA
22h 50m
1 stop
Delta Logo
5:35 pm - 6:50 am
SEA
-
SYD
20h 15m
1 stop
$980Delta
Tue, May 12 - Wed, May 27
Delta Logo
9:15 am - 3:21 pm
SYD
-
SEA
23h 06m
2 stops
Delta Logo
10:05 am - 6:50 am
SEA
-
SYD
27h 45m
1 stop
$981Delta
Tue, Jun 2 - Wed, Jun 10
Qantas Airways Logo
9:10 am - 12:56 pm
SYD
-
SEA
20h 46m
1 stop
Qantas Airways Logo
2:10 pm - 6:25 am
SEA
-
SYD
21h 15m
1 stop
$990Qantas Airways
Tue, Jun 9 - Wed, Dec 9
Multiple Airlines Logo
6:00 am - 10:06 am
SYD
-
SEA
45h 06m
3 stops
Multiple Airlines Logo
11:03 am - 10:10 pm
SEA
-
SYD
42h 07m
2 stops
$997Multiple Airlines
Fri, Jun 5 - Fri, Jun 12
Qantas Airways Logo
5:50 pm - 9:58 pm
SYD
-
SEA
21h 08m
1 stop
Qantas Airways Logo
2:40 pm - 7:05 am
SEA
-
SYD
23h 25m
1 stop
$1,009Qantas Airways
Wed, Jun 10 - Wed, Jun 24
Multiple Airlines Logo
1:15 pm - 8:50 pm
SYD
-
PDX
24h 35m
2 stops
Multiple Airlines Logo
5:35 pm - 11:50 am
PDX
-
SYD
25h 15m
2 stops
$1,015Multiple Airlines
Fri, Sep 4 - Fri, Sep 18
Qantas Airways Logo
9:10 am - 9:49 pm
SYD
-
SEA
29h 39m
1 stop
Qantas Airways Logo
5:04 pm - 7:05 am
SEA
-
SYD
21h 01m
1 stop
$1,018Qantas Airways
Sun, Jun 7 - Sun, Jun 14
American Airlines Logo
9:10 am - 4:59 pm
SYD
-
PDX
24h 49m
2 stops
American Airlines Logo
7:00 am - 7:05 am
PDX
-
SYD
31h 05m
1 stop
$1,194American Airlines
Thu, May 14 - Tue, Jul 14
American Airlines Logo
9:10 am - 2:57 pm
SYD
-
PDX
22h 47m
1 stop
American Airlines Logo
3:30 pm - 7:05 am
PDX
-
SYD
22h 35m
2 stops
$1,195American Airlines
Wed, Jun 3 - Wed, Jun 10

Delta flights from Sydney to State of Washington

Our best Delta deals on Sydney to State of Washington flight tickets
Delta
May 12
SYD9:15 amSydney Kingsford Smith
22h 50m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
May 27
SEA5:35 pmSeattle/Tacoma Intl
20h 15m
1 stop
SYD6:50 amSydney Kingsford Smith
$980
Delta
Jun 2
SYD9:15 amSydney Kingsford Smith
23h 06m
2 stops
SEA3:21 pmSeattle/Tacoma Intl
Jun 10
SEA10:05 amSeattle/Tacoma Intl
27h 45m
1 stop
SYD6:50 amSydney Kingsford Smith
$981
Delta
May 15
SYD9:15 amSydney Kingsford Smith
31h 40m
1 stop
SEA11:55 pmSeattle/Tacoma Intl
May 24
SEA7:25 amSeattle/Tacoma Intl
30h 25m
1 stop
SYD6:50 amSydney Kingsford Smith
$1,030

Qantas Airways flights from Sydney to State of Washington

Our best Qantas Airways deals on Sydney to State of Washington flight tickets
Qantas Airways
Jun 9
SYD9:10 amSydney Kingsford Smith
20h 46m
1 stop
SEA12:56 pmSeattle/Tacoma Intl
Dec 9
SEA2:10 pmSeattle/Tacoma Intl
21h 15m
1 stop
SYD6:25 amSydney Kingsford Smith
$990
Qantas Airways
Jun 10
SYD5:50 pmSydney Kingsford Smith
21h 08m
1 stop
SEA9:58 pmSeattle/Tacoma Intl
Jun 24
SEA2:40 pmSeattle/Tacoma Intl
23h 25m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,009
Qantas Airways
Jun 7
SYD9:10 amSydney Kingsford Smith
29h 39m
1 stop
SEA9:49 pmSeattle/Tacoma Intl
Jun 14
SEA5:04 pmSeattle/Tacoma Intl
21h 01m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,018

momondo Fare Finder

 
Customize your flight search to find flights from Sydney to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 22, 2026.
Use the filters below to find and compare flights from Sydney to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 7/22

9:15 am-2:38 pm

2 stops22h 23m

Seattle/Tacoma Intl

Tue 8/4

10:50 am-6:50 am

2 stops27h 00m

$978

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 5/12

9:15 am-3:05 pm

1 stop22h 50m

Seattle/Tacoma Intl

Wed 5/27

5:35 pm-6:50 am

1 stop20h 15m

$980

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 6/2

9:15 am-3:21 pm

2 stops23h 06m

Seattle/Tacoma Intl

Wed 6/10

10:05 am-6:50 am

1 stop27h 45m

$981
Quickest round-trip

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 6/9

9:10 am-12:56 pm

1 stop20h 46m

Seattle/Tacoma Intl

Wed 12/9

2:10 pm-6:25 am

1 stop21h 15m

$990

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 6/5

6:00 am-10:06 am

3 stops45h 06m

Seattle/Tacoma Intl

Fri 6/12

11:03 am-10:10 pm

2 stops42h 07m

$997

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 6/10

5:50 pm-9:58 pm

1 stop21h 08m

Seattle/Tacoma Intl

Wed 6/24

2:40 pm-7:05 am

1 stop23h 25m

$1,009

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 9/4

1:15 pm-8:50 pm

2 stops24h 35m

Portland

Fri 9/18

5:35 pm-11:50 am

2 stops25h 15m

$1,015

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 6/7

9:10 am-9:49 pm

1 stop29h 39m

Seattle/Tacoma Intl

Sun 6/14

5:04 pm-7:05 am

1 stop21h 01m

$1,018

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 5/14

9:10 am-4:59 pm

2 stops24h 49m

Portland

Tue 7/14

7:00 am-7:05 am

1 stop31h 05m

$1,194

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 6/3

9:10 am-2:57 pm

1 stop22h 47m

Portland

Wed 6/10

3:30 pm-7:05 am

2 stops22h 35m

$1,195

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Sydney to State of Washington

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 to State of Washington?

The month of August is, on average, the cheapest month to fly to State of Washington from Sydney, with most prices found around $888. If you aren’t able to travel to State of Washington during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $891.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $1,049 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Sydney for as low as $890 on momondo.

Can stopping save me money on Sydney to State of Washington flights?

You could potentially save up to 12% on your flight if you consider stops on a Sydney to State of Washington flight.

Cheap Sydney to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to State of Washington

Fastest flight time

17h 10m

Direct flights

None
The fastest flight from Sydney to State of Washington takes 17h 10m
There are no direct flights from Sydney to State of Washington. There are no popular flight routes from Sydney to State of Washington.

Frequently asked questions about flying from Sydney to Washington

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Washington?

    Prices for flights from Sydney Kingsford Smith Airport to Washington are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Washington?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Washington?

    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 layovers 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 Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Sydney to State of Washington

Compare and see reviews for airlines that fly from Sydney to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $794Free CancellationRating
7.4
9,616 reviews
Search United Airlines flights
DeltaPriceFrom $802Free CancellationRating
7.9
8,433 reviews
Search Delta flights
Air CanadaPriceFrom $828Free CancellationRating
7.1
10,951 reviews
Search Air Canada flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Washington for you.

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

momondo does allow users to show only those flights to Washington 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 Washington?

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 Washington.

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

If you are not ready to book a flight from Sydney to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.

An easier way to manage your State of Washington trip

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1 adult
Fri 5/22
Fri 5/29

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