What is the cheapest airline that flies from Sydney Kingsford Smith to Washington?

American Airlines, United Airlines, and Qantas Airways are the most popular carriers operating from Sydney Kingsford Smith 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?

As of July 2026, there are 2 operators available to choose from 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.

$598 Cheap Flights from Sydney to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:15 pm - 10:59 pm

SYD

SEA

26h 44m

2 stops

5:59 pm - 11:50 am

SEA

SYD

24h 51m

2 stops

$880Multiple Airlines

Wed, Aug 26 - Mon, Sep 14

12:00 pm - 9:25 am

SYD

SEA

38h 25m

1 stop

7:10 am - 7:05 am

SEA

SYD

30h 55m

1 stop

$945American Airlines

Mon, Sep 7 - Wed, Sep 23

9:30 am - 9:10 pm

SYD

SEA

28h 40m

2 stops

7:00 am - 6:55 am

SEA

SYD

30h 55m

2 stops

$947United Airlines

Thu, Aug 6 - Tue, Aug 18

9:10 am - 11:21 pm

SYD

SEA

31h 11m

1 stop

3:42 pm - 6:55 am

SEA

SYD

22h 13m

1 stop

$952American Airlines

Wed, Aug 26 - Mon, Sep 14

10:20 am - 11:25 am

SYD

SEA

18h 05m

1 stop

4:30 pm - 7:00 am

SEA

SYD

21h 30m

1 stop

$953United Airlines

Wed, Sep 2 - Sun, Sep 13

9:15 am - 11:44 pm

SYD

SEA

31h 29m

1 stop

9:35 pm - 6:50 am

SEA

SYD

40h 15m

1 stop

$954Delta

Thu, Sep 3 - Sat, Sep 12

9:30 am - 7:03 pm

SYD

SEA

26h 33m

1 stop

12:15 pm - 7:00 am

SEA

SYD

25h 45m

1 stop

$955United Airlines

Tue, Aug 4 - Tue, Aug 11

10:20 am - 12:20 pm

SYD

SEA

19h 00m

1 stop

11:03 am - 7:00 am

SEA

SYD

26h 57m

2 stops

$956United Airlines

Thu, Aug 20 - Mon, Aug 31

9:15 am - 12:27 pm

SYD

SEA

20h 12m

1 stop

2:50 pm - 6:50 am

SEA

SYD

23h 00m

1 stop

$957Delta

Thu, Aug 6 - Tue, Aug 18

9:10 am - 11:59 pm

SYD

PDX

31h 49m

1 stop

5:55 pm - 7:05 am

PDX

SYD

20h 10m

1 stop

$977Qantas Airways

Tue, Aug 25 - Mon, Aug 31

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British Airways flights from Sydney to State of Washington

Our best British Airways deals on Sydney to State of Washington flight tickets

British Airways

Jul 27

SYD12:00 pmSydney Kingsford Smith

28h 39m

1 stop

SEA11:39 pmSeattle/Tacoma Intl

Aug 9

SEA7:00 amSeattle/Tacoma Intl

31h 05m

1 stop

SYD7:05 amSydney Kingsford Smith

$942

British Airways

Oct 24

SYD1:00 pmSydney Kingsford Smith

26h 57m

1 stop

SEA9:57 pmSeattle/Tacoma Intl

Oct 29

SEA7:10 amSeattle/Tacoma Intl

31h 50m

1 stop

SYD9:00 amSydney Kingsford Smith

$996

United Airlines flights from Sydney to State of Washington

Our best United Airlines deals on Sydney to State of Washington flight tickets

United Airlines

Aug 12

SYD9:30 amSydney Kingsford Smith

26h 44m

1 stop

SEA7:14 pmSeattle/Tacoma Intl

Aug 19

SEA6:52 pmSeattle/Tacoma Intl

19h 08m

1 stop

SYD7:00 amSydney Kingsford Smith

$947

United Airlines

Jul 27

SYD9:30 amSydney Kingsford Smith

28h 40m

2 stops

SEA9:10 pmSeattle/Tacoma Intl

Aug 12

SEA3:30 pmSeattle/Tacoma Intl

22h 25m

1 stop

SYD6:55 amSydney Kingsford Smith

$949

United Airlines

Aug 3

SYD9:30 amSydney Kingsford Smith

30h 12m

2 stops

SEA10:42 pmSeattle/Tacoma Intl

Aug 10

SEA6:57 pmSeattle/Tacoma Intl

18h 58m

1 stop

SYD6:55 amSydney Kingsford Smith

$953

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 8/26

1:15 pm-10:59 pm

2 stops26h 44m

Seattle/Tacoma Intl

Mon 9/14

5:59 pm-11:50 am

2 stops24h 51m

$880

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 9/7

12:00 pm-9:25 am

1 stop38h 25m

Seattle/Tacoma Intl

Wed 9/23

7:10 am-7:05 am

1 stop30h 55m

$945

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 8/6

9:30 am-9:10 pm

2 stops28h 40m

Seattle/Tacoma Intl

Tue 8/18

7:00 am-6:55 am

2 stops30h 55m

$947

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 8/26

9:10 am-11:21 pm

1 stop31h 11m

Seattle/Tacoma Intl

Mon 9/14

3:42 pm-6:55 am

1 stop22h 13m

$952

Quickest round-trip

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 9/2

10:20 am-11:25 am

1 stop18h 05m

Seattle/Tacoma Intl

Sun 9/13

4:30 pm-7:00 am

1 stop21h 30m

$953

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 9/3

9:15 am-11:44 pm

1 stop31h 29m

Seattle/Tacoma Intl

Sat 9/12

9:35 pm-6:50 am

1 stop40h 15m

$954

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/4

9:30 am-7:03 pm

1 stop26h 33m

Seattle/Tacoma Intl

Tue 8/11

12:15 pm-7:00 am

1 stop25h 45m

$955

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 8/20

10:20 am-12:20 pm

1 stop19h 00m

Seattle/Tacoma Intl

Mon 8/31

11:03 am-7:00 am

2 stops26h 57m

$956

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 8/6

9:15 am-12:27 pm

1 stop20h 12m

Seattle/Tacoma Intl

Tue 8/18

2:50 pm-6:50 am

1 stop23h 00m

$957

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 8/25

9:10 am-11:59 pm

1 stop31h 49m

Portland

Mon 8/31

5:55 pm-7:05 am

1 stop20h 10m

$977

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $864. 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 $955.

How far in advance should I book a flight from Sydney to 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 $1,066 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 $660 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	19h 05m
Direct flights	None

The fastest flight from Sydney to State of Washington takes 19h 05m

There are no direct flights from Sydney to State of Washington. There are no popular flight routes from Sydney to State of Washington.

Search flight deals

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?
As of July 2026, there are 2 operators available to choose from 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
Air Canada	PriceFrom $828	Free Cancellation	Rating 7.1 11,359 reviews		Search Air Canada flights
United Airlines	PriceFrom $989	Free Cancellation	Rating 7.4 10,010 reviews		Search United Airlines 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.