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

Delta, United Airlines, and American Airlines 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 June 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.

$587 Cheap Flights from Sydney to Washington in 2026

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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.

9:20 am - 6:32 pm

SYD

SEA

26h 12m

1 stop

10:45 am - 7:20 am

SEA

SYD

27h 35m

1 stop

$814Air Canada

Mon, Jul 27 - Tue, Aug 11

9:20 am - 6:32 pm

SYD

SEA

26h 12m

1 stop

7:20 pm - 11:40 am

SEA

SYD

23h 20m

2 stops

$829Multiple Airlines

Mon, Jul 27 - Tue, Aug 11

9:20 am - 6:32 pm

SYD

SEA

26h 12m

1 stop

10:45 am - 7:20 am

SEA

SYD

27h 35m

1 stop

$850Air Canada

Mon, Jul 27 - Tue, Aug 11

9:20 am - 2:22 pm

SYD

SEA

22h 02m

1 stop

7:20 pm - 8:20 am

SEA

SYD

19h 00m

1 stop

$856Air Canada

Tue, Sep 8 - Tue, Oct 6

10:20 am - 2:37 pm

SYD

SEA

22h 17m

1 stop

3:15 pm - 9:35 am

SEA

SYD

23h 20m

1 stop

$862Air Canada

Tue, Oct 27 - Wed, Nov 11

6:00 am - 9:52 am

SYD

SEA

20h 52m

2 stops

3:00 pm - 8:20 am

SEA

SYD

23h 20m

1 stop

$865Multiple Airlines

Tue, Sep 8 - Tue, Oct 6

9:20 am - 10:07 am

SYD

SEA

17h 47m

1 stop

7:20 pm - 10:40 am

SEA

SYD

22h 20m

2 stops

$870Multiple Airlines

Wed, Jul 29 - Tue, Sep 1

6:20 am - 9:17 am

SYD

SEA

20h 57m

2 stops

7:05 pm - 9:35 am

SEA

SYD

19h 30m

1 stop

$872Multiple Airlines

Tue, Oct 27 - Wed, Nov 11

6:00 am - 10:07 am

SYD

SEA

21h 07m

2 stops

7:20 pm - 12:40 pm

SEA

SYD

24h 20m

2 stops

$876Multiple Airlines

Wed, Jul 29 - Tue, Sep 1

9:20 am - 6:32 pm

SYD

SEA

26h 12m

1 stop

3:00 pm - 10:40 am

SEA

SYD

26h 40m

2 stops

$881Air Canada

Mon, Jul 27 - Tue, Aug 11

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

SYD10:20 amSydney Kingsford Smith

21h 04m

1 stop

SEA2:24 pmSeattle/Tacoma Intl

Sep 8

SEA4:45 pmSeattle/Tacoma Intl

21h 15m

1 stop

SYD7:00 amSydney Kingsford Smith

$973

United Airlines

Jun 18

SYD10:20 amSydney Kingsford Smith

38h 40m

2 stops

SEA8:00 amSeattle/Tacoma Intl

Jul 3

SEA5:15 pmSeattle/Tacoma Intl

68h 40m

2 stops

SYD6:55 amSydney Kingsford Smith

$975

United Airlines

Jul 28

SYD9:30 amSydney Kingsford Smith

28h 40m

2 stops

SEA9:10 pmSeattle/Tacoma Intl

Aug 31

SEA5:20 pmSeattle/Tacoma Intl

20h 35m

1 stop

SYD6:55 amSydney Kingsford Smith

$977

Delta flights from Sydney to State of Washington

Our best Delta deals on Sydney to State of Washington flight tickets

Delta

Jul 20

SYD9:15 amSydney Kingsford Smith

24h 25m

1 stop

SEA4:40 pmSeattle/Tacoma Intl

Jul 27

SEA7:15 amSeattle/Tacoma Intl

30h 35m

2 stops

SYD6:50 amSydney Kingsford Smith

$968

Delta

Jul 13

SYD9:15 amSydney Kingsford Smith

28h 12m

1 stop

SEA8:27 pmSeattle/Tacoma Intl

Jul 28

SEA7:15 amSeattle/Tacoma Intl

30h 35m

1 stop

SYD6:50 amSydney Kingsford Smith

$975

Delta

Jun 9

SYD9:15 amSydney Kingsford Smith

29h 50m

2 stops

SEA10:05 pmSeattle/Tacoma Intl

Jun 30

SEA10:05 amSeattle/Tacoma Intl

27h 45m

1 stop

SYD6:50 amSydney Kingsford Smith

$977

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/27

9:20 am-6:32 pm

1 stop26h 12m

Seattle/Tacoma Intl

Tue 8/11

10:45 am-7:20 am

1 stop27h 35m

$814

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/27

9:20 am-6:32 pm

1 stop26h 12m

Seattle/Tacoma Intl

Tue 8/11

7:20 pm-11:40 am

2 stops23h 20m

$829

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/27

9:20 am-6:32 pm

1 stop26h 12m

Seattle/Tacoma Intl

Tue 8/11

10:45 am-7:20 am

1 stop27h 35m

$850

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 9/8

9:20 am-2:22 pm

1 stop22h 02m

Seattle/Tacoma Intl

Tue 10/6

7:20 pm-8:20 am

1 stop19h 00m

$856

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 10/27

10:20 am-2:37 pm

1 stop22h 17m

Seattle/Tacoma Intl

Wed 11/11

3:15 pm-9:35 am

1 stop23h 20m

$862

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 9/8

6:00 am-9:52 am

2 stops20h 52m

Seattle/Tacoma Intl

Tue 10/6

3:00 pm-8:20 am

1 stop23h 20m

$865

Quickest round-trip

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 7/29

9:20 am-10:07 am

1 stop17h 47m

Seattle/Tacoma Intl

Tue 9/1

7:20 pm-10:40 am

2 stops22h 20m

$870

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 10/27

6:20 am-9:17 am

2 stops20h 57m

Seattle/Tacoma Intl

Wed 11/11

7:05 pm-9:35 am

1 stop19h 30m

$872

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 7/29

6:00 am-10:07 am

2 stops21h 07m

Seattle/Tacoma Intl

Tue 9/1

7:20 pm-12:40 pm

2 stops24h 20m

$876

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/27

9:20 am-6:32 pm

1 stop26h 12m

Seattle/Tacoma Intl

Tue 8/11

3:00 pm-10:40 am

2 stops26h 40m

$881

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 June is, on average, the cheapest month to fly to State of Washington from Sydney, with most prices found around $485. If you aren’t able to travel to State of Washington during the month of June, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $543.

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 $1,030 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 $692 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 45m
Direct flights	None

The fastest flight from Sydney to State of Washington takes 17h 45m

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 June 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 11,129 reviews		Search Air Canada flights
United Airlines	PriceFrom $871	Free Cancellation	Rating 7.4 9,775 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.