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Cheap flights from Sydney to Washington from $474

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 10/15. 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

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Multiple Airlines Logo
2:15 pm - 6:59 pmSYD-SEA
22h 44m2 stops
Multiple Airlines Logo
4:30 pm - 1:00 pmSEA-SYD
26h 30m2 stops
$913Multiple Airlines
Find Deal
Wed, Oct 29 - Thu, Oct 30
Multiple Airlines Logo
2:15 pm - 7:58 pmSYD-SEA
23h 43m2 stops
Multiple Airlines Logo
4:30 pm - 12:30 pmSEA-SYD
26h 00m2 stops
$918Multiple Airlines
Find Deal
Thu, Oct 30 - Fri, Oct 31
Asiana Airlines Logo
10:20 am - 1:55 pmSYD-SEA
22h 35m1 stop
Asiana Airlines Logo
12:10 am - 8:20 amSEA-SYD
37h 10m1 stop
$925Asiana Airlines
Find Deal
Mon, Nov 10 - Sun, Nov 23
Hawaiian Airlines Logo
9:40 pm - 6:34 amSYD-SEA
26h 54m1 stop
Hawaiian Airlines Logo
7:00 am - 7:45 pmSEA-SYD
17h 45m1 stop
$1,039Hawaiian Airlines
Find Deal
Tue, Oct 28 - Wed, Nov 12
Hawaiian Airlines Logo
9:40 pm - 11:32 pmSYD-SEA
19h 52m1 stop
Hawaiian Airlines Logo
7:00 am - 7:45 pmSEA-SYD
17h 45m1 stop
$1,068Hawaiian Airlines
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Thu, Oct 30 - Fri, Nov 14
Air Canada Logo
11:20 am - 6:30 pmSYD-PDX
26h 10m1 stop
Air Canada Logo
9:50 am - 9:35 amPDX-SYD
28h 45m1 stop
$1,233Air Canada
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Wed, Nov 5 - Wed, Nov 12
Air Canada Logo
11:20 am - 2:40 pmSYD-PDX
22h 20m1 stop
Air Canada Logo
3:15 pm - 9:35 amPDX-SYD
23h 20m1 stop
$1,241Air Canada
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Wed, Nov 5 - Wed, Nov 12
United Airlines Logo
2:00 pm - 6:48 pmSYD-PDX
23h 48m1 stop
United Airlines Logo
1:35 pm - 6:20 amPDX-SYD
21h 45m1 stop
$1,370United Airlines
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Sun, Dec 28 - Thu, Jan 15
United Airlines Logo
12:10 pm - 2:46 pmSYD-PDX
21h 36m1 stop
United Airlines Logo
3:50 pm - 9:15 amPDX-SYD
22h 25m1 stop
$1,460United Airlines
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Sun, Dec 28 - Thu, Jan 15
Delta Logo
10:40 am - 4:22 pmSYD-PDX
24h 42m1 stop
Delta Logo
6:30 am - 8:30 amPDX-SYD
31h 00m1 stop
$1,567Delta
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Wed, Nov 19 - Wed, Jan 14

Asiana Airlines flights from Sydney to State of Washington

Our best Asiana Airlines deals on Sydney to State of Washington flight tickets
Asiana Airlines
Nov 10
SYD10:20 amSydney Kingsford Smith
22h 35m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Nov 23
SEA12:10 amSeattle/Tacoma Intl
37h 10m
1 stop
SYD8:20 amSydney Kingsford Smith
$925
Find similar
Asiana Airlines
Mar 8
SYD10:20 amSydney Kingsford Smith
22h 35m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Mar 27
SEA12:10 amSeattle/Tacoma Intl
38h 20m
1 stop
SYD8:30 amSydney Kingsford Smith
$938
Find similar
Asiana Airlines
Mar 11
SYD10:20 amSydney Kingsford Smith
22h 35m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
Mar 14
SEA12:10 amSeattle/Tacoma Intl
38h 10m
1 stop
SYD8:20 amSydney Kingsford Smith
$972
Find similar

Air New Zealand flights from Sydney to State of Washington

Our best Air New Zealand deals on Sydney to State of Washington flight tickets
Air New Zealand
Oct 29
SYD1:55 pmSydney Kingsford Smith
20h 20m
2 stops
SEA4:15 pmSeattle/Tacoma Intl
Nov 13
SEA3:37 pmSeattle/Tacoma Intl
23h 53m
2 stops
SYD10:30 amSydney Kingsford Smith
$946
Find similar
Air New Zealand
Oct 15
SYD9:55 amSydney Kingsford Smith
24h 29m
2 stops
SEA4:24 pmSeattle/Tacoma Intl
Oct 27
SEA12:41 pmSeattle/Tacoma Intl
27h 49m
2 stops
SYD10:30 amSydney Kingsford Smith
$991
Find similar
Air New Zealand
Nov 15
SYD1:55 pmSydney Kingsford Smith
21h 20m
2 stops
SEA4:15 pmSeattle/Tacoma Intl
Nov 22
SEA12:41 pmSeattle/Tacoma Intl
25h 04m
2 stops
SYD8:45 amSydney Kingsford Smith
$1,019
Find similar

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 October 2, 2025.
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

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 10/29

2:15 pm-6:59 pm

2 stops22h 44m

Seattle/Tacoma Intl

Thu 10/30

4:30 pm-1:00 pm

2 stops26h 30m

$913

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 10/30

2:15 pm-7:58 pm

2 stops23h 43m

Seattle/Tacoma Intl

Fri 10/31

4:30 pm-12:30 pm

2 stops26h 00m

$918

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 11/10

10:20 am-1:55 pm

1 stop22h 35m

Seattle/Tacoma Intl

Sun 11/23

12:10 am-8:20 am

1 stop37h 10m

$925

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 10/28

9:40 pm-6:34 am

1 stop26h 54m

Seattle/Tacoma Intl

Wed 11/12

7:00 am-7:45 pm

1 stop17h 45m

$1,039

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 10/30

9:40 pm-11:32 pm

1 stop19h 52m

Seattle/Tacoma Intl

Fri 11/14

7:00 am-7:45 pm

1 stop17h 45m

$1,068

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 11/5

11:20 am-6:30 pm

1 stop26h 10m

Portland

Wed 11/12

9:50 am-9:35 am

1 stop28h 45m

$1,233

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 11/5

11:20 am-2:40 pm

1 stop22h 20m

Portland

Wed 11/12

3:15 pm-9:35 am

1 stop23h 20m

$1,241

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 12/28

2:00 pm-6:48 pm

1 stop23h 48m

Portland

Thu 1/15

1:35 pm-6:20 am

1 stop21h 45m

$1,370

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 12/28

12:10 pm-2:46 pm

1 stop21h 36m

Portland

Thu 1/15

3:50 pm-9:15 am

1 stop22h 25m

$1,460

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 11/19

10:40 am-4:22 pm

1 stop24h 42m

Portland

Wed 1/14

6:30 am-8:30 am

1 stop31h 00m

$1,567

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 $942. If you aren’t able to travel to State of Washington during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $987.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Sydney to State of Washington is on a Saturday. Travelers who choose to depart for State of Washington on a Saturday will often find tickets for as low as $1,069. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to State of Washington for around $1,337.

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

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $1,213. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,679 on average. Flights to State of Washington from Sydney in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,104 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 $894 on momondo.

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

You could potentially save up to 25% 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

Direct flights

None
There are no direct flights from Sydney to State of Washington. There are no popular flight routes from Sydney to State of Washington.
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  • 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
Air CanadaPriceFrom $598Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $794Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
DeltaPriceFrom $802Free CancellationRating
7.9
7,962 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $917Free CancellationRating
7.8
2,762 reviews
Search Hawaiian 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.

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