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Cheap flights from Washington to Sydney from $846

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Sydney departing on 9/17. 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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Find the cheapest flights from Washington to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:00 am - 12:45 am
SEA
-
YQY
12h 45m
1 stop
Air Canada Logo
5:05 am - 9:04 pm
YQY
-
SEA
19h 59m
1 stop
$846Air Canada
Thu, Sep 17 - Wed, Sep 30
Air Canada Logo
5:40 am - 12:45 am
SEA
-
YQY
15h 05m
2 stops
Air Canada Logo
5:05 am - 10:42 pm
YQY
-
SEA
21h 37m
2 stops
$929Air Canada
Thu, Sep 17 - Wed, Sep 30
Air Canada Logo
8:00 am - 12:45 am
SEA
-
YQY
12h 45m
1 stop
Air Canada Logo
5:05 am - 10:42 pm
YQY
-
SEA
21h 37m
2 stops
$954Air Canada
Thu, Sep 17 - Wed, Sep 30
Air Canada Logo
8:00 am - 12:12 am
SEA
-
YQY
12h 12m
1 stop
Air Canada Logo
5:00 am - 6:32 pm
YQY
-
SEA
17h 32m
2 stops
$983Air Canada
Sat, Aug 15 - Wed, Aug 19
Air Canada Logo
8:00 am - 12:07 am
SEA
-
YQY
12h 07m
1 stop
Air Canada Logo
5:00 am - 9:07 pm
YQY
-
SEA
20h 07m
1 stop
$989Air Canada
Thu, Jul 16 - Wed, Jul 22
Air Canada Logo
7:20 pm - 12:12 am
SEA
-
YQY
24h 52m
2 stops
Air Canada Logo
5:00 am - 6:32 pm
YQY
-
SEA
17h 32m
2 stops
$1,002Air Canada
Sat, Aug 15 - Wed, Aug 19
Air Canada Logo
8:00 am - 12:07 am
SEA
-
YQY
12h 07m
1 stop
Air Canada Logo
5:20 pm - 10:07 am
YQY
-
SEA
20h 47m
2 stops
$1,057Air Canada
Thu, Jul 16 - Wed, Jul 22
Air Canada Logo
8:00 am - 4:14 pm
SEA
-
YQY
28h 14m
2 stops
Air Canada Logo
5:00 am - 9:08 pm
YQY
-
SEA
20h 08m
1 stop
$1,076Air Canada
Fri, May 29 - Tue, Jun 2
Air Canada Logo
8:00 am - 4:14 pm
SEA
-
YQY
28h 14m
2 stops
Air Canada Logo
5:20 pm - 9:08 pm
YQY
-
SEA
31h 48m
2 stops
$1,110Air Canada
Fri, May 29 - Tue, Jun 2
Air Canada Logo
8:00 am - 4:14 pm
SEA
-
YQY
28h 14m
2 stops
Air Canada Logo
5:00 am - 9:08 pm
YQY
-
SEA
20h 08m
1 stop
$1,116Air Canada
Fri, May 29 - Tue, Jun 2

Air Canada flights from State of Washington to Sydney, Nova Scotia

Our best Air Canada deals on State of Washington to Sydney, Nova Scotia flight tickets
Air Canada
Sep 17
SEA8:00 amSeattle/Tacoma Intl
12h 45m
1 stop
YQY12:45 amSydney
Sep 30
YQY5:05 amSydney
21h 37m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$846
Air Canada
Sep 17
SEA5:40 amSeattle/Tacoma Intl
15h 05m
2 stops
YQY12:45 amSydney
Sep 30
YQY5:05 amSydney
21h 37m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$929
Air Canada
Sep 17
SEA8:00 amSeattle/Tacoma Intl
12h 45m
1 stop
YQY12:45 amSydney
Sep 30
YQY5:05 amSydney
21h 37m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$954

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Sydney, Nova Scotia 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 May 12, 2026.
Use the filters below to find and compare flights from Washington to Sydney, Nova Scotia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Thu 9/17

8:00 am-12:45 am

1 stop12h 45m

Sydney

Wed 9/30

5:05 am-9:04 pm

1 stop19h 59m

$846

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Thu 9/17

5:40 am-12:45 am

2 stops15h 05m

Sydney

Wed 9/30

5:05 am-10:42 pm

2 stops21h 37m

$929

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Thu 9/17

8:00 am-12:45 am

1 stop12h 45m

Sydney

Wed 9/30

5:05 am-10:42 pm

2 stops21h 37m

$954
Quickest round-trip

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Sat 8/15

8:00 am-12:12 am

1 stop12h 12m

Sydney

Wed 8/19

5:00 am-6:32 pm

2 stops17h 32m

$983

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Thu 7/16

8:00 am-12:07 am

1 stop12h 07m

Sydney

Wed 7/22

5:00 am-9:07 pm

1 stop20h 07m

$989

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Sat 8/15

7:20 pm-12:12 am

2 stops24h 52m

Sydney

Wed 8/19

5:00 am-6:32 pm

2 stops17h 32m

$1,002

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Thu 7/16

8:00 am-12:07 am

1 stop12h 07m

Sydney

Wed 7/22

5:20 pm-10:07 am

2 stops20h 47m

$1,057

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Fri 5/29

8:00 am-4:14 pm

2 stops28h 14m

Sydney

Tue 6/2

5:00 am-9:08 pm

1 stop20h 08m

$1,076

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Fri 5/29

8:00 am-4:14 pm

2 stops28h 14m

Sydney

Tue 6/2

5:20 pm-9:08 pm

2 stops31h 48m

$1,110

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Fri 5/29

8:00 am-4:14 pm

2 stops28h 14m

Sydney

Tue 6/2

5:00 am-9:08 pm

1 stop20h 08m

$1,116

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap State of Washington to Sydney, Nova Scotia flight deals and tips

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

Fastest flight time

12h 07m

Direct flights

None
The fastest flight from State of Washington to Sydney, Nova Scotia takes 12h 07m
There are no direct flights from State of Washington to Sydney, Nova Scotia. There are no popular flight routes from State of Washington to Sydney, Nova Scotia.
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Frequently asked questions about flying from Washington to Sydney, Nova Scotia

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

    Prices for flights from Washington to Sydney Airport refresh daily.

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

    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 Washington to Sydney Airport.

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

    The travel and health documents you'll need for your trip to Sydney Airport 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 Sydney Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Washington to Sydney, Nova Scotia

  • How do I get Price Alerts for flights from State of Washington to Sydney, Nova Scotia?

    Confirm your travel details to search for the latest offers for flights from State of Washington to Sydney, Nova Scotia. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from State of Washington to Sydney, Nova Scotia with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Cheticamp
Inverness

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Washington.

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

Yes. momondo enables you to select and highlight flights to Sydney from Washington with this policy.

How can momondo help me find flights from Washington 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 Washington.

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

Of course. momondo tracks the price of Washington to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Sydney, Nova Scotia trip

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Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport