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Cheap flights from Sydney to Washington, D.C. from $636

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, D.C. departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Sydney to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air China Logo
7:45 pm - 7:30 pm
SYD
-
IAD
37h 45m
1 stop
Air China Logo
11:00 pm - 2:50 pm
IAD
-
SYD
49h 50m
1 stop
$1,075Air China
Mon, Aug 3 - Tue, Aug 18
Air China Logo
7:45 pm - 7:30 pm
SYD
-
IAD
37h 45m
1 stop
Air China Logo
11:00 pm - 2:50 pm
IAD
-
SYD
49h 50m
1 stop
$1,174Air China
Mon, Jul 27 - Fri, Aug 14
Multiple Airlines Logo
7:45 pm - 7:30 pm
SYD
-
IAD
37h 45m
1 stop
Multiple Airlines Logo
8:30 am - 2:50 pm
IAD
-
SYD
40h 20m
2 stops
$1,177Multiple Airlines
Mon, Jul 27 - Wed, Aug 12
Air China Logo
7:45 pm - 7:30 pm
SYD
-
IAD
37h 45m
1 stop
Air China Logo
11:00 pm - 2:50 pm
IAD
-
SYD
49h 50m
1 stop
$1,180Air China
Mon, Aug 3 - Fri, Aug 21
Air China Logo
7:45 pm - 7:30 pm
SYD
-
IAD
37h 45m
1 stop
Air China Logo
11:00 pm - 2:50 pm
IAD
-
SYD
49h 50m
1 stop
$1,181Air China
Mon, Aug 3 - Fri, Aug 21
Air China Logo
7:40 pm - 7:30 pm
SYD
-
IAD
37h 50m
1 stop
Air China Logo
11:00 pm - 2:50 pm
IAD
-
SYD
49h 50m
1 stop
$1,245Air China
Thu, Jul 30 - Tue, Aug 18
Air China Logo
7:40 pm - 7:30 pm
SYD
-
IAD
37h 50m
1 stop
Air China Logo
11:00 pm - 2:50 pm
IAD
-
SYD
49h 50m
1 stop
$1,250Air China
Thu, Aug 6 - Tue, Aug 18
Air China Logo
7:40 pm - 7:30 pm
SYD
-
IAD
37h 50m
1 stop
Air China Logo
11:00 pm - 2:50 pm
IAD
-
SYD
49h 50m
1 stop
$1,251Air China
Thu, Aug 6 - Fri, Aug 21
Air China Logo
7:40 pm - 6:53 am
SYD
-
IAD
49h 13m
2 stops
Air China Logo
7:00 am - 2:50 pm
IAD
-
SYD
41h 50m
2 stops
$1,261Air China
Sat, Aug 29 - Sun, Sep 13
Air China Logo
7:40 pm - 6:53 am
SYD
-
IAD
49h 13m
2 stops
Air China Logo
7:00 am - 2:50 pm
IAD
-
SYD
41h 50m
2 stops
$1,266Air China
Sat, Aug 29 - Sun, Sep 13

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Air New Zealand flights from Sydney to Washington, D.C. Dulles Intl Airport

Our best Air New Zealand deals on Sydney to Washington, D.C. Dulles Intl Airport flight tickets
Air New Zealand
Sep 9
SYD11:55 amSydney Kingsford Smith
31h 45m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
Sep 20
IAD6:42 amWashington, D.C. Dulles Intl
37h 58m
2 stops
SYD10:40 amSydney Kingsford Smith
$1,316
Air New Zealand
Sep 9
SYD11:55 amSydney Kingsford Smith
24h 50m
2 stops
IAD10:45 pmWashington, D.C. Dulles Intl
Sep 22
IAD2:47 pmWashington, D.C. Dulles Intl
27h 58m
2 stops
SYD8:45 amSydney Kingsford Smith
$1,334
Air New Zealand
Sep 9
SYD11:55 amSydney Kingsford Smith
31h 45m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
Sep 20
IAD6:42 amWashington, D.C. Dulles Intl
37h 58m
2 stops
SYD10:40 amSydney Kingsford Smith
$1,362

Air China flights from Sydney to Washington, D.C. Dulles Intl Airport

Our best Air China deals on Sydney to Washington, D.C. Dulles Intl Airport flight tickets
Air China
Aug 3
SYD7:45 pmSydney Kingsford Smith
37h 45m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Aug 18
IAD11:00 pmWashington, D.C. Dulles Intl
49h 50m
1 stop
SYD2:50 pmSydney Kingsford Smith
$1,075
Air China
Jul 27
SYD7:45 pmSydney Kingsford Smith
37h 45m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Aug 14
IAD11:00 pmWashington, D.C. Dulles Intl
49h 50m
1 stop
SYD2:50 pmSydney Kingsford Smith
$1,174
Air China
Aug 3
SYD7:45 pmSydney Kingsford Smith
37h 45m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Aug 21
IAD11:00 pmWashington, D.C. Dulles Intl
49h 50m
1 stop
SYD2:50 pmSydney Kingsford Smith
$1,180

momondo Fare Finder

 
Customize your flight search to find flights from Sydney to Washington, D.C. Dulles Intl Airport 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 June 15, 2026.
Use the filters below to find and compare flights from Sydney to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 8/3

7:45 pm-7:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Tue 8/18

11:00 pm-2:50 pm

1 stop49h 50m

$1,075

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 7/27

7:45 pm-7:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Fri 8/14

11:00 pm-2:50 pm

1 stop49h 50m

$1,174
Quickest round-trip

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 7/27

7:45 pm-7:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Wed 8/12

8:30 am-2:50 pm

2 stops40h 20m

$1,177

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 8/3

7:45 pm-7:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Fri 8/21

11:00 pm-2:50 pm

1 stop49h 50m

$1,180

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 8/3

7:45 pm-7:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Fri 8/21

11:00 pm-2:50 pm

1 stop49h 50m

$1,181

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 7/30

7:40 pm-7:30 pm

1 stop37h 50m

Washington, D.C. Dulles Intl

Tue 8/18

11:00 pm-2:50 pm

1 stop49h 50m

$1,245

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 8/6

7:40 pm-7:30 pm

1 stop37h 50m

Washington, D.C. Dulles Intl

Tue 8/18

11:00 pm-2:50 pm

1 stop49h 50m

$1,250

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 8/6

7:40 pm-7:30 pm

1 stop37h 50m

Washington, D.C. Dulles Intl

Fri 8/21

11:00 pm-2:50 pm

1 stop49h 50m

$1,251

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 8/29

7:40 pm-6:53 am

2 stops49h 13m

Washington, D.C. Dulles Intl

Sun 9/13

7:00 am-2:50 pm

2 stops41h 50m

$1,261

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 8/29

7:40 pm-6:53 am

2 stops49h 13m

Washington, D.C. Dulles Intl

Sun 9/13

7:00 am-2:50 pm

2 stops41h 50m

$1,266

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, D.C. from

How to get the cheapest flight ticket from Sydney to Washington, D.C. Dulles Intl Airport

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 typical price of a round-trip flight between Sydney and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, November is the cheapest month to fly from Sydney to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,040. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $1,095.

How far in advance should I book a flight from Sydney to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $1,264 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Sydney for as low as $1,068 on momondo.

Can stopping save me money on Sydney to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 30% on your flight if you consider stops on a Sydney to Washington, D.C. Dulles Intl Airport flight.

When to book flights from Sydney to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sydney to Washington, D.C. Dulles Intl Airport (SYD to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Washington, D.C. Dulles Intl Airport

Fastest flight time

20h 53m

Direct flights

None
The fastest flight from Sydney to Washington, D.C. Dulles Intl Airport takes 20h 53m
There are no direct flights from Sydney to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Sydney to Washington, D.C. Dulles Intl Airport.
Search flight deals

Frequently asked questions about flying from Sydney to Washington, D.C. Dulles Intl Airport

  • How far is Sydney Kingsford Smith to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Sydney Kingsford Smith to Washington, D.C. Dulles Intl is 9734.0 mi. In terms of flight time, this usually takes a little over 20h 53m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Gaithersburg
Fredericksburg
Colonial Beach
Rockville
Silver Spring
Linthicum Heights
Towson
Manassas
Sterling
Tysons
Springfield
Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sydney to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Sydney to Washington, D.C. with flexible booking policies on momondo?

Flights from Sydney to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sydney to Washington, D.C.?

momondo helps you find the best flight between Sydney and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

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