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Cheap flights from Sydney to Washington, D.C. from $438

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 9/9. 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.
Multiple Airlines Logo
1:15 pm - 10:27 am
SYD
-
IAD
35h 12m
3 stops
Multiple Airlines Logo
11:12 am - 11:50 am
IAD
-
SYD
34h 38m
3 stops
$804Multiple Airlines
Wed, Sep 9 - Fri, Sep 25
Multiple Airlines Logo
1:15 pm - 10:27 am
SYD
-
IAD
35h 12m
3 stops
Multiple Airlines Logo
11:12 am - 11:50 am
IAD
-
SYD
34h 38m
3 stops
$814Multiple Airlines
Wed, Sep 9 - Fri, Sep 25
Air Canada Logo
9:20 am - 9:18 pm
SYD
-
IAD
25h 58m
2 stops
Air Canada Logo
10:10 pm - 7:20 am
IAD
-
SYD
43h 10m
2 stops
$946Air Canada
Wed, Sep 9 - Sun, Sep 20
Air Canada Logo
9:20 am - 7:43 am
SYD
-
IAD
36h 23m
2 stops
Air Canada Logo
12:43 pm - 7:20 am
IAD
-
SYD
28h 37m
2 stops
$950Air Canada
Wed, Sep 9 - Tue, Sep 22
Air Canada Logo
9:20 am - 6:30 am
SYD
-
IAD
35h 10m
1 stop
Air Canada Logo
10:10 pm - 7:20 am
IAD
-
SYD
43h 10m
2 stops
$952Air Canada
Wed, Sep 9 - Sun, Sep 20
Air Canada Logo
9:20 am - 7:43 am
SYD
-
IAD
36h 23m
2 stops
Air Canada Logo
12:43 pm - 7:20 am
IAD
-
SYD
28h 37m
2 stops
$953Air Canada
Wed, Sep 9 - Tue, Sep 22
Air Canada Logo
9:20 am - 7:43 am
SYD
-
IAD
36h 23m
2 stops
Air Canada Logo
12:43 pm - 7:20 am
IAD
-
SYD
28h 37m
2 stops
$956Air Canada
Wed, Sep 9 - Tue, Sep 22
Air Canada Logo
9:20 am - 7:43 am
SYD
-
IAD
36h 23m
2 stops
Air Canada Logo
8:29 am - 9:40 pm
IAD
-
SYD
47h 11m
2 stops
$974Air Canada
Wed, Sep 9 - Tue, Sep 22
Air Canada Logo
9:20 am - 11:44 am
SYD
-
IAD
40h 24m
2 stops
Air Canada Logo
8:15 am - 7:20 am
IAD
-
SYD
33h 05m
2 stops
$979Air Canada
Thu, Sep 3 - Tue, Sep 8
Air Canada Logo
11:20 am - 8:23 pm
SYD
-
IAD
25h 03m
2 stops
Air Canada Logo
9:55 am - 9:35 am
IAD
-
SYD
31h 40m
2 stops
$984Air Canada
Thu, Nov 5 - Wed, Nov 11

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

Our best Air Canada deals on Sydney to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Sep 9
SYD9:20 amSydney Kingsford Smith
36h 23m
2 stops
IAD7:43 amWashington, D.C. Dulles Intl
Sep 22
IAD8:29 amWashington, D.C. Dulles Intl
32h 51m
1 stop
SYD7:20 amSydney Kingsford Smith
$946
Air Canada
Sep 9
SYD9:20 amSydney Kingsford Smith
36h 23m
2 stops
IAD7:43 amWashington, D.C. Dulles Intl
Sep 22
IAD12:43 pmWashington, D.C. Dulles Intl
28h 37m
2 stops
SYD7:20 amSydney Kingsford Smith
$950
Air Canada
Sep 9
SYD9:20 amSydney Kingsford Smith
36h 23m
2 stops
IAD7:43 amWashington, D.C. Dulles Intl
Sep 20
IAD10:10 pmWashington, D.C. Dulles Intl
43h 10m
2 stops
SYD7:20 amSydney Kingsford Smith
$952

United Airlines flights from Sydney to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Sydney to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Aug 14
SYD10:20 amSydney Kingsford Smith
19h 58m
1 stop
IAD4:18 pmWashington, D.C. Dulles Intl
Aug 18
IAD10:10 pmWashington, D.C. Dulles Intl
42h 45m
1 stop
SYD6:55 amSydney Kingsford Smith
$1,661
United Airlines
Aug 6
SYD9:30 amSydney Kingsford Smith
25h 18m
1 stop
IAD8:48 pmWashington, D.C. Dulles Intl
Aug 10
IAD8:15 amWashington, D.C. Dulles Intl
32h 45m
1 stop
SYD7:00 amSydney Kingsford Smith
$2,125
United Airlines
Aug 6
SYD9:30 amSydney Kingsford Smith
20h 56m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Aug 10
IAD5:48 pmWashington, D.C. Dulles Intl
23h 12m
1 stop
SYD7:00 amSydney Kingsford Smith
$2,129

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 July 31, 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

Wed 9/9

1:15 pm-10:27 am

3 stops35h 12m

Washington, D.C. Dulles Intl

Fri 9/25

11:12 am-11:50 am

3 stops34h 38m

$804

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

1:15 pm-10:27 am

3 stops35h 12m

Washington, D.C. Dulles Intl

Fri 9/25

11:12 am-11:50 am

3 stops34h 38m

$814

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

9:20 am-9:18 pm

2 stops25h 58m

Washington, D.C. Dulles Intl

Sun 9/20

10:10 pm-7:20 am

2 stops43h 10m

$946

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

9:20 am-7:43 am

2 stops36h 23m

Washington, D.C. Dulles Intl

Tue 9/22

12:43 pm-7:20 am

2 stops28h 37m

$950

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

9:20 am-6:30 am

1 stop35h 10m

Washington, D.C. Dulles Intl

Sun 9/20

10:10 pm-7:20 am

2 stops43h 10m

$952

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

9:20 am-7:43 am

2 stops36h 23m

Washington, D.C. Dulles Intl

Tue 9/22

12:43 pm-7:20 am

2 stops28h 37m

$953

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

9:20 am-7:43 am

2 stops36h 23m

Washington, D.C. Dulles Intl

Tue 9/22

12:43 pm-7:20 am

2 stops28h 37m

$956

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/9

9:20 am-7:43 am

2 stops36h 23m

Washington, D.C. Dulles Intl

Tue 9/22

8:29 am-9:40 pm

2 stops47h 11m

$974

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 9/3

9:20 am-11:44 am

2 stops40h 24m

Washington, D.C. Dulles Intl

Tue 9/8

8:15 am-7:20 am

2 stops33h 05m

$979
Quickest round-trip

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 11/5

11:20 am-8:23 pm

2 stops25h 03m

Washington, D.C. Dulles Intl

Wed 11/11

9:55 am-9:35 am

2 stops31h 40m

$984

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,117 to $1,451.
The lowest price recently found on this route was $804.

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 $1,018. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,102.

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

You could potentially save up to 2% 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

22h 46m

Direct flights

None
The fastest flight from Sydney to Washington, D.C. Dulles Intl Airport takes 22h 46m
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 22h 46m.

  • 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Sterling
Springfield
Fairfax
Tysons
Bethesda

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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