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Cheap flights from Sydney to Washington, D.C. from $638

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 5/6. 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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American Airlines Logo
9:10 am - 6:31 pm
SYD
-
IAD
23h 21m
2 stops
American Airlines Logo
6:10 am - 7:05 am
IAD
-
SYD
34h 55m
1 stop
$1,159American Airlines
Tue, Jul 7 - Mon, Jul 27
American Airlines Logo
12:00 pm - 6:31 pm
SYD
-
IAD
20h 31m
1 stop
American Airlines Logo
6:10 am - 7:05 am
IAD
-
SYD
34h 55m
1 stop
$1,167American Airlines
Tue, Jul 7 - Mon, Jul 27
Multiple Airlines Logo
9:10 am - 12:36 am
SYD
-
IAD
29h 26m
2 stops
Multiple Airlines Logo
7:15 am - 7:30 am
IAD
-
SYD
34h 15m
2 stops
$1,219Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
5:50 pm - 5:40 am
SYD
-
IAD
25h 50m
1 stop
Multiple Airlines Logo
5:59 pm - 6:55 am
IAD
-
SYD
22h 56m
1 stop
$1,226Multiple Airlines
Mon, Apr 20 - Mon, May 4
Qantas Airways Logo
12:00 pm - 11:26 pm
SYD
-
IAD
25h 26m
1 stop
Qantas Airways Logo
7:24 pm - 6:55 am
IAD
-
SYD
21h 31m
1 stop
$1,227Qantas Airways
Mon, May 4 - Thu, Jun 4
American Airlines Logo
9:10 am - 4:48 am
SYD
-
IAD
33h 38m
1 stop
American Airlines Logo
1:06 pm - 7:05 am
IAD
-
SYD
27h 59m
2 stops
$1,243American Airlines
Mon, Jun 8 - Wed, Jul 1
American Airlines Logo
9:10 am - 7:25 pm
SYD
-
IAD
24h 15m
2 stops
American Airlines Logo
9:19 am - 7:05 am
IAD
-
SYD
31h 46m
2 stops
$1,250American Airlines
Mon, Apr 20 - Mon, May 4
United Airlines Logo
10:20 am - 7:11 pm
SYD
-
IAD
22h 51m
1 stop
United Airlines Logo
3:15 pm - 7:00 am
IAD
-
SYD
25h 45m
1 stop
$1,256United Airlines
Thu, Jun 18 - Sun, Jul 5
Qantas Airways Logo
1:05 pm - 10:53 pm
SYD
-
IAD
24h 48m
1 stop
Qantas Airways Logo
6:04 pm - 6:55 am
IAD
-
SYD
22h 51m
1 stop
$1,258Qantas Airways
Tue, Mar 17 - Mon, Aug 17
United Airlines Logo
9:30 am - 6:50 pm
SYD
-
IAD
23h 20m
2 stops
United Airlines Logo
12:50 pm - 7:00 am
IAD
-
SYD
28h 10m
2 stops
$1,261United Airlines
Thu, Jun 18 - Sun, Jul 5

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
Mar 6
SYD11:20 amSydney Kingsford Smith
40h 24m
2 stops
IAD11:44 amWashington, D.C. Dulles Intl
Apr 19
IAD10:07 pmWashington, D.C. Dulles Intl
43h 13m
2 stops
SYD7:20 amSydney Kingsford Smith
$1,133
Air Canada
Mar 7
SYD11:20 amSydney Kingsford Smith
49h 01m
2 stops
IAD8:21 pmWashington, D.C. Dulles Intl
Apr 19
IAD10:07 pmWashington, D.C. Dulles Intl
43h 13m
2 stops
SYD7:20 amSydney Kingsford Smith
$1,260
Air Canada
Mar 6
SYD11:20 amSydney Kingsford Smith
25h 34m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
Apr 11
IAD9:55 amWashington, D.C. Dulles Intl
31h 25m
2 stops
SYD7:20 amSydney Kingsford Smith
$1,261

Qantas Airways flights from Sydney to Washington, D.C. Dulles Intl Airport

Our best Qantas Airways deals on Sydney to Washington, D.C. Dulles Intl Airport flight tickets
Qantas Airways
May 4
SYD12:00 pmSydney Kingsford Smith
25h 26m
1 stop
IAD11:26 pmWashington, D.C. Dulles Intl
Jun 4
IAD7:24 pmWashington, D.C. Dulles Intl
21h 31m
1 stop
SYD6:55 amSydney Kingsford Smith
$1,227
Qantas Airways
Mar 17
SYD1:05 pmSydney Kingsford Smith
24h 48m
1 stop
IAD10:53 pmWashington, D.C. Dulles Intl
Aug 17
IAD6:04 pmWashington, D.C. Dulles Intl
22h 51m
1 stop
SYD6:55 amSydney Kingsford Smith
$1,258
Qantas Airways
Mar 9
SYD9:30 amSydney Kingsford Smith
28h 23m
2 stops
IAD10:53 pmWashington, D.C. Dulles Intl
Mar 16
IAD5:52 pmWashington, D.C. Dulles Intl
26h 03m
2 stops
SYD10:55 amSydney Kingsford Smith
$1,392

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 March 6, 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

Tue 7/7

9:10 am-6:31 pm

2 stops23h 21m

Washington, D.C. Dulles Intl

Mon 7/27

6:10 am-7:05 am

1 stop34h 55m

$1,159

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 7/7

12:00 pm-6:31 pm

1 stop20h 31m

Washington, D.C. Dulles Intl

Mon 7/27

6:10 am-7:05 am

1 stop34h 55m

$1,167

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 4/15

9:10 am-12:36 am

2 stops29h 26m

Washington, D.C. Dulles Intl

Wed 4/22

7:15 am-7:30 am

2 stops34h 15m

$1,219

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 4/20

5:50 pm-5:40 am

1 stop25h 50m

Washington, D.C. Dulles Intl

Mon 5/4

5:59 pm-6:55 am

1 stop22h 56m

$1,226
Quickest round-trip

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 5/4

12:00 pm-11:26 pm

1 stop25h 26m

Washington, D.C. Dulles Intl

Thu 6/4

7:24 pm-6:55 am

1 stop21h 31m

$1,227

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 6/8

9:10 am-4:48 am

1 stop33h 38m

Washington, D.C. Dulles Intl

Wed 7/1

1:06 pm-7:05 am

2 stops27h 59m

$1,243

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 4/20

9:10 am-7:25 pm

2 stops24h 15m

Washington, D.C. Dulles Intl

Mon 5/4

9:19 am-7:05 am

2 stops31h 46m

$1,250

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 6/18

10:20 am-7:11 pm

1 stop22h 51m

Washington, D.C. Dulles Intl

Sun 7/5

3:15 pm-7:00 am

1 stop25h 45m

$1,256

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 3/17

1:05 pm-10:53 pm

1 stop24h 48m

Washington, D.C. Dulles Intl

Mon 8/17

6:04 pm-6:55 am

1 stop22h 51m

$1,258

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 6/18

9:30 am-6:50 pm

2 stops23h 20m

Washington, D.C. Dulles Intl

Sun 7/5

12:50 pm-7:00 am

2 stops28h 10m

$1,261

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 $1,029. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,123.

How far in advance should I book a flight 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 $1,222 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 $1,083 on momondo.

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

You could potentially save up to 37% on your flight if you consider stops on a Sydney to Washington, D.C. Dulles Intl Airport flight.

How have Sydney to Washington, D.C. Dulles Intl Airport flight prices changed over time?

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 17m

Direct flights

None
The fastest flight from Sydney to Washington, D.C. Dulles Intl Airport takes 22h 17m
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

  • 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 17m.

  • 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 many operators does momondo search for flights from Sydney Kingsford Smith Airport to Washington, D.C. Dulles Intl Airport?

  • 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.

  • What is the most popular airline from Sydney to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Sydney to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Sydney to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $885Free CancellationRating
7.4
9,403 reviews
Search United Airlines flights

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
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Sterling

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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