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Dulles Intl

$490+ Cheap flights from Sydney (SYD) to Dulles Intl (IAD)

SYD — IAD
Nov 25 — Dec 21
Wed 11/25
Wed 12/2
1 adult, Economy
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Find cheap flights from Sydney to Dulles Intl with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheap flight deals from Sydney to Dulles Intl

Cheapest flights from Sydney to Dulles Intl

Mon 11/910:30 am -
1 stop48h 00m
Tue 11/1710:00 pm -
1 stop42h 05m
Deal found 10/21$1,120
Thu 11/1210:30 am -
1 stop48h 00m
Fri 11/2010:00 pm -
1 stop42h 05m
Deal found 10/26$1,139
Thu 11/510:30 am -
1 stop48h 00m
Tue 11/1010:00 pm -
1 stop42h 05m
Deal found 10/24$1,150
Mon 11/210:30 am -
1 stop48h 00m
Tue 11/1010:00 pm -
1 stop42h 05m
Deal found 10/24$1,178
Fri 11/132:05 pm -
1 stop20h 14m
Sun 11/226:00 am -
1 stop35h 00m
Deal found 10/21$1,184
Tue 11/2410:30 am -
2 stops50h 21m
Fri 12/410:00 pm -
1 stop42h 05m
Deal found 10/25$1,216
Mon 11/911:10 am -
2 stops23h 09m
Tue 11/1710:44 am -
2 stops30h 16m
Deal found 10/21$1,258
Thu 11/511:50 am -
1 stop20h 18m
Mon 11/98:01 pm -
1 stop45h 04m
Deal found 10/21$1,262
Wed 11/42:05 pm -
1 stop25h 25m
Wed 11/114:39 pm -
1 stop22h 16m
Deal found 10/21$1,265
Wed 11/42:05 pm -
1 stop25h 25m
Wed 11/114:39 pm -
1 stop22h 16m
Deal found 10/21$1,266

Find flight deals from Sydney to Dulles Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,120
(Aunt Betty)

One-way from

$490
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$1,378
Provider with most accurate pricing for Sydney Kingsford Smith-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Washington, D.C. Dulles Intl flights.
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From Sydney Kingsford Smith to Washington, D.C. Dulles Intl
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One-way flight from Sydney Kingsford Smith to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 19% potential increase in price ($344 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
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 Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Thu 12/3

9:40 pm-4:15 pm

2 stops34h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$812
Quickest round-trip

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Wed 11/4

4:50 pm-9:00 am

1 stop32h 10m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$829

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Tue 12/1

9:40 pm-5:39 pm

2 stops59h 59m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$852

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Wed 11/4

11:30 am-5:44 am

2 stops34h 14m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$942

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Sat 3/20

9:40 pm-11:55 pm

2 stops41h 15m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$955

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Wed 4/21

10:15 pm-11:15 am

2 stops51h 00m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,054

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Wed 12/30

10:40 am-9:48 am

2 stops39h 08m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,347

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Tue 12/29

1:35 pm-11:56 am

2 stops38h 21m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,347

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Sun 3/14

1:20 pm-11:58 pm

1 stop26h 38m

Washington, D.C. Dulles Intl

Fri 4/30

3:45 pm-7:00 am

1 stop25h 15m

$1,366

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Thu 1/7

9:40 pm-5:50 pm

3 stops36h 10m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,367

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Sydney to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Dulles Intl in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sydney to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sydney with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Sydney to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Sydney to Washington, D.C. Dulles Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $1,048). Flying from Sydney to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $1,909). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Sydney to Washington, D.C. Dulles Intl Airport?

Airfare is typical for this route at the moment.

Sydney to Washington, D.C. Dulles Intl Airport flights typically cost between $1,076 and $1,350 in November.
The cheapest round-trip price found within the last 5 days was $1,139 on Air China (Nov 12-Nov 20).

Related info for your journey

  • What airport do you fly from for flights from Sydney to Washington, D.C. Dulles Intl?

    Located just 4.6 mi from the city center, Sydney Kingsford Smith is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Sydney. Booking flights from Kingsford Smith (SYD) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

  • How long is the flight from Sydney to Washington, D.C. Dulles Intl Airport?

    A quick flight from Sydney to Washington, D.C. Dulles Intl Airport can take about 26h 38m. United Airlines provides one of the quickest options available for as low as $1,366. Airlines will cover a distance of 9737 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Sydney to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Sydney to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Dulles Intl.

  • Can I find deals for business class flights from Sydney to Dulles Intl?

    Yes. Cheapflights offers flight deals from Sydney to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $1,048). Flying from Sydney to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $1,909). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Chantilly
Woodbridge
Arlington
Owings Mills
Sterling
Lanham
Reston
Herndon
Hyattsville
Rockville
Springfield
Fredericksburg
Tysons
Falls Church
Towson
Silver Spring
Oxon Hill
Laurel
Clinton

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