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Dulles Intl

$462+ Cheap flights from Sydney (SYD) to Dulles Intl (IAD)

SYD — IAD
Oct 10 — Oct 171
Sat 10/10
Sat 10/17
1 adult, Economy
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Cheap flight deals from Sydney to Dulles Intl

Cheapest flights from Sydney to Dulles Intl

Sun 10/252:00 pm -
3 stops36h 34m
Sat 10/317:52 am -
3 stops37h 43m
Deal found 9/7$950
Thu 10/222:15 pm -
3 stops36h 19m
Thu 11/57:40 am -
3 stops36h 55m
Deal found 9/5$959
Thu 10/11:15 pm -
3 stops55h 05m
Tue 10/278:05 am -
3 stops47h 00m
Deal found 9/5$981
Fri 10/162:15 pm -
3 stops31h 05m
Sat 10/317:52 am -
3 stops37h 43m
Deal found 9/9$983
Thu 10/810:20 am -
2 stops25h 05m
Wed 10/219:45 am -
2 stops31h 35m
Deal found 9/8$1,065
Tue 10/2010:20 am -
2 stops25h 05m
Tue 10/279:55 am -
2 stops31h 40m
Deal found 9/8$1,069
Thu 10/810:10 am -
2 stops35h 10m
Wed 10/216:00 am -
2 stops35h 05m
Deal found 9/8$1,073
Wed 10/710:20 am -
2 stops25h 05m
Wed 10/149:55 am -
2 stops31h 25m
Deal found 9/8$1,078
Thu 10/2210:20 am -
2 stops36h 23m
Thu 11/51:19 pm -
2 stops28h 16m
Deal found 9/9$1,082
Mon 11/3011:20 am -
2 stops40h 28m
Wed 12/3010:45 pm -
2 stops40h 10m
Deal found 9/10$1,086

Find flight deals from Sydney to Dulles Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$950
(Trip.com)

One-way from

$462
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,097
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. 20% potential increase in price ($357 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 September 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

Fri 1/15

10:30 am-5:25 am

2 stops34h 55m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$692

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Wed 11/4

4:50 pm-9:05 am

1 stop32h 15m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$809

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Sun 10/4

7:05 pm-10:30 pm

2 stops42h 25m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$993

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Wed 10/21

10:05 pm-7:45 pm

2 stops36h 40m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,065

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Sun 2/28

4:50 pm-11:59 pm

2 stops47h 09m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,080

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Mon 12/28

9:30 pm-3:45 pm

3 stops58h 15m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,238

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Sat 12/12

9:40 pm-7:01 pm

2 stops37h 21m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,244
Quickest round-trip

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Sat 11/28

9:20 am-12:37 am

1 stop31h 17m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,252

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Thu 10/1

7:40 pm-7:21 am

2 stops49h 41m

Washington, D.C. Dulles Intl

Tue 10/27

11:00 pm-8:05 am

1 stop42h 05m

$1,278

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Sun 10/25

9:50 pm-12:45 pm

2 stops53h 55m

Washington, D.C. Dulles Intl

Sat 10/31

10:20 pm-7:25 pm

2 stops54h 05m

$1,490

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 22 resultsSorted by cheapest first
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  • 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, November is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $1,049). 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 below average for this route at the moment.

Sydney to Washington, D.C. Dulles Intl Airport flights typically cost between $1,048 and $2,077 in October.
The cheapest round-trip price found within the last 5 days was $950 on Multiple Airlines (Oct 25-Oct 31).

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 32h 20m. Air China provides one of the quickest options available for as low as $1,806. 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, November is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $1,049). 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
Arlington
Owings Mills
Tysons
Lanham
Reston
Chantilly
Herndon
Rockville
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Sterling
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring

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