Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $616

SYD — IAD
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Dulles Intl

Thu 12/1111:10 -
1 stop34h 28m
Mon 16/1107:14 -
2 stops33h 46m
Deal found 2/11$1,047
Thu 3/1211:10 -
1 stop34h 24m
Sun 6/1206:00 -
1 stop35h 00m
Deal found 31/10$1,050
Sun 15/1120:45 -
2 stops42h 45m
Tue 8/1207:18 -
2 stops33h 42m
Deal found 31/10$1,092
Fri 4/1211:10 -
2 stops26h 55m
Sun 6/1207:14 -
2 stops33h 46m
Deal found 31/10$1,120
Fri 13/1114:05 -
1 stop20h 14m
Sun 22/1114:42 -
1 stop24h 13m
Deal found 2/11$1,122
Fri 13/1110:40 -
2 stops28h 41m
Sun 22/1112:01 -
2 stops28h 29m
Deal found 1/11$1,126
Mon 23/1110:30 -
1 stop48h 00m
Tue 1/1222:00 -
1 stop42h 05m
Deal found 4/11$1,595
Mon 16/1110:30 -
1 stop48h 00m
Tue 8/1222:00 -
1 stop42h 05m
Deal found 31/10$1,686
Mon 16/1110:30 -
1 stop48h 00m
Fri 11/1222:00 -
1 stop42h 05m
Deal found 31/10$1,788
Tue 3/1116:50 -
1 stop32h 10m
Tue 17/1114:25 -
1 stop48h 05m
Deal found 1/11$1,790
Mon 16/1110:30 -
1 stop48h 00m
Thu 10/1208:35 -
2 stops55h 30m
Deal found 31/10$1,836

Find flight deals from Sydney to Dulles Intl

Round-trip from

$1,050

One-way from

$616

Popular in

July

Cheapest in

September

Average price

$1,499
American Airlines
  • American Airlines
  • 3/12-7/12
  • 3 total stops
  • 68h 10m total
  • Sydney to Washington, D.C.
Delta
  • Delta
  • 19/1-31/12
  • 2 total stops
  • 25h 42m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 20% potential increase in price ($714 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($99 potential savings vs. average return price).
Average for round-trip flights in November 2026

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 return flight

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Tue 19/1

13:35-23:17

2 stops25h 42m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$616

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Fri 29/1

10:40-23:31

2 stops28h 51m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$699

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Fri 4/12

21:40-17:39

2 stops35h 59m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,590

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Mon 11/1

21:40-17:50

3 stops36h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,612

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Sat 12/12

21:40-16:15

3 stops34h 35m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,726

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Fri 8/1

21:40-17:50

2 stops36h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,919
Fastest return journey

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Sun 20/12

21:40-05:45

2 stops24h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,965

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Fri 13/11

16:50-09:00

1 stop32h 10m

Washington, D.C. Dulles Intl

Sun 22/11

14:25-06:30

1 stop48h 05m

$2,099

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Mon 21/12

11:10-05:20

1 stop34h 10m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

$2,108

SydneyWashington, D.C.

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

SYDIAD

Sydney Kingsford Smith

Thu 12/11

21:30-09:00

1 stop51h 30m

Washington, D.C. Dulles Intl

Fri 20/11

14:25-06:30

1 stop48h 05m

$2,115

Flights are sorted by cheapest return flights first.

Deals found on 31/10

Showing 1-10 of 22 resultsSorted by cheapest first
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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 return 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 $1,498). Flying from Sydney to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $2,728). 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 for a return flight 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 $1,486 and $1,655 in December.
The cheapest return price found within the last 5 days was $1,050 on American Airlines (3 Dec–6 Dec).

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown with Air New Zealand,Qantas Airways, andUnited Airlines from Sydney to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Comfort

7.9

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Comfort

7.9

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Comfort

7.9

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Comfort

7.9

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Comfort

7.9

Entertainment

7.5

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Related info for your journey

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

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly out of when you book flights from Sydney to Washington, D.C. Dulles Intl. 5 airlines have flights from Kingsford Smith to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Sydney Kingsford Smith to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

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

    Departing from Sydney to Washington, D.C. Dulles Intl Airport will take you 32h 10m. The distance from Sydney to Washington, D.C. Dulles Intl Airport is about 15670 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Sydney to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Sydney to Washington, D.C. Dulles Intl Airport is Qantas Airways. Our recent data shows that you can find tickets from as low as $797 on this airline. Additional options worth looking into are Air Canada and Air New Zealand, starting at $1,186 and $1,214 round-trip. Qantas Airways is currently priced 59% below the average price you’ll pay for this route.

  • 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 holiday 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 $1,498). Flying from Sydney to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $2,728). 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

Travelling 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
Laurel
Linthicum Heights

Browse thousands of different options on Cheapflights for your next trip

Fly from Sydney to Dulles Intl on these airlines

Top 5 airlines flying from Sydney to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$797Average$2,719FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,186Average$1,593FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,214Average$1,930FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,366Average$1,666FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$1,451Average$1,941FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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