Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $814

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
24 Apr — 1 May1
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
Explore the most affordable flight options available from Sydney to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2026.

Wed 6/509:20
SYD
-
IAD
2 stops40h 30m
Air Canada
Wed 13/508:15
IAD
-
SYD
2 stops33h 05m
Air Canada
Deal found 22/3$1,321
Wed 22/709:20
SYD
-
IAD
1 stop35h 02m
Air Canada
Tue 28/709:45
IAD
-
SYD
2 stops31h 35m
Air Canada
Deal found 20/3$1,332
Thu 23/409:20
SYD
-
IAD
2 stops48h 20m
Air Canada
Wed 6/509:45
IAD
-
SYD
2 stops31h 35m
Air Canada
Deal found 21/3$1,351
Wed 13/509:20
SYD
-
IAD
2 stops36h 30m
Air Canada
Sun 24/517:15
IAD
-
SYD
2 stops48h 05m
Air Canada
Deal found 21/3$1,387
Thu 23/409:20
SYD
-
IAD
2 stops45h 10m
Air Canada
Sun 26/422:08
IAD
-
SYD
2 stops43h 12m
Air Canada
Deal found 20/3$1,422

Find flight deals from Sydney to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 March 2026.

Round-trip from

$1,321

One-way from

$814

Popular in

June

Cheapest in

November

Average price

$1,851
Air Canada
  • Air Canada
  • 6/5-13/5
  • 4 total stops
  • 73h 35m total
  • Sydney to Washington, D.C.
6/8
  • 6/8
  • 3 total stops
  • 48h 22m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 13% potential increase in price ($385 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($48 potential savings vs. average return price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Dulles Intl 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, Cheapflights users made 647,157 searches. Data last updated 25 March 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 return flight

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 6/5

10:20-21:11

2 stops24h 51m

Washington, D.C. Dulles Intl

Wed 13/5

18:40-06:55

1 stop22h 15m

$1,775
Fastest return journey

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 22/7

09:30-16:26

1 stop20h 56m

Washington, D.C. Dulles Intl

Wed 29/7

17:55-06:55

1 stop23h 00m

$1,784

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 3/5

09:30-16:24

1 stop20h 54m

Washington, D.C. Dulles Intl

Wed 27/5

14:35-07:00

2 stops26h 25m

$1,850

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 4/5

09:30-18:25

1 stop22h 55m

Washington, D.C. Dulles Intl

Thu 28/5

14:51-06:55

1 stop26h 04m

$1,857

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 25/6

10:20-05:53

1 stop33h 33m

Washington, D.C. Dulles Intl

Mon 13/7

22:20-07:00

1 stop42h 40m

$2,132

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 10/7

10:20-19:11

1 stop22h 51m

Washington, D.C. Dulles Intl

Sat 18/7

22:21-06:55

1 stop42h 34m

$2,164

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 26/6

09:30-00:55

1 stop29h 25m

Washington, D.C. Dulles Intl

Tue 14/7

14:53-07:00

2 stops26h 07m

$2,208

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 30/6

20:45-17:14

2 stops34h 29m

Washington, D.C. Dulles Intl

Thu 23/7

18:14-18:50

2 stops34h 36m

$2,396

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 16/4

09:30-00:45

1 stop29h 15m

Washington, D.C. Dulles Intl

Sat 2/5

22:05-07:00

1 stop42h 55m

$2,422

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 30/6

09:30-18:48

1 stop23h 18m

Washington, D.C. Dulles Intl

Thu 23/7

17:55-06:55

1 stop23h 00m

$2,462

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How far ahead should I book a flight from Sydney to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Sydney to Dulles Intl. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from Sydney to Washington, D.C. Dulles Intl Airport, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $1,042). Flying from Sydney to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $1,723). 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?

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 25 March 2026.
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.

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.4

Comfort

8.0

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

Related info for your journey

Find useful and relevant information for your journey from Sydney to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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. 6 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 24h 51m. The distance from Sydney to Washington, D.C. Dulles Intl Airport is about 15670 km.

  • 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 $800 on this airline. Additional options worth looking into are American Airlines and Air Canada, starting at $1,110 and $1,238 round-trip. Qantas Airways is currently priced 54% 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, January is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $1,042). Flying from Sydney to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $1,723). 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
Linthicum Heights

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Fly from Sydney to Dulles Intl on these airlines

Choose from the following airlines for your flight from Sydney to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 25 March 2026.

Top 6 airlines flying from Sydney to Dulles Intl

Discover the top 6 airlines that operate flights from Sydney to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$800Average$1,732FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,110Average$1,896FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,238Average$1,604FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,410Average$1,606FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,500Average$2,012FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$2,025Average$3,051FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to Dulles Intl?

Cheapflights makes it easy to find Sydney to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Dulles Intl?

Cheapflights helps you find that perfect flight to Dulles Intl from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to Dulles Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Dulles Intl flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from Sydney to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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