Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $750

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
12 Mar — 19 Mar1
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 10 February 2026.

Mon 11/509:20
SYD
-
IAD
2 stops39h 57m
Air Canada
Sat 23/516:10
IAD
-
SYD
2 stops25h 10m
Air Canada
Deal found 9/2$1,280
Thu 5/311:20
SYD
-
IAD
2 stops50h 03m
Air Canada
Tue 17/309:55
IAD
-
SYD
2 stops31h 40m
Air Canada
Deal found 9/2$1,287
Tue 24/211:20
SYD
-
IAD
2 stops25h 34m
Air Canada
Tue 10/309:55
IAD
-
SYD
2 stops31h 40m
Air Canada
Deal found 9/2$1,291
Thu 5/311:20
SYD
-
IAD
2 stops50h 03m
Air Canada
Sun 15/322:09
IAD
-
SYD
2 stops43h 26m
Air Canada
Deal found 9/2$1,294
Tue 28/709:20
SYD
-
IAD
2 stops50h 05m
Air Canada
Sun 9/822:05
IAD
-
SYD
2 stops43h 15m
Air Canada
Deal found 7/2$1,297
Wed 4/311:20
SYD
-
IAD
2 stops25h 06m
Air Canada
Wed 18/309:55
IAD
-
SYD
2 stops31h 40m
Air Canada
Deal found 9/2$1,298
Wed 4/311:20
SYD
-
IAD
2 stops40h 26m
Air Canada
Mon 16/322:13
IAD
-
SYD
3 stops43h 22m
Air Canada
Deal found 9/2$1,305
Tue 24/211:20
SYD
-
IAD
2 stops25h 34m
Air Canada
Mon 9/322:09
IAD
-
SYD
2 stops43h 26m
Air Canada
Deal found 9/2$1,329
Wed 4/311:20
SYD
-
IAD
2 stops25h 06m
Air Canada
Sun 15/322:09
IAD
-
SYD
2 stops43h 26m
Air Canada
Deal found 9/2$1,336
Thu 30/706:30
SYD
-
IAD
2 stops37h 52m
Air Canada
Sun 9/822:05
IAD
-
SYD
2 stops43h 15m
Air Canada
Deal found 7/2$1,349

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 10 February 2026.

Round-trip from

$1,280

One-way from

$692

Popular in

June

Cheapest in

November

Average price

$1,668
Air Canada
  • Air Canada
  • 11/5-23/5
  • 4 total stops
  • 65h 07m total
  • Sydney to Washington, D.C.
25/2
  • 25/2
  • 3 total stops
  • 36h 33m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 11% potential increase in price ($304 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($32 potential savings vs. average return price).
Average for round-trip flights in February 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 10 February 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

Sydney

Fly to

Dulles Intl

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 11/5

09:20-11:17

2 stops39h 57m

Washington, D.C. Dulles Intl

Sat 23/5

16:10-07:20

2 stops25h 10m

$1,280

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 11/5

09:20-20:29

1 stop25h 09m

Washington, D.C. Dulles Intl

Sat 23/5

16:10-07:20

1 stop25h 10m

$1,593

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 16/7

12:00-18:31

1 stop20h 31m

Washington, D.C. Dulles Intl

Sun 26/7

06:10-07:05

1 stop34h 55m

$1,638

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 29/7

10:20-18:56

2 stops22h 36m

Washington, D.C. Dulles Intl

Wed 12/8

17:55-06:55

1 stop23h 00m

$1,644

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 4/3

12:10-16:40

1 stop20h 30m

Washington, D.C. Dulles Intl

Wed 18/3

14:12-06:20

2 stops25h 08m

$1,654

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 26/2

11:50-16:06

1 stop20h 16m

Washington, D.C. Dulles Intl

Wed 11/3

17:50-07:00

1 stop22h 10m

$1,654

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 3/3

11:50-16:06

1 stop20h 16m

Washington, D.C. Dulles Intl

Wed 18/3

17:50-07:00

1 stop22h 10m

$1,654

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 2/3

11:50-16:06

1 stop20h 16m

Washington, D.C. Dulles Intl

Mon 16/3

17:50-07:00

1 stop22h 10m

$1,654

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 16/7

09:20-20:24

2 stops25h 04m

Washington, D.C. Dulles Intl

Sun 26/7

13:00-07:20

3 stops28h 20m

$1,668

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 26/2

11:50-22:16

1 stop26h 26m

Washington, D.C. Dulles Intl

Fri 6/3

18:03-09:15

1 stop23h 12m

$1,719

Flights are sorted by cheapest return flights first.

Deals found on 8/2

Showing 1-10 of 17 results
1
2

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 6 February 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 $1,030). Flying from Sydney to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $1,696). 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.

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 10 February 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

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

Overall

8.0

Crew

8.5

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

Overall

8.0

Crew

8.5

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

Overall

8.0

Crew

8.5

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

Overall

8.0

Crew

8.5

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

Overall

8.0

Crew

8.5

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

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 20h 31m. 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 $791 on this airline. Additional options worth looking into are American Airlines and Air Canada, starting at $1,097 and $1,224 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 $1,030). Flying from Sydney to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $1,696). 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 10 February 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 10 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$791Average$1,541FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,097Average$1,853FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,224Average$1,647FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,394Average$1,588FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,495Average$2,009FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$2,002Average$2,937FlexibilityNo 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.

Can Cheapflights notify me if prices for flights from Sydney to Dulles Intl become cheaper?

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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