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Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $1,063

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
17 Apr — 24 Apr1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Washington, D.C. Dulles Intl are usually found in March or August, booked 20 days in advance, depart on a Friday or Tuesday and return on a Tuesday

Cheap 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 12 April 2025.

Round-trip from

$1,862

One-way from

$1,063

Popular in

December

Cheapest in

March

Average price

$2,036
29/4-5/5
  • 29/4-5/5
  • 4 total stops
  • 94h 45m total
  • Sydney to Washington, D.C.
25/4
  • 25/4
  • 2 total stops
  • 40h 55m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 8% potential increase in price ($329 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($70 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Sydney to Dulles Intl

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 12 April 2025.

Tue 29/419:40SYD - IAD
2 stops39h 40mMultiple Airlines
Mon 5/517:45IAD - SYD
2 stops55h 05mMultiple Airlines
Deal found 10/4$1,862
Sat 18/1011:50SYD - IAD
2 stops27h 40mAir New Zealand
Sat 25/1012:45IAD - SYD
2 stops29h 00mAir New Zealand
Deal found 11/4$2,085
Tue 26/820:55SYD - IAD
2 stops30h 54mANA
Tue 23/912:15IAD - SYD
1 stop31h 10mANA
Deal found 11/4$2,165
Tue 26/811:00SYD - IAD
2 stops42h 59mSingapore Airlines
Tue 23/920:07IAD - SYD
2 stops43h 48mSingapore Airlines
Deal found 11/4$2,182
Sat 18/1010:20SYD - IAD
2 stops25h 40mAir Canada
Sat 25/1013:00IAD - SYD
3 stops28h 35mAir Canada
Deal found 11/4$2,206
Wed 11/609:30SYD - IAD
2 stops25h 39mUnited Airlines
Wed 25/617:45IAD - SYD
1 stop23h 15mUnited Airlines
Deal found 11/4$2,227
Sat 18/1021:45SYD - IAD
1 stop33h 25mQatar Airways
Sat 25/1021:05IAD - SYD
1 stop30h 45mQatar Airways
Deal found 11/4$2,251
Tue 29/407:55SYD - IAD
1 stop41h 20mKorean Air
Mon 5/513:15IAD - SYD
1 stop27h 05mKorean Air
Deal found 10/4$2,312
Fri 25/421:40SYD - IAD
2 stops32h 58mHawaiian Airlines
Fri 9/517:38IAD - SYD
2 stops36h 07mHawaiian Airlines
Deal found 10/4$2,410
Mon 21/409:25SYD - IAD
2 stops28h 06mDelta
Tue 6/513:56IAD - SYD
2 stops26h 39mDelta
Deal found 11/4$2,686
Thu 17/410:20SYD - IAD
1 stop20h 10mVirgin Australia
Wed 7/514:32IAD - SYD
1 stop26h 23mVirgin Australia
Deal found 11/4$3,050
Thu 1/508:55SYD - IAD
3 stops45h 05mAir Tahiti Nui
Fri 30/519:25IAD - SYD
3 stops29h 45mAir Tahiti Nui
Deal found 11/4$3,232

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 12 April 2025.
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

Tue 29/4

19:40-21:20

2 stops39h 40m

Washington, D.C. Dulles Intl

Mon 5/5

17:45-14:50

2 stops55h 05m

$1,862

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 26/8

20:55-13:49

2 stops30h 54m

Washington, D.C. Dulles Intl

Tue 23/9

12:15-09:25

1 stop31h 10m

$2,165

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 26/8

11:00-15:59

2 stops42h 59m

Washington, D.C. Dulles Intl

Tue 23/9

20:07-05:55

2 stops43h 48m

$2,182

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 11/6

09:30-21:09

2 stops25h 39m

Washington, D.C. Dulles Intl

Wed 25/6

17:45-07:00

1 stop23h 15m

$2,227

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 29/4

07:55-11:15

1 stop41h 20m

Washington, D.C. Dulles Intl

Mon 5/5

13:15-06:20

1 stop27h 05m

$2,312

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 27/5

09:20-07:54

2 stops36h 34m

Washington, D.C. Dulles Intl

Tue 3/6

08:19-07:20

1 stop33h 01m

$2,373

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 25/4

21:40-16:38

2 stops32h 58m

Washington, D.C. Dulles Intl

Fri 9/5

17:38-19:45

2 stops36h 07m

$2,410

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 6/5

06:45-08:40

2 stops39h 55m

Washington, D.C. Dulles Intl

Tue 13/5

21:00-17:10

1 stop30h 10m

$2,517

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 21/4

09:25-23:40

2 stops28h 15m

Washington, D.C. Dulles Intl

Wed 7/5

15:37-06:35

2 stops24h 58m

$2,686

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 22/4

10:20-01:09

1 stop28h 49m

Washington, D.C. Dulles Intl

Sun 4/5

17:45-07:00

1 stop23h 15m

$3,050

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 23 results
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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
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 4 April 2025.

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 20 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, February is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $1,013). Flying from Sydney to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,608). 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.

What is the cheapest time of day to fly from SYD to IAD?

Find hourly flight availability from Sydney to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 April 2025.

It’s typically best to fly out from Sydney to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 10% on the flight price compared to flying at midday, which is usually more expensive.

What is the cheapest day to fly from Sydney to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly return from Sydney to Dulles Intl. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday at midday when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 12 April 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, Korean Air and ANA from Sydney to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.7

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
8.3
Very Good

Boarding

8.7

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Boarding

8.7

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
8.0
Very Good

Boarding

8.7

Overall

8.8

Comfort

8.1

Entertainment

7.3

Food

7.8

Crew

9.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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. 7 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.

  • 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 ANA. Our recent data shows that you can find tickets from as low as $2,165 on this airline. Additional options worth looking into are Singapore Airlines and United Airlines, starting at $2,182 and $2,227 round-trip.

  • What are the cheapest airlines to fly from Sydney to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $1,420 on Delta. Other airlines that offer cheap prices include Air China from $1,478 and Air Canada from $1,494 one-way.

  • 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, February is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $1,013). Flying from Sydney to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,608). 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

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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 12 April 2025.

Top 7 airlines flying from Sydney to Dulles Intl

Discover the top 7 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 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$656Average$2,041FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,357Average$1,950FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,377Average$1,956FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,545Average$2,515FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,852Average$2,256FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapest$1,877Average$2,230FlexibilityNo cancel feeOn-time80%
Search ANA flights
Virgin AustraliaCheapest$1,977Average$2,415FlexibilityNo 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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