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Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $950

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Washington, D.C. Dulles Intl are usually found in March or February, 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 25 March 2025.

Round-trip from

$1,568

One-way from

$950

Popular in

December

Cheapest in

March

Average price

$1,748
Air Canada
  • Air Canada
  • 26/8-23/9
  • 3 total stops
  • 66h 50m total
  • Sydney to Washington, D.C.
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5/6
  • 5/6
  • 2 total stops
  • 29h 16m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($301 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($66 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
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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 25 March 2025.

Tue 26/809:20SYD - IAD
1 stop35h 25mAir Canada
Tue 23/909:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 24/3$1,568
Wed 28/517:45SYD - IAD
1 stop36h 29mMultiple Airlines
Sun 8/618:46IAD - SYD
1 stop22h 09mMultiple Airlines
Deal found 23/3$1,783
Wed 26/311:20SYD - IAD
2 stops23h 22mUnited Airlines
Mon 31/317:40IAD - SYD
2 stops23h 20mUnited Airlines
Deal found 24/3$1,826
Thu 27/321:25SYD - IAD
1 stop23h 15mQantas Airways
Thu 3/417:20IAD - SYD
1 stop22h 35mQantas Airways
Deal found 24/3$1,837
Mon 21/409:25SYD - IAD
2 stops28h 15mDelta
Mon 28/410:16IAD - SYD
2 stops30h 19mDelta
Deal found 24/3$1,840
Mon 31/312:50SYD - IAD
1 stop36h 15mANA
Mon 12/111:05IAD - SYD
1 stop41h 10mANA
Deal found 23/3$2,268
Sun 13/410:20SYD - IAD
1 stop32h 55mVirgin Australia
Sat 3/522:05IAD - SYD
1 stop42h 55mVirgin Australia
Deal found 24/3$2,327
Thu 8/521:10SYD - IAD
1 stop49h 30mEmirates
Thu 15/510:55IAD - SYD
1 stop45h 10mEmirates
Deal found 24/3$3,247
Sat 26/412:50SYD - IAD
3 stops65h 10mAir Tahiti Nui
Fri 2/517:38IAD - SYD
3 stops31h 32mAir Tahiti Nui
Deal found 24/3$3,679
Thu 29/518:05SYD - IAD
3 stops52h 50mEthiopian Air
Sun 8/610:55IAD - SYD
2 stops53h 00mEthiopian Air
Deal found 23/3$5,750
Tue 1/707:55SYD - IAD
1 stop41h 20mKorean Air
Tue 22/713:30IAD - SYD
1 stop26h 50mKorean Air
Deal found 24/3$8,638
Thu 8/515:00SYD - IAD
2 stops38h 15mSWISS
Thu 15/520:45IAD - SYD
2 stops56h 30mSWISS
Deal found 24/3$19,858

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 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 26/8

09:20-06:45

1 stop35h 25m

Washington, D.C. Dulles Intl

Tue 23/9

09:55-07:20

2 stops31h 25m

$1,568

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 28/5

17:45-05:55

2 stops26h 10m

Washington, D.C. Dulles Intl

Mon 9/6

18:46-06:55

1 stop22h 09m

$1,783

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 30/4

09:30-18:49

2 stops23h 19m

Washington, D.C. Dulles Intl

Mon 5/5

15:36-07:00

2 stops25h 24m

$1,826

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 21/4

09:25-23:40

2 stops28h 15m

Washington, D.C. Dulles Intl

Mon 28/4

10:16-06:35

2 stops30h 19m

$1,840

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 30/5

10:25-16:17

1 stop19h 52m

Washington, D.C. Dulles Intl

Mon 9/6

18:46-06:55

1 stop22h 09m

$1,858

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 13/4

10:20-05:15

1 stop32h 55m

Washington, D.C. Dulles Intl

Sat 3/5

22:05-07:00

1 stop42h 55m

$2,327

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 8/5

21:10-08:40

1 stop49h 30m

Washington, D.C. Dulles Intl

Thu 15/5

10:55-22:05

1 stop45h 10m

$3,247

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 10/4

11:50-10:05

1 stop36h 15m

Washington, D.C. Dulles Intl

Mon 14/4

12:55-09:25

2 stops30h 30m

$3,612

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 26/4

12:50-16:00

3 stops65h 10m

Washington, D.C. Dulles Intl

Fri 2/5

17:38-15:10

3 stops31h 32m

$3,679

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 29/5

18:05-08:55

3 stops52h 50m

Washington, D.C. Dulles Intl

Sun 8/6

10:55-05:55

2 stops53h 00m

$5,750

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 26 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 21 March 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 25 March 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 25 March 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, Korean Air and Japan Airlines 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.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.2

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.
Air Tahiti Nui
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.2

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.
Korean Air
8.4
Very Good
1,047 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.2

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.
Japan Airlines
8.3
Very Good
1,440 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.2

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.
ANA
8.3
Very Good
826 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.2

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.
Asiana Airlines
8.2
Very Good
441 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Comfort

8.0

Food

7.8

Boarding

8.7

Overall

8.7

Entertainment

7.2

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 Air Canada. Our recent data shows that you can find tickets from as low as $1,568 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $1,826 and $1,840 round-trip. Air Canada is currently priced 25% below the average price you’ll pay for this route.

  • 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 $1,344 on Air Canada. Other airlines that offer cheap prices include United Airlines from $1,422 and JetBlue from $1,463 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 25 March 2025.
United Airlines flights from Sydney Kingsford Smith to Washington, D.C. Dulles Intl
Air Canada flights from Sydney Kingsford Smith to Washington, D.C. Dulles Intl
ANA flights from Sydney Kingsford Smith to Washington, D.C. Dulles Intl

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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$652Average$2,035FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,348Average$1,976FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,368Average$1,958FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,739Average$2,466FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
ANACheapest$1,865Average$2,206FlexibilityNo cancel feeOn-time80%
Search ANA flights
United AirlinesCheapest$1,881Average$2,250FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,965Average$2,403FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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