Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $1,028

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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

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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 29 October 2025.

Sun 16/1111:45SYD - IAD
2 stops33h 42mAir New Zealand
Mon 24/1106:48IAD - SYD
2 stops35h 42mAir New Zealand
Deal found 28/10$1,608
Tue 11/1120:40SYD - IAD
2 stops38h 46mMultiple Airlines
Sun 16/1122:08IAD - SYD
2 stops73h 22mMultiple Airlines
Deal found 27/10$1,625
Wed 5/1111:45SYD - IAD
2 stops25h 06mAir New Zealand
Wed 12/1112:55IAD - SYD
2 stops29h 35mAir New Zealand
Deal found 27/10$1,637
Sat 15/1113:55SYD - IAD
2 stops31h 32mAir New Zealand
Sun 23/1106:00IAD - SYD
2 stops44h 05mAir New Zealand
Deal found 27/10$1,681
Mon 24/1111:20SYD - IAD
2 stops40h 19mAir Canada
Mon 1/1209:45IAD - SYD
2 stops31h 50mAir Canada
Deal found 27/10$1,958
Thu 11/1221:40SYD - IAD
2 stops24h 26mAlaska Airlines
Wed 24/1218:29IAD - SYD
2 stops57h 16mAlaska Airlines
Deal found 27/10$2,001
Sat 6/1221:40SYD - IAD
2 stops48h 26mAlaska Airlines
Wed 24/1218:29IAD - SYD
2 stops57h 16mAlaska Airlines
Deal found 27/10$2,030
Fri 5/1221:40SYD - IAD
2 stops59h 50mAlaska Airlines
Wed 24/1218:29IAD - SYD
2 stops57h 16mAlaska Airlines
Deal found 27/10$2,045
Fri 14/1121:40SYD - IAD
2 stops35h 00mAlaska Airlines
Sat 22/1118:08IAD - SYD
2 stops57h 37mAlaska Airlines
Deal found 26/10$2,046
Wed 5/1111:20SYD - IAD
2 stops26h 00mAir Canada
Wed 12/1109:45IAD - SYD
3 stops31h 50mAir Canada
Deal found 27/10$2,054
Mon 8/1220:40SYD - IAD
1 stop37h 50mAir China
Tue 23/1222:00IAD - SYD
1 stop49h 30mAir China
Deal found 25/10$2,066

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 29 October 2025.

Round-trip from

$1,608

One-way from

$1,028

Popular in

December

Cheapest in

March

Average price

$1,769
Air New Zealand
  • Air New Zealand
  • 16/11-24/11
  • 4 total stops
  • 69h 24m total
  • Sydney to Washington, D.C.
Alaska Airlines
  • Alaska Airlines
  • 2/11
  • 3 total stops
  • 35h 00m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 13% potential increase in price ($473 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($110 potential savings vs. average return price).
Average for round-trip flights in October 2025

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 29 October 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

Sun 16/11

11:45-05:27

2 stops33h 42m

Washington, D.C. Dulles Intl

Mon 24/11

06:48-10:30

2 stops35h 42m

$1,608

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 16/2

12:25-09:10

1 stop36h 45m

Washington, D.C. Dulles Intl

Mon 6/4

12:15-09:25

1 stop31h 10m

$2,004

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 9/12

21:40-17:30

2 stops59h 50m

Washington, D.C. Dulles Intl

Wed 24/12

18:29-19:45

2 stops57h 16m

$2,045

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 10/12

11:20-23:08

2 stops27h 48m

Washington, D.C. Dulles Intl

Tue 23/12

06:05-09:00

2 stops58h 55m

$2,090

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 21/2

21:15-11:45

2 stops54h 30m

Washington, D.C. Dulles Intl

Mon 2/3

13:30-19:20

2 stops37h 50m

$2,194

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 20/2

11:20-21:23

2 stops50h 03m

Washington, D.C. Dulles Intl

Tue 24/2

13:13-09:35

2 stops28h 22m

$2,200

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 14/11

11:20-20:54

2 stops25h 34m

Washington, D.C. Dulles Intl

Sun 30/11

09:45-09:35

3 stops31h 50m

$2,205

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 10/12

20:40-14:50

2 stops58h 10m

Washington, D.C. Dulles Intl

Tue 23/12

22:00-15:30

1 stop49h 30m

$2,226

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 8/2

11:50-16:14

1 stop20h 24m

Washington, D.C. Dulles Intl

Sat 14/2

22:05-06:20

2 stops40h 15m

$2,281

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 2/11

21:40-16:40

3 stops35h 00m

$1,028

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 21 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 24 October 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, April is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $624). Flying from Sydney to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,786). 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 29 October 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 9% 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 Tuesday at midday when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 29 October 2025.
Read reviews from past customers who have flown with Air New Zealand, Virgin Australia, andQantas Airways 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.

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.4

Reviews

1 / 20
6.0
Good

Anonymous,July 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

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 33h 42m. 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 American Airlines. Our recent data shows that you can find tickets from as low as $624 on this airline. Additional options worth looking into are Virgin Australia and Qantas Airways, starting at $1,244 and $1,280 round-trip. American Airlines is currently priced 68% 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, April is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $624). Flying from Sydney to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,786). 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 29 October 2025.

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 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$624Average$1,605FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AustraliaCheapest$1,244Average$2,751FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$1,280Average$1,535FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,283Average$1,797FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,511Average$1,706FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,737Average$2,202FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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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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