Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $833

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
23 Jul — 30 Jul1
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 27 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 18 July 2025.

Round-trip from

$1,711

One-way from

$833

Popular in

December

Cheapest in

March

Average price

$2,069
Air New Zealand
  • Air New Zealand
  • 19/8-30/8
  • 4 total stops
  • 58h 30m total
  • Sydney to Washington, D.C.
13/8
  • 13/8
  • 3 total stops
  • 55h 56m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 9% potential increase in price ($313 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($68 potential savings vs. average return price).
Average for round-trip flights in July 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 18 July 2025.

Tue 19/811:50SYD - IAD
2 stops26h 40mAir New Zealand
Sat 30/812:45IAD - SYD
2 stops31h 50mAir New Zealand
Deal found 18/7$1,711
Wed 24/909:10SYD - IAD
2 stops27h 38mAmerican Airlines
Wed 8/1006:45IAD - SYD
2 stops34h 20mAmerican Airlines
Deal found 18/7$1,836
Fri 1/821:40SYD - IAD
2 stops35h 39mAlaska Airlines
Sun 10/818:13IAD - SYD
2 stops35h 32mAlaska Airlines
Deal found 18/7$1,981
Fri 1/820:55SYD - IAD
1 stop27h 10mANA
Sun 10/815:39IAD - SYD
2 stops37h 36mANA
Deal found 18/7$2,025
Sun 31/810:20SYD - IAD
2 stops25h 05mUnited Airlines
Sun 7/908:15IAD - SYD
2 stops32h 40mUnited Airlines
Deal found 17/7$2,055
Mon 17/1111:20SYD - IAD
2 stops26h 02mAir Canada
Tue 25/1109:55IAD - SYD
2 stops31h 40mAir Canada
Deal found 17/7$2,076
Mon 11/819:45SYD - IAD
1 stop37h 45mMultiple Airlines
Sat 23/822:05IAD - SYD
2 stops50h 45mMultiple Airlines
Deal found 17/7$2,124
Wed 8/1021:55SYD - IAD
2 stops36h 50mTurkish Airlines
Wed 15/1013:30IAD - SYD
2 stops39h 30mTurkish Airlines
Deal found 17/7$2,318

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 18 July 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 19/8

11:50-00:30

2 stops26h 40m

Washington, D.C. Dulles Intl

Sat 30/8

12:45-10:35

2 stops31h 50m

$1,711

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 24/9

09:10-22:48

2 stops27h 38m

Washington, D.C. Dulles Intl

Wed 8/10

06:45-08:05

2 stops34h 20m

$1,836

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 1/8

21:40-19:19

2 stops35h 39m

Washington, D.C. Dulles Intl

Sun 10/8

18:13-19:45

2 stops35h 32m

$1,981

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 1/8

20:55-10:05

1 stop27h 10m

Washington, D.C. Dulles Intl

Sun 10/8

15:39-19:15

2 stops37h 36m

$2,025

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 31/8

10:20-21:25

2 stops25h 05m

Washington, D.C. Dulles Intl

Sun 7/9

08:15-06:55

2 stops32h 40m

$2,055

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 17/11

11:20-21:22

2 stops26h 02m

Washington, D.C. Dulles Intl

Tue 25/11

09:55-09:35

2 stops31h 40m

$2,076

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 11/8

19:45-19:30

1 stop37h 45m

Washington, D.C. Dulles Intl

Sat 23/8

22:05-14:50

2 stops50h 45m

$2,124

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 8/10

21:55-19:45

2 stops36h 50m

Washington, D.C. Dulles Intl

Wed 15/10

13:30-20:00

2 stops39h 30m

$2,318

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 13/8

16:20-10:16

3 stops55h 56m

$833

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 15/8

10:20-21:25

2 stops25h 05m

$1,026

Flights are sorted by cheapest return flights first.

Deals found on 18/7

Showing 1-10 of 16 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 11 July 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 27 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 18 July 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.

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 18 July 2025.
Read reviews from past customers who have flown with ANA, Alaska Airlines, andDelta 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

8.4

Food

7.7

Boarding

8.5

Crew

8.7

Entertainment

7.9

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.4
Very Good

Overall

8.4

Food

7.7

Boarding

8.5

Crew

8.7

Entertainment

7.9

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Overall

8.4

Food

7.7

Boarding

8.5

Crew

8.7

Entertainment

7.9

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
8.0
Very Good

Overall

8.4

Food

7.7

Boarding

8.5

Crew

8.7

Entertainment

7.9

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Overall

8.4

Food

7.7

Boarding

8.5

Crew

8.7

Entertainment

7.9

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

Overall

8.4

Food

7.7

Boarding

8.5

Crew

8.7

Entertainment

7.9

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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 New Zealand. Our recent data shows that you can find tickets from as low as $1,711 on this airline. Additional options worth looking into are American Airlines and Alaska Airlines, starting at $1,836 and $1,981 round-trip. Air New Zealand is currently priced 15% 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 $1,026 on United Airlines. Other airlines that offer cheap prices include Air China from $1,154 and American Airlines from $1,158 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

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 18 July 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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$632Average$1,626FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,301Average$1,798FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,327Average$1,740FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,618Average$1,735FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,761Average$2,190FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,905Average$2,329FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
ANACheapest$1,936Average$2,165FlexibilityNo cancel feeOn-time80%
Search ANA flights

Fly with Cheapflights

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

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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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