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Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $1,050

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 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
13 Jul — 20 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 8 July 2025.

Round-trip from

$1,592

One-way from

$1,050

Popular in

December

Cheapest in

March

Average price

$2,099
6/8-13/8
  • 6/8-13/8
  • 4 total stops
  • 89h 13m total
  • Sydney to Washington, D.C.
Air China
  • Air China
  • 24/7
  • 1 total stop
  • 37h 50m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 8% potential increase in price ($292 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($63 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 8 July 2025.

Wed 6/819:45SYD - IAD
2 stops49h 08mMultiple Airlines
Wed 13/808:45IAD - SYD
2 stops40h 05mMultiple Airlines
Deal found 6/7$1,592
Wed 13/811:50SYD - IAD
2 stops27h 10mAir New Zealand
Sat 23/808:50IAD - SYD
2 stops33h 55mAir New Zealand
Deal found 6/7$1,726
Sun 31/809:10SYD - IAD
2 stops39h 51mAmerican Airlines
Wed 3/906:25IAD - SYD
1 stop34h 30mAmerican Airlines
Deal found 6/7$1,804
Fri 8/809:10SYD - IAD
2 stops23h 42mBritish Airways
Sat 23/813:18IAD - SYD
2 stops27h 47mBritish Airways
Deal found 5/7$1,853
Mon 21/719:45SYD - IAD
1 stop37h 45mAir China
Thu 24/708:30IAD - SYD
2 stops64h 20mAir China
Deal found 7/7$1,858
Fri 8/809:10SYD - IAD
2 stops23h 46mIberia
Sat 23/813:18IAD - SYD
2 stops27h 47mIberia
Deal found 5/7$1,870
Mon 8/909:20SYD - IAD
2 stops38h 18mAir Canada
Thu 18/909:35IAD - SYD
3 stops31h 45mAir Canada
Deal found 5/7$2,007
Wed 3/1211:20SYD - IAD
1 stop23h 33mUnited Airlines
Mon 22/1208:18IAD - SYD
1 stop30h 02mUnited Airlines
Deal found 7/7$2,259
Tue 23/1221:45SYD - IAD
1 stop27h 25mANA
Sun 11/113:05IAD - SYD
2 stops39h 10mANA
Deal found 7/7$2,387
Tue 19/821:40SYD - IAD
2 stops23h 47mAlaska Airlines
Tue 26/818:09IAD - SYD
2 stops35h 36mAlaska Airlines
Deal found 5/7$2,404

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 8 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

Wed 6/8

19:45-06:53

2 stops49h 08m

Washington, D.C. Dulles Intl

Wed 13/8

08:45-14:50

2 stops40h 05m

$1,592

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 13/8

11:50-01:00

2 stops27h 10m

Washington, D.C. Dulles Intl

Sat 23/8

08:50-08:45

2 stops33h 55m

$1,726

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 31/8

09:10-11:01

2 stops39h 51m

Washington, D.C. Dulles Intl

Wed 3/9

06:25-06:55

1 stop34h 30m

$1,804

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 8/8

09:10-18:52

2 stops23h 42m

Washington, D.C. Dulles Intl

Sat 23/8

13:18-07:05

2 stops27h 47m

$1,853

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 21/7

19:45-19:30

1 stop37h 45m

Washington, D.C. Dulles Intl

Thu 24/7

08:30-14:50

2 stops64h 20m

$1,858

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 8/8

09:10-18:56

2 stops23h 46m

Washington, D.C. Dulles Intl

Sat 23/8

13:18-07:05

2 stops27h 47m

$1,870

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 8/9

09:20-09:38

2 stops38h 18m

Washington, D.C. Dulles Intl

Thu 18/9

09:35-07:20

3 stops31h 45m

$2,007

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 19/8

21:40-07:27

2 stops23h 47m

Washington, D.C. Dulles Intl

Tue 26/8

18:09-19:45

2 stops35h 36m

$2,404

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 20/8

11:50-10:05

1 stop36h 15m

Washington, D.C. Dulles Intl

Wed 27/8

12:15-09:25

1 stop31h 10m

$2,500

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 20/8

10:20-16:25

1 stop20h 05m

Washington, D.C. Dulles Intl

Wed 27/8

22:10-06:55

1 stop42h 45m

$2,637

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 19 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 27 June 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 8 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.

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 8 July 2025.
Read reviews from past customers who have flown with ANA, Korean Air, andAir New Zealand 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.

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
8.4
Very Good

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

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 $1,726 on this airline. Additional options worth looking into are American Airlines and British Airways, starting at $1,804 and $1,853 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 $1,050 on Air China. Other airlines that offer cheap prices include American Airlines from $1,142 and Qantas Airways from $1,246 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 8 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 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$630Average$1,378FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,300Average$1,806FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,322Average$1,733FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,612Average$1,863FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,754Average$2,178FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,898Average$2,320FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
ANACheapest$1,929Average$2,157FlexibilityNo 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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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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