Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $830

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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
1 Feb — 8 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Dulles Intl

Enter your travel dates to find the best prices.

Best flights from Sydney to Dulles Intl
Discover carefully curated flight deals from Sydney to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 January 2026.

Mon 2/210:40SYD - IAD
2 stops23h 41mDelta
Mon 16/214:17IAD - SYD
2 stops26h 13mDelta
Deal found 1/1$1,562
Thu 12/211:20SYD - IAD
2 stops44h 51mAir Canada
Mon 16/222:13IAD - SYD
2 stops43h 22mAir Canada
Deal found 1/1$1,691
Fri 6/211:20SYD - IAD
2 stops24h 01mMultiple Airlines
Wed 1/409:55IAD - SYD
3 stops31h 25mMultiple Airlines
Deal found 30/12$1,805
Thu 5/211:20SYD - IAD
2 stops44h 53mAir Canada
Wed 1/408:15IAD - SYD
2 stops33h 05mAir Canada
Deal found 30/12$1,696
Sat 7/211:20SYD - IAD
2 stops50h 05mAir Canada
Thu 2/412:38IAD - SYD
2 stops28h 42mAir Canada
Deal found 30/12$1,771
Fri 6/211:20SYD - IAD
2 stops26h 05mAir Canada
Sun 5/422:07IAD - SYD
2 stops43h 13mAir Canada
Deal found 30/12$1,771
Fri 6/211:20SYD - IAD
2 stops40h 29mAir Canada
Wed 1/408:15IAD - SYD
2 stops33h 05mAir Canada
Deal found 30/12$1,771
Sat 14/211:20SYD - IAD
2 stops25h 34mAir Canada
Sat 21/212:43IAD - SYD
3 stops28h 52mAir Canada
Deal found 31/12$1,783

Find 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 2 January 2026.

Round-trip from

$1,562

One-way from

$830

Popular in

December

Cheapest in

November

Average price

$1,974
Delta
  • Delta
  • 19/1-2/2
  • 4 total stops
  • 50h 53m total
  • Sydney to Washington, D.C.
30/1
  • 30/1
  • 3 total stops
  • 38h 09m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 5% potential increase in price ($149 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($64 potential savings vs. average return price).
Average for round-trip flights in January 2026

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 2 January 2026.
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

Mon 2/2

10:40-18:21

2 stops23h 41m

Washington, D.C. Dulles Intl

Mon 16/2

14:17-08:30

2 stops26h 13m

$1,562

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 12/2

11:20-16:11

2 stops44h 51m

Washington, D.C. Dulles Intl

Mon 16/2

22:13-09:35

2 stops43h 22m

$1,691

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 5/2

11:20-16:13

2 stops44h 53m

Washington, D.C. Dulles Intl

Wed 1/4

08:15-08:20

2 stops33h 05m

$1,696

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 7/2

11:20-21:25

2 stops50h 05m

Washington, D.C. Dulles Intl

Thu 2/4

12:38-08:20

2 stops28h 42m

$1,771

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 6/2

11:20-21:25

2 stops26h 05m

Washington, D.C. Dulles Intl

Sun 5/4

22:07-07:20

2 stops43h 13m

$1,771

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 6/2

11:20-11:49

2 stops40h 29m

Washington, D.C. Dulles Intl

Wed 1/4

08:15-08:20

2 stops33h 05m

$1,771

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 14/2

11:20-20:54

2 stops25h 34m

Washington, D.C. Dulles Intl

Sat 21/2

12:43-09:35

3 stops28h 52m

$1,783

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 6/2

11:20-19:21

2 stops24h 01m

Washington, D.C. Dulles Intl

Wed 1/4

09:55-08:20

3 stops31h 25m

$1,805

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 19/2

14:15-20:45

2 stops22h 30m

$989

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 17/2

14:15-00:21

2 stops26h 06m

$989

Flights are sorted by cheapest return flights first.

Deals found on 2/1

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 26 December 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 78 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 $614). Flying from Sydney to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $1,579). 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.

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 2 January 2026.
Read reviews from past customers who have flown with Air New Zealand, Qantas Airways, andUnited Airlines 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.

Food

7.4

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Food

7.4

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Food

7.4

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Food

7.4

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Food

7.4

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Food

7.4

Boarding

8.2

Comfort

8.0

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

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 44h 51m. The distance from Sydney to Washington, D.C. Dulles Intl Airport is about 15670 km.

  • 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 $602 on this airline. Additional options worth looking into are Qantas Airways and Virgin Australia, starting at $836 and $1,204 round-trip. American Airlines is currently priced 67% 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 $614). Flying from Sydney to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $1,579). 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 2 January 2026.

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 2 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$602Average$1,814FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$836Average$1,468FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Virgin AustraliaCheapest$1,223Average$2,567FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air CanadaCheapest$1,293Average$1,742FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,445Average$1,678FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,588Average$2,110FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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