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Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney from $1,250

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
28 Dec — 4 Jan1
1 adult

The best prices from Washington, D.C. Dulles Intl to Sydney Kingsford Smith are usually found in February or March, booked 41 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Dulles Intl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Sydney (SYD). 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 23 December 2024.

Round-trip from

$1,406

One-way from

$1,250

Popular in

December

Cheapest in

February

Average price

$2,867
American Airlines
  • American Airlines
  • 12/2-26/2
  • 4 total stops
  • 54h 56m total
  • Washington, D.C. to Sydney
Alaska Airlines
  • Alaska Airlines
  • 7/2
  • 3 total stops
  • 34h 20m total
  • Washington, D.C. to Sydney
High demand for flights, 13% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in December 2024

Find flight deals from Dulles Intl to Sydney

Cheapest flights from Dulles Intl to Sydney
Explore the most affordable flight options available from Dulles Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2024.

Sun 29/1217:15IAD - SYD
2 stops25h 05mQantas Airways
Mon 3/211:50SYD - IAD
1 stop20h 24mQantas Airways
Deal found 22/12$1,965
Tue 24/1215:10IAD - SYD
2 stops25h 25mDelta
Sat 18/111:05SYD - IAD
2 stops27h 31mDelta
Deal found 22/12$2,165
Tue 31/1210:35IAD - SYD
2 stops31h 00mAir Canada
Mon 3/211:20SYD - IAD
3 stops40h 10mAir Canada
Deal found 22/12$2,271
Sun 29/1217:50IAD - SYD
1 stop23h 25mUnited Airlines
Mon 3/212:10SYD - IAD
1 stop20h 18mUnited Airlines
Deal found 22/12$2,885
Wed 25/1213:55IAD - SYD
2 stops24h 40mAmerican Airlines
Wed 1/111:50SYD - IAD
1 stop26h 49mAmerican Airlines
Deal found 22/12$2,992
Wed 25/1214:40IAD - SYD
1 stop23h 30mMultiple Airlines
Tue 31/1211:50SYD - IAD
1 stop20h 34mMultiple Airlines
Deal found 22/12$3,016
Fri 27/1217:50IAD - SYD
1 stop23h 25mAir New Zealand
Sun 29/1219:15SYD - IAD
2 stops50h 12mAir New Zealand
Deal found 23/12$3,890
Thu 26/1211:50IAD - SYD
1 stop27h 05mKorean Air
Sat 28/1209:10SYD - IAD
1 stop40h 40mKorean Air
Deal found 22/12$4,895
Thu 26/1217:50IAD - SYD
2 stops46h 30mAsiana Airlines
Sat 4/110:20SYD - IAD
2 stops29h 39mAsiana Airlines
Deal found 23/12$6,388
Fri 27/1210:00IAD - SYD
1 stop30h 10mAir India
Fri 3/110:25SYD - IAD
1 stop36h 25mAir India
Deal found 22/12$6,417
Tue 24/1217:24IAD - SYD
3 stops32h 16mAir Tahiti Nui
Tue 31/1208:55SYD - IAD
3 stops47h 06mAir Tahiti Nui
Deal found 22/12$7,248
Thu 26/1216:41IAD - SYD
2 stops32h 59mLATAM Airlines
Sat 4/111:40SYD - IAD
3 stops40h 30mLATAM Airlines
Deal found 22/12$8,246

Find flights from Dulles Intl to Sydney within your budget

Customise your flight search to find flights from Dulles Intl to Sydney 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 23 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 12/2

09:11-07:25

2 stops30h 14m

Sydney Kingsford Smith

Wed 26/2

07:30-16:12

2 stops24h 42m

$1,406

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 10/2

10:03-08:35

2 stops30h 32m

Sydney Kingsford Smith

Tue 25/2

14:15-00:20

2 stops26h 05m

$1,524

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 8/6

09:55-07:20

2 stops31h 25m

Sydney Kingsford Smith

Mon 30/6

09:20-16:27

1 stop21h 07m

$1,954

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 8/2

17:24-12:30

2 stops27h 06m

Sydney Kingsford Smith

Tue 25/2

14:00-22:33

2 stops24h 33m

$2,044

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 28/2

17:13-21:50

2 stops36h 37m

Sydney Kingsford Smith

Sun 16/3

06:05-22:16

2 stops31h 11m

$2,082

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 15/4

12:15-09:25

1 stop31h 10m

Sydney Kingsford Smith

Wed 23/4

20:55-10:35

1 stop27h 40m

$2,304

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 9/3

14:30-19:00

2 stops37h 30m

Sydney Kingsford Smith

Tue 18/3

21:00-20:30

2 stops38h 30m

$2,312

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 6/3

17:18-19:45

3 stops34h 27m

Sydney Kingsford Smith

Thu 13/3

21:40-17:48

2 stops35h 08m

$2,403

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 13/4

18:05-06:55

1 stop22h 50m

Sydney Kingsford Smith

Sun 20/4

09:30-16:26

1 stop20h 56m

$2,405

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 8/3

16:35-15:30

2 stops54h 55m

Sydney Kingsford Smith

Mon 17/3

20:40-15:10

1 stop33h 30m

$2,430

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 23 results
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Best time to book a flight from Dulles Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Dulles Intl 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.

Travel insights for flights from Dulles Intl to Sydney

Get recent, data-driven insights about flights from Dulles Intl to Sydney including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Sydney?

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Sydney. Price data was last updated on 20 December 2024.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Sydney is 41 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sydney?

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sydney (average of $129). Flying from Washington, D.C. Dulles Intl Airport to Sydney in October is currently the most expensive (average of $171). 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 IAD to SYD?

Find hourly flight availability from Dulles Intl to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2024.

When flying from Washington, D.C. Dulles Intl Airport to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 33% versus a flight in the afternoon.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 23 December 2024.
Get a feel of what it's like to fly with Qantas Airways, Air Canada and United Airlines from Washington, D.C. to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.7
Very Good
63 reviews

Boarding

8.6

Food

7.7

Overall

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.0

Reviews

1 / 2

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.

8.7
Very Good
63 reviews
8.7
Very Good
63 reviews

Boarding

8.6

Food

7.7

Overall

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.0

Reviews

1 / 2

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.

8.4
Very Good
844 reviews
8.7
Very Good
63 reviews

Boarding

8.6

Food

7.7

Overall

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.0

Reviews

1 / 2

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.

8.0
Very Good
8,588 reviews
8.7
Very Good
63 reviews

Boarding

8.6

Food

7.7

Overall

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.0

Reviews

1 / 2

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.

8.0
Very Good
9,549 reviews
8.7
Very Good
63 reviews

Boarding

8.6

Food

7.7

Overall

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.0

Reviews

1 / 2

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.

8.0
Very Good
492 reviews
8.7
Very Good
63 reviews

Boarding

8.6

Food

7.7

Overall

8.7

Comfort

8.0

Entertainment

7.2

Crew

9.0

Reviews

1 / 2

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 Dulles Intl to Sydney. 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 into for flights to Sydney from Washington, D.C. Dulles Intl?

    If you book a flight to Sydney from Washington, D.C. Dulles Intl, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Washington, D.C. Dulles Intl to Kingsford Smith per day from 2 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Sydney round-trip?

    Currently priced at $1,406, American Airlines will fly you from Washington, D.C. Dulles Intl Airport to Sydney and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Air Canada - these airlines can fly you to your destination from $1,524 and $1,954, respectively. Users have found that American Airlines is 37% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Sydney one-way?

    The cheapet airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Sydney are Alaska Airlines ($1,250), Air Canada ($1,255), and United Airlines ($1,398).

  • Can I find deals for flights from Dulles Intl to Sydney that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Sydney.

  • Can I find deals for business class flights from Dulles Intl to Sydney?

    Yes. Cheapflights offers flight deals from Dulles Intl to Sydney 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 Washington, D.C. Dulles Intl Airport to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sydney (average of $129). Flying from Washington, D.C. Dulles Intl Airport to Sydney in October is currently the most expensive (average of $171). 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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Alternative routes for Dulles Intl to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Dulles Intl to Sydney

Discover the top 2 airlines that operate flights from Dulles Intl to Sydney. 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 23 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,537Average$2,255FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,650Average$2,340FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Sydney?

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Can Cheapflights find flights from Dulles Intl to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dulles Intl to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Dulles Intl today and book when prices fit your budget.

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