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

Currently priced at $1,788, Delta will fly you from Washington, D.C. Dulles Intl Airport to Sydney and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air New Zealand and ANA - these airlines can fly you to your destination from $1,972 and $2,003, respectively. Users have found that Delta is 12% cheaper than the other options available to this destination. Find deals

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 ($1,171), ANA ($1,213), and Air India ($1,376). Find deals

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Sydney?

Travellers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Sydney flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly return from Washington, D.C. Dulles Intl Airport to Sydney?

Travellers have found that booking a Tuesday departure is the best way to save up to 27% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Flights from Washington, D.C. Dulles Intl Airport to Sydney lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Sydney in February, with the cheapest ticket starting at $1,285.

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.

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.

$788+ Flights from Washington, D.C. Dulles Intl Airport to Sydney

Q: How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Sydney?

To save up to 6% on this flight, we recommend booking at least 20 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Dulles Intl Airport to Sydney from $1,493 1-2 weeks out and tickets from $1,986 for flights departing within the next 72 hours.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Sydney Kingsford Smith are usually found in February or April, booked 80 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Dulles Intl to Sydney

Round-trip from	$1,788
One-way from	$788
Popular in	December
Cheapest in	February
Average price	$1,447

Delta
20/6-9/7
4 total stops
50h 34m total
Washington, D.C. to Sydney

Search Deals

2/8
2 total stops
43h 43m total
Washington, D.C. to Sydney

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($750 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($98 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 30 April 2025.

Sun 21/912:35IAD - SYD

2 stops28h 00mDelta

Thu 2/1009:25SYD - IAD

2 stops23h 17mDelta

Deal found 30/4$1,788

Sun 30/1111:30IAD - SYD

2 stops31h 20mQantas Airways

Wed 10/1207:05SYD - IAD

2 stops25h 01mQantas Airways

Deal found 30/4$1,842

Mon 28/717:53IAD - SYD

2 stops26h 42mAir New Zealand

Sat 9/811:50SYD - IAD

2 stops33h 03mAir New Zealand

Deal found 29/4$1,972

Tue 26/812:15IAD - SYD

1 stop31h 10mANA

Tue 9/920:55SYD - IAD

1 stop32h 40mANA

Deal found 30/4$2,003

Tue 21/1011:30IAD - SYD

2 stops34h 15mMultiple Airlines

Thu 13/1106:00SYD - IAD

2 stops32h 18mMultiple Airlines

Deal found 29/4$2,025

Sun 16/1109:55IAD - SYD

3 stops31h 40mAir Canada

Wed 26/1111:20SYD - IAD

2 stops39h 56mAir Canada

Deal found 30/4$2,219

Tue 8/720:19IAD - SYD

2 stops33h 26mAlaska Airlines

Tue 5/821:40SYD - IAD

2 stops32h 45mAlaska Airlines

Deal found 29/4$2,234

Mon 13/1013:30IAD - SYD

2 stops39h 30mTurkish Airlines

Fri 17/1021:55SYD - IAD

2 stops52h 50mTurkish Airlines

Deal found 29/4$2,237

Tue 8/711:49IAD - SYD

2 stops29h 41mAmerican Airlines

Wed 6/810:25SYD - IAD

2 stops26h 36mAmerican Airlines

Deal found 29/4$2,386

Thu 12/608:10IAD - SYD

2 stops38h 05mFiji Airways

Sat 21/613:45SYD - IAD

2 stops31h 05mFiji Airways

Deal found 30/4$2,387

Wed 9/717:45IAD - SYD

1 stop23h 15mUnited Airlines

Tue 5/809:30SYD - IAD

1 stop25h 25mUnited Airlines

Deal found 29/4$2,433

Best flights from Dulles Intl to Sydney
Discover carefully curated flight deals from Dulles Intl to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Fri 20/613:00IAD - SYD

2 stops27h 35mDelta

Wed 9/709:25SYD - IAD

2 stops22h 59mDelta

Deal found 30/4$1,788

Mon 28/717:53IAD - SYD

2 stops26h 42mAir New Zealand

Sat 9/811:50SYD - IAD

2 stops33h 03mAir New Zealand

Deal found 29/4$1,972

Tue 26/812:15IAD - SYD

1 stop31h 10mANA

Tue 9/920:55SYD - IAD

1 stop32h 40mANA

Deal found 30/4$2,003

Tue 21/1011:30IAD - SYD

2 stops34h 15mMultiple Airlines

Thu 13/1106:00SYD - IAD

2 stops32h 18mMultiple Airlines

Deal found 29/4$2,025

Sun 26/1009:55IAD - SYD

3 stops31h 40mAir Canada

Mon 10/1111:20SYD - IAD

2 stops36h 15mAir Canada

Deal found 29/4$2,228

Tue 8/720:19IAD - SYD

2 stops33h 26mAlaska Airlines

Tue 5/821:40SYD - IAD

2 stops32h 45mAlaska Airlines

Deal found 29/4$2,234

Mon 13/1013:30IAD - SYD

2 stops39h 30mTurkish Airlines

Fri 17/1021:55SYD - IAD

2 stops52h 50mTurkish Airlines

Deal found 29/4$2,237

Sun 21/917:36IAD - SYD

1 stop23h 19mQantas Airways

Mon 6/1013:10SYD - IAD

1 stop24h 12mQantas Airways

Deal found 28/4$2,264

Tue 8/711:49IAD - SYD

2 stops29h 41mAmerican Airlines

Wed 6/810:25SYD - IAD

2 stops26h 36mAmerican Airlines

Deal found 29/4$2,386

Thu 12/608:10IAD - SYD

2 stops38h 05mFiji Airways

Sat 21/613:45SYD - IAD

2 stops31h 05mFiji Airways

Deal found 30/4$2,387

Wed 9/717:45IAD - SYD

1 stop23h 15mUnited Airlines

Tue 5/809:30SYD - IAD

1 stop25h 25mUnited Airlines

Deal found 29/4$2,433

Last-minute flights from Dulles Intl to Sydney
Discover last-minute flight deals from Dulles Intl to Sydney. Data last updated 30 April 2025 and is based on user searches.

Sun 4/506:00IAD - SYD

2 stops34h 35mDelta

Sun 18/509:25SYD - IAD

2 stops23h 22mDelta

Deal found 30/4$2,201

Sun 4/510:55IAD - SYD

1 stop29h 10mEmirates

Fri 13/609:50SYD - IAD

2 stops36h 50mEmirates

Deal found 29/4$2,679

Mon 5/517:38IAD - SYD

2 stops46h 32mMultiple Airlines

Mon 12/507:40SYD - IAD

2 stops46h 20mMultiple Airlines

Deal found 29/4$2,568

Mon 5/510:55IAD - SYD

1 stop45h 10mEmirates

Fri 13/609:50SYD - IAD

2 stops36h 50mEmirates

Deal found 29/4$2,679

Mon 5/517:25IAD - SYD

2 stops50h 55mAustrian Airlines

Thu 12/614:50SYD - IAD

2 stops37h 45mAustrian Airlines

Deal found 28/4$2,743

Mon 5/515:18IAD - SYD

2 stops50h 02mAir Canada

Tue 17/609:20SYD - IAD

2 stops42h 22mAir Canada

Deal found 29/4$2,873

Mon 5/517:45IAD - SYD

1 stop23h 15mAir New Zealand

Mon 12/518:20SYD - IAD

2 stops43h 38mAir New Zealand

Deal found 29/4$3,098

Mon 5/506:00IAD - SYD

2 stops35h 30mAsiana Airlines

Sat 14/609:30SYD - IAD

2 stops35h 09mAsiana Airlines

Deal found 29/4$3,995

Tue 6/509:20IAD - SYD

2 stops31h 15mDelta

Tue 20/509:25SYD - IAD

2 stops28h 10mDelta

Deal found 30/4$2,201

Tue 6/521:40IAD - SYD

2 stops31h 20mTurkish Airlines

Tue 27/520:55SYD - IAD

2 stops52h 50mTurkish Airlines

Deal found 29/4$2,239

Tue 6/512:15IAD - SYD

1 stop41h 00mANA

Tue 27/511:50SYD - IAD

1 stop36h 15mANA

Deal found 29/4$2,453

Tue 6/517:38IAD - SYD

3 stops48h 42mAir Tahiti Nui

Tue 27/507:10SYD - IAD

3 stops47h 04mAir Tahiti Nui

Deal found 29/4$3,624

One-way flights from Dulles Intl to Sydney
Search for one-way flight options from Dulles Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Sat 2/812:27IAD - SYD

2 stops43h 43mMultiple Airlines

Deal found 29/4$788

Tue 6/517:38IAD - SYD

2 stops36h 07mAlaska Airlines

Deal found 29/4$1,171

Wed 27/812:15IAD - SYD

1 stop41h 00mANA

Deal found 29/4$1,213

Wed 28/511:00IAD - SYD

1 stop41h 00mAir India

Deal found 30/4$1,376

Wed 25/613:08IAD - SYD

2 stops28h 22mAmerican Airlines

Deal found 30/4$1,379

Mon 20/1008:20IAD - SYD

3 stops32h 35mUnited Airlines

Deal found 29/4$1,415

Sat 2/818:44IAD - SYD

1 stop22h 11mQantas Airways

Deal found 29/4$1,432

Sat 26/712:38IAD - SYD

1 stop28h 22mVirgin Australia

Deal found 29/4$1,574

Wed 28/509:45IAD - SYD

3 stops31h 35mAir Canada

Deal found 30/4$1,922

Tue 10/619:25IAD - SYD

3 stops29h 45mAir Tahiti Nui

Deal found 29/4$2,114

Thu 21/813:30IAD - SYD

1 stop26h 50mKorean Air

Deal found 29/4$8,537

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 20/6

13:00-06:35

2 stops27h 35m

Sydney Kingsford Smith

Wed 9/7

09:25-18:24

2 stops22h 59m

$1,788

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 28/7

17:53-10:35

2 stops26h 42m

Sydney Kingsford Smith

Sat 9/8

11:50-06:53

2 stops33h 03m

$1,972

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 26/8

12:15-09:25

1 stop31h 10m

Sydney Kingsford Smith

Tue 9/9

20:55-15:35

1 stop32h 40m

$2,003

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 21/10

11:30-12:45

2 stops34h 15m

Sydney Kingsford Smith

Thu 13/11

06:00-22:18

2 stops32h 18m

$2,025

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 26/10

09:55-08:35

3 stops31h 40m

Sydney Kingsford Smith

Mon 10/11

11:20-07:35

2 stops36h 15m

$2,228

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 8/7

20:19-19:45

2 stops33h 26m

Sydney Kingsford Smith

Tue 5/8

21:40-16:25

2 stops32h 45m

$2,234

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 13/10

13:30-20:00

2 stops39h 30m

Sydney Kingsford Smith

Fri 17/10

21:55-11:45

2 stops52h 50m

$2,237

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 21/9

17:36-06:55

1 stop23h 19m

Sydney Kingsford Smith

Mon 6/10

13:10-22:22

1 stop24h 12m

$2,264

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 8/7

11:49-07:30

2 stops29h 41m

Sydney Kingsford Smith

Wed 6/8

10:25-23:01

2 stops26h 36m

$2,386

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 12/6

08:10-12:15

2 stops38h 05m

Sydney Kingsford Smith

Sat 21/6

13:45-06:50

2 stops31h 05m

$2,387

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 22 results

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Sydney

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Sydney is 80 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?

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

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

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 a feel of what it's like to fly with Air Tahiti Nui, Korean Air and ANA 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.

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

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.

Air Tahiti Nui

8.8

Very Good

62 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Korean Air

8.4

Very Good

1,068 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.3

Very Good

852 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Fiji Airways

8.1

Very Good

190 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Delta

8.0

Very Good

7,934 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Related info for your journey

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 $1,788, Delta will fly you from Washington, D.C. Dulles Intl Airport to Sydney and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air New Zealand and ANA - these airlines can fly you to your destination from $1,972 and $2,003, respectively. Users have found that Delta is 12% 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 ($1,171), ANA ($1,213), and Air India ($1,376).
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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Penrith

Coogee

Randwick

Terrigal

Cronulla

Lithgow

Bondi Beach

Leura

Swansea

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Sydney

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Other flights to Sydney

Top 2 airlines flying from Dulles Intl to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$1,871	Average$2,233	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest$2,240	Average$2,435	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dulles Intl to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney from $788

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Sydney Kingsford Smith are usually found in February or April, booked 80 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Dulles Intl to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Sydney

Cheapest flights from Dulles Intl to SydneyExplore 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 30 April 2025.

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 30 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sydney that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Sydney

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 25 April 2025.

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

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 30 April 2025.

Rainfall in Sydney by month

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

Temperature in Sydney by month

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

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 30 April 2025.

Get a feel of what it's like to fly with Air Tahiti Nui, Korean Air and ANA 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.

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?

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

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

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

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

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

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

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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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 30 April 2025.