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

Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Sydney is British Airways. Our recent data shows that you can find tickets from as low as $860 on this airline. Additional options worth looking into are American Airlines and Qantas Airways, starting at $862 and $928 round-trip. Users have found that British Airways is 38% 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 cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $415. However, be on the lookout for offers from Qantas Airways and Air Canada, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Sydney for a low price.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Sydney?

American Airlines, Air Canada and Alaska Airlines are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Sydney.

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

Sunday flights are found to be more expensive to fly from Washington, D.C. Dulles Intl Airport to Sydney. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

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

February is one of the best times of the year to fly to Sydney from Washington, D.C. Dulles Intl Airport. Prices for February average $1,351 per person but you can even find prices for as low as $845. The most expensive prices can be found in the month of December. Opting for a February flight can save you 36% on your journey compared to booking in December

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Sydney flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Sydney from Washington, D.C. Dulles Intl?

Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Sydney. You should not have trouble finding flights to Kingsford Smith from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Sydney airport from Washington, D.C. Dulles Intl. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

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 vacation 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.

$415+ Flights from Washington, D.C. Dulles Intl Airport to Sydney

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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The best prices from Washington, D.C. Dulles Intl to Sydney Kingsford Smith are usually found in February or March, booked 49 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Dulles Intl to Sydney

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$860 (Flighttix)
One-way from	$415 (American Airlines)
Popular in	December
Cheapest in	February
Average price	$1,677

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Sydney Kingsford Smith flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Sydney Kingsford Smith flights.

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From Washington, D.C. Dulles Intl to Sydney Kingsford Smith

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One-way flight from Washington, D.C. Dulles Intl to Sydney Kingsford Smith

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High demand for flights, 15% potential price rise

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Best time to find cheap flights, 2% potential price drop

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Average for round-trip flights in January 2025

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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 January 17, 2025.

Tue 2/41:52 pmIAD - SYD

2 stops24h 43mBritish Airways

Thu 2/2011:50 amSYD - IAD

1 stop26h 43mBritish Airways

Deal found 1/16

$860

Thu 2/61:53 pmIAD - SYD

2 stops24h 42mAmerican Airlines

Fri 3/711:50 amSYD - IAD

1 stop26h 30mAmerican Airlines

Deal found 1/15

$862

Sat 3/155:20 pmIAD - SYD

1 stop22h 15mQantas Airways

Thu 3/276:05 amSYD - IAD

2 stops25h 15mQantas Airways

Deal found 1/16

$928

Sat 5/175:26 pmIAD - SYD

2 stops28h 19mMultiple Airlines

Sat 6/71:45 pmSYD - IAD

2 stops22h 50mMultiple Airlines

Deal found 1/16

$1,221

Mon 4/281:52 pmIAD - SYD

2 stops27h 28mAir Canada

Wed 5/219:20 amSYD - IAD

2 stops36h 24mAir Canada

Deal found 1/15

$1,222

Thu 3/65:18 pmIAD - SYD

3 stops34h 27mAlaska Airlines

Sun 3/99:40 pmSYD - IAD

2 stops33h 38mAlaska Airlines

Deal found 1/16

$1,254

Tue 5/612:15 pmIAD - SYD

1 stop31h 10mANA

Mon 6/28:55 pmSYD - IAD

1 stop27h 40mANA

Deal found 1/16

$1,413

Sun 3/162:30 pmIAD - SYD

2 stops37h 30mTurkish Airlines

Tue 4/110:05 pmSYD - IAD

2 stops36h 40mTurkish Airlines

Deal found 1/16

$1,431

Best flights from Dulles Intl to Sydney
Discover carefully curated flight deals from Dulles Intl to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 17, 2025.

Tue 2/41:52 pmIAD - SYD

2 stops24h 43mBritish Airways

Thu 2/2011:50 amSYD - IAD

1 stop26h 43mBritish Airways

Deal found 1/16

$860

Thu 2/61:53 pmIAD - SYD

2 stops24h 42mAmerican Airlines

Fri 3/711:50 amSYD - IAD

1 stop26h 30mAmerican Airlines

Deal found 1/15

$862

Sat 3/155:20 pmIAD - SYD

1 stop22h 15mQantas Airways

Thu 3/276:05 amSYD - IAD

2 stops25h 15mQantas Airways

Deal found 1/16

$928

Sat 5/175:26 pmIAD - SYD

2 stops28h 19mMultiple Airlines

Sat 6/71:45 pmSYD - IAD

2 stops22h 50mMultiple Airlines

Deal found 1/16

$1,221

Mon 4/281:52 pmIAD - SYD

2 stops27h 28mAir Canada

Wed 5/219:20 amSYD - IAD

2 stops36h 24mAir Canada

Deal found 1/15

$1,222

Thu 3/65:18 pmIAD - SYD

3 stops34h 27mAlaska Airlines

Sun 3/99:40 pmSYD - IAD

2 stops33h 38mAlaska Airlines

Deal found 1/16

$1,254

Tue 5/612:15 pmIAD - SYD

1 stop31h 10mANA

Mon 6/28:55 pmSYD - IAD

1 stop27h 40mANA

Deal found 1/16

$1,413

Sun 3/162:30 pmIAD - SYD

2 stops37h 30mTurkish Airlines

Tue 4/110:05 pmSYD - IAD

2 stops36h 40mTurkish Airlines

Deal found 1/16

$1,431

Sun 4/136:05 pmIAD - SYD

1 stop22h 50mUnited Airlines

Sun 4/2010:20 amSYD - IAD

1 stop28h 49mUnited Airlines

Deal found 1/16

$1,554

Wed 4/302:15 pmIAD - SYD

1 stop26h 40mAir New Zealand

Wed 5/711:50 amSYD - IAD

2 stops31h 54mAir New Zealand

Deal found 1/15

$1,607

Last-minute flights from Dulles Intl to Sydney
Discover last-minute flight deals from Dulles Intl to Sydney. Data last updated January 17, 2025 and is based on user searches.

Wed 1/226:57 pmIAD - SYD

2 stops32h 48mAlaska Airlines

Tue 1/289:40 pmSYD - IAD

2 stops34h 43mAlaska Airlines

Deal found 1/16

$2,074

Thu 1/239:15 amIAD - SYD

2 stops30h 10mAmerican Airlines

Mon 1/2711:50 amSYD - IAD

2 stops28h 08mAmerican Airlines

Deal found 1/15

$868

Thu 1/235:04 pmIAD - SYD

2 stops27h 56mMultiple Airlines

Tue 1/282:00 pmSYD - IAD

2 stops24h 41mMultiple Airlines

Deal found 1/16

$1,735

Thu 1/238:18 amIAD - SYD

2 stops33h 17mAir Canada

Mon 1/2711:20 amSYD - IAD

3 stops40h 10mAir Canada

Deal found 1/15

$1,920

Thu 1/238:45 amIAD - SYD

1 stop32h 20mAir New Zealand

Thu 1/3011:45 amSYD - IAD

2 stops33h 28mAir New Zealand

Deal found 1/16

$1,988

Thu 1/2311:05 amIAD - SYD

1 stop41h 10mANA

Mon 1/279:45 pmSYD - IAD

1 stop27h 25mANA

Deal found 1/15

$2,038

Sat 1/258:45 amIAD - SYD

1 stop32h 20mUnited Airlines

Tue 2/1112:10 pmSYD - IAD

1 stop23h 17mUnited Airlines

Deal found 1/16

$1,904

Sun 1/265:04 pmIAD - SYD

2 stops25h 16mQantas Airways

Wed 2/511:50 amSYD - IAD

1 stop20h 24mQantas Airways

Deal found 1/16

$1,031

Sun 1/268:05 pmIAD - SYD

1 stop30h 45mQatar Airways

Mon 2/39:40 pmSYD - IAD

1 stop34h 15mQatar Airways

Deal found 1/16

$2,716

Sun 2/25:25 pmIAD - SYD

3 stops34h 20mAlaska Airlines

Sun 2/99:40 pmSYD - IAD

2 stops34h 43mAlaska Airlines

Deal found 1/16

$1,294

Tue 2/41:52 pmIAD - SYD

2 stops24h 43mBritish Airways

Thu 2/2011:50 amSYD - IAD

1 stop26h 43mBritish Airways

Deal found 1/16

$860

Thu 2/61:53 pmIAD - SYD

2 stops24h 42mAmerican Airlines

Fri 3/711:50 amSYD - IAD

1 stop26h 30mAmerican Airlines

Deal found 1/15

$862

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 January 17, 2025.

Wed 1/296:10 amIAD - SYD

1 stop32h 25mAmerican Airlines

Deal found 1/15

$415

Tue 2/45:24 pmIAD - SYD

2 stops24h 56mQantas Airways

Deal found 1/16

$458

Sun 3/29:30 pmIAD - SYD

3 stops43h 45mMultiple Airlines

Deal found 1/15

$627

Sun 3/238:24 amIAD - SYD

3 stops33h 11mAir Canada

Deal found 1/15

$776

Sun 2/235:18 pmIAD - SYD

3 stops34h 27mAlaska Airlines

Deal found 1/15

$859

Tue 4/1510:10 pmIAD - SYD

3 stops42h 45mUnited Airlines

Deal found 1/15

$880

Sun 3/211:05 amIAD - SYD

1 stop31h 25mANA

Deal found 1/15

$910

Tue 2/45:45 pmIAD - SYD

1 stop23h 20mAir New Zealand

Deal found 1/16

$1,073

Tue 2/182:00 pmIAD - SYD

2 stops37h 00mTurkish Airlines

Deal found 1/16

$1,137

Wed 2/198:05 pmIAD - SYD

1 stop30h 45mQatar Airways

Deal found 1/16

$1,381

Thu 2/208:05 pmIAD - SYD

2 stops51h 50mSriLankan Airlines

Deal found 1/16

$1,471

Fri 1/246:05 amIAD - SYD

3 stops56h 30mWestJet

Deal found 1/16

$2,591

Find flights from Dulles Intl to Sydney within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 2/4

1:52 pm-6:35 am

2 stops24h 43m

Sydney Kingsford Smith

Thu 2/20

11:50 am-10:33 pm

1 stop26h 43m

$860

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 2/6

1:53 pm-6:35 am

2 stops24h 42m

Sydney Kingsford Smith

Fri 3/7

11:50 am-10:20 pm

1 stop26h 30m

$862

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 3/15

5:20 pm-6:35 am

1 stop22h 15m

Sydney Kingsford Smith

Thu 3/27

6:05 am-4:20 pm

2 stops25h 15m

$928

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 5/17

5:26 pm-11:45 am

2 stops28h 19m

Sydney Kingsford Smith

Sat 6/7

1:45 pm-10:35 pm

2 stops22h 50m

$1,221

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 4/28

1:52 pm-7:20 am

2 stops27h 28m

Sydney Kingsford Smith

Wed 5/21

9:20 am-7:44 am

2 stops36h 24m

$1,222

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 3/6

5:18 pm-7:45 pm

3 stops34h 27m

Sydney Kingsford Smith

Sun 3/9

9:40 pm-4:18 pm

2 stops33h 38m

$1,254

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 5/6

12:15 pm-9:25 am

1 stop31h 10m

Sydney Kingsford Smith

Mon 6/2

8:55 pm-10:35 am

1 stop27h 40m

$1,413

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 3/16

2:30 pm-7:00 pm

2 stops37h 30m

Sydney Kingsford Smith

Tue 4/1

10:05 pm-7:45 pm

2 stops36h 40m

$1,431

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 4/13

12:35 pm-6:55 am

1 stop28h 20m

Sydney Kingsford Smith

Mon 4/21

9:30 am-9:19 pm

1 stop25h 49m

$1,554

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 4/30

2:15 pm-6:55 am

1 stop26h 40m

Sydney Kingsford Smith

Wed 5/7

11:50 am-5:44 am

2 stops31h 54m

$1,607

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 23 results

Compare providers for flights from Dulles Intl to Sydney

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Sydney in January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
KAYAK	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Sydney flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Sydney, you should look to book at least 49 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 Washington, D.C. Dulles Intl Airport to Sydney?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sydney (average of $1,051). Flying from Washington, D.C. Dulles Intl Airport to Sydney in December is currently the most expensive (average of $1,643). 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 afternoon, which can drop the price by up to 17% versus a flight in the morning.

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

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

Rainfall in Sydney by month

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

To help decide which airline to fly from Washington, D.C. to Sydney, see what other customers have to say about Qantas Airways, Alaska Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very good

847 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA

8.4

Very good

847 reviews

ANA

8.4

Very good

847 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Emirates

8.1

Very good

3,350 reviews

ANA

8.4

Very good

847 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Alaska Airlines

8.0

Very good

9,681 reviews

ANA

8.4

Very good

847 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Air New Zealand

7.9

Good

485 reviews

ANA

8.4

Very good

847 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Qatar Airways

7.5

Good

3,752 reviews

ANA

8.4

Very good

847 reviews

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Related info for your journey

What airport do you fly into for flights to Sydney from Washington, D.C. Dulles Intl?
Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Sydney. You should not have trouble finding flights to Kingsford Smith from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Sydney airport from Washington, D.C. Dulles Intl. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Sydney round-trip?
Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Sydney is British Airways. Our recent data shows that you can find tickets from as low as $860 on this airline. Additional options worth looking into are American Airlines and Qantas Airways, starting at $862 and $928 round-trip. Users have found that British Airways is 38% 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 cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $415. However, be on the lookout for offers from Qantas Airways and Air Canada, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Sydney for a low price.
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 vacation 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sydney (average of $1,051). Flying from Washington, D.C. Dulles Intl Airport to Sydney in December is currently the most expensive (average of $1,643). 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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Other flights to Sydney

Top 8 airlines flying from Dulles Intl to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$221	Average$426	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$849	Average$925	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$852	Average$1,108	FlexibilityNo cancel fee	On-timeN/A
Qantas Airways	Cheapest$878	Average$1,400	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$942	Average$1,275	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$990	Average$1,573	FlexibilityNo cancel fee	On-time69%
Air New Zealand	Cheapest$1,341	Average$1,597	FlexibilityNo cancel fee	On-time78%
ANA	Cheapest$1,554	Average$1,847	FlexibilityNo cancel fee	On-time80%

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$415+ Cheap flights from Dulles Intl (IAD) to Sydney (SYD)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Washington, D.C. Dulles Intl to Sydney Kingsford Smith are usually found in February or March, booked 49 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Dulles Intl to Sydney

Most accurate provider

Most trusted provider

Round-trip from

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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 January 17, 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 January 17, 2025.

Find flights from Dulles Intl to Sydney within your budget

Compare providers for flights from Dulles Intl to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Sydney in January.

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.

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 round-trip flight from Dulles Intl to Sydney. Price data was last updated on January 10, 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 January 17, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Sydney. Price data was last updated on December 16, 2024.

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

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?

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

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Alternative routes for Dulles Intl to Sydney

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Top 8 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 January 17, 2025.