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

Flying on Delta is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $1,158. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Air New Zealand, with the lowest prices starting at $1,185 and $1,288, respectively. These flights start at 11% lower than the current average price 3 months from now.

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

The cheapest airlines for a one-way flight from Sydney to Washington, D.C. Dulles Intl Airport are Etihad Airways ($670), Air China ($677), and American Airlines ($809).

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

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

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 89% when planning your travel around this day of the week.

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

February can be a great time to fly to Washington, D.C. Dulles Intl Airport from Sydney with a flight ticket averaging about $1,301. Cheapflights users have found deals in the month of February for as cheap as $646. The most expensive prices can be found in the month of December.

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

Located just 4.6 mi from the city center, Sydney Kingsford Smith is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Sydney. Booking flights from Kingsford Smith (SYD) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 2 different airlines.

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 vacation 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.

$620+ Flights from Sydney to Washington, D.C. Dulles Intl Airport

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 25% on flights from Sydney to Washington, D.C. Dulles Intl Airport compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $892. For sooner than that we have options available in the next 3 days from $1,368.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Sydney to Dulles Intl with Cheapflights

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Tuesday or Monday and return on a Tuesday

Cheap flight deals from Sydney to Dulles Intl

Round-trip from	$1,134 (Air China)
One-way from	$620 (Kiwi.com)
Popular in	December
Cheapest in	March
Average price	$1,351

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($108 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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 June 12, 2025.

Sun 7/277:40 pmSYD - IAD

2 stops49h 13mMultiple Airlines

Sun 8/310:16 pmIAD - SYD

2 stops74h 34mMultiple Airlines

Deal found 6/12

$1,134

Mon 7/149:25 amSYD - IAD

2 stops22h 59mDelta

Sun 7/271:00 pmIAD - SYD

2 stops27h 35mDelta

Deal found 6/12

$1,158

Thu 8/219:40 pmSYD - IAD

2 stops33h 07mAlaska Airlines

Fri 8/295:52 pmIAD - SYD

2 stops35h 53mAlaska Airlines

Deal found 6/9

$1,185

Wed 8/138:45 amSYD - IAD

2 stops27h 33mAir New Zealand

Tue 8/265:55 pmIAD - SYD

2 stops24h 50mAir New Zealand

Deal found 6/12

$1,288

Fri 8/159:10 amSYD - IAD

2 stops23h 50mAmerican Airlines

Mon 8/2511:51 amIAD - SYD

1 stop29h 04mAmerican Airlines

Deal found 6/11

$1,300

Wed 9/108:55 pmSYD - IAD

1 stop27h 10mANA

Sun 9/1412:15 pmIAD - SYD

1 stop31h 10mANA

Deal found 6/11

$1,328

Sat 10/1110:20 amSYD - IAD

2 stops38h 18mAir Canada

Wed 12/174:35 pmIAD - SYD

2 stops46h 20mAir Canada

Deal found 6/9

$1,343

Fri 8/19:40 pmSYD - IAD

2 stops35h 19mHawaiian Airlines

Thu 8/147:59 pmIAD - SYD

2 stops33h 46mHawaiian Airlines

Deal found 6/11

$1,388

Mon 12/112:10 pmSYD - IAD

1 stop20h 17mUnited Airlines

Mon 1/125:30 pmIAD - SYD

1 stop23h 35mUnited Airlines

Deal found 6/12

$1,460

Thu 8/2110:20 amSYD - IAD

1 stop24h 57mLufthansa

Fri 8/295:40 pmIAD - SYD

1 stop23h 20mLufthansa

Deal found 6/9

$1,518

Fri 7/257:40 pmSYD - IAD

2 stops39h 41mAir China

Fri 8/111:00 pmIAD - SYD

1 stop49h 55mAir China

Deal found 6/10

$1,534

Wed 6/117:55 amSYD - IAD

1 stop41h 20mKorean Air

Wed 6/251:30 pmIAD - SYD

1 stop26h 50mKorean Air

Deal found 6/9

$1,548

Best flights from Sydney to Dulles Intl
Discover carefully curated flight deals from Sydney to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sun 7/277:40 pmSYD - IAD

2 stops49h 13mMultiple Airlines

Sun 8/310:16 pmIAD - SYD

2 stops74h 34mMultiple Airlines

Deal found 6/12

$1,134

Mon 7/149:25 amSYD - IAD

2 stops22h 59mDelta

Sun 7/271:00 pmIAD - SYD

2 stops27h 35mDelta

Deal found 6/12

$1,158

Thu 8/219:40 pmSYD - IAD

2 stops33h 07mAlaska Airlines

Fri 8/295:52 pmIAD - SYD

2 stops35h 53mAlaska Airlines

Deal found 6/9

$1,185

Wed 8/138:45 amSYD - IAD

2 stops27h 33mAir New Zealand

Tue 8/265:55 pmIAD - SYD

2 stops24h 50mAir New Zealand

Deal found 6/12

$1,288

Fri 8/159:10 amSYD - IAD

2 stops23h 50mAmerican Airlines

Mon 8/2511:51 amIAD - SYD

1 stop29h 04mAmerican Airlines

Deal found 6/11

$1,300

Wed 9/108:55 pmSYD - IAD

1 stop27h 10mANA

Sun 9/1412:15 pmIAD - SYD

1 stop31h 10mANA

Deal found 6/11

$1,328

Sat 10/1110:20 amSYD - IAD

2 stops38h 18mAir Canada

Wed 12/174:35 pmIAD - SYD

2 stops46h 20mAir Canada

Deal found 6/9

$1,343

Fri 8/19:40 pmSYD - IAD

2 stops35h 19mHawaiian Airlines

Thu 8/147:59 pmIAD - SYD

2 stops33h 46mHawaiian Airlines

Deal found 6/11

$1,388

Mon 12/111:20 amSYD - IAD

2 stops23h 32mUnited Airlines

Mon 1/126:55 pmIAD - SYD

1 stop22h 10mUnited Airlines

Deal found 6/12

$1,460

Thu 8/2110:20 amSYD - IAD

1 stop24h 57mLufthansa

Fri 8/295:40 pmIAD - SYD

1 stop23h 20mLufthansa

Deal found 6/9

$1,518

Fri 7/257:40 pmSYD - IAD

2 stops39h 41mAir China

Fri 8/111:00 pmIAD - SYD

1 stop49h 55mAir China

Deal found 6/10

$1,534

Tue 8/1910:20 amSYD - IAD

1 stop20h 05mVirgin Australia

Wed 9/35:20 pmIAD - SYD

1 stop23h 35mVirgin Australia

Deal found 6/10

$1,807

Last-minute flights from Sydney to Dulles Intl
Discover last-minute flight deals from Sydney to Dulles Intl. Data last updated June 12, 2025 and is based on user searches.

Sat 6/2111:50 amSYD - IAD

2 stops31h 18mMultiple Airlines

Sat 8/1612:39 pmIAD - SYD

2 stops27h 56mMultiple Airlines

Deal found 6/11

$3,084

Sat 6/2111:50 amSYD - IAD

2 stops33h 37mANA

Sat 8/1612:15 pmIAD - SYD

1 stop31h 10mANA

Deal found 6/11

$3,247

Sat 6/216:00 amSYD - IAD

1 stop40h 40mEmirates

Sat 8/1610:55 amIAD - SYD

1 stop29h 10mEmirates

Deal found 6/11

$15,154

Mon 7/149:25 amSYD - IAD

2 stops22h 59mDelta

Sun 7/271:00 pmIAD - SYD

2 stops27h 35mDelta

Deal found 6/12

$1,158

Mon 7/148:55 pmSYD - IAD

1 stop27h 10mANA

Wed 7/3012:15 pmIAD - SYD

1 stop41h 00mANA

Deal found 6/11

$1,335

Wed 7/169:30 amSYD - IAD

1 stop29h 30mVirgin Australia

Sat 7/265:45 pmIAD - SYD

1 stop23h 15mVirgin Australia

Deal found 6/12

$1,953

Fri 7/189:10 amSYD - IAD

2 stops24h 26mAmerican Airlines

Sun 8/311:49 amIAD - SYD

2 stops29h 16mAmerican Airlines

Deal found 6/10

$1,303

Thu 7/249:40 pmSYD - IAD

2 stops47h 47mAlaska Airlines

Thu 7/318:19 pmIAD - SYD

2 stops57h 26mAlaska Airlines

Deal found 6/10

$1,265

Fri 7/259:40 pmSYD - IAD

2 stops33h 33mHawaiian Airlines

Fri 8/16:13 pmIAD - SYD

2 stops35h 32mHawaiian Airlines

Deal found 6/10

$1,512

Fri 7/257:40 pmSYD - IAD

2 stops39h 41mAir China

Fri 8/111:00 pmIAD - SYD

1 stop49h 55mAir China

Deal found 6/10

$1,534

Fri 7/258:55 pmSYD - IAD

1 stop52h 50mTurkish Airlines

Fri 8/19:40 pmIAD - SYD

1 stop31h 20mTurkish Airlines

Deal found 6/10

$2,253

Sat 7/269:20 amSYD - IAD

2 stops25h 44mAir Canada

Sat 8/210:20 amIAD - SYD

2 stops55h 00mAir Canada

Deal found 6/11

$1,561

One-way flights from Sydney to Dulles Intl
Search for one-way flight options from Sydney to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Wed 7/234:20 pmSYD - IAD

2 stops29h 07mMultiple Airlines

Deal found 6/10

$620

Tue 10/214:40 pmSYD - IAD

1 stop38h 30mEtihad Airways

Deal found 6/11

$670

Thu 7/247:40 pmSYD - IAD

1 stop37h 50mAir China

Deal found 6/11

$677

Thu 6/199:10 amSYD - IAD

2 stops27h 29mAmerican Airlines

Deal found 6/10

$809

Mon 9/110:20 amSYD - IAD

1 stop35h 48mUnited Airlines

Deal found 6/11

$927

Mon 7/710:20 amSYD - IAD

3 stops47h 25mIndiGo

Deal found 6/11

$929

Sun 11/211:20 amSYD - IAD

3 stops48h 19mAir Canada

Deal found 6/10

$984

Fri 7/258:55 pmSYD - IAD

2 stops52h 50mTurkish Airlines

Deal found 6/11

$1,009

Tue 7/89:30 pmSYD - IAD

1 stop23h 20mQantas Airways

Deal found 6/10

$1,056

Tue 6/179:40 pmSYD - IAD

2 stops32h 45mAlaska Airlines

Deal found 6/12

$1,073

Thu 6/269:25 amSYD - IAD

2 stops37h 47mDelta

Deal found 6/12

$1,121

Wed 7/2310:20 amSYD - IAD

1 stop22h 32mVirgin Australia

Deal found 6/11

$1,179

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 7/27

7:40 pm-6:53 am

2 stops49h 13m

Washington, D.C. Dulles Intl

Sun 8/3

10:16 pm-2:50 pm

2 stops74h 34m

$1,134

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 7/14

9:25 am-6:24 pm

2 stops22h 59m

Washington, D.C. Dulles Intl

Sun 7/27

1:00 pm-6:35 am

2 stops27h 35m

$1,158

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 8/21

9:40 pm-4:47 pm

2 stops33h 07m

Washington, D.C. Dulles Intl

Fri 8/29

5:52 pm-7:45 pm

2 stops35h 53m

$1,185

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 8/13

8:45 am-10:18 pm

2 stops27h 33m

Washington, D.C. Dulles Intl

Tue 8/26

5:55 pm-8:45 am

2 stops24h 50m

$1,288

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 8/15

9:10 am-7:00 pm

2 stops23h 50m

Washington, D.C. Dulles Intl

Mon 8/25

11:51 am-6:55 am

1 stop29h 04m

$1,300

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 9/10

8:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Sun 9/14

12:15 pm-9:25 am

1 stop31h 10m

$1,328

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 10/11

10:20 am-9:38 am

2 stops38h 18m

Washington, D.C. Dulles Intl

Wed 12/17

4:35 pm-6:55 am

2 stops46h 20m

$1,343

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 8/1

9:40 pm-6:59 pm

2 stops35h 19m

Washington, D.C. Dulles Intl

Thu 8/14

7:59 pm-7:45 pm

2 stops33h 46m

$1,388

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 12/1

11:20 am-6:52 pm

2 stops23h 32m

Washington, D.C. Dulles Intl

Mon 1/12

6:55 pm-9:05 am

1 stop22h 10m

$1,460

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 8/21

10:20 am-9:17 pm

1 stop24h 57m

Washington, D.C. Dulles Intl

Fri 8/29

5:40 pm-7:00 am

1 stop23h 20m

$1,518

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 30 results

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 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.

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?

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Sydney to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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?

When flying from Sydney to Washington, D.C. Dulles Intl Airport, 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 10% versus a flight at noon.

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Air Tahiti Nui

8.7

Very good

64 reviews

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

8.7

Very good

64 reviews

Air Tahiti Nui

8.7

Very good

64 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Korean Air

8.4

Very good

1,088 reviews

Air Tahiti Nui

8.7

Very good

64 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.3

Very good

882 reviews

Air Tahiti Nui

8.7

Very good

64 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Delta

8.0

Very good

7,950 reviews

Air Tahiti Nui

8.7

Very good

64 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Air New Zealand

8.0

Very good

483 reviews

Air Tahiti Nui

8.7

Very good

64 reviews

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Related info for your journey

What airport do you fly from for flights from Sydney to Washington, D.C. Dulles Intl?
Located just 4.6 mi from the city center, Sydney Kingsford Smith is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Sydney. Booking flights from Kingsford Smith (SYD) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 2 different airlines.
What are the cheapest airlines flying from Sydney to Washington, D.C. Dulles Intl Airport round-trip?
Flying on Delta is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $1,158. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and Air New Zealand, with the lowest prices starting at $1,185 and $1,288, respectively. These flights start at 11% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Sydney to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airlines for a one-way flight from Sydney to Washington, D.C. Dulles Intl Airport are Etihad Airways ($670), Air China ($677), and American Airlines ($809).
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 vacation 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, August is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Sydney to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Sterling

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Sydney to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,240	Average$1,473	FlexibilityNo cancel fee	On-time69%
Virgin Australia	Cheapest$1,709	Average$1,911	FlexibilityNo cancel fee	On-time80%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.

$620+ Cheap flights from Sydney (SYD) to Dulles Intl (IAD)

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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sydney to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Tuesday or Monday and return on a Tuesday

Cheap flight deals from Sydney to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sydney to Dulles Intl

Cheapest flights from Sydney to Dulles IntlExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

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

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.

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 round-trip flight from Sydney to Dulles Intl. Price data was last updated on June 9, 2025.

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

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 June 12, 2025.

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

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?

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

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

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

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

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

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

Traveling to a place near Sydney?

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 Sydney to Dulles Intl

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

Top 2 airlines flying from Sydney to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

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 June 12, 2025.