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Cheap flights from Sydney to Washington, D.C. from $658

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — WAS
9 Mar — 16 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Washington, D.C.
Explore the most affordable flight options available from Sydney to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 February 2026.

Tue 28/409:20
SYD
-
DCA
2 stops40h 41m
Air Canada
Wed 3/612:45
DCA
-
SYD
2 stops52h 35m
Air Canada
Deal found 4/2$1,228
Tue 10/211:20
SYD
-
IAD
2 stops44h 53m
Air Canada
Wed 25/212:33
IAD
-
SYD
2 stops29h 02m
Air Canada
Deal found 5/2$1,236
Sat 12/909:20
SYD
-
IAD
2 stops25h 05m
Air Canada
Fri 25/909:45
IAD
-
SYD
2 stops31h 35m
Air Canada
Deal found 5/2$1,369
Tue 24/211:20
SYD
-
IAD
2 stops44h 51m
Air Canada
Wed 4/313:13
IAD
-
SYD
2 stops52h 22m
Air Canada
Deal found 5/2$1,374
Sat 21/211:20
SYD
-
IAD
2 stops25h 34m
Air Canada
Tue 10/309:55
IAD
-
SYD
2 stops31h 40m
Air Canada
Deal found 4/2$1,377
Thu 12/211:20
SYD
-
IAD
2 stops44h 51m
Air Canada
Wed 18/216:30
IAD
-
SYD
2 stops49h 05m
Air Canada
Deal found 6/2$1,390
Tue 10/211:20
SYD
-
IAD
2 stops26h 05m
Air Canada
Tue 24/212:33
IAD
-
SYD
2 stops29h 02m
Air Canada
Deal found 5/2$1,422
Tue 10/211:20
SYD
-
DCA
2 stops27h 15m
Air Canada
Wed 25/209:40
DCA
-
SYD
2 stops31h 55m
Air Canada
Deal found 5/2$1,424
Tue 24/211:20
SYD
-
IAD
2 stops26h 03m
Air Canada
Tue 10/309:55
IAD
-
SYD
2 stops31h 40m
Air Canada
Deal found 4/2$1,445
Sun 19/709:20
SYD
-
IAD
2 stops44h 09m
Air Canada
Tue 28/709:45
IAD
-
SYD
2 stops31h 35m
Air Canada
Deal found 5/2$1,450
Sat 21/211:20
SYD
-
IAD
2 stops25h 34m
Air Canada
Wed 11/309:55
IAD
-
SYD
2 stops31h 40m
Air Canada
Deal found 4/2$1,451
Mon 7/1216:00
SYD
-
IAD
2 stops45h 00m
Air Canada
Sun 27/1217:15
IAD
-
SYD
2 stops48h 20m
Air Canada
Deal found 5/2$1,454

Find flight deals from Sydney to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Washington, D.C. (WAS). 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 7 February 2026.

Round-trip from

$1,228

One-way from

$658

Popular in

April

Cheapest in

February

Average price

$1,213
Air Canada
  • Air Canada
  • 28/4-3/6
  • 4 total stops
  • 93h 16m total
  • Sydney to Washington, D.C.
Search Deals
18/4
  • 18/4
  • 3 total stops
  • 33h 41m total
  • Sydney to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($239 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($67 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Washington, D.C. 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 7 February 2026.
Use the filters below to find and compare flights from Sydney to Washington, D.C. that are best for you.

Fly from

Sydney

Fly to

Washington, D.C.

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 24/2

11:20-16:11

2 stops44h 51m

Washington, D.C. Dulles Intl

Wed 4/3

13:13-09:35

2 stops52h 22m

$1,374

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Sun 19/7

09:20-12:00

2 stops40h 40m

Washington, D.C. Reagan-National

Tue 28/7

12:55-07:20

2 stops28h 25m

$1,504

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 23/3

10:25-11:46

2 stops40h 21m

Washington, D.C. Dulles Intl

Mon 30/3

08:15-08:20

2 stops57h 05m

$1,517

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 16/7

09:20-06:22

1 stop35h 02m

Washington, D.C. Dulles Intl

Sun 26/7

16:25-07:20

2 stops24h 55m

$1,573

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Thu 16/7

09:10-18:03

2 stops22h 53m

Washington, D.C. Reagan-National

Sun 26/7

08:40-07:05

1 stop32h 25m

$1,633

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 16/7

12:00-18:31

1 stop20h 31m

Washington, D.C. Dulles Intl

Sun 26/7

06:10-07:05

1 stop34h 55m

$1,643

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Wed 25/2

14:05-19:46

1 stop21h 41m

Washington, D.C. Reagan-National

Tue 7/4

17:00-07:05

2 stops24h 05m

$1,643

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Thu 16/7

12:00-19:22

1 stop21h 22m

Baltimore/Washington

Sun 26/7

19:13-06:55

1 stop21h 42m

$1,655

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 23/3

11:50-20:59

2 stops24h 09m

Washington, D.C. Reagan-National

Mon 30/3

15:05-08:00

2 stops25h 55m

$1,659

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Thu 16/7

09:15-18:20

2 stops23h 05m

Washington, D.C. Reagan-National

Sun 26/7

12:59-06:50

2 stops27h 51m

$1,659

Flights are sorted by cheapest return flights first.

Deals found on 5/2

Showing 1-10 of 59 results
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Best time to book a flight from Sydney to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a return flight from Sydney to Washington, D.C.. Price data was last updated on 30 January 2026.

Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Washington, D.C.. 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.?

Currently, March is the cheapest month in which you can book a flight from Sydney to Washington, D.C. (average of $902). Flying from Sydney to Washington, D.C. in April is currently the most expensive (average of $1,715). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to Washington, D.C.?

What’s the top stopover airport for flights from Sydney to Washington, D.C.?

Share of one-stop return flights from Sydney to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same stopover each way.

San Francisco (SFO) – chosen by Cheapflights users on 47% of one-stop itineraries from Sydney to Washington, D.C. on Cheapflights.

What’s the cheapest stopover airport for flights from Sydney to Washington, D.C.?

Average return fare for one-stop flights from Sydney to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Nadi (NAN) is the most affordable one-stop option, with an average return flight price of $924.

What’s the fastest stopover option from Sydney to Washington, D.C.?

Shortest average travel time for one-stop one-way flights from Sydney to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Nadi (NAN) have the shortest average one-way travel time for one-stop routes: 17h 00m.

Which airport typically offers the quickest stopover for flights from Sydney to Washington, D.C.?

Average stopover duration for one-stop one-way flights from Sydney to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 40m.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 7 February 2026.
Read through reviews of airlines operating flights from Sydney to Washington, D.C., such as Air New Zealand, Virgin Australia, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
580 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air New Zealand
8.0
Very Good
580 reviews
Air New Zealand
8.0
Very Good
580 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Virgin Australia
7.6
Good
436 reviews
Air New Zealand
8.0
Very Good
580 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Qantas Airways
7.5
Good
987 reviews
Air New Zealand
8.0
Very Good
580 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
United Airlines
7.4
Good
9,245 reviews
Air New Zealand
8.0
Very Good
580 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air Canada
7.1
Good
10,697 reviews
Air New Zealand
8.0
Very Good
580 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Crew

8.5

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

Related info for your journey

Find useful and relevant information for your journey from Sydney to Washington, D.C.. 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.?

    If you book a flight to Washington, D.C. from Sydney, you will be flying from 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 Kingsford Smith to Washington, D.C. per day from 6 different airlines.

  • How long is the flight from Sydney to Washington, D.C.?

    Departing from Sydney to Washington, D.C. will take you 21h 22m. Sydney and Washington, D.C. are separated by a distance of 15741 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    According to our current data, Qantas Airways ($799), American Airlines ($1,108), and Air Canada ($1,237) offers the cheapest pricing from Sydney to Washington, D.C.. Qantas Airways is currently priced 52% below the average price you’ll pay for this route.

  • What are the most popular routes from Sydney to Washington, D.C.?

    The most popular flight routes from Sydney to Washington, D.C. are Sydney Kingsford Smith - Washington, D.C. Dulles Intl, Sydney Kingsford Smith - Washington, D.C. Reagan-National and Sydney Kingsford Smith - Baltimore/Washington.

  • Can I find deals for flights from Sydney to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Sydney to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Washington, D.C.?

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

  • Can I find deals for business class flights from Sydney to Washington, D.C.?

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

    Currently, March is the cheapest month in which you can book a flight from Sydney to Washington, D.C. (average of $902). Flying from Sydney to Washington, D.C. in April is currently the most expensive (average of $1,715). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Linthicum Heights

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Fly from Sydney to Washington, D.C. on these airlines

Choose from the following airlines for your flight from Sydney to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 7 February 2026.
United Airlines flights from Sydney Kingsford Smith to Washington, D.C.
Air Canada flights from Sydney Kingsford Smith to Washington, D.C.

Top 6 airlines flying from Sydney to Washington, D.C.

Discover the top 6 airlines that operate flights from Sydney to Washington, D.C.. 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 7 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$799Average$1,631FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,108Average$1,799FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$1,182Average$1,933FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,237Average$1,669FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,409Average$1,606FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Virgin AustraliaCheapest$1,740Average$2,620FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Washington, D.C.?

Cheapflights makes it easy to find Sydney to Washington, D.C. flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Washington, D.C.?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Washington, D.C. for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Sydney to Washington, D.C. with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Washington, D.C., users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Sydney to Washington, D.C. become cheaper?

Yes, Cheapflights offers price alerts on Sydney to Washington, D.C. flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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