Cheap flights from Sydney to Washington, D.C. from $673

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — WAS
24 Aug — 31 Aug1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Washington, D.C. are usually found in February or March, booked 47 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap 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 19 August 2025.

Round-trip from

$1,282

One-way from

$673

Popular in

December

Cheapest in

February

Average price

$1,743
United Airlines
  • United Airlines
  • 30/10-7/11
  • 4 total stops
  • 50h 24m total
  • Sydney to Washington, D.C.
15/10
  • 15/10
  • 2 total stops
  • 52h 15m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 9% potential increase in price ($323 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($93 potential savings vs. average return price).
Average for round-trip flights in August 2025

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

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 19 August 2025.

Sun 24/809:10SYD - BWI
2 stops22h 40mAmerican Airlines
Sat 6/916:44BWI - SYD
2 stops24h 21mAmerican Airlines
Deal found 19/8$1,274
Wed 27/809:10SYD - BWI
2 stops22h 40mAmerican Airlines
Sat 6/916:44BWI - SYD
2 stops24h 21mAmerican Airlines
Deal found 17/8$1,279
Sun 24/810:20SYD - BWI
1 stop33h 28mUnited Airlines
Sat 6/910:10BWI - SYD
2 stops30h 50mUnited Airlines
Deal found 19/8$1,280
Thu 30/1012:10SYD - BWI
2 stops25h 31mUnited Airlines
Fri 7/1116:12BWI - SYD
2 stops24h 53mUnited Airlines
Deal found 19/8$1,282
Wed 27/810:20SYD - BWI
1 stop21h 11mUnited Airlines
Sat 6/908:55BWI - SYD
1 stop32h 00mUnited Airlines
Deal found 18/8$1,299
Thu 28/809:10SYD - BWI
2 stops29h 23mAmerican Airlines
Mon 1/913:38BWI - SYD
2 stops27h 27mAmerican Airlines
Deal found 18/8$1,416
Thu 28/809:30SYD - BWI
2 stops27h 15mUnited Airlines
Mon 1/918:55BWI - SYD
1 stop22h 05mUnited Airlines
Deal found 17/8$1,442
Wed 27/810:20SYD - BWI
1 stop21h 11mVirgin Australia
Sat 6/919:00BWI - SYD
1 stop21h 55mVirgin Australia
Deal found 17/8$1,583
Fri 5/908:45SYD - IAD
2 stops29h 10mAir New Zealand
Sat 13/907:00IAD - SYD
2 stops35h 45mAir New Zealand
Deal found 16/8$1,671
Sun 7/921:40SYD - IAD
2 stops40h 43mAlaska Airlines
Mon 15/917:52IAD - SYD
2 stops59h 53mAlaska Airlines
Deal found 18/8$1,726
Sun 31/809:55SYD - DCA
2 stops27h 59mAir New Zealand
Wed 3/916:47DCA - SYD
2 stops25h 58mAir New Zealand
Deal found 18/8$1,795
Sat 6/921:40SYD - IAD
2 stops33h 12mAlaska Airlines
Sun 14/907:00IAD - SYD
2 stops46h 45mAlaska Airlines
Deal found 17/8$1,801

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 19 August 2025.
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

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Thu 30/10

12:10-22:41

2 stops25h 31m

Baltimore/Washington

Fri 7/11

16:12-09:05

2 stops24h 53m

$1,282

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Sat 15/11

11:50-16:02

1 stop20h 12m

Baltimore/Washington

Sat 15/11

18:16-07:00

1 stop44h 44m

$1,442

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 5/9

08:45-23:55

2 stops29h 10m

Washington, D.C. Dulles Intl

Sat 13/9

07:00-08:45

2 stops35h 45m

$1,671

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 30/10

13:55-00:56

2 stops26h 01m

Washington, D.C. Dulles Intl

Fri 7/11

08:30-18:05

2 stops41h 35m

$1,702

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 7/9

21:40-00:23

2 stops40h 43m

Washington, D.C. Dulles Intl

Mon 15/9

17:52-19:45

2 stops59h 53m

$1,726

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Sun 31/8

09:55-23:54

2 stops27h 59m

Washington, D.C. Reagan-National

Wed 3/9

16:47-08:45

2 stops25h 58m

$1,795

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 6/9

21:40-16:52

2 stops33h 12m

Washington, D.C. Dulles Intl

Sun 14/9

07:00-19:45

2 stops46h 45m

$1,801

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 1/10

08:55-00:45

2 stops29h 50m

Washington, D.C. Dulles Intl

Thu 16/10

06:01-08:45

2 stops35h 44m

$1,875

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Thu 30/10

09:55-20:45

2 stops25h 50m

Washington, D.C. Reagan-National

Fri 7/11

14:51-08:45

2 stops25h 54m

$1,875

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 15/9

11:50-00:45

2 stops26h 55m

Washington, D.C. Dulles Intl

Mon 20/10

07:00-08:45

2 stops34h 45m

$1,878

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 55 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 8 August 2025.

Booking 47 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, February is the cheapest month in which you can book a flight from Sydney to Washington, D.C. (average of $1,013). Flying from Sydney to Washington, D.C. in December is currently the most expensive (average of $1,608). 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 WAS?

Find hourly flight availability from Sydney to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

It’s typically best to fly out from Sydney to Washington, D.C. in the morning. Doing so could potentially save you 9% on the flight price compared to flying at midday, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from Sydney to Washington, D.C.. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to Washington, D.C. flight should consider departing on Wednesday at midday 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.

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 42% 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.

Los Angeles (LAX) is the most affordable one-stop option, with an average return flight price of $1,138.

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 Houston (IAH) have the shortest average one-way travel time for one-stop routes: 20h 07m.

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 23m.

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 19 August 2025.
Read through reviews of airlines operating flights from Sydney to Washington, D.C., such as Qantas Airways, Virgin Australia, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.2

Food

6.9

Entertainment

7.2

Comfort

7.4

Boarding

7.7

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Crew

8.2

Food

6.9

Entertainment

7.2

Comfort

7.4

Boarding

7.7

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Crew

8.2

Food

6.9

Entertainment

7.2

Comfort

7.4

Boarding

7.7

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Crew

8.2

Food

6.9

Entertainment

7.2

Comfort

7.4

Boarding

7.7

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Crew

8.2

Food

6.9

Entertainment

7.2

Comfort

7.4

Boarding

7.7

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Crew

8.2

Food

6.9

Entertainment

7.2

Comfort

7.4

Boarding

7.7

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

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 7 different airlines.

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

    Departing from Sydney to Washington, D.C. will take you 25h 31m. 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, American Airlines ($630), Qantas Airways ($1,138), and Air Canada ($1,307) offers the cheapest pricing from Sydney to Washington, D.C.. American Airlines is currently priced 67% below the average price you’ll pay for this route.

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

    $767 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $767 and $945, respectively.

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

  • 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, February is the cheapest month in which you can book a flight from Sydney to Washington, D.C. (average of $1,013). Flying from Sydney to Washington, D.C. in December is currently the most expensive (average of $1,608). 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 19 August 2025.

Top 7 airlines flying from Sydney to Washington, D.C.

Discover the top 7 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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$630Average$1,810FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,138Average$1,976FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,279Average$2,152FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest$1,307Average$1,927FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,525Average$1,720FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
ANACheapest$1,896Average$2,075FlexibilityNo cancel feeOn-time80%
Search ANA flights
Virgin AustraliaCheapest$2,016Average$2,744FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

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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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