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Cheap flights from Sydney to Washington, D.C. 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — WAS
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Washington, D.C. are usually found in February or March, booked 42 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 29 April 2025.

Round-trip from

$1,944

One-way from

$788

Popular in

December

Cheapest in

February

Average price

$2,223
United Airlines
  • United Airlines
  • 1/6-14/6
  • 3 total stops
  • 57h 47m total
  • Sydney to Washington, D.C.
5/6
  • 5/6
  • 2 total stops
  • 51h 35m total
  • Sydney to Washington, D.C.
Highest demand for flights based on searches. 9% potential increase in price ($328 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($89 potential savings vs. average return price).
Average for round-trip flights in April 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 29 April 2025.

Sun 1/610:20SYD - BWI
1 stop33h 14mUnited Airlines
Sat 14/616:22BWI - SYD
2 stops24h 33mUnited Airlines
Deal found 28/4$1,944
Mon 13/1010:20SYD - IAD
2 stops25h 45mAir Canada
Wed 29/1009:55IAD - SYD
2 stops31h 40mAir Canada
Deal found 28/4$1,966
Sun 1/609:25SYD - BWI
2 stops25h 18mDelta
Sat 14/616:45BWI - SYD
2 stops23h 50mDelta
Deal found 28/4$1,973
Tue 20/511:50SYD - IAD
1 stop36h 15mANA
Tue 31/312:15IAD - SYD
1 stop41h 00mANA
Deal found 29/4$2,026
Tue 10/617:45SYD - IAD
1 stop36h 29mMultiple Airlines
Wed 2/717:25IAD - SYD
2 stops55h 15mMultiple Airlines
Deal found 28/4$2,055
Tue 20/520:55SYD - DCA
2 stops31h 16mANA
Sat 28/214:00DCA - SYD
2 stops38h 15mANA
Deal found 28/4$2,069
Tue 10/611:50SYD - IAD
2 stops26h 55mAir New Zealand
Mon 30/612:35IAD - SYD
2 stops30h 10mAir New Zealand
Deal found 28/4$2,108
Thu 5/608:55SYD - DCA
2 stops45h 27mJapan Airlines
Thu 26/606:00DCA - SYD
2 stops34h 20mJapan Airlines
Deal found 27/4$2,108
Tue 13/507:55SYD - IAD
1 stop41h 20mKorean Air
Thu 28/813:30IAD - SYD
1 stop26h 50mKorean Air
Deal found 29/4$2,115
Tue 17/621:40SYD - IAD
2 stops33h 33mAlaska Airlines
Tue 24/620:19IAD - SYD
2 stops33h 26mAlaska Airlines
Deal found 27/4$2,147
Thu 5/613:15SYD - BWI
3 stops30h 55mMultiple Airlines
Thu 12/614:08BWI - SYD
3 stops32h 07mMultiple Airlines
Deal found 29/4$2,154
Mon 9/617:45SYD - DCA
1 stop41h 14mMultiple Airlines
Mon 30/609:59DCA - SYD
1 stop31h 31mMultiple Airlines
Deal found 28/4$2,162

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 29 April 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

Sun 1/6

10:20-05:34

1 stop33h 14m

Baltimore/Washington

Sat 14/6

16:22-06:55

2 stops24h 33m

$1,944

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 13/10

10:20-21:05

2 stops25h 45m

Washington, D.C. Dulles Intl

Wed 29/10

09:55-08:35

2 stops31h 40m

$1,966

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Sun 1/6

09:25-22:45

2 stops27h 20m

Baltimore/Washington

Sat 14/6

11:51-06:35

2 stops28h 44m

$1,973

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 20/5

11:50-10:05

1 stop36h 15m

Washington, D.C. Dulles Intl

Tue 31/3

12:15-20:15

1 stop41h 00m

$2,026

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 10/6

17:45-16:14

1 stop36h 29m

Washington, D.C. Dulles Intl

Wed 2/7

17:25-14:40

2 stops55h 15m

$2,055

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Tue 20/5

20:55-14:11

2 stops31h 16m

Washington, D.C. Reagan-National

Sat 28/2

14:00-20:15

2 stops38h 15m

$2,069

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 10/6

11:50-00:45

2 stops26h 55m

Washington, D.C. Dulles Intl

Mon 30/6

12:35-08:45

2 stops30h 10m

$2,108

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Thu 5/6

08:55-16:22

2 stops45h 27m

Washington, D.C. Reagan-National

Thu 26/6

06:00-06:20

2 stops34h 20m

$2,108

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 13/5

07:55-11:15

1 stop41h 20m

Washington, D.C. Dulles Intl

Thu 28/8

13:30-06:20

1 stop26h 50m

$2,115

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 17/6

21:40-17:13

2 stops33h 33m

Washington, D.C. Dulles Intl

Tue 24/6

20:19-19:45

2 stops33h 26m

$2,147

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 60 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 25 April 2025.

Booking 42 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 29 April 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.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 29 April 2025.
To help decide which airline to fly from Sydney to Washington, D.C., see what other customers have to say about Air Tahiti Nui, Korean Air and Japan 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.

Boarding

8.7

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Entertainment

7.3

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.

Boarding

8.7

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Entertainment

7.3

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.

Boarding

8.7

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Entertainment

7.3

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.

Boarding

8.7

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Entertainment

7.3

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.
8.3
Very Good

Boarding

8.7

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Entertainment

7.3

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.

Boarding

8.7

Crew

9.1

Comfort

8.1

Food

7.8

Overall

8.8

Entertainment

7.3

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.

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.

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

    According to our current data, United Airlines ($1,944), Delta ($1,973), and ANA ($2,044) offers the cheapest pricing from Sydney to Washington, D.C.. United Airlines is currently priced 5% 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?

    $1,034 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 Alaska Airlines, with prices starting from $1,051 and $1,291, 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

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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 29 April 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$640Average$1,847FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,138Average$2,079FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qantas AirwaysCheapest$1,156Average$1,952FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,324Average$1,941FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,739Average$2,277FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,928Average$2,656FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
ANACheapest$1,959Average$2,158FlexibilityNo cancel feeOn-time80%
Search ANA 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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