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Cheap flights from Sydney to Washington from $691

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
6 May — 13 May1
1 adult

Cheap flight deals from Sydney to Washington

Keep the following information in mind while searching for Sydney to Washington flight deals. Data was last updated 1 May 2025.

Round-trip from

$1,327

One-way from

$691

Popular in

December

Cheapest in

February

Average price

$1,708
American Airlines
  • American Airlines
  • 5/8-31/8
  • 2 total stops
  • 45h 23m total
  • Sydney to Washington
Search Deals
9/5
  • 9/5
  • 1 total stop
  • 17h 30m total
  • Sydney to Washington
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($234 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($74 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Sydney to Washington

Cheapest flights from Sydney to Washington
Explore the most affordable flight options available from Sydney to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.

Tue 5/809:10SYD - SEA
1 stop21h 50mAmerican Airlines
Sun 31/814:32SEA - SYD
1 stop23h 33mAmerican Airlines
Deal found 29/4$1,327
Mon 4/809:10SYD - SEA
1 stop30h 00mQantas Airways
Tue 2/916:59SEA - SYD
1 stop21h 06mQantas Airways
Deal found 29/4$1,329
Mon 4/809:30SYD - SEA
2 stops23h 24mUnited Airlines
Mon 1/917:35SEA - SYD
1 stop20h 20mUnited Airlines
Deal found 29/4$1,352
Mon 7/709:25SYD - SEA
2 stops29h 57mDelta
Tue 29/713:30SEA - SYD
2 stops24h 05mDelta
Deal found 29/4$1,366
Fri 6/616:20SYD - PDX
1 stop31h 00mMultiple Airlines
Tue 10/617:06PDX - SYD
2 stops52h 34mMultiple Airlines
Deal found 29/4$1,432
Thu 20/1119:10SYD - SEA
1 stop31h 00mSingapore Airlines
Fri 28/1108:45SEA - SYD
1 stop27h 55mSingapore Airlines
Deal found 30/4$1,577
Thu 20/1112:25SYD - SEA
2 stops25h 01mANA
Fri 28/1110:00SEA - SYD
2 stops29h 30mANA
Deal found 30/4$1,647
Mon 2/610:20SYD - PDX
1 stop19h 02mUnited Airlines
Sun 15/612:42PDX - SYD
2 stops25h 18mUnited Airlines
Deal found 29/4$1,691
Thu 30/1010:20SYD - PDX
1 stop17h 14mAir Canada
Sun 23/1119:05PDX - SYD
1 stop19h 30mAir Canada
Deal found 28/4$1,699
Tue 3/609:25SYD - PDX
2 stops22h 25mDelta
Thu 12/620:29PDX - SYD
2 stops41h 06mDelta
Deal found 29/4$1,705
Wed 2/710:10SYD - SEA
1 stop26h 05mPhilippine Airlines
Sun 27/723:35SEA - SYD
1 stop39h 25mPhilippine Airlines
Deal found 29/4$1,816
Mon 2/609:10SYD - PDX
2 stops24h 54mAmerican Airlines
Wed 11/623:59PDX - SYD
2 stops38h 06mAmerican Airlines
Deal found 29/4$1,818

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to Washington 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 1 May 2025.
Use the filters below to find and compare flights from Sydney to Washington that are best for you.

Fly from

Sydney

Fly to

Washington

Route

Depart

Return

Price

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 5/8

09:10-14:00

1 stop21h 50m

Seattle/Tacoma Intl

Sun 31/8

14:32-07:05

1 stop23h 33m

$1,327

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 4/8

09:10-22:10

1 stop30h 00m

Seattle/Tacoma Intl

Wed 3/9

16:59-07:05

1 stop21h 06m

$1,329

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 4/8

09:30-15:54

2 stops23h 24m

Seattle/Tacoma Intl

Mon 1/9

17:35-06:55

1 stop20h 20m

$1,352

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/7

09:25-20:25

1 stop28h 00m

Seattle/Tacoma Intl

Sun 27/7

10:15-06:35

1 stop27h 20m

$1,366

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Fri 6/6

16:20-06:20

1 stop31h 00m

Portland

Tue 10/6

17:06-14:40

2 stops52h 34m

$1,432

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 2/6

10:20-12:22

1 stop19h 02m

Portland

Sun 15/6

12:42-07:00

2 stops25h 18m

$1,691

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 3/6

09:25-14:50

2 stops22h 25m

Portland

Thu 12/6

20:29-06:35

2 stops41h 06m

$1,705

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 14/5

20:55-14:25

1 stop34h 30m

Seattle/Tacoma Intl

Sat 17/5

10:00-19:15

2 stops40h 15m

$1,805

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 2/7

10:10-19:15

1 stop26h 05m

Seattle/Tacoma Intl

Sun 27/7

23:35-08:00

1 stop39h 25m

$1,816

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Mon 2/6

09:10-17:04

2 stops24h 54m

Portland

Wed 11/6

23:59-07:05

2 stops38h 06m

$1,818

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 49 results
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5

Best time to book a flight from Sydney to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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

What is the cheapest month to book a flight from Sydney to State of Washington?

Currently, March is the cheapest month in which you can book a flight from Sydney to State of Washington (average of $875). Flying from Sydney to State of Washington in December is currently the most expensive (average of $1,469). 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 WA?

Find hourly flight availability from Sydney to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 May 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to State of Washington as you normally would.

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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. Reviews last updated 1 May 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, Japan Airlines and China Airlines from Sydney to Washington by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Food

7.8

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
8.8
Very Good
62 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Food

7.8

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.
Japan Airlines
8.3
Very Good
1,464 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Food

7.8

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.
China Airlines
8.3
Very Good
732 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Food

7.8

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.
ANA
8.3
Very Good
852 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Food

7.8

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.
Asiana Airlines
8.2
Very Good
442 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Food

7.8

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. 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?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Washington. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

  • What are the cheapest airlines to fly from Sydney to State of Washington one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $857. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Sydney to State of Washington for a low price.

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

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

  • How can I find direct flights from Sydney to Washington?

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

  • Can I find deals for business class flights from Sydney to Washington?

    Yes. Cheapflights offers flight deals from Sydney to Washington 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 State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Sydney to State of Washington (average of $875). Flying from Sydney to State of Washington in December is currently the most expensive (average of $1,469). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Sydney to Washington

Discover the top 10 airlines that operate flights from Sydney to Washington. 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 1 May 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,065Average$1,782FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,176Average$2,054FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Asiana AirlinesCheapest$1,262Average$1,604FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Air CanadaCheapest$1,318Average$1,668FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Philippine AirlinesCheapest$1,357Average$1,508FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Hawaiian AirlinesCheapest$1,361Average$1,849FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
American AirlinesCheapest$1,383Average$1,727FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air New ZealandCheapest$1,402Average$1,464FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Qantas AirwaysCheapest$1,464Average$1,741FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,484Average$1,579FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Washington from Sydney today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sydney to Washington?

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

Can Cheapflights find flights from Sydney to Washington with no change fees?

Yes! Cheapflights helps users easily find flights from Sydney to Washington with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to Washington become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington from Sydney today and book when prices fit your budget.

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