United Flights from Sydney (SYD) to Washington (IAD)

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Cheapest United Flights from Sydney (SYD) to Washington (IAD)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

United
Mon, 8 Dec - Sat, 13 Dec
SYD
Kingsford Smith Intl.
IAD
Washington Dulles Intl.
AU$2,839 Return, found 6 days ago
AU$2,839
Return
found 6 days ago
Select United flight, departing Mon, 8 Dec from Kingsford Smith Intl. to Washington Dulles Intl., returning Sat, 13 Dec, priced at AU$2,839 found 6 days ago
United
Mon, 8 Dec - Sat, 13 Dec
SYD
Kingsford Smith Intl.
IAD
Washington Dulles Intl.
AU$3,151 Return, found 6 days ago
AU$3,151
Return
found 6 days ago
Select United flight, departing Mon, 8 Dec from Kingsford Smith Intl. to Washington Dulles Intl., returning Sat, 13 Dec, priced at AU$3,151 found 6 days ago
United
Mon, 8 Dec - Sat, 13 Dec
SYD
Kingsford Smith Intl.
IAD
Washington Dulles Intl.
AU$3,524 Return, found 6 days ago
AU$3,524
Return
found 6 days ago
Select United flight, departing Mon, 8 Dec from Kingsford Smith Intl. to Washington Dulles Intl., returning Sat, 13 Dec, priced at AU$3,524 found 6 days ago
United
Mon, 8 Dec - Sat, 13 Dec
SYD
Kingsford Smith Intl.
IAD
Washington Dulles Intl.
AU$3,627 Return, found 6 days ago
AU$3,627
Return
found 6 days ago
Select United flight, departing Mon, 8 Dec from Kingsford Smith Intl. to Washington Dulles Intl., returning Sat, 13 Dec, priced at AU$3,627 found 6 days ago
United
Mon, 8 Dec - Sat, 13 Dec
SYD
Kingsford Smith Intl.
IAD
Washington Dulles Intl.
AU$3,650 Return, found 6 days ago
AU$3,650
Return
found 6 days ago
Select United flight, departing Mon, 8 Dec from Kingsford Smith Intl. to Washington Dulles Intl., returning Sat, 13 Dec, priced at AU$3,650 found 6 days ago
United
Mon, 8 Dec - Sat, 13 Dec
SYD
Kingsford Smith Intl.
IAD
Washington Dulles Intl.
AU$3,829 Return, found 6 days ago
AU$3,829
Return
found 6 days ago
Select United flight, departing Mon, 8 Dec from Kingsford Smith Intl. to Washington Dulles Intl., returning Sat, 13 Dec, priced at AU$3,829 found 6 days ago
United
Mon, 8 Dec - Sat, 13 Dec
SYD
Kingsford Smith Intl.
IAD
Washington Dulles Intl.
AU$4,023 Return, found 6 days ago
AU$4,023
Return
found 6 days ago
Select United flight, departing Mon, 8 Dec from Kingsford Smith Intl. to Washington Dulles Intl., returning Sat, 13 Dec, priced at AU$4,023 found 6 days ago

United Flights from SYD to IAD

How much is a United flight from Sydney (SYD) to Washington (IAD)?

One-way flights start as little as AU$1,465 and there are roundtrips available from AU$2,839. Get in! You can score some sweet deals with Wotif and United.

How many non-stop United flights from Sydney (SYD) to Washington (IAD) are there per day?

United flies flights direct every day between Sydney (SYD) and Washington (IAD).

How far is Sydney (SYD) from Washington (IAD)?

It’s from Sydney (SYD) to Washington (IAD).

What is the best airline to fly from Kingsford Smith Intl.?

At Wotif, we give you all the available options from our reputable partners. Select the airline that best suits your preferences and membership loyalties. You can fly from Kingsford Smith Intl. with: United. 

Can I change or cancel my United tickets from Sydney to Washington on Wotif?

Change of plans? No worries! We’re right here to make things as easy as possible. Check out the United rules and restrictions in your itinerary. You can also use the No Change Fees filter to find flexible plane tickets for future trips. For more information on how to cancel or change your flight on Wotif, visit our customer service portal.

How do I find the best deal on United flights from Sydney (SYD) to Washington (IAD)?

Just review and compare all our awesome offers or enter your travel dates to see more terrific deals on United flights from Sydney. And remember you can save even more when you bundle a hotel with your flight as part of a Wotif package. Sweet!

What’s a good way to get cheap United flight tickets from Sydney to Washington?

We have loads of cheap flights, so just enter your travel dates to see what’s available. If you can be flexible on when you fly, you’ll find even more epic flight deals. So get booking!

What is the cheapest time of year to fly from Sydney (SYD) to Washington (IAD)?

The cheapest time of the year for a return trip is December. One-way, the cheapest month to fly is December. Check our deal cards for details.

How long does it take to fly from SYD to IAD?

It typically takes hours to fly directly from Sydney (SYD) to Washington (IAD).

Epic Hotel in Washington

Hyatt Regency Dulles

Hyatt Regency Dulles

4 out of 5
2300 Dulles Corner Blvd, Herndon, VA
Very quiet, easy to relax and unwind! Conveniently located by Dulles!

Reviewed on 19 Oct 2025

Hyatt Regency Dulles
Hyatt Place Herndon Dulles Airport East

Hyatt Place Herndon Dulles Airport East

3 out of 5
13711 Sayward Blvd, Herndon, VA
Close to airport and other amenities.

Reviewed on 18 Oct 2025

Hyatt Place Herndon Dulles Airport East
Fairfield Inn & Suites by Marriott at Dulles Airport

Fairfield Inn & Suites by Marriott at Dulles Airport

2.5 out of 5
23000 Indian Creek Dr, Sterling, VA
Onsite Airport Parking available. Airport Shuttle service frequency.

Reviewed on 17 Oct 2025

Fairfield Inn & Suites by Marriott at Dulles Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

More Destinations

^Savings based on all package bookings made with Flight + Hotel on Wotif.com from , as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages.