IAD - SYD

$572 Find Cheap Flights from Washington Dulles Airport to Sydney - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,106
Typical prices: $1,427-$1,945
Multiple Airlines
Fri 10/19Thu 10/25
IAD - SYD • 3 stops
Cheapest one-way
$572
Typical prices: $980-$1,178
Multiple Airlines
Sun 10/21
IAD - SYD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Sydney. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
22 weeks
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 55% compared to booking last minute.
Insights
Insights
When to travel
May
Cheapest • 16% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Toronto Pearson Intl (YYZ)
Cheapest • Avg $1,598 (round-trip)
San Francisco (SFO)
Shortest trip • 21h 43m (one-way)
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Insights
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Flight Deals

Cheap Flights from Dulles Intl to Sydney (IAD-SYD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Sydney

Mon, Oct 19 - Sun, Oct 25
Multiple Airlines Logo
6:00 am - 12:50 pmIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
39h 50m3 stops Las Vegas Harry Reid Intl Los Angeles Nadi
Multiple Airlines Logo
2:00 pm - 11:34 amSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
36h 34m3 stops Nadi Los Angeles Dallas/Fort Worth
$1,106Multiple Airlines
Sun, Feb 21 - Tue, Feb 23
Air New Zealand Logo
6:30 am - 8:35 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
34h 05m2 stops San Francisco Auckland Intl
Air New Zealand Logo
11:50 am - 5:25 amSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
33h 35m2 stops Auckland Intl Los Angeles
$1,231Air New Zealand
Mon, Jan 4 - Sun, Mar 7
Air New Zealand Logo
8:30 am - 8:35 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
32h 05m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
9:55 am - 1:17 amSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
31h 22m2 stops Auckland Intl San Francisco
$1,261Air New Zealand
Sat, Oct 24 - Sat, Oct 31
Air Canada Logo
10:19 pm - 8:35 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
43h 16m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
10:20 am - 8:23 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 03m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,300Air Canada
Sat, Oct 24 - Sat, Oct 31
Air Canada Logo
10:19 pm - 8:35 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
43h 16m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
10:20 am - 8:23 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 03m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,314Air Canada
Tue, Nov 10 - Mon, Nov 16
Air China Logo
10:00 pm - 8:05 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
42h 05m1 stop Beijing Capital
Air China Logo
10:10 am - 6:30 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
48h 20m1 stop Beijing Capital
$1,347Air China
Tue, Jan 26 - Wed, Feb 17
American Airlines Logo
6:00 am - 6:25 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
32h 25m1 stop Los Angeles
American Airlines Logo
2:05 pm - 11:23 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 18m1 stop Dallas/Fort Worth
$1,807American Airlines
Wed, Nov 4 - Wed, Nov 18
American Airlines Logo
6:00 am - 6:25 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
32h 25m1 stop Los Angeles
American Airlines Logo
2:05 pm - 11:30 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 25m1 stop Dallas/Fort Worth
$1,807American Airlines
Sun, Nov 22 - Mon, Dec 7
United Airlines Logo
12:35 pm - 9:20 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
28h 45m1 stop San Francisco
United Airlines Logo
11:20 am - 12:39 amSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
29h 19m1 stop Los Angeles
$1,810United Airlines
Sun, Nov 22 - Mon, Dec 7
United Airlines Logo
8:34 am - 7:00 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
30h 26m1 stop Houston George Bush Intcntl
United Airlines Logo
11:20 am - 4:29 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
21h 09m1 stop Los Angeles
$1,810United Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Sydney flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Sydney with more confidence.

What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Sydney?

Tuesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Sydney, it is 10% cheaper than the average day. Saturday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Sydney?

  • May is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Sydney at $1,384 round-trip.
  • December ($2,363) and September ($1,805) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 70% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. Dulles Intl Airport to Sydney the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Sydney are cheapest 22 weeks before departure. Booking in this window typically costs about 55% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Washington, D.C. Dulles Intl Airport to Sydney flights

Low season

August

Cheapest flight

$572
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 1% increase in price.
Flight from Washington, D.C. Dulles Intl Airport to Sydney

When to book flights from Dulles Intl to Sydney

Are your dates flexible? Find out the best times to travel from Dulles Intl to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Sydney flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines are suitable for families flying from Washington Dulles Airport to Sydney?

    Families with children traveling from Washington Dulles Airport to Sydney should consider traveling with Qantas Airways. They provide activity packs filled with games, puzzles, coloring books, and other fun items to keep young passengers entertained during the flight. Qantas Airways also offers a dedicated children's inflight entertainment section featuring a variety of movies, TV shows, and music suitable for different age groups.

  • Which airline should I book for an unaccompanied minor flying from Washington Dulles Airport to Sydney?

    United Airlines is a great option for an unaccompanied kid traveling from Washington Dulles Airport to Sydney. According to United Airlines regulation, a child between the ages of 5 and 15 are permitted to fly alone as long as they have parental or guardian consent and can show identification. A passport or a driver's license with a current photo is required from parents or guardians. In addition, parents or guardians must complete the Unaccompanied Minors Form in person at the airport of departure.

  • Which airline from Washington Dulles Airport to Sydney is ideal for persons with special needs?

    If you have special needs and require extra assistance, fly on Qantas Airways from Washington Dulles Airport to Sydney. The airline assists passengers who require mobility aid, including wheelchair assistance, during boarding and disembarkation. They provide accessible seating options and priority boarding for passengers who need extra time or assistance. Passengers with visual impairments can request assistance with Braille safety cards and cabin announcements.

  • Which airlines offer business and first-class flights from Washington Dulles Airport to Sydney?

    Business and first-class flights are available from Washington Dulles Airport to Sydney on United Airlines and Qantas Airways. United Airlines provides pre-departure refreshments, premium entertainment, and bedding from Saks Fifth Avenue. Qantas Airways offers first-class, business-class, and premium economy flights with great service, gourmet meals, and an extensive wine list.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Sydney?

    Flights from Washington, D.C. Dulles Intl Airport to Sydney usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Sydney Kingsford Smith (SYD).

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Sydney?

    Four cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Sydney:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Sydney pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Sydney most commonly connect through:

    • San Francisco (SFO) - 27% of one-stop connections
    • Los Angeles (LAX) - 26% of one-stop connections
    • Dallas/Fort Worth (DFW) - 24% of one-stop connections
    • Vancouver Intl (YVR) - 10% of one-stop connections

    San Francisco (SFO) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Sydney?

    Yes. Being flexible with your travel dates can save you up to 20% on the Washington, D.C. Dulles Intl Airport to Sydney route. Tuesday is the cheapest departure day at $1,500 round-trip on average, while Saturday is the most expensive at $1,854, a difference of $354. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Darling Harbour, Sydney Opera House and Circular Quay. These are among the most viewed places in Sydney on KAYAK.

  • How expensive are last-minute Washington, D.C. Dulles Intl Airport to Sydney flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 30% above the route average of $1,652. Book 22 weeks before departure for the lowest fares.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Sydney?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Sydney takes 0h 00m, covering 9,737 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Sydney?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Sydney looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Sydney are currently lower than usual. Average one-way flight prices are about $994, which is 11% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Sydney?

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 21h 43m, compared with 22h 10m via Dallas/Fort Worth (DFW) and 22h 28m via Vancouver Intl (YVR).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Sydney?

    Sydney is 14 hours ahead of Washington, D.C. Dulles Intl Airport (Eastern Australia Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car rental companies, with daily rates starting from around $10 for economy cars. Top options include:
    • Bargain Car Rentals
    • East Coast Car Rentals
    • EverythingFleet
    • YESDRIVE CAR RENTAL
    • No Birds

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Sydney flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Sydney range from $1,427 to $1,945, with an average of $1,652 over the past 12 months. Anything below $1,427 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Sydney flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $1,500 - about $354 less than Saturday (19% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 55% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Sydney trip for May. Fares historically average $1,384 round-trip in that month - typically $979 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.
    - Travelodge Hotel Sydney Airport
    - ibis budget Sydney Airport
    - Rydges Sydney Airport Hotel
  • Passengers flying from Washington Dulles Airport (IAD) to Sydney will land at Sydney Airport (SYD). Sydney Airport (SYD) is a base for Qantas Airways, which offers competitive prices and flexible travel policies for flights from IAD to SYD.
  • You can get flights from Washington Dulles Airport to Sydney with a layover en route. The layovers differ with your airline, with most stopping at their hubs or base of operation. United Airlines and American Airlines flights have a layover at Los Angeles (LAX) and San Francisco (SFO), respectively, while ANA flights stop in Tokyo (HND).
  • Qantas Airways provides sustainable flights to Sydney from Washington Dulles Airport. Qantas Airways prioritizes sustainability in its operations and invest in eco-friendly aircraft technology. The airline is committed to reducing greenhouse gas emissions, improving fuel efficiency, and investing in sustainable aviation fuels. They prioritize aircraft fleet renewal with more fuel-efficient and lower-emission planes.
  • United Airlines has pet-friendly policies for flights from Washington Dulles Airport to Sydney. Pets are permitted in the cabin or cargo hold in an authorized kennel or carrier. The kennel or carrier should be leak-proof, well-ventilated, and have enough space for the pet. The carrier's maximum size and weight limits are 17 x 12.5 x 7.5 inches and 17 lb, respectively.
  • Public transport options from SYD to downtown Sydney include the train and bus. Train T8 runs every 5 minutes from the airport station to downtown Sydney. Murrays Coaches operates a bus that runs every hour from the Terminal 1 bus stop to downtown Sydney.

More options for your flight from Dulles Intl to Sydney

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