SYD - IAD

$628 Find Cheap Flights from Sydney to Washington Dulles Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 17% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals

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

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

Recent return flight deals from Sydney to Dulles Intl

Sun, 25 Oct - Sat, 31 Oct
Multiple Airlines Logo
14:00 - 11:34SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
36h 34m3 stops Nadi Los Angeles Los Angeles Dallas/Fort Worth
Multiple Airlines Logo
07:52 - 12:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
37h 43m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi
$1,316Multiple Airlines
Sun, 25 Oct - Sat, 31 Oct
Multiple Airlines Logo
14:00 - 11:34SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
36h 34m3 stops Nadi Los Angeles Los Angeles Dallas/Fort Worth
Multiple Airlines Logo
07:52 - 12:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
37h 43m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi
$1,323Multiple Airlines
Thu, 8 Oct - Wed, 21 Oct
Air Canada Logo
10:20 - 20:25SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 05m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
09:45 - 08:20IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
31h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$1,476Air Canada
Tue, 20 Oct - Tue, 27 Oct
Air Canada Logo
10:20 - 20:25SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 05m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
09:55 - 08:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
31h 40m2 stops Toronto Pearson Intl Vancouver Intl
$1,481Air Canada
Mon, 5 Oct - Sun, 18 Oct
American Airlines Logo
13:00 - 18:23SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
20h 23m1 stop Dallas/Fort Worth
American Airlines Logo
06:00 - 08:05IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
35h 05m1 stop Los Angeles Los Angeles
$2,113American Airlines
Tue, 29 Sep - Sun, 11 Oct
American Airlines Logo
12:00 - 22:51SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
24h 51m2 stops Dallas/Fort Worth Charlotte Douglas
American Airlines Logo
06:00 - 08:05IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
35h 05m1 stop Los Angeles Los Angeles
$2,119American Airlines
Thu, 1 Oct - Sun, 11 Oct
United Airlines Logo
09:30 - 18:57SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
47h 27m1 stop Los Angeles Los Angeles
United Airlines Logo
14:47 - 07:55IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
26h 08m1 stop San Francisco
$2,396United Airlines
Mon, 7 Dec - Sun, 27 Dec
Air New Zealand Logo
19:25 - 21:12SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
41h 47m2 stops Auckland Intl Houston George Bush Intcntl
Air New Zealand Logo
22:54 - 08:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
41h 41m2 stops Houston George Bush Intcntl Auckland Intl
$2,574Air New Zealand
Thu, 24 Dec - Tue, 12 Jan
Air New Zealand Logo
11:50 - 05:15SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
33h 25m2 stops Auckland Intl Los Angeles Los Angeles
Air New Zealand Logo
14:44 - 08:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
25h 51m2 stops Houston George Bush Intcntl Auckland Intl
$2,646Air New Zealand
Mon, 7 Dec - Sun, 27 Dec
United Airlines Logo
09:20 - 16:04SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
22h 44m1 stop Houston George Bush Intcntl
United Airlines Logo
22:13 - 09:20IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
43h 07m1 stop San Francisco
$2,771United Airlines
Booking Insights

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

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

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

Thursday is the cheapest day of the week to fly from Sydney to Washington, D.C. Dulles Intl Airport and is 16% cheaper than the average day. Monday is the most expensive day with flight prices 20% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • November is the cheapest month to fly from Sydney to Washington, D.C. Dulles Intl Airport at $1,453 return.
  • July ($2,414) and December ($2,073) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Sydney to Washington, D.C. Dulles Intl Airport are cheapest 16 weeks before departure. Booking in this window typically costs about 12% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

March

Cheapest flight

$628
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly and prices are also 22% lower on average.
Flights from Sydney to Washington, D.C. Dulles Intl Airport

When to book flights from Sydney to Dulles Intl

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

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

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

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

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

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

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

    • Economy class
    • Premium Economy Class
    • Business Class

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

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

    • San Francisco (SFO) – 38% of one-stop connections
    • Dallas/Fort Worth (DFW) – 20% of one-stop connections
    • Los Angeles Los Angeles (LAX) – 16% of one-stop connections
    • Tokyo Haneda (HND) – 12% 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 Sydney to Washington, D.C. Dulles Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 30% on the Sydney to Washington, D.C. Dulles Intl Airport route. Thursday is the cheapest departure day at $1,560 return on average, while Monday is the most expensive at $2,225, a difference of $665. 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 Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Grand Hyatt Washington, JW Marriott Washington, DC, and Walter E. Washington Convention Center. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

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

    Last-minute fares on this route (booked within 2 weeks of departure) run 5% below the route average of $1,852. Booking late can sometimes save money on this route, but inventory is limited.

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

    A direct flight from Sydney to Washington, D.C. Dulles Intl Airport takes 0h 00m, covering 25,219 km.

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

    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 Sydney to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Sydney to Washington, D.C. Dulles Intl Airport are currently in line with typical prices for this route. Average one-way fares are about $1,396.

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

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time of 22h 23m, compared to 22h 28m via Vancouver Intl (YVR) and 23h 01m via San Francisco (SFO).

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

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

  • Which car hire options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car hire companies, with daily rates starting from around $33 for economy cars. Top options include:
    · Dollar
    · Budget
    · Hertz
    · Sixt
    · Thrifty

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

    Return flights from Sydney to Washington, D.C. Dulles Intl Airport range from $1,518 to $2,429, with an average of $1,852 over the past 12 months. Anything below $1,518 counts as a good deal.

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

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure instead of Monday. On this route, Thursday flights average $1,560 – about $665 less than Monday (30% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 12% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Sydney to Washington, D.C. Dulles Intl Airport trip for November. Fares historically average $1,453 return in that month – typically $960 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Sydney to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car hire

Car hire in Washington, D.C.
Hotels in Washington, D.C.
Holidays in Washington, D.C.