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Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney from $962

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Sydney departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Sydney

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Sydney.
Air Canada Logo
09:45 - 07:20IAD-SYD
31h 35m2 stops
Air Canada Logo
09:20 - 11:14SYD-IAD
39h 54m2 stops
$1,654Air Canada
Find Deal
Tue, 6 May - Tue, 20 May
Air Canada Logo
09:45 - 07:20IAD-SYD
31h 35m2 stops
Air Canada Logo
09:20 - 11:14SYD-IAD
39h 54m3 stops
$1,664Air Canada
Find Deal
Tue, 6 May - Tue, 20 May
Alaska Airlines Logo
18:13 - 19:45IAD-SYD
35h 32m2 stops
Alaska Airlines Logo
21:40 - 18:59SYD-IAD
35h 19m2 stops
$2,018Alaska Airlines
Find Deal
Tue, 5 Aug - Sun, 10 Aug
 Logo
14:40 - 07:20IAD-SYD
26h 40m2 stops
 Logo
09:20 - 07:55SYD-IAD
36h 35m2 stops
$2,028
Find Deal
Tue, 29 Apr - Tue, 13 May
Alaska Airlines Logo
19:17 - 19:45IAD-SYD
34h 28m2 stops
Alaska Airlines Logo
20:25 - 15:59SYD-IAD
33h 34m2 stops
$2,029Alaska Airlines
Find Deal
Wed, 20 Aug - Mon, 1 Sep
ANA Logo
12:15 - 09:25IAD-SYD
31h 10m1 stop
ANA Logo
20:55 - 20:55SYD-IAD
38h 00m2 stops
$2,040ANA
Find Deal
Tue, 26 Aug - Tue, 9 Sep
ANA Logo
13:15 - 09:25IAD-SYD
30h 10m2 stops
ANA Logo
20:55 - 13:49SYD-IAD
30h 54m2 stops
$2,047ANA
Find Deal
Tue, 26 Aug - Tue, 9 Sep
 Logo
11:30 - 11:45IAD-SYD
34h 15m2 stops
 Logo
13:15 - 10:45SYD-IAD
35h 30m2 stops
$2,061
Find Deal
Tue, 26 Aug - Tue, 2 Sep
United Airlines Logo
15:43 - 07:00IAD-SYD
25h 17m1 stop
United Airlines Logo
10:20 - 16:23SYD-IAD
20h 03m1 stop
$2,461United Airlines
Find Deal
Mon, 4 Aug - Wed, 13 Aug
United Airlines Logo
08:30 - 06:55IAD-SYD
32h 25m2 stops
United Airlines Logo
10:20 - 19:00SYD-IAD
22h 40m1 stop
$2,467United Airlines
Find Deal
Wed, 9 Jul - Wed, 20 Aug

Air Canada flights from Washington, D.C. Dulles Intl Airport to Sydney

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Sydney flight tickets
Air Canada
6 May
IAD09:45Washington, D.C. Dulles Intl
31h 35m
2 stops
SYD07:20Sydney Kingsford Smith
20 May
SYD09:20Sydney Kingsford Smith
39h 54m
2 stops
IAD11:14Washington, D.C. Dulles Intl
Air Canada
6 May
IAD09:45Washington, D.C. Dulles Intl
31h 35m
2 stops
SYD07:20Sydney Kingsford Smith
20 May
SYD09:20Sydney Kingsford Smith
39h 54m
3 stops
IAD11:14Washington, D.C. Dulles Intl
Air Canada
6 May
IAD09:45Washington, D.C. Dulles Intl
31h 35m
3 stops
SYD07:20Sydney Kingsford Smith
20 May
SYD09:20Sydney Kingsford Smith
39h 54m
3 stops
IAD11:14Washington, D.C. Dulles Intl

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Sydney

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Sydney flight tickets
Alaska Airlines
5 Aug
IAD18:13Washington, D.C. Dulles Intl
35h 32m
2 stops
SYD19:45Sydney Kingsford Smith
10 Aug
SYD21:40Sydney Kingsford Smith
35h 19m
2 stops
IAD18:59Washington, D.C. Dulles Intl
Alaska Airlines
20 Aug
IAD19:17Washington, D.C. Dulles Intl
34h 28m
2 stops
SYD19:45Sydney Kingsford Smith
1 Sept
SYD20:25Sydney Kingsford Smith
33h 34m
2 stops
IAD15:59Washington, D.C. Dulles Intl
Alaska Airlines
2 Aug
IAD17:25Washington, D.C. Dulles Intl
60h 20m
2 stops
SYD19:45Sydney Kingsford Smith
31 Aug
SYD21:40Sydney Kingsford Smith
32h 19m
2 stops
IAD15:59Washington, D.C. Dulles Intl

See travel insights to Sydney from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Sydney?

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Washington, D.C. Dulles Intl Airport, with most prices found around $1,455. If you aren’t able to travel to Sydney during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,466.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $0. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,433.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Sydney in the morning for as low as $2,208. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $3,062 on average. Flights to Sydney from Washington, D.C. Dulles Intl Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Washington, D.C. Dulles Intl Airport when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,085 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Washington, D.C. Dulles Intl Airport for as low as $1,735 on momondo.

How have Washington, D.C. Dulles Intl Airport to Sydney flight prices changed over time?

As of April 2025, prices for Washington, D.C. Dulles Intl Airport to Sydney flights are approximately 50% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. Dulles Intl Airport to Sydney (IAD to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Sydney

Best price found

$962

Fastest flight time

22h 11m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Washington, D.C. Dulles Intl Airport in the past 72 hours is $962. The best return flight deal from Washington, D.C. Dulles Intl Airport to Sydney found on momondo in the last 72 hours is $1,654.
The fastest flight from Washington, D.C. Dulles Intl Airport to Sydney takes 22h 11m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Sydney. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is Washington, D.C. Dulles Intl to Sydney Kingsford Smith by plane?

    There are 15665.3 km between Washington, D.C. Dulles Intl and Sydney Kingsford Smith. Flights usually cover this in 22h 11m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Sydney?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Sydney

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Sydney with momondo
Airline
Rating
Free cancellation
Price
Air CanadaPriceFrom $1,895Free cancellationRating
7.0
9,036 reviews
Search Air Canada flights
United AirlinesPriceFrom $2,269Free cancellationRating
7.4
8,618 reviews
Search United Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Terrigal
Lithgow
Penrith
Leura
Manly
Coogee
Cronulla
Bondi Beach
Randwick
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Sydney for you.

Can I find flights from Washington, D.C. to Sydney with flexible booking policies on momondo?

Yes. All flights to Sydney from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Sydney?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Sydney.

I’m not ready to book a flight from Washington, D.C. to Sydney right now. Can momondo alert me if prices change?

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