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Cheap flights from Washington, D.C. to Sydney from $397

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. to Sydney departing on 2/8. 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. to Sydney

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Sydney that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to Sydney.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to Sydney? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sydney, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. to Sydney

Find recent round-trip train or bus tickets from Washington, D.C. to Sydney.

All round-trip flight deals to Sydney

The cheapest plane tickets to Sydney found on KAYAK recently.
7:31 am - 6:35 amIAD-SYD
32h 04m1 stop
10:25 am - 4:14 pmSYD-IAD
19h 49m1 stop
$829Qantas Airways
Find Deal
Wed, Apr 2 - Wed, May 7
5:30 pm - 9:00 amDCA-SYD
23h 30m1 stop
11:15 am - 8:59 pmSYD-DCA
25h 44m1 stop
$831Qantas Airways
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Sat, Feb 8 - Fri, Feb 21
1:48 pm - 7:25 amIAD-SYD
25h 37m2 stops
5:25 pm - 9:56 amSYD-IAD
32h 31m2 stops
$832American Airlines
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Sun, Feb 23 - Sun, Mar 9
6:12 am - 6:35 amIAD-SYD
32h 23m1 stop
11:50 am - 9:14 pmSYD-IAD
25h 24m1 stop
$841American Airlines
Find Deal
Sun, Feb 23 - Sun, Mar 9
5:25 pm - 6:35 amDCA-SYD
23h 10m1 stop
9:25 am - 4:14 pmSYD-DCA
20h 49m1 stop
$906Delta
Find Deal
Tue, May 27 - Tue, Jun 3
10:03 am - 8:35 amIAD-SYD
30h 32m2 stops
11:05 am - 11:13 pmSYD-IAD
28h 08m2 stops
$909Delta
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Mon, Feb 10 - Wed, Feb 19
1:52 pm - 7:20 amIAD-SYD
27h 28m2 stops
9:20 am - 4:27 pmSYD-IAD
21h 07m1 stop
$1,223Air Canada
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Tue, Apr 29 - Wed, Aug 6
5:30 pm - 7:20 amIAD-SYD
23h 50m1 stop
9:20 am - 4:23 pmSYD-IAD
21h 03m1 stop
$1,224Air Canada
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Sun, May 25 - Tue, Jun 3
6:00 pm - 9:05 amBWI-SYD
23h 05m1 stop
10:20 am - 3:10 pmSYD-BWI
20h 50m1 stop
$1,491United Airlines
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Sun, Feb 23 - Sun, Mar 9
6:00 pm - 9:05 amBWI-SYD
23h 05m1 stop
10:20 am - 3:10 pmSYD-BWI
20h 50m1 stop
$1,493United Airlines
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Sun, Feb 23 - Sun, Mar 9
5:30 pm - 9:00 amDCA-SYD
23h 30m1 stop
$397Qantas Airways
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Sat, Feb 8
5:30 pm - 9:00 amDCA-SYD
23h 30m1 stop
$398Qantas Airways
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Mon, Feb 24
6:10 am - 6:35 amIAD-SYD
32h 25m1 stop
$414American Airlines
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Sun, Feb 2
11:54 am - 6:35 amDCA-SYD
26h 41m1 stop
$414American Airlines
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Fri, Feb 14
9:55 am - 7:20 amIAD-SYD
31h 25m2 stops
$770Air Canada
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Tue, Jun 17
5:44 pm - 7:20 amIAD-SYD
47h 36m3 stops
$776Air Canada
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Mon, Apr 7
12:31 pm - 8:35 amIAD-SYD
28h 04m2 stops
$838Delta
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Wed, Jan 29
1:45 pm - 6:35 amDCA-SYD
26h 50m2 stops
$838Delta
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Wed, Apr 30
6:34 pm - 6:55 amBWI-SYD
22h 21m1 stop
$874United Airlines
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Mon, Apr 14
8:30 am - 7:00 amDCA-SYD
32h 30m3 stops
$874United Airlines
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Wed, Apr 30
5:30 pm - 9:50 amDCA-SYD
48h 20m2 stops
9:35 pm - 4:29 pmSYD-DCA
34h 54m2 stops
$1,194Qantas Airways
Find Deal
Mon, Jan 6 - Mon, Jan 13
8:40 am - 7:25 amDCA-SYD
30h 45m1 stop
9:35 pm - 6:59 pmSYD-DCA
37h 24m2 stops
$1,476Qantas Airways
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Mon, Jan 6 - Mon, Jan 13
8:40 am - 7:25 amDCA-SYD
30h 45m1 stop
11:15 am - 3:56 pmSYD-DCA
20h 41m1 stop
$1,923American Airlines
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Mon, Jan 6 - Mon, Jan 13
5:45 pm - 12:40 pmIAD-SYD
50h 55m2 stops
12:10 pm - 4:28 pmSYD-IAD
20h 18m1 stop
$2,295Air New Zealand
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Tue, Jan 7 - Tue, Jan 21
6:05 am - 9:15 amBWI-SYD
35h 10m1 stop
11:45 am - 7:02 amSYD-BWI
35h 17m2 stops
$2,422Air New Zealand
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Tue, Jan 7 - Tue, Jan 21
5:22 pm - 7:00 amBWI-SYD
45h 38m2 stops
4:15 pm - 7:02 amSYD-BWI
30h 47m1 stop
$2,510United Airlines
Find Deal
Tue, Jan 7 - Tue, Jan 21
5:30 pm - 9:05 amBWI-SYD
23h 35m1 stop
11:50 am - 10:14 pmSYD-BWI
26h 24m1 stop
$2,555United Airlines
Find Deal
Tue, Jan 7 - Tue, Jan 21
6:59 am - 6:55 amDCA-SYD
31h 56m3 stops
11:20 am - 12:20 pmSYD-DCA
41h 00m2 stops
$3,804Air Canada
Find Deal
Sat, Jan 4 - Mon, Jan 6
8:15 am - 6:55 amIAD-SYD
30h 40m2 stops
11:20 am - 3:13 pmSYD-IAD
43h 53m3 stops
$4,645Air Canada
Find Deal
Sat, Jan 4 - Mon, Jan 6
5:30 pm - 9:00 amDCA-SYD
23h 30m1 stop
11:15 am - 8:55 pmSYD-DCA
25h 40m1 stop
$27,002American Airlines
Find Deal
Tue, Jan 7 - Tue, Jan 14

Delta flights from Washington, D.C. to Sydney

Our best Delta deals on Washington, D.C. to Sydney flight tickets
Delta
May 27
DCA5:25 pmWashington, D.C. Reagan-National
23h 10m
1 stop
SYD6:35 amSydney Kingsford Smith
Jun 3
SYD9:25 amSydney Kingsford Smith
20h 49m
1 stop
DCA4:14 pmWashington, D.C. Reagan-National
Delta
Feb 10
IAD10:03 amWashington, D.C. Dulles Intl
30h 32m
2 stops
SYD8:35 amSydney Kingsford Smith
Feb 19
SYD11:05 amSydney Kingsford Smith
28h 08m
2 stops
IAD11:13 pmWashington, D.C. Dulles Intl
Delta
Apr 29
IAD12:35 pmWashington, D.C. Dulles Intl
28h 00m
2 stops
SYD6:35 amSydney Kingsford Smith
Aug 10
SYD9:25 amSydney Kingsford Smith
26h 25m
2 stops
IAD9:50 pmWashington, D.C. Dulles Intl

Air New Zealand flights from Washington, D.C. to Sydney

Our best Air New Zealand deals on Washington, D.C. to Sydney flight tickets
Air New Zealand
May 25
BWI5:50 pmBaltimore/Washington
23h 10m
1 stop
SYD7:00 amSydney Kingsford Smith
Jun 1
SYD11:50 amSydney Kingsford Smith
24h 44m
2 stops
BWI10:34 pmBaltimore/Washington
Air New Zealand
Apr 29
BWI5:50 pmBaltimore/Washington
23h 10m
1 stop
SYD7:00 amSydney Kingsford Smith
Aug 5
SYD11:50 amSydney Kingsford Smith
24h 44m
2 stops
BWI10:34 pmBaltimore/Washington
Air New Zealand
Apr 29
BWI5:50 pmBaltimore/Washington
23h 10m
1 stop
SYD7:00 amSydney Kingsford Smith
Aug 10
SYD9:55 amSydney Kingsford Smith
26h 39m
2 stops
BWI10:34 pmBaltimore/Washington

See travel insights to Sydney from

How to get the cheapest flight ticket from Washington, D.C. 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. and Sydney?

What is the cheapest month to fly to Sydney?

In general, February is the cheapest month to fly from Washington, D.C. to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,039. If you are unable to visit Sydney during the month of February, then departing from Washington, D.C. during the month March is also very affordable. Most momondo users find prices during this month for around $1,062.

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

The cheapest day to depart from Washington, D.C. to Sydney is on a Tuesday when prices can be found for as low as $1,353. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,485.

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 at noon. momondo users have found flights departing from Washington, D.C. to Sydney at noon for as low as $1,219. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the evening, with an average ticket price of $1,464. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

The ideal time to book your flight to Sydney is 50 days in advance when prices tend to average $1,556. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Washington, D.C. for as low as $956 on momondo.

Can stopping save me money on Washington, D.C. to Sydney flights?

You could potentially save up to 4% on your flight if you consider stops on a Washington, D.C. to Sydney flight.

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

As of January 2025, prices for Washington, D.C. to Sydney flights are approximately 161% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Sydney

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

Cheap Washington, D.C. to Sydney (WAS to SYD) flight deals and tips

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

Best Price Found

$397

Fastest flight time

21h 26m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Washington, D.C. in the past 72 hours is $397. The best round-trip flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $829.
The fastest flight from Washington, D.C. to Sydney takes 21h 26m
There are no direct flights from Washington, D.C. to Sydney. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Sydney Kingsford Smith Airport, Washington, D.C. Dulles Intl Airport - Sydney Kingsford Smith Airport and Baltimore/Washington Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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

    A flight from Washington, D.C. to Sydney Kingsford Smith will travel around 9755.6 mi. 21h 27m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. to Sydney Kingsford Smith Airport are updated daily.

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

  • How old do you have to be to fly from Washington, D.C. 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Sydney Kingsford Smith Airport.

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

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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


Best airlines flying from Washington, D.C. to Sydney

Compare and see reviews for airlines that fly from Washington, D.C. to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $221Free CancellationRating
8.0
9,603 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $771Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $833Free CancellationRating
7.5
805 reviews
Search Qantas Airways flights
DeltaPriceFrom $848Free CancellationRating
8.0
8,536 reviews
Search Delta flights
Air CanadaPriceFrom $855Free CancellationRating
7.0
8,477 reviews
Search Air Canada flights
United AirlinesPriceFrom $990Free CancellationRating
7.4
8,969 reviews
Search United Airlines flights
Air New ZealandPriceFrom $1,340Free CancellationRating
8.0
482 reviews
Search Air New Zealand flights
ANAPriceFrom $1,667Free CancellationRating
8.4
844 reviews
Search ANA flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Sydney. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Sydney flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Sydney from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Washington, D.C. to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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