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Cheap flights from Sydney to Washington, D.C. from $632

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Washington, D.C. departing on 1/12. 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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Cheap round-trip flights

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Multiple Airlines Logo
1:55 pm - 9:36 pmSYD-DCA
23h 41m2 stops
Multiple Airlines Logo
9:59 am - 8:45 amDCA-SYD
30h 46m2 stops
$1,144Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Alaska Airlines Logo
9:40 pm - 8:00 pmSYD-DCA
38h 20m2 stops
Alaska Airlines Logo
9:59 am - 7:45 pmDCA-SYD
41h 46m2 stops
$1,152Alaska Airlines
Find Deal
Sun, Dec 7 - Tue, Jan 6
Air New Zealand Logo
9:55 am - 10:08 pmSYD-DCA
26h 13m2 stops
Air New Zealand Logo
2:50 pm - 8:45 amDCA-SYD
27h 55m2 stops
$1,291Air New Zealand
Find Deal
Fri, May 1 - Thu, May 7
Air Canada Logo
11:20 am - 8:55 amSYD-DCA
37h 35m2 stops
Air Canada Logo
9:40 am - 9:35 amDCA-SYD
31h 55m2 stops
$1,414Air Canada
Find Deal
Wed, Feb 18 - Sun, Feb 22
Air Canada Logo
11:20 am - 12:19 pmSYD-DCA
40h 59m2 stops
Air Canada Logo
6:00 am - 9:35 amDCA-SYD
35h 35m2 stops
$1,441Air Canada
Find Deal
Wed, Feb 18 - Sun, Feb 22
Delta Logo
2:15 pm - 10:56 pmSYD-DCA
24h 41m2 stops
Delta Logo
4:38 pm - 6:50 amDCA-SYD
22h 12m1 stop
$1,446Delta
Find Deal
Mon, Dec 29 - Sun, Jan 11
American Airlines Logo
1:10 pm - 11:00 pmSYD-DCA
24h 50m1 stop
American Airlines Logo
5:30 pm - 7:05 amDCA-SYD
23h 35m1 stop
$1,493American Airlines
Find Deal
Fri, Apr 3 - Wed, Apr 22
Delta Logo
2:15 pm - 9:37 pmSYD-DCA
23h 22m2 stops
Delta Logo
4:38 pm - 6:50 amDCA-SYD
22h 12m1 stop
$1,494Delta
Find Deal
Mon, Dec 29 - Thu, Jan 29
American Airlines Logo
1:10 pm - 8:54 pmSYD-DCA
22h 44m1 stop
American Airlines Logo
5:00 pm - 7:05 amDCA-SYD
24h 05m2 stops
$1,498American Airlines
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Fri, Apr 3 - Wed, Apr 22
Air New Zealand Logo
9:55 am - 8:56 pmSYD-DCA
27h 01m2 stops
Air New Zealand Logo
2:54 pm - 10:30 amDCA-SYD
27h 36m2 stops
$1,619Air New Zealand
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Mon, Dec 8 - Mon, Dec 15

Alaska Airlines flights from Sydney to Washington, D.C. Reagan-National Airport

Our best Alaska Airlines deals on Sydney to Washington, D.C. Reagan-National Airport flight tickets
Alaska Airlines
Dec 7
SYD9:40 pmSydney Kingsford Smith
38h 20m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
Jan 6
DCA9:59 amWashington, D.C. Reagan-National
41h 46m
2 stops
SYD7:45 pmSydney Kingsford Smith
$1,152
Find similar
Alaska Airlines
Dec 6
SYD9:40 pmSydney Kingsford Smith
38h 20m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
Jan 6
DCA9:59 amWashington, D.C. Reagan-National
41h 46m
2 stops
SYD7:45 pmSydney Kingsford Smith
$1,179
Find similar
Alaska Airlines
Dec 7
SYD9:40 pmSydney Kingsford Smith
38h 20m
2 stops
DCA8:00 pmWashington, D.C. Reagan-National
Jan 10
DCA9:59 amWashington, D.C. Reagan-National
41h 46m
2 stops
SYD7:45 pmSydney Kingsford Smith
$1,196
Find similar

Air New Zealand flights from Sydney to Washington, D.C. Reagan-National Airport

Our best Air New Zealand deals on Sydney to Washington, D.C. Reagan-National Airport flight tickets
Air New Zealand
May 1
SYD9:55 amSydney Kingsford Smith
26h 13m
2 stops
DCA10:08 pmWashington, D.C. Reagan-National
May 7
DCA2:50 pmWashington, D.C. Reagan-National
27h 55m
2 stops
SYD8:45 amSydney Kingsford Smith
$1,291
Find similar
Air New Zealand
Dec 8
SYD9:55 amSydney Kingsford Smith
27h 01m
2 stops
DCA8:56 pmWashington, D.C. Reagan-National
Dec 15
DCA2:54 pmWashington, D.C. Reagan-National
27h 36m
2 stops
SYD10:30 amSydney Kingsford Smith
$1,619
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sydney to Washington, D.C. Reagan-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Sydney to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Sat 12/6

1:55 pm-9:36 pm

2 stops23h 41m

Washington, D.C. Reagan-National

Sat 12/13

9:59 am-8:45 am

2 stops30h 46m

$1,144

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Sun 12/7

9:40 pm-8:00 pm

2 stops38h 20m

Washington, D.C. Reagan-National

Tue 1/6

9:59 am-7:45 pm

2 stops41h 46m

$1,152

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Fri 5/1

9:55 am-10:08 pm

2 stops26h 13m

Washington, D.C. Reagan-National

Thu 5/7

2:50 pm-8:45 am

2 stops27h 55m

$1,291

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Wed 2/18

11:20 am-8:55 am

2 stops37h 35m

Washington, D.C. Reagan-National

Sun 2/22

9:40 am-9:35 am

2 stops31h 55m

$1,414

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Wed 2/18

11:20 am-12:19 pm

2 stops40h 59m

Washington, D.C. Reagan-National

Sun 2/22

6:00 am-9:35 am

2 stops35h 35m

$1,441

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 12/29

2:15 pm-10:56 pm

2 stops24h 41m

Washington, D.C. Reagan-National

Sun 1/11

4:38 pm-6:50 am

1 stop22h 12m

$1,446

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Fri 4/3

1:10 pm-11:00 pm

1 stop24h 50m

Washington, D.C. Reagan-National

Wed 4/22

5:30 pm-7:05 am

1 stop23h 35m

$1,493

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 12/29

2:15 pm-9:37 pm

2 stops23h 22m

Washington, D.C. Reagan-National

Thu 1/29

4:38 pm-6:50 am

1 stop22h 12m

$1,494

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Fri 4/3

1:10 pm-8:54 pm

1 stop22h 44m

Washington, D.C. Reagan-National

Wed 4/22

5:00 pm-7:05 am

2 stops24h 05m

$1,498

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 12/8

9:55 am-8:56 pm

2 stops27h 01m

Washington, D.C. Reagan-National

Mon 12/15

2:54 pm-10:30 am

2 stops27h 36m

$1,619

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Sydney to Washington, D.C. Reagan-National Airport

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 cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of February is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Sydney, with most prices found around $849. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $864.

Can stopping save me money on Sydney to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 31% on your flight if you consider stops on a Sydney to Washington, D.C. Reagan-National Airport flight.

When to book flights from Sydney to Washington, D.C. Reagan-National Airport

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

Cheap Sydney to Washington, D.C. Reagan-National Airport (SYD to DCA) flight deals and tips

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

Direct flights

None
There are no direct flights from Sydney to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Sydney to Washington, D.C. Reagan-National Airport.
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  • How far is Sydney Kingsford Smith to Washington, D.C. Reagan-National by plane?

    The distance between Sydney Kingsford Smith and Washington, D.C. Reagan-National is about 9755.0 mi. 20h 08m is a normal flight duration for this route.

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

    Prices for flights from Sydney Kingsford Smith Airport to Washington, D.C. Reagan-National Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National 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 Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

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

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

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

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

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

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 Sydney to Washington, D.C..

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

Yes momondo offers price alerts on flights to Washington, D.C. from Sydney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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