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Cheap flights from Sydney to Washington, D.C. from $721

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 4/14. 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
11:20 am - 10:25 pm
SYD
-
BWI
27h 05m2 stops
Multiple Airlines Logo
4:09 pm - 9:35 am
BWI
-
SYD
25h 26m2 stops
$1,067Multiple Airlines
Mon, Feb 2 - Thu, Feb 19
Air Canada Logo
11:20 am - 3:33 pm
SYD
-
DCA
44h 13m2 stops
Air Canada Logo
8:40 pm - 9:35 am
DCA
-
SYD
44h 55m2 stops
$1,077Air Canada
Mon, Jan 26 - Mon, Feb 9
Air New Zealand Logo
1:55 pm - 12:59 am
SYD
-
IAD
27h 04m2 stops
Air New Zealand Logo
12:50 pm - 8:45 am
IAD
-
SYD
27h 55m2 stops
$1,122Air New Zealand
Sun, Jan 25 - Sun, Feb 1
Air New Zealand Logo
9:55 am - 8:56 pm
SYD
-
DCA
27h 01m2 stops
Air New Zealand Logo
2:45 pm - 8:45 am
DCA
-
SYD
26h 00m2 stops
$1,122Air New Zealand
Sun, Jan 25 - Sun, Feb 1
British Airways Logo
11:20 am - 3:36 pm
SYD
-
DCA
20h 16m1 stop
British Airways Logo
11:38 am - 9:00 am
DCA
-
SYD
29h 22m2 stops
$1,153British Airways
Mon, Jan 26 - Mon, Feb 9
British Airways Logo
11:20 am - 3:36 pm
SYD
-
DCA
20h 16m1 stop
British Airways Logo
5:30 pm - 9:00 am
DCA
-
SYD
23h 30m1 stop
$1,156British Airways
Mon, Jan 26 - Mon, Feb 9
Qantas Airways Logo
7:20 am - 2:49 pm
SYD
-
BWI
23h 29m2 stops
Qantas Airways Logo
3:41 pm - 10:55 am
BWI
-
SYD
27h 14m2 stops
$1,170Qantas Airways
Mon, Jan 26 - Mon, Feb 9
Qantas Airways Logo
7:05 am - 2:49 pm
SYD
-
BWI
23h 44m2 stops
Qantas Airways Logo
3:41 pm - 11:35 am
BWI
-
SYD
27h 54m2 stops
$1,177Qantas Airways
Sun, Jan 25 - Sun, Feb 1
United Airlines Logo
11:20 am - 8:49 pm
SYD
-
IAD
25h 29m2 stops
United Airlines Logo
4:10 pm - 6:20 am
IAD
-
SYD
22h 10m1 stop
$1,181United Airlines
Mon, Jan 12 - Mon, Jan 26
United Airlines Logo
12:10 pm - 4:52 pm
SYD
-
DCA
20h 42m1 stop
United Airlines Logo
2:45 pm - 9:05 am
DCA
-
SYD
26h 20m2 stops
$1,181United Airlines
Mon, Jan 12 - Mon, Jan 26

Air Canada flights from Sydney to Washington, D.C.

Our best Air Canada deals on Sydney to Washington, D.C. flight tickets
Air Canada
Jan 26
SYD11:20 amSydney Kingsford Smith
44h 13m
2 stops
DCA3:33 pmWashington, D.C. Reagan-National
Feb 9
DCA8:40 pmWashington, D.C. Reagan-National
44h 55m
2 stops
SYD9:35 amSydney Kingsford Smith
$1,077
Find similar
Air Canada
Feb 2
SYD11:20 amSydney Kingsford Smith
25h 09m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
Feb 19
IAD12:33 pmWashington, D.C. Dulles Intl
29h 02m
2 stops
SYD9:35 amSydney Kingsford Smith
$1,116
Find similar
Air Canada
May 12
SYD9:20 amSydney Kingsford Smith
24h 38m
2 stops
DCA7:58 pmWashington, D.C. Reagan-National
May 13
DCA8:40 pmWashington, D.C. Reagan-National
44h 40m
2 stops
SYD7:20 amSydney Kingsford Smith
$1,476
Find similar

United Airlines flights from Sydney to Washington, D.C.

Our best United Airlines deals on Sydney to Washington, D.C. flight tickets
United Airlines
Jan 12
SYD11:20 amSydney Kingsford Smith
25h 29m
2 stops
IAD8:49 pmWashington, D.C. Dulles Intl
Jan 26
IAD4:10 pmWashington, D.C. Dulles Intl
22h 10m
1 stop
SYD6:20 amSydney Kingsford Smith
$1,181
Find similar
United Airlines
Jan 12
SYD2:00 pmSydney Kingsford Smith
25h 18m
2 stops
IAD11:18 pmWashington, D.C. Dulles Intl
Jan 26
IAD4:10 pmWashington, D.C. Dulles Intl
22h 10m
1 stop
SYD6:20 amSydney Kingsford Smith
$1,183
Find similar
United Airlines
Jan 12
SYD2:00 pmSydney Kingsford Smith
22h 54m
1 stop
IAD8:54 pmWashington, D.C. Dulles Intl
Jan 26
IAD6:00 pmWashington, D.C. Dulles Intl
23h 05m
1 stop
SYD9:05 amSydney Kingsford Smith
$1,190
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sydney to Washington, D.C. 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 December 11, 2025.
Use the filters below to find and compare flights from Sydney to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Mon 2/2

11:20 am-10:25 pm

2 stops27h 05m

Baltimore/Washington

Thu 2/19

4:09 pm-9:35 am

2 stops25h 26m

$1,067

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 1/26

11:20 am-3:33 pm

2 stops44h 13m

Washington, D.C. Reagan-National

Mon 2/9

8:40 pm-9:35 am

2 stops44h 55m

$1,077

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sun 1/25

1:55 pm-12:59 am

2 stops27h 04m

Washington, D.C. Dulles Intl

Sun 2/1

12:50 pm-8:45 am

2 stops27h 55m

$1,122

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Sun 1/25

9:55 am-8:56 pm

2 stops27h 01m

Washington, D.C. Reagan-National

Sun 2/1

2:45 pm-8:45 am

2 stops26h 00m

$1,122

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 1/26

11:20 am-3:36 pm

1 stop20h 16m

Washington, D.C. Reagan-National

Mon 2/9

11:38 am-9:00 am

2 stops29h 22m

$1,153

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 1/26

11:20 am-3:36 pm

1 stop20h 16m

Washington, D.C. Reagan-National

Mon 2/9

5:30 pm-9:00 am

1 stop23h 30m

$1,156

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Mon 1/26

7:20 am-2:49 pm

2 stops23h 29m

Baltimore/Washington

Mon 2/9

3:41 pm-10:55 am

2 stops27h 14m

$1,170

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Sun 1/25

7:05 am-2:49 pm

2 stops23h 44m

Baltimore/Washington

Sun 2/1

3:41 pm-11:35 am

2 stops27h 54m

$1,177

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 1/12

11:20 am-8:49 pm

2 stops25h 29m

Washington, D.C. Dulles Intl

Mon 1/26

4:10 pm-6:20 am

1 stop22h 10m

$1,181

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 1/12

12:10 pm-4:52 pm

1 stop20h 42m

Washington, D.C. Reagan-National

Mon 1/26

2:45 pm-9:05 am

2 stops26h 20m

$1,181

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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.

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 Sydney and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Sydney, with most prices found around $810. If you’re not able to fly to Washington, D.C. in February, then August is your next best option. Flight prices from Sydney to Washington, D.C. during August average around $1,021.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Sydney is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $930. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to Washington, D.C. for around $1,740.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening is the cheapest time of day to fly from Sydney to Washington, D.C. when you can find flight prices for as low as $1,117. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $1,871. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,249 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Sydney for as low as $1,071 on momondo.

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

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

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

As of December 2025, prices for Sydney to Washington, D.C. flights are approximately 53% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Washington, D.C. 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. (SYD to WAS) flight deals and tips

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

Fastest flight time

20h 06m

Direct flights

None
The fastest flight from Sydney to Washington, D.C. takes 20h 06m
There are no direct flights from Sydney to Washington, D.C.. There are no popular flight routes from Sydney to Washington, D.C..
Search flight deals

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

    A flight from Sydney Kingsford Smith to Washington, D.C. will travel around 9755.6 mi. In terms of flight time, this usually takes a little over 20h 06m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Washington, D.C..

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

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Compare and see reviews for airlines that fly from Sydney to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $885Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

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
Gaithersburg
Reston
Manassas
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.?

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 Sydney to Washington, D.C. for you.

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

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

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

momondo helps you find the best flight between Sydney and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 can track prices for Sydney to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport