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Cheap flights from Sydney to Washington, D.C. from $498

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 4/15. 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 Sydney to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:20 am - 3:49 pm
SYD
-
IAD
44h 29m
2 stops
Air Canada Logo
9:45 am - 9:35 am
IAD
-
SYD
31h 50m
2 stops
$1,137Air Canada
Wed, Feb 25 - Wed, Mar 4
Hawaiian Airlines Logo
9:40 pm - 10:59 pm
SYD
-
DCA
41h 19m
2 stops
Hawaiian Airlines Logo
6:00 am - 7:45 pm
DCA
-
SYD
45h 45m
2 stops
$1,143Hawaiian Airlines
Tue, Feb 10 - Thu, Feb 26
Qantas Airways Logo
6:30 am - 2:49 pm
SYD
-
BWI
24h 19m
2 stops
Qantas Airways Logo
3:21 pm - 1:00 pm
BWI
-
SYD
29h 39m
2 stops
$1,149Qantas Airways
Wed, Feb 11 - Sun, Feb 15
Qantas Airways Logo
6:30 am - 2:49 pm
SYD
-
BWI
24h 19m
2 stops
Qantas Airways Logo
3:21 pm - 11:35 am
BWI
-
SYD
28h 14m
2 stops
$1,153Qantas Airways
Wed, Feb 11 - Sun, Feb 15
Delta Logo
2:15 pm - 10:02 pm
SYD
-
BWI
23h 47m
2 stops
Delta Logo
10:33 am - 6:50 am
BWI
-
SYD
28h 17m
2 stops
$1,179Delta
Mon, Feb 9 - Sun, Feb 22
United Airlines Logo
10:20 am - 5:52 am
SYD
-
BWI
33h 32m
1 stop
United Airlines Logo
6:31 pm - 6:55 am
BWI
-
SYD
22h 24m
1 stop
$1,181United Airlines
Mon, Jul 20 - Sun, Sep 13
United Airlines Logo
9:30 am - 8:57 pm
SYD
-
BWI
25h 27m
2 stops
United Airlines Logo
4:15 pm - 7:00 am
BWI
-
SYD
24h 45m
2 stops
$1,185United Airlines
Thu, Jul 16 - Sun, Jul 26
American Airlines Logo
11:20 am - 8:44 pm
SYD
-
DCA
25h 24m
1 stop
American Airlines Logo
8:30 am - 9:00 am
DCA
-
SYD
32h 30m
1 stop
$1,209American Airlines
Mon, Feb 9 - Wed, Feb 25
American Airlines Logo
11:20 am - 8:44 pm
SYD
-
DCA
25h 24m
1 stop
American Airlines Logo
3:59 pm - 6:55 am
DCA
-
SYD
22h 56m
1 stop
$1,217American Airlines
Tue, Feb 10 - Wed, Feb 25
Delta Logo
10:40 am - 5:46 pm
SYD
-
BWI
23h 06m
2 stops
Delta Logo
10:33 am - 8:30 am
BWI
-
SYD
29h 57m
2 stops
$1,222Delta
Sat, Feb 7 - Wed, Feb 25

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

Our best Air New Zealand deals on Sydney to Washington, D.C. flight tickets
Air New Zealand
Feb 14
SYD11:45 amSydney Kingsford Smith
29h 23m
2 stops
IAD1:08 amWashington, D.C. Dulles Intl
Feb 22
IAD12:35 pmWashington, D.C. Dulles Intl
28h 10m
2 stops
SYD8:45 amSydney Kingsford Smith
$1,262
Air New Zealand
Feb 15
SYD11:45 amSydney Kingsford Smith
26h 31m
2 stops
IAD10:16 pmWashington, D.C. Dulles Intl
Feb 23
IAD12:35 pmWashington, D.C. Dulles Intl
28h 10m
2 stops
SYD8:45 amSydney Kingsford Smith
$1,264
Air New Zealand
Feb 1
SYD11:45 amSydney Kingsford Smith
29h 14m
2 stops
IAD12:59 amWashington, D.C. Dulles Intl
Feb 3
IAD3:19 pmWashington, D.C. Dulles Intl
35h 46m
2 stops
SYD7:05 pmSydney Kingsford Smith
$1,364

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

Our best Air Canada deals on Sydney to Washington, D.C. flight tickets
Air Canada
Feb 25
SYD11:20 amSydney Kingsford Smith
44h 29m
2 stops
IAD3:49 pmWashington, D.C. Dulles Intl
Mar 4
IAD9:45 amWashington, D.C. Dulles Intl
31h 50m
2 stops
SYD9:35 amSydney Kingsford Smith
$1,137
Air Canada
Jan 29
SYD11:20 amSydney Kingsford Smith
50h 05m
2 stops
IAD9:25 pmWashington, D.C. Dulles Intl
Feb 10
IAD12:43 pmWashington, D.C. Dulles Intl
28h 52m
2 stops
SYD9:35 amSydney Kingsford Smith
$1,241
Air Canada
Feb 12
SYD11:20 amSydney Kingsford Smith
26h 03m
2 stops
IAD9:23 pmWashington, D.C. Dulles Intl
Feb 16
IAD9:45 amWashington, D.C. Dulles Intl
31h 50m
2 stops
SYD9:35 amSydney Kingsford Smith
$1,245

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 January 28, 2026.
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

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 2/25

11:20 am-3:49 pm

2 stops44h 29m

Washington, D.C. Dulles Intl

Wed 3/4

9:45 am-9:35 am

2 stops31h 50m

$1,137

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Tue 2/10

9:40 pm-10:59 pm

2 stops41h 19m

Washington, D.C. Reagan-National

Thu 2/26

6:00 am-7:45 pm

2 stops45h 45m

$1,143

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Wed 2/11

6:30 am-2:49 pm

2 stops24h 19m

Baltimore/Washington

Sun 2/15

3:21 pm-1:00 pm

2 stops29h 39m

$1,149

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Wed 2/11

6:30 am-2:49 pm

2 stops24h 19m

Baltimore/Washington

Sun 2/15

3:21 pm-11:35 am

2 stops28h 14m

$1,153

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Mon 2/9

2:15 pm-10:02 pm

2 stops23h 47m

Baltimore/Washington

Sun 2/22

10:33 am-6:50 am

2 stops28h 17m

$1,179

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Mon 7/20

10:20 am-5:52 am

1 stop33h 32m

Baltimore/Washington

Sun 9/13

6:31 pm-6:55 am

1 stop22h 24m

$1,181

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Thu 7/16

9:30 am-8:57 pm

2 stops25h 27m

Baltimore/Washington

Sun 7/26

4:15 pm-7:00 am

2 stops24h 45m

$1,185

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Mon 2/9

11:20 am-8:44 pm

1 stop25h 24m

Washington, D.C. Reagan-National

Wed 2/25

8:30 am-9:00 am

1 stop32h 30m

$1,209

SydneyWashington, D.C.

SYD - DCA

SYDDCA

Sydney Kingsford Smith

Tue 2/10

11:20 am-8:44 pm

1 stop25h 24m

Washington, D.C. Reagan-National

Wed 2/25

3:59 pm-6:55 am

1 stop22h 56m

$1,217

SydneyBaltimore

SYD - BWI

SYDBWI

Sydney Kingsford Smith

Sat 2/7

10:40 am-5:46 pm

2 stops23h 06m

Baltimore/Washington

Wed 2/25

10:33 am-8:30 am

2 stops29h 57m

$1,222

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 $847. If you’re not able to fly to Washington, D.C. in February, then January is your next best option. Flight prices from Sydney to Washington, D.C. during January average around $861.

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 $1,193 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 $1,082 on momondo.

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

You could potentially save up to 10% 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 January 2026, prices for Sydney to Washington, D.C. flights are approximately 26% 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 25m

Direct flights

None
The fastest flight from Sydney to Washington, D.C. takes 20h 25m
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 25m.

  • 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
9,209 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
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Reston

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