What is the cheapest airline that flies from District of Columbia to Sydney Kingsford Smith?

Alaska Airlines and United Airlines are the most popular carriers operating from District of Columbia to Sydney Kingsford Smith

What airlines fly to Sydney?

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Sydney from District of Columbia according to our data. United Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 7 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from District of Columbia to Sydney Kingsford Smith Airport?

Prices for flights from District of Columbia to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How many operators does momondo search for flights from District of Columbia to Sydney Kingsford Smith Airport?

As of April 2026, there are 7 operators available to choose from for flights from District of Columbia to Sydney Kingsford Smith Airport.

How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

$496 Cheap Flights from District of Columbia to Sydney in 2026

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Find the cheapest flights from District of Columbia to Sydney

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:40 am - 11:50 am

IAD

SYD

38h 10m

3 stops

1:15 pm - 11:41 am

SYD

IAD

36h 26m

3 stops

$1,064Multiple Airlines

Wed, May 6 - Wed, May 13

5:59 pm - 6:55 am

IAD

SYD

22h 56m

1 stop

12:00 pm - 11:26 pm

SYD

IAD

25h 26m

1 stop

$1,140Qantas Airways

Wed, May 6 - Wed, May 20

7:24 pm - 6:55 am

IAD

SYD

21h 31m

1 stop

12:00 pm - 10:47 pm

SYD

IAD

24h 47m

1 stop

$1,141Qantas Airways

Thu, Jun 4 - Mon, Jun 8

5:16 pm - 7:30 am

DCA

SYD

24h 14m

1 stop

12:00 pm - 6:59 pm

SYD

DCA

20h 59m

1 stop

$1,141Qantas Airways

Mon, Jun 1 - Sat, Jul 25

6:41 pm - 6:55 am

IAD

SYD

22h 14m

1 stop

12:00 pm - 10:47 pm

SYD

IAD

24h 47m

1 stop

$1,155Qantas Airways

Mon, Sep 14 - Wed, Sep 23

5:31 pm - 7:05 am

DCA

SYD

23h 34m

1 stop

12:00 pm - 9:30 pm

SYD

DCA

23h 30m

1 stop

$1,155Qantas Airways

Tue, Jul 7 - Thu, Jul 23

6:41 pm - 6:55 am

IAD

SYD

22h 14m

1 stop

12:00 pm - 10:47 pm

SYD

IAD

24h 47m

1 stop

$1,157Qantas Airways

Tue, Sep 8 - Wed, Sep 30

5:16 pm - 7:30 am

DCA

SYD

24h 14m

1 stop

12:00 pm - 9:30 pm

SYD

DCA

23h 30m

1 stop

$1,172Qantas Airways

Mon, Jun 1 - Thu, Jul 23

4:59 pm - 7:05 am

DCA

SYD

24h 06m

1 stop

12:00 pm - 10:55 pm

SYD

DCA

24h 55m

1 stop

$1,179Qantas Airways

Thu, May 7 - Mon, May 11

8:30 am - 7:05 am

DCA

SYD

32h 35m

1 stop

5:50 pm - 8:00 pm

SYD

DCA

40h 10m

1 stop

$1,182Multiple Airlines

Thu, Apr 23 - Thu, Apr 30

Qantas Airways flights from District of Columbia to Sydney

Our best Qantas Airways deals on District of Columbia to Sydney flight tickets

Qantas Airways

May 6

IAD5:59 pmWashington, D.C. Dulles Intl

22h 56m

1 stop

SYD6:55 amSydney Kingsford Smith

May 20

SYD12:00 pmSydney Kingsford Smith

25h 26m

1 stop

IAD11:26 pmWashington, D.C. Dulles Intl

$1,140

Qantas Airways

Jun 4

IAD7:24 pmWashington, D.C. Dulles Intl

21h 31m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 8

SYD12:00 pmSydney Kingsford Smith

24h 47m

1 stop

IAD10:47 pmWashington, D.C. Dulles Intl

$1,141

Qantas Airways

Sep 14

IAD6:41 pmWashington, D.C. Dulles Intl

22h 14m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 23

SYD12:00 pmSydney Kingsford Smith

24h 47m

1 stop

IAD10:47 pmWashington, D.C. Dulles Intl

$1,155

Turkish Airlines flights from District of Columbia to Sydney

Our best Turkish Airlines deals on District of Columbia to Sydney flight tickets

Turkish Airlines

Apr 15

IAD1:20 pmWashington, D.C. Dulles Intl

39h 50m

2 stops

SYD7:10 pmSydney Kingsford Smith

Apr 21

SYD9:05 pmSydney Kingsford Smith

52h 30m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,312

Turkish Airlines

Apr 22

IAD9:45 pmWashington, D.C. Dulles Intl

31h 25m

2 stops

SYD7:10 pmSydney Kingsford Smith

May 6

SYD9:05 pmSydney Kingsford Smith

52h 30m

2 stops

IAD11:35 amWashington, D.C. Dulles Intl

$1,335

Turkish Airlines

Sep 8

IAD9:45 pmWashington, D.C. Dulles Intl

31h 25m

2 stops

SYD7:10 pmSydney Kingsford Smith

Sep 30

SYD9:05 pmSydney Kingsford Smith

36h 45m

2 stops

IAD7:50 pmWashington, D.C. Dulles Intl

$1,342

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 5/6

7:40 am-11:50 am

3 stops38h 10m

Sydney Kingsford Smith

Wed 5/13

1:15 pm-11:41 am

3 stops36h 26m

$1,064

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 5/6

5:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Wed 5/20

12:00 pm-11:26 pm

1 stop25h 26m

$1,140

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 6/4

7:24 pm-6:55 am

1 stop21h 31m

Sydney Kingsford Smith

Mon 6/8

12:00 pm-10:47 pm

1 stop24h 47m

$1,141

Quickest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 6/1

5:16 pm-7:30 am

1 stop24h 14m

Sydney Kingsford Smith

Sat 7/25

12:00 pm-6:59 pm

1 stop20h 59m

$1,141

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 9/14

6:41 pm-6:55 am

1 stop22h 14m

Sydney Kingsford Smith

Wed 9/23

12:00 pm-10:47 pm

1 stop24h 47m

$1,155

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 7/7

5:31 pm-7:05 am

1 stop23h 34m

Sydney Kingsford Smith

Thu 7/23

12:00 pm-9:30 pm

1 stop23h 30m

$1,155

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 9/8

6:41 pm-6:55 am

1 stop22h 14m

Sydney Kingsford Smith

Wed 9/30

12:00 pm-10:47 pm

1 stop24h 47m

$1,157

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 6/1

5:16 pm-7:30 am

1 stop24h 14m

Sydney Kingsford Smith

Thu 7/23

12:00 pm-9:30 pm

1 stop23h 30m

$1,172

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 5/7

4:59 pm-7:05 am

1 stop24h 06m

Sydney Kingsford Smith

Mon 5/11

12:00 pm-10:55 pm

1 stop24h 55m

$1,179

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 4/23

8:30 am-7:05 am

1 stop32h 35m

Sydney Kingsford Smith

Thu 4/30

5:50 pm-8:00 pm

1 stop40h 10m

$1,182

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from District of Columbia 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

Prices

Airlines

What is the cheapest month to fly to Sydney?

In general, February is the cheapest month to fly from District of Columbia to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,294. If you are unable to visit Sydney during the month of February, then departing from District of Columbia during the month April is also very affordable. Most momondo users find prices during this month for around $1,297.

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

You are more likely to see cheaper flights to Sydney from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,609 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from District of Columbia for as low as $758 on momondo.

Can stopping save me money on District of Columbia to Sydney flights?

You could potentially save up to 41% on your flight if you consider stops on a District of Columbia to Sydney flight.

Cheap District of Columbia to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Sydney

Fastest flight time	22h 14m
Direct flights	None

The fastest flight from District of Columbia to Sydney takes 22h 14m

There are no direct flights from District of Columbia to Sydney. There are no popular flight routes from District of Columbia to Sydney.

Search flight deals

Frequently asked questions about flying from District of Columbia to Sydney

When did momondo last update prices for flights from District of Columbia to Sydney Kingsford Smith Airport?
Prices for flights from District of Columbia to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How many operators does momondo search for flights from District of Columbia to Sydney Kingsford Smith Airport?
As of April 2026, there are 7 operators available to choose from for flights from District of Columbia to Sydney Kingsford Smith Airport.
How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

Best airlines flying from District of Columbia to Sydney

Compare and see reviews for airlines that fly from District of Columbia to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 8,394 reviews	Search Delta flights
United Airlines	PriceFrom $377	Free Cancellation	Rating 7.4 9,560 reviews	Search United Airlines flights
Fiji Airways	PriceFrom $719	Free Cancellation	Rating 8.1 239 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $787	Free Cancellation	Rating 7.5 1,017 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $836	Free Cancellation	Rating 7.1 11,562 reviews	Search American Airlines flights
Air Canada	PriceFrom $841	Free Cancellation	Rating 7.1 10,913 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $1,285	Free Cancellation	Rating 8.0 626 reviews	Search Air New Zealand flights

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Wollongong

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Randwick

Coogee

Leura

Lithgow

Manly

Cronulla

Charlestown

Terrigal

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from District of Columbia to Sydney. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from District of Columbia to Sydney with flexible booking policies on momondo?

All flight searches from District of Columbia to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia 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 District of Columbia to Sydney.

I’m not ready to book a flight from District of Columbia to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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Cheap flights from District of Columbia to Sydney from $496

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Sydney departing on 6/10. 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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Qantas Airways flights from District of Columbia to Sydney

Our best Qantas Airways deals on District of Columbia to Sydney flight tickets

Turkish Airlines flights from District of Columbia to Sydney

Our best Turkish Airlines deals on District of Columbia to Sydney flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Sydney that are best for you.

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How to get the cheapest flight ticket from District of Columbia to Sydney

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on District of Columbia to Sydney flights?

What is the cheapest airline that flies from District of Columbia to Sydney Kingsford Smith?

What airlines fly to Sydney?

Cheap District of Columbia to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Sydney

Fastest flight time

Direct flights

Frequently asked questions about flying from District of Columbia to Sydney

Best airlines flying from District of Columbia to Sydney

Compare and see reviews for airlines that fly from District of Columbia to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Airports servicing New South Wales

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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