What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Sydney round-trip?

Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Sydney round-trip from $1,232. Other airlines that can offer you cheap pricing are Air Canada, from $1,320, and Alaska Airlines, from $1,420.

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Sydney one-way?

To fly one-way, consider booking your trip with Fiji Airways, which is currently one of the cheapest options available, starting at $682. Alaska Airlines flights start at $812 while deals on Philippine Airlines start at $878 one-way.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Sydney?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Sydney flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular airlines that fly from Washington, D.C. Reagan-National Airport to Sydney?

American Airlines, Delta and Qantas Airways are the most popular airlines when flying from Washington, D.C. Reagan-National Airport to Sydney.

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Sydney?

Flights from Washington, D.C. Reagan-National Airport to Sydney are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Sydney?

The best pricing can be found in the month of August. Prices to Sydney from Washington, D.C. Reagan-National Airport average $1,210. You can even find prices in August for less than $1,210, as users have found deals to Sydney from as low as $798. The month of December appears to be one of the more expensive times to travel to Sydney from Washington, D.C. Reagan-National Airport. Flying in the targeted month can save you up to 45%.

What airport do you fly into for flights to Sydney from Washington, D.C. Reagan-National?

If you book a flight to Sydney from Washington, D.C. Reagan-National, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 0 flights from Washington, D.C. Reagan-National to Kingsford Smith per day from 4 different airlines.

Can I find deals for flights from Reagan-National to Sydney that include hotel bookings?

Yes. In addition to deals on Reagan-National to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Sydney.

Can I find deals for business class flights from Reagan-National to Sydney?

Yes. Cheapflights offers flight deals from Reagan-National to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$491+ Flights from Washington, D.C. Reagan-National Airport to Sydney

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Cheap flight deals from Reagan-National to Sydney

Round-trip from	$1,232 (oojo)
One-way from	$491 (Kiwi.com)
Popular in	January
Cheapest in	March
Average price	$1,344

From Washington, D.C. Reagan-National to Sydney Kingsford Smith

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One-way flight from Washington, D.C. Reagan-National to Sydney Kingsford Smith

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Highest demand for flights based on searches. 13% potential increase in price ($183 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($54 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Reagan-National to Sydney

Cheapest flights from Reagan-National to Sydney
Explore the most affordable flight options available from Reagan-National to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Sat 11/17:28 pmDCA - SYD

2 stops26h 02mFiji Airways

Sat 11/82:30 pmSYD - DCA

2 stops22h 30mFiji Airways

Deal found 7/27

$1,232

Tue 9/99:59 amDCA - SYD

2 stops38h 41mMultiple Airlines

Tue 9/165:45 pmSYD - DCA

1 stop41h 14mMultiple Airlines

Deal found 7/26

$1,261

Tue 11/1111:05 amDCA - SYD

2 stops30h 30mAir Canada

Sun 11/2311:20 amSYD - DCA

2 stops39h 06mAir Canada

Deal found 7/26

$1,320

Tue 9/26:59 pmDCA - SYD

2 stops34h 46mAlaska Airlines

Fri 9/129:40 pmSYD - DCA

2 stops34h 19mAlaska Airlines

Deal found 7/27

$1,420

Best flights from Reagan-National to Sydney
Discover carefully curated flight deals from Reagan-National to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Sat 10/257:28 pmDCA - SYD

2 stops26h 17mFiji Airways

Sat 11/152:30 pmSYD - DCA

2 stops22h 30mFiji Airways

Deal found 7/27

$1,232

Tue 9/99:59 amDCA - SYD

2 stops38h 41mMultiple Airlines

Tue 9/165:45 pmSYD - DCA

1 stop41h 14mMultiple Airlines

Deal found 7/26

$1,261

Tue 9/169:40 amDCA - SYD

2 stops31h 40mAir Canada

Tue 9/239:20 amSYD - DCA

2 stops26h 31mAir Canada

Deal found 7/26

$1,320

Tue 9/26:59 pmDCA - SYD

2 stops34h 46mAlaska Airlines

Fri 9/129:40 pmSYD - DCA

2 stops34h 19mAlaska Airlines

Deal found 7/27

$1,420

Sun 9/145:30 pmDCA - SYD

1 stop23h 35mQantas Airways

Tue 9/239:10 amSYD - DCA

1 stop25h 49mQantas Airways

Deal found 7/26

$1,494

Tue 10/145:25 pmDCA - SYD

1 stop23h 40mAmerican Airlines

Tue 2/1011:15 amSYD - DCA

1 stop25h 40mAmerican Airlines

Deal found 7/27

$1,528

Last-minute flights from Reagan-National to Sydney
Discover last-minute flight deals from Reagan-National to Sydney. Data last updated July 28, 2025 and is based on user searches.

Sat 8/25:55 pmDCA - SYD

2 stops38h 15mFiji Airways

Fri 8/226:00 amSYD - DCA

2 stops49h 59mFiji Airways

Deal found 7/27

$1,551

Sat 8/24:17 pmDCA - SYD

2 stops48h 43mUnited Airlines

Fri 8/1510:20 amSYD - DCA

1 stop20h 30mUnited Airlines

Deal found 7/27

$2,293

Sun 8/35:30 pmDCA - SYD

1 stop23h 35mQantas Airways

Wed 8/2012:10 pmSYD - DCA

1 stop27h 06mQantas Airways

Deal found 7/27

$1,788

Sun 8/35:10 pmDCA - SYD

2 stops23h 45mAmerican Airlines

Wed 8/209:10 amSYD - DCA

1 stop21h 01mAmerican Airlines

Deal found 7/27

$1,850

Sun 8/38:20 amDCA - SYD

3 stops43h 30mAir Tahiti Nui

Wed 8/207:25 pmSYD - DCA

3 stops39h 34mAir Tahiti Nui

Deal found 7/27

$2,499

Mon 8/47:32 pmDCA - SYD

2 stops34h 38mCathay Pacific

Thu 8/147:00 amSYD - DCA

3 stops41h 27mCathay Pacific

Deal found 7/28

$2,490

Mon 8/46:20 pmDCA - SYD

3 stops49h 15mLATAM Airlines

Thu 8/1411:50 amSYD - DCA

3 stops37h 30mLATAM Airlines

Deal found 7/26

$3,539

Mon 8/47:06 pmDCA - SYD

3 stops44h 14mBritish Airways

Thu 8/142:40 pmSYD - DCA

3 stops41h 47mBritish Airways

Deal found 7/28

$4,507

Tue 8/59:40 amDCA - SYD

2 stops31h 40mAir Canada

Tue 8/129:20 amSYD - DCA

2 stops26h 28mAir Canada

Deal found 7/26

$1,560

Tue 8/511:05 amDCA - SYD

2 stops31h 40mAir New Zealand

Tue 8/1210:20 amSYD - DCA

1 stop20h 30mAir New Zealand

Deal found 7/26

$1,862

Tue 8/512:00 pmDCA - SYD

3 stops30h 45mMultiple Airlines

Tue 8/129:55 amSYD - DCA

2 stops26h 20mMultiple Airlines

Deal found 7/27

$2,637

Tue 8/127:31 pmDCA - SYD

2 stops36h 39mFiji Airways

Tue 8/261:15 pmSYD - DCA

2 stops23h 44mFiji Airways

Deal found 7/26

$1,283

One-way flights from Reagan-National to Sydney
Search for one-way flight options from Reagan-National to Sydney. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Mon 9/156:55 pmDCA - SYD

2 stops53h 45mMultiple Airlines

Deal found 7/28

$491

Tue 8/127:31 pmDCA - SYD

2 stops36h 39mFiji Airways

Deal found 7/28

$682

Tue 9/96:59 pmDCA - SYD

2 stops34h 46mAlaska Airlines

Deal found 7/26

$812

Fri 8/155:30 pmDCA - SYD

2 stops48h 30mPhilippine Airlines

Deal found 7/27

$878

Wed 8/66:30 amDCA - SYD

2 stops36h 10mCathay Pacific

Deal found 7/26

$904

Tue 9/305:59 pmDCA - SYD

1 stop22h 56mUnited Airlines

Deal found 7/27

$916

Fri 10/245:25 pmDCA - SYD

1 stop23h 40mQantas Airways

Deal found 7/26

$944

Mon 9/85:30 pmDCA - SYD

1 stop23h 35mAmerican Airlines

Deal found 7/27

$1,005

Tue 8/269:40 amDCA - SYD

3 stops31h 40mAir Canada

Deal found 7/28

$1,104

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 10/25

7:28 pm-12:45 pm

2 stops26h 17m

Sydney Kingsford Smith

Sat 11/15

2:30 pm-9:00 pm

2 stops22h 30m

$1,232

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 9/9

9:59 am-2:40 pm

2 stops38h 41m

Sydney Kingsford Smith

Tue 9/16

5:45 pm-8:59 pm

1 stop41h 14m

$1,261

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 9/16

9:40 am-7:20 am

2 stops31h 40m

Sydney Kingsford Smith

Tue 9/23

9:20 am-9:51 pm

2 stops26h 31m

$1,320

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 9/2

6:59 pm-7:45 pm

2 stops34h 46m

Sydney Kingsford Smith

Fri 9/12

9:40 pm-5:59 pm

2 stops34h 19m

$1,420

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 9/14

5:30 pm-7:05 am

1 stop23h 35m

Sydney Kingsford Smith

Tue 9/23

9:10 am-8:59 pm

1 stop25h 49m

$1,494

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 10/14

5:25 pm-8:05 am

1 stop23h 40m

Sydney Kingsford Smith

Tue 2/10

11:15 am-8:55 pm

1 stop25h 40m

$1,528

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 9/15

6:55 pm-2:40 pm

2 stops53h 45m

$491

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 8/12

7:31 pm-10:10 pm

2 stops36h 39m

$682

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 9/9

6:59 pm-7:45 pm

2 stops34h 46m

$812

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 8/15

5:30 pm-8:00 am

2 stops48h 30m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 15 results

Best time to book a flight from Reagan-National to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Reagan-National with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Sydney

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Sydney?

The price you pay for your flight from Washington, D.C. Reagan-National Airport to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 11 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sydney?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $1,028). Flying from Washington, D.C. Reagan-National Airport to Sydney in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to SYD?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 40% on flights from Washington, D.C. Reagan-National Airport to Sydney by exploring options for tickets in the evening.

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown Alaska Airlines, Fiji Airways, and Cathay Pacific from Washington, D.C. Reagan-National Airport to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Fiji Airways

8.0

Very good

202 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Cathay Pacific

7.6

Good

944 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Qantas Airways

7.5

Good

883 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

United Airlines

7.4

Good

8,893 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

What airport do you fly into for flights to Sydney from Washington, D.C. Reagan-National?
If you book a flight to Sydney from Washington, D.C. Reagan-National, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 0 flights from Washington, D.C. Reagan-National to Kingsford Smith per day from 4 different airlines.
What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Sydney round-trip?
Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Sydney round-trip from $1,232. Other airlines that can offer you cheap pricing are Air Canada, from $1,320, and Alaska Airlines, from $1,420.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Sydney one-way?
To fly one-way, consider booking your trip with Fiji Airways, which is currently one of the cheapest options available, starting at $682. Alaska Airlines flights start at $812 while deals on Philippine Airlines start at $878 one-way.
Can I find deals for flights from Reagan-National to Sydney that include hotel bookings?
Yes. In addition to deals on Reagan-National to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Sydney.
Can I find deals for business class flights from Reagan-National to Sydney?
Yes. Cheapflights offers flight deals from Reagan-National to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sydney?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $1,028). Flying from Washington, D.C. Reagan-National Airport to Sydney in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to Sydney

Top 4 airlines flying from Reagan-National to Sydney

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$346	Average$1,716	FlexibilityNo cancel fee	On-time69%
Qantas Airways	Cheapest$815	Average$1,139	FlexibilityNo cancel fee	On-time74%
American Airlines	Cheapest$833	Average$925	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$848	Average$910	FlexibilityNo cancel fee	On-timeN/A

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$491+ Cheap flights from Reagan-National (DCA) to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Reagan-National to Sydney

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Find flight deals from Reagan-National to Sydney

Cheapest flights from Reagan-National to SydneyExplore the most affordable flight options available from Reagan-National to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Explore the most affordable flight options available from Reagan-National to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sydney that are best for you.

Best time to book a flight from Reagan-National to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Sydney

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Sydney. Price data was last updated on July 25, 2025.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sydney?

What is the cheapest time of day to fly from DCA to SYD?

Find hourly flight availability from Reagan-National to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated July 28, 2025.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from Washington, D.C. Reagan-National?

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Sydney round-trip?

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Sydney one-way?

Can I find deals for flights from Reagan-National to Sydney that include hotel bookings?

How can I find direct flights from Reagan-National to Sydney?

Can I find deals for business class flights from Reagan-National to Sydney?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sydney?

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Alternative routes for Reagan-National to Sydney

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Top 4 airlines flying from Reagan-National to Sydney

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Cheapest flights from Reagan-National to Sydney
Explore the most affordable flight options available from Reagan-National to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.