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Cheap flights from Washington, D.C. to Perth from $987

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington, D.C. to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 November 2025.

Round-trip from

$1,869

One-way from

$987

Popular in

September

Cheapest in

February

Average price

$3,243
4/2-11/2
  • 4/2-11/2
  • 4 total stops
  • 84h 55m total
  • Washington, D.C. to Perth
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9/2
  • 9/2
  • 2 total stops
  • 44h 45m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($441 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($134 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Washington, D.C. to Perth

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Perth
Explore the most affordable flight options available from Washington, D.C. to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.

Wed 3/1209:41DCA - PER
2 stops32h 14mCathay Pacific
Fri 30/108:30PER - DCA
2 stops47h 28mCathay Pacific
Deal found 12/11$2,219
Wed 3/1214:26BWI - PER
3 stops34h 49mMultiple Airlines
Fri 30/105:35PER - BWI
3 stops41h 52mMultiple Airlines
Deal found 12/11$2,448
Wed 3/1218:28BWI - PER
2 stops33h 22mAir New Zealand
Fri 30/118:50PER - BWI
2 stops39h 36mAir New Zealand
Deal found 12/11$2,757
Wed 3/1217:08IAD - PER
2 stops40h 47mCathay Pacific
Fri 30/108:30PER - IAD
2 stops36h 01mCathay Pacific
Deal found 12/11$2,828
Wed 3/1219:40IAD - PER
3 stops30h 45mMultiple Airlines
Fri 30/111:30PER - IAD
2 stops34h 35mMultiple Airlines
Deal found 12/11$2,992
Wed 3/1206:10DCA - PER
3 stops33h 20mMultiple Airlines
Fri 30/123:10PER - DCA
3 stops31h 55mMultiple Airlines
Deal found 12/11$3,389
Wed 3/1220:05IAD - PER
2 stops40h 20mMalaysia Airlines
Thu 29/102:25PER - IAD
2 stops66h 55mMalaysia Airlines
Deal found 12/11$3,469
Thu 11/1212:59DCA - PER
2 stops36h 31mQantas Airways
Thu 18/1217:20PER - DCA
2 stops40h 50mQantas Airways
Deal found 11/11$3,752
Thu 13/1116:59DCA - PER
2 stops39h 01mQantas Airways
Mon 17/1107:15PER - DCA
2 stops26h 44mQantas Airways
Deal found 11/11$4,030
Wed 3/1219:16BWI - PER
2 stops39h 39mSingapore Airlines
Thu 29/101:15PER - BWI
2 stops29h 59mSingapore Airlines
Deal found 12/11$4,032
Wed 3/1220:05IAD - PER
1 stop33h 40mQatar Airways
Fri 30/122:45PER - IAD
1 stop30h 10mQatar Airways
Deal found 12/11$4,074
Thu 13/1114:51DCA - PER
3 stops34h 39mUnited Airlines
Mon 17/1123:45PER - DCA
2 stops34h 58mUnited Airlines
Deal found 10/11$4,416

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Perth 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, Cheapflights users made 647,157 searches. Data last updated 14 November 2025.
Use the filters below to find and compare flights from Washington, D.C. to Perth that are best for you.

Fly from

Washington, D.C.

Fly to

Perth

Route

Depart

Return

Price

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 4/2

09:59-12:35

2 stops37h 36m

Perth

Mon 2/3

01:15-21:59

2 stops33h 44m

$2,089

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 3/12

09:41-06:55

2 stops32h 14m

Perth

Fri 30/1

08:30-18:58

2 stops47h 28m

$2,219

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 11/3

11:59-06:55

2 stops30h 56m

Perth

Wed 25/3

08:30-18:57

2 stops46h 27m

$2,232

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 12/3

11:59-22:55

2 stops46h 56m

Perth

Mon 23/3

08:30-18:57

2 stops46h 27m

$2,232

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 12/3

11:59-22:55

2 stops46h 56m

Perth

Wed 25/3

08:30-18:57

2 stops46h 27m

$2,232

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sun 15/3

11:59-22:55

2 stops46h 56m

Perth

Wed 25/3

08:30-18:57

2 stops46h 27m

$2,309

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sat 7/2

18:42-22:55

2 stops39h 13m

Perth

Wed 11/2

08:30-18:59

2 stops47h 29m

$2,309

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sun 15/3

11:59-22:55

2 stops46h 56m

Perth

Mon 23/3

08:30-18:57

2 stops46h 27m

$2,309

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sat 14/3

18:58-22:55

2 stops39h 57m

Perth

Wed 25/3

08:30-18:57

2 stops46h 27m

$2,309

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 3/2

09:35-06:55

2 stops32h 20m

Perth

Sun 8/2

08:30-18:44

2 stops47h 14m

$2,347

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 36 results
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Best time to book a flight from Washington, D.C. to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Washington, D.C. with our price prediction graph.
Estimated return 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. to Perth
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Perth. 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 Perth from Washington, D.C.?

    Located just 10.2 km from the city centre, Perth is the airport most travellers will use when flying to Perth from Washington, D.C.. Booking flights from Washington, D.C. to Perth (PER) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 0 different airlines.

  • How long is the flight from Washington, D.C. to Perth?

    Cathay Pacific, Qantas Airways, and Etihad Airways can get you from Washington, D.C. to Perth in just under 31h 24m. Your travel time can differ by up to 18h 51m. Washington, D.C. and Perth are separated by a distance of 18607 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. to Perth one-way?

    The cheapest airline one-way is Cathay Pacific, with whom users have recently found tickets for as low as $1,169. However, be on the lookout for offers from Qantas Airways and Qatar Airways, as they are both options that can get you from Washington, D.C. to Perth for a low price.

  • What are the most popular routes from Washington, D.C. to Perth?

    The most popular flight routes from Washington, D.C. to Perth are Washington, D.C. Dulles Intl - Perth, Washington, D.C. Reagan-National - Perth and Baltimore/Washington - Perth.

  • Can I find deals for flights from Washington, D.C. to Perth that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Perth.

  • Can I find deals for business class flights from Washington, D.C. to Perth?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Scarborough
Mandurah
Fremantle
Rottnest Island

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Perth

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Perth flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Washington, D.C. to Perth?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Perth. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Perth?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Washington, D.C. to Perth for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Washington, D.C. to Perth with no change fees?

Need flexible booking options for your flight to Perth from Washington, D.C.? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Perth become cheaper?

Yes, Cheapflights offers price alerts on Washington, D.C. to Perth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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