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Cheap flights from Washington, D.C. to Perth from $1,989

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
30 jan — 6 fev1
1 adult
1 adult, Economy, 0 bags

Cheap 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 31 dezembro 2025.

ter 30/1215:14BWI - PER
2 stops55h 16mQantas Airways
ter 6/105:25PER - BWI
2 stops46h 24mQantas Airways
Deal found 29/12$3,027
ter 30/1218:07IAD - PER
2 stops47h 48mMultiple Airlines
ter 6/116:35PER - IAD
1 stop28h 45mMultiple Airlines
Deal found 29/12$3,767
ter 30/1209:36DCA - PER
2 stops32h 19mCathay Pacific
seg 5/100:25PER - DCA
2 stops53h 43mCathay Pacific
Deal found 29/12$4,855
ter 30/1206:30BWI - PER
2 stops33h 55mUnited Airlines
ter 6/123:45PER - BWI
3 stops35h 40mUnited Airlines
Deal found 29/12$4,919
ter 30/1220:05IAD - PER
1 stop26h 50mQatar Airways
ter 6/116:35PER - IAD
1 stop28h 45mQatar Airways
Deal found 29/12$4,952
ter 30/1207:45IAD - PER
2 stops49h 35mAir New Zealand
ter 6/118:50PER - IAD
2 stops39h 29mAir New Zealand
Deal found 29/12$5,680

Find 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 31 dezembro 2025.

Round-trip from

$2,072

One-way from

$1,989

Popular in

September

Cheapest in

August

Average price

$3,482
27/1-3/2
  • 27/1-3/2
  • 4 total stops
  • 84h 55m total
  • Washington, D.C. to Perth
Search Deals
Qantas Airways
  • Qantas Airways
  • 4/3
  • 2 total stops
  • 31h 44m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($192 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($107 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 31 dezembro 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

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

qua 25/2

18:46-23:55

2 stops40h 09m

Perth

ter 17/3

13:50-20:53

2 stops43h 03m

$2,092

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

qua 25/2

06:45-06:55

2 stops35h 10m

Perth

ter 17/3

08:30-15:59

2 stops43h 29m

$2,096

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

sáb 28/2

18:37-22:55

2 stops39h 18m

Perth

dom 15/3

08:30-20:41

2 stops48h 11m

$2,171

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

qui 7/5

17:50-23:55

2 stops42h 05m

Perth

seg 18/5

13:45-16:47

2 stops39h 02m

$2,287

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

qua 4/3

09:35-22:55

2 stops48h 20m

Perth

dom 8/3

08:30-17:55

2 stops46h 25m

$2,299

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

qui 12/2

15:21-12:25

2 stops32h 04m

Perth

qui 19/2

22:40-14:30

2 stops28h 50m

$2,329

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

seg 26/1

11:50-09:55

2 stops33h 05m

Perth

seg 2/2

07:15-21:00

2 stops26h 45m

$2,350

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

qui 12/3

15:21-12:25

2 stops33h 04m

Perth

qui 19/3

17:45-14:30

2 stops32h 45m

$2,369

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

qui 12/2

16:59-12:25

2 stops30h 26m

Perth

qui 19/2

22:45-20:05

2 stops34h 20m

$2,378

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

seg 26/1

15:41-16:45

2 stops36h 04m

Perth

seg 2/2

07:15-23:10

2 stops28h 55m

$2,383

Flights are sorted by cheapest return flights first.

Deals found on 29/12

Showing 1-10 of 59 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, Singapore Airlines, and Qantas Airways can get you from Washington, D.C. to Perth in just under 32h 04m. Your travel time can differ by up to 10h 01m. 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 most popular routes from Washington, D.C. to Perth?

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