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Cheap flights from Washington, D.C. to Perth from $822

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
8 Feb — 15 Feb1
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 9 January 2026.

Round-trip from

$2,056

One-way from

$822

Popular in

December

Cheapest in

June

Average price

$2,324
23/2-2/3
  • 23/2-2/3
  • 4 total stops
  • 84h 00m total
  • Washington, D.C. to Perth
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3/3
  • 3/3
  • 3 total stops
  • 40h 20m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($339 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($111 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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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 9 January 2026.

Mon 14/909:59DCA - PER
2 stops40h 56mMultiple Airlines
Mon 21/923:55PER - DCA
2 stops32h 05mMultiple Airlines
Deal found 8/1$1,961
Tue 1/918:59DCA - PER
2 stops46h 11mMultiple Airlines
Wed 16/913:45PER - DCA
2 stops42h 15mMultiple Airlines
Deal found 8/1$2,050
Mon 23/214:35IAD - PER
2 stops44h 45mMultiple Airlines
Mon 2/306:50PER - IAD
2 stops39h 15mMultiple Airlines
Deal found 8/1$2,056
Tue 1/917:50BWI - PER
2 stops32h 50mMultiple Airlines
Wed 16/916:55PER - BWI
2 stops49h 26mMultiple Airlines
Deal found 8/1$2,194
Mon 23/218:46BWI - PER
2 stops40h 09mMultiple Airlines
Mon 2/317:05PER - BWI
2 stops37h 41mMultiple Airlines
Deal found 8/1$2,225
Mon 14/909:59DCA - PER
2 stops33h 46mCathay Pacific
Sun 20/900:10PER - DCA
2 stops32h 05mCathay Pacific
Deal found 8/1$2,228
Mon 14/917:55IAD - PER
2 stops34h 05mAir New Zealand
Sun 20/900:25PER - IAD
2 stops34h 11mAir New Zealand
Deal found 8/1$2,235
Mon 14/908:37BWI - PER
2 stops43h 23mAir New Zealand
Mon 21/919:50PER - BWI
2 stops38h 44mAir New Zealand
Deal found 8/1$2,235
Mon 23/218:59DCA - PER
2 stops45h 26mMultiple Airlines
Mon 2/317:05PER - DCA
2 stops41h 54mMultiple Airlines
Deal found 8/1$2,280
Sun 22/218:08BWI - PER
2 stops57h 42mAir New Zealand
Sun 1/318:50PER - BWI
2 stops48h 44mAir New Zealand
Deal found 8/1$2,282
Sat 21/220:05IAD - PER
2 stops31h 25mMultiple Airlines
Sat 28/205:35PER - IAD
2 stops47h 20mMultiple Airlines
Deal found 7/1$2,294
Thu 12/318:59DCA - PER
2 stops46h 26mMultiple Airlines
Thu 19/313:50PER - DCA
2 stops42h 10mMultiple Airlines
Deal found 8/1$2,297

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 9 January 2026.
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

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 23/2

14:35-00:20

2 stops44h 45m

Perth

Mon 2/3

06:50-09:05

2 stops39h 15m

$2,056

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 23/2

18:46-23:55

2 stops40h 09m

Perth

Mon 2/3

17:05-17:46

2 stops37h 41m

$2,225

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Mon 23/2

18:59-05:25

2 stops45h 26m

Perth

Mon 2/3

17:05-21:59

2 stops41h 54m

$2,280

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 22/2

18:08-16:50

2 stops57h 42m

Perth

Sun 1/3

18:50-06:34

2 stops48h 44m

$2,282

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 12/3

18:59-05:25

2 stops46h 26m

Perth

Thu 19/3

13:50-20:00

2 stops42h 10m

$2,297

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 23/4

17:50-22:20

2 stops40h 30m

Perth

Sat 2/5

23:50-22:34

2 stops34h 44m

$2,307

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/3

18:46-05:25

2 stops46h 39m

Perth

Thu 19/3

06:40-17:23

2 stops46h 43m

$2,325

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 23/4

22:15-16:00

2 stops53h 45m

Perth

Sat 2/5

23:50-00:44

2 stops36h 54m

$2,330

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 12/3

15:35-19:35

2 stops40h 00m

Perth

Thu 19/3

07:35-10:05

2 stops38h 30m

$2,406

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 1/2

14:35-21:20

2 stops41h 45m

Perth

Wed 18/2

10:30-09:05

2 stops35h 35m

$2,459

Flights are sorted by cheapest return flights first.

Deals found on 7/1

Showing 1-10 of 48 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

How much does it cost for a return flight from Washington, D.C. to Perth?

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?

    Air New Zealand and Cathay Pacific can get you from Washington, D.C. to Perth in just under 32h 20m. Your travel time can differ by up to 25h 22m. Washington, D.C. and Perth are separated by a distance of 18598 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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