Find flights
When to book
FAQs

Cheap flights from Washington, D.C. to Perth from $1,414

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 27/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
17 ott — 24 ott1
1 adult
1 adult, Economy

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 17 settembre 2025.

Round-trip from

$2,030

One-way from

$1,414

Popular in

October

Cheapest in

February

Average price

$3,436
30/10-6/11
  • 30/10-6/11
  • 4 total stops
  • 82h 40m total
  • Washington, D.C. to Perth
Search Deals
27/12
  • 27/12
  • 3 total stops
  • 57h 30m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($1,001 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($163 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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

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 17 settembre 2025.

gio 30/1022:10IAD - PER
2 stops33h 30mMultiple Airlines
gio 6/1123:35PER - IAD
2 stops49h 10mMultiple Airlines
Deal found 15/9$2,030
ven 31/1014:30IAD - PER
2 stops49h 50mMultiple Airlines
ven 7/1105:35PER - IAD
2 stops50h 40mMultiple Airlines
Deal found 16/9$2,150
gio 30/1007:50BWI - PER
3 stops51h 00mMultiple Airlines
mer 5/1100:15PER - BWI
2 stops56h 04mMultiple Airlines
Deal found 14/9$2,159
ven 31/1013:27BWI - PER
2 stops44h 48mMultiple Airlines
ven 7/1123:10PER - BWI
2 stops28h 17mMultiple Airlines
Deal found 16/9$2,280
ven 31/1013:27BWI - PER
2 stops40h 48mQantas Airways
ven 7/1122:40PER - BWI
2 stops28h 47mQantas Airways
Deal found 16/9$2,294
gio 30/1012:31DCA - PER
2 stops30h 24mCathay Pacific
mer 5/1100:25PER - DCA
2 stops35h 35mCathay Pacific
Deal found 15/9$2,349
sab 1/1118:58DCA - PER
2 stops46h 27mMultiple Airlines
sab 8/1113:50PER - DCA
2 stops45h 09mMultiple Airlines
Deal found 16/9$2,357
gio 30/1019:03BWI - PER
2 stops57h 47mAir New Zealand
gio 6/1123:50PER - BWI
2 stops42h 50mAir New Zealand
Deal found 14/9$2,483
ven 31/1009:59DCA - PER
2 stops48h 56mCathay Pacific
gio 6/1100:25PER - DCA
2 stops35h 16mCathay Pacific
Deal found 16/9$2,508
gio 30/1017:54IAD - PER
2 stops41h 01mCathay Pacific
mer 5/1100:25PER - IAD
2 stops35h 07mCathay Pacific
Deal found 15/9$2,642
mer 17/910:49DCA - PER
2 stops32h 56mCathay Pacific
mar 23/900:10PER - DCA
2 stops31h 48mCathay Pacific
Deal found 16/9$2,658
mer 17/911:00IAD - PER
2 stops29h 30mMultiple Airlines
mer 24/921:55PER - IAD
3 stops35h 10mMultiple Airlines
Deal found 16/9$2,703

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 17 settembre 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

gio 30/10

07:50-22:50

3 stops51h 00m

Perth

mer 5/11

00:15-19:19

2 stops56h 04m

$2,159

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

ven 31/10

13:27-22:15

2 stops44h 48m

Perth

ven 7/11

23:10-14:27

2 stops28h 17m

$2,280

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

ven 31/10

13:27-18:15

2 stops40h 48m

Perth

ven 7/11

22:40-14:27

2 stops28h 47m

$2,294

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

gio 30/10

12:31-06:55

2 stops30h 24m

Perth

mer 5/11

00:25-23:00

2 stops35h 35m

$2,349

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

sab 1/11

18:58-05:25

2 stops46h 27m

Perth

sab 8/11

13:50-21:59

2 stops45h 09m

$2,357

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

ven 31/10

10:55-06:55

2 stops32h 00m

Perth

ven 7/11

08:30-22:41

2 stops51h 11m

$2,508

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

mer 15/10

11:50-18:40

2 stops42h 50m

Perth

mer 29/10

22:45-23:48

2 stops37h 03m

$2,785

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

sab 13/12

18:28-16:50

2 stops57h 22m

Perth

sab 17/1

23:50-07:32

2 stops44h 42m

$2,932

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

mer 15/10

22:05-21:45

3 stops35h 40m

Perth

mar 28/10

02:25-16:50

2 stops50h 25m

$3,067

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

gio 30/10

18:35-12:30

2 stops29h 55m

Perth

gio 6/11

22:30-17:28

2 stops31h 58m

$3,126

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 41 results
1
2
3
...
5

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?

    Qantas Airways, Cathay Pacific, and Qatar Airways can get you from Washington, D.C. to Perth in just under 30h 24m. Your travel time can differ by up to 10h 24m. 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 cheapest airlines to fly from Washington, D.C. to Perth one-way?

    The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $2,101. However, be on the lookout for offers from Cathay Pacific 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Perth?

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Perth (average of $286). Flying from Washington, D.C. to Perth in December is currently the most expensive (average of $409). 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

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.