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Cheap flights from Washington, D.C. to Perth from $804

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
18 Feb — 25 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 19 January 2026.

Round-trip from

$1,960

One-way from

$804

Popular in

December

Cheapest in

June

Average price

$2,328
3/3-10/3
  • 3/3-10/3
  • 4 total stops
  • 80h 50m total
  • Washington, D.C. to Perth
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15/2
  • 15/2
  • 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 ($341 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($112 potential savings vs. average return price).
Search Deals
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 19 January 2026.

Tue 3/314:35
IAD
-
PER
2 stops42h 10m
Multiple Airlines
Tue 10/307:25
PER
-
IAD
2 stops38h 40m
Multiple Airlines
Deal found 17/1$1,960
Tue 17/221:15
IAD
-
PER
2 stops42h 00m
Multiple Airlines
Tue 24/205:35
PER
-
IAD
2 stops50h 45m
Multiple Airlines
Deal found 18/1$2,016
Tue 3/318:59
DCA
-
PER
2 stops45h 26m
Multiple Airlines
Tue 10/313:50
PER
-
DCA
2 stops42h 15m
Multiple Airlines
Deal found 17/1$2,144
Wed 2/919:10
BWI
-
PER
2 stops40h 45m
Multiple Airlines
Sun 6/906:25
PER
-
BWI
2 stops36h 36m
Multiple Airlines
Deal found 17/1$2,182
Thu 5/1109:48
DCA
-
PER
2 stops32h 07m
Cathay Pacific
Wed 18/1100:25
PER
-
DCA
2 stops31h 29m
Cathay Pacific
Deal found 17/1$2,234
Wed 2/919:18
IAD
-
PER
2 stops40h 37m
Multiple Airlines
Sat 5/901:10
PER
-
IAD
2 stops42h 18m
Multiple Airlines
Deal found 17/1$2,236
Thu 5/1117:03
IAD
-
PER
2 stops40h 52m
Multiple Airlines
Wed 18/1100:25
PER
-
IAD
2 stops35h 07m
Multiple Airlines
Deal found 17/1$2,282
Sat 2/518:59
DCA
-
PER
2 stops46h 11m
Multiple Airlines
Fri 8/501:10
PER
-
DCA
2 stops32h 49m
Multiple Airlines
Deal found 18/1$2,285
Thu 5/1118:00
BWI
-
PER
2 stops40h 55m
Singapore Airlines
Thu 19/1113:50
PER
-
BWI
2 stops40h 46m
Singapore Airlines
Deal found 17/1$2,295
Thu 12/318:46
BWI
-
PER
2 stops46h 39m
Multiple Airlines
Thu 19/313:50
PER
-
BWI
2 stops39h 33m
Multiple Airlines
Deal found 17/1$2,330
Thu 12/318:59
DCA
-
PER
2 stops47h 56m
Multiple Airlines
Wed 18/300:25
PER
-
DCA
2 stops31h 35m
Multiple Airlines
Deal found 17/1$2,331
Wed 2/912:31
DCA
-
PER
2 stops31h 14m
Cathay Pacific
Sat 5/900:10
PER
-
DCA
2 stops32h 06m
Cathay Pacific
Deal found 17/1$2,370

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 19 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

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 3/3

18:59-05:25

2 stops45h 26m

Perth

Tue 10/3

13:50-20:05

2 stops42h 15m

$2,144

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sat 2/5

18:59-05:10

2 stops46h 11m

Perth

Fri 8/5

01:10-21:59

2 stops32h 49m

$2,285

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/3

18:46-05:25

2 stops46h 39m

Perth

Thu 19/3

13:50-17:23

2 stops39h 33m

$2,330

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 12/3

18:59-06:55

2 stops47h 56m

Perth

Wed 18/3

00:25-20:00

2 stops31h 35m

$2,331

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 4/2

17:26-16:45

2 stops34h 19m

Perth

Mon 16/2

22:40-16:31

2 stops30h 51m

$2,473

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 30/4

11:36-22:40

2 stops47h 04m

Perth

Sun 10/5

00:10-00:30

2 stops36h 20m

$2,475

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 4/3

09:35-06:55

2 stops32h 20m

Perth

Sun 8/3

08:30-17:55

2 stops46h 25m

$2,475

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 30/4

11:36-22:40

2 stops47h 04m

Perth

Sun 10/5

09:15-00:30

2 stops51h 15m

$2,475

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 30/4

11:36-22:40

2 stops47h 04m

Perth

Wed 6/5

00:10-00:30

2 stops36h 20m

$2,475

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 12/3

15:35-23:55

2 stops44h 20m

Perth

Thu 19/3

10:30-10:05

2 stops35h 35m

$2,487

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 53 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?

    Qantas Airways, Singapore Airlines, and Cathay Pacific can get you from Washington, D.C. to Perth in just under 34h 19m. Your travel time can differ by up to 15h 31m. Washington, D.C. and Perth are separated by a distance of 18561 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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