Find flights
When to book
FAQs

Cheap flights from Washington, D.C. to Perth from $1,214

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
1 Aug — 8 Aug1
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 2 July 2026.

Sat 21/1118:10
IAD
-
PER
2 stops48h 45m
Austrian Airlines
Mon 30/1116:35
PER
-
IAD
2 stops58h 35m
Austrian Airlines
Deal found 29/6$2,155
Fri 20/1118:10
IAD
-
PER
2 stops56h 15m
Austrian Airlines
Mon 30/1116:35
PER
-
IAD
2 stops58h 35m
Austrian Airlines
Deal found 29/6$2,296
Tue 4/806:40
BWI
-
PER
2 stops44h 00m
United Airlines
Tue 18/815:30
PER
-
BWI
2 stops38h 10m
United Airlines
Deal found 29/6$2,310
Sat 21/1122:55
IAD
-
PER
2 stops44h 00m
Lufthansa
Tue 1/1209:25
PER
-
IAD
2 stops47h 40m
Lufthansa
Deal found 29/6$2,312
Tue 17/1120:10
IAD
-
PER
2 stops45h 45m
Multiple Airlines
Tue 12/109:25
PER
-
IAD
2 stops65h 45m
Multiple Airlines
Deal found 1/7$2,351
Tue 17/1115:23
BWI
-
PER
2 stops35h 27m
Qantas Airways
Tue 12/122:35
PER
-
BWI
2 stops29h 14m
Qantas Airways
Deal found 1/7$2,365
Fri 20/1118:10
IAD
-
PER
2 stops56h 15m
Austrian Airlines
Sun 29/1116:35
PER
-
IAD
2 stops58h 35m
Austrian Airlines
Deal found 29/6$2,404
Fri 14/817:44
BWI
-
PER
2 stops33h 01m
Multiple Airlines
Fri 21/823:45
PER
-
BWI
2 stops29h 35m
Multiple Airlines
Deal found 29/6$2,432
Wed 12/820:20
IAD
-
PER
2 stops46h 30m
SWISS
Tue 10/1108:30
PER
-
IAD
2 stops45h 15m
SWISS
Deal found 27/6$2,438
Sun 9/819:20
BWI
-
PER
2 stops51h 55m
Qantas Airways
Sun 16/823:55
PER
-
BWI
2 stops35h 46m
Qantas Airways
Deal found 30/6$2,443
Fri 14/817:44
BWI
-
PER
2 stops29h 56m
United Airlines
Fri 21/823:45
PER
-
BWI
3 stops47h 58m
United Airlines
Deal found 29/6$2,457
Sun 22/1118:35
BWI
-
PER
2 stops31h 10m
United Airlines
Mon 30/1122:55
PER
-
BWI
2 stops35h 35m
United Airlines
Deal found 29/6$2,467

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 2 July 2026.

Round-trip from

$2,155

One-way from

$1,214

Popular in

March

Cheapest in

June

Average price

$3,205
Austrian Airlines
  • Austrian Airlines
  • 21/11-30/11
  • 4 total stops
  • 107h 20m total
  • Washington, D.C. to Perth
Search Deals
10/9
  • 10/9
  • 3 total stops
  • 45h 21m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($430 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($258 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 2 July 2026.
Use the filters below to find and compare flights from Washington, D.C. to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 17/11

15:23-15:50

2 stops35h 27m

Perth

Tue 12/1

22:35-14:49

2 stops29h 14m

$2,365

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 9/8

19:20-11:15

2 stops51h 55m

Perth

Sun 16/8

12:25-23:41

2 stops47h 16m

$2,416

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 24/11

18:35-14:45

2 stops31h 10m

Perth

Tue 1/12

22:55-22:34

2 stops36h 39m

$2,467

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 17/11

18:35-14:45

2 stops31h 10m

Perth

Tue 12/1

23:45-11:20

3 stops48h 35m

$2,486

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 4/11

15:23-22:10

2 stops41h 47m

Perth

Sun 8/11

22:35-18:17

2 stops32h 42m

$2,541

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 20/11

15:23-23:50

2 stops43h 27m

Perth

Tue 1/12

22:35-18:14

2 stops32h 39m

$2,542

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 4/11

17:03-22:55

2 stops40h 52m

Perth

Sat 7/11

00:25-22:32

2 stops35h 07m

$2,738

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 16/8

21:00-18:35

1 stop33h 35m

Perth

Tue 1/9

13:45-15:40

2 stops37h 55m

$2,993

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 22/11

17:03-22:55

2 stops40h 52m

Perth

Thu 26/11

00:25-22:32

2 stops35h 07m

$3,086

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 23/11

16:10-14:45

2 stops33h 35m

Perth

Sun 29/11

22:30-16:08

2 stops30h 38m

$3,184

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Showing 1-10 of 32 resultsSorted by cheapest first
1
2
3
4

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?

    Austrian Airlines, Lufthansa, and Qantas Airways can get you from Washington, D.C. to Perth in just under 35h 27m. Your travel time can differ by up to 13h 18m. 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 Washington, D.C. Dulles Intl - Perth, Baltimore/Washington - Perth and Washington, D.C. Reagan-National - 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
Fremantle
Scarborough
Mandurah
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.