$864 Cheap Flights from Washington (DCA) to Perth (PER)

View $864 flight on Sun, Sep 21, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER)

Cheap Flights from Washington to Perth (DCA-PER)

Prices were available within the past 7 days and start at $864 for one-way flights and $1,577 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, May 5 - Wed, May 20
DCA
Washington
PER
Perth
$1,577 Roundtrip, found 4 days ago
$1,577
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, May 5 from Washington to Perth, returning Wed, May 20, priced at $1,577 found 4 days ago
Cathay Pacific
Thu, Oct 23 - Thu, Oct 30
DCA
Washington
PER
Perth
$1,591 Roundtrip, found 3 days ago
$1,591
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Thu, Oct 23 from Washington to Perth, returning Thu, Oct 30, priced at $1,591 found 3 days ago
JetBlue Airways
Wed, Jan 28 - Tue, Feb 10
DCA
Washington
PER
Perth
$1,600 Roundtrip, found 5 days ago
$1,600
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Wed, Jan 28 from Washington to Perth, returning Tue, Feb 10, priced at $1,600 found 5 days ago
Alaska Airlines
Mon, Nov 3 - Tue, Nov 18
DCA
Washington
PER
Perth
$1,611 Roundtrip, found 5 days ago
$1,611
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Washington to Perth, returning Tue, Nov 18, priced at $1,611 found 5 days ago
JetBlue Airways
Wed, Jan 28 - Sun, Feb 15
DCA
Washington
PER
Perth
$1,613 Roundtrip, found 5 days ago
$1,613
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Wed, Jan 28 from Washington to Perth, returning Sun, Feb 15, priced at $1,613 found 5 days ago
Cathay Pacific
Mon, Feb 23 - Thu, Mar 5
DCA
Washington
PER
Perth
$1,621 Roundtrip, found 2 days ago
$1,621
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Mon, Feb 23 from Washington to Perth, returning Thu, Mar 5, priced at $1,621 found 2 days ago
Cathay Pacific
Thu, Feb 26 - Wed, Mar 4
DCA
Washington
PER
Perth
$1,621 Roundtrip, found 1 day ago
$1,621
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Thu, Feb 26 from Washington to Perth, returning Wed, Mar 4, priced at $1,621 found 1 day ago
Alaska Airlines
Mon, Nov 3 - Tue, Nov 18
DCA
Washington
PER
Perth
$1,627 Roundtrip, found 5 days ago
$1,627
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Washington to Perth, returning Tue, Nov 18, priced at $1,627 found 5 days ago
Air New Zealand
Mon, Nov 3 - Sat, Nov 15
DCA
Washington
PER
Perth
$1,655 Roundtrip, found 5 days ago
$1,655
Roundtrip
found 5 days ago
Select Air New Zealand flight, departing Mon, Nov 3 from Washington to Perth, returning Sat, Nov 15, priced at $1,655 found 5 days ago
Philippine Airlines
Tue, Oct 21 - Mon, Nov 3
DCA
Washington
PER
Perth
$1,918 Roundtrip, found 5 days ago
$1,918
Roundtrip
found 5 days ago
Select Philippine Airlines flight, departing Tue, Oct 21 from Washington to Perth, returning Mon, Nov 3, priced at $1,918 found 5 days ago

Alternative airports near Perth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Perth Airport PER. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $2,357
PER
Perth Airport
CheapestClosest
Average driving time to city center14 min
Flights from $2,357
Flights from Washington (DCA) to Perth (PER)
Origin airport
Ronald Reagan Washington National
Destination airport
Perth
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, Cathay Pacific, Emirates, Qantas Airways, Qatar Airways, Singapore Airlines
Roundtrip price
$1,577
Distance
11563 mi

Washington to Perth Flights

The cheapest times to fly from Washington to Perth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Perth are during the month of May. You can find some of the cheapest flights from Washington to Perth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Perth

Sunday is one of the best days to book for cheap flights from Washington to Perth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Perth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Perth in 2025. You can also book with separate airlines for your outbound and return journeys, from $864 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Perth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Perth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER) cost?
Secure a cheap one-way flight from $864 or cheap return flight from $1,577 from Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER)?
Flying in May is a good way to save, as it's the cheapest month for flights between DCA and PER. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DCA to PER. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER)?
There are no daily direct flights available from Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from DCA to PER?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER) route, aim to fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER) last-minute?
Booking your plane ticket from DCA to PER shortly before your journey is generally more expensive. But if there's some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a DCA to PER flight and hotel package?
Booking a DCA to PER flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Perth Airport (PER)?
In most instances, you can modify or cancel your DCA to PER flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further details, visit our Customer Service portal.

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*Available to One Key members.