Cheap Flights from Perth (PER) to Washington (IAD)

View AU$1,576 flight on Thu, 20 Nov. 2025Opens in a new window

Popular airlines from Perth Airport (PER) to Washington Dulles International Airport (IAD)

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Cheap Flights from Perth (PER) to Washington (IAD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetstar
Wed, 20 Aug. - Wed, 27 Aug.
PER
Perth
IAD
Washington
AU$1,741 Return, found 2 hours ago
AU$1,741
Return
found 2 hours ago
Select Jetstar flight, departing Wed, 20 Aug. from Perth to Washington, returning Wed, 27 Aug., priced at AU$1,741 found 2 hours ago
Qantas Airways
Tue, 30 Sep. - Sun, 19 Oct.
PER
Perth
IAD
Washington
AU$1,866 Return, found 11 hours ago
AU$1,866
Return
found 11 hours ago
Select Qantas Airways flight, departing Tue, 30 Sep. from Perth to Washington, returning Sun, 19 Oct., priced at AU$1,866 found 11 hours ago
Air Canada
Tue, 30 Sep. - Sun, 19 Oct.
PER
Perth
IAD
Washington
AU$1,913 Return, found 11 hours ago
AU$1,913
Return
found 11 hours ago
Select Air Canada flight, departing Tue, 30 Sep. from Perth to Washington, returning Sun, 19 Oct., priced at AU$1,913 found 11 hours ago
Qantas Airways
Tue, 30 Sep. - Sun, 19 Oct.
PER
Perth
IAD
Washington
AU$1,941 Return, found 11 hours ago
AU$1,941
Return
found 11 hours ago
Select Qantas Airways flight, departing Tue, 30 Sep. from Perth to Washington, returning Sun, 19 Oct., priced at AU$1,941 found 11 hours ago
Qantas Airways
Tue, 30 Sep. - Sun, 19 Oct.
PER
Perth
IAD
Washington
AU$1,954 Return, found 11 hours ago
AU$1,954
Return
found 11 hours ago
Select Qantas Airways flight, departing Tue, 30 Sep. from Perth to Washington, returning Sun, 19 Oct., priced at AU$1,954 found 11 hours ago
Air Canada
Thu, 7 May - Wed, 27 May
PER
Perth
IAD
Washington
AU$1,960 Return, found 7 hours ago
AU$1,960
Return
found 7 hours ago
Select Air Canada flight, departing Thu, 7 May from Perth to Washington, returning Wed, 27 May, priced at AU$1,960 found 7 hours ago
Air Canada
Thu, 7 May - Wed, 27 May
PER
Perth
IAD
Washington
AU$1,967 Return, found 7 hours ago
AU$1,967
Return
found 7 hours ago
Select Air Canada flight, departing Thu, 7 May from Perth to Washington, returning Wed, 27 May, priced at AU$1,967 found 7 hours ago
Virgin Australia
Thu, 7 May - Wed, 27 May
PER
Perth
IAD
Washington
AU$1,977 Return, found 7 hours ago
AU$1,977
Return
found 7 hours ago
Select Virgin Australia flight, departing Thu, 7 May from Perth to Washington, returning Wed, 27 May, priced at AU$1,977 found 7 hours ago
Qantas Airways
Thu, 7 May - Wed, 27 May
PER
Perth
IAD
Washington
AU$1,988 Return, found 7 hours ago
AU$1,988
Return
found 7 hours ago
Select Qantas Airways flight, departing Thu, 7 May from Perth to Washington, returning Wed, 27 May, priced at AU$1,988 found 7 hours ago
American Airlines
Tue, 30 Sep. - Sun, 19 Oct.
PER
Perth
IAD
Washington
AU$2,052 Return, found 11 hours ago
AU$2,052
Return
found 11 hours ago
Select American Airlines flight, departing Tue, 30 Sep. from Perth to Washington, returning Sun, 19 Oct., priced at AU$2,052 found 11 hours ago
Flight from Perth to Washington route information
Origin airport
Perth
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, Cathay Pacific, Emirates, Qantas Airways, Qatar Airways, Singapore Airlines, United, Virgin Australia
Return price
AU$1,740
Distance
18464 km

Your quick guide to flights from Perth to Washington

Pick up great flights from Perth to Washington

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Perth to Washington. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Perth to Washington that take around hours.

Find cheap flights from Perth to Washington

From the great flight deals with prices currently ranging from AU$1,741 to AU$2,052, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Perth to Washington around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Washington is normally in August.

Reasons to book your flight from Perth to Washington with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Perth to Washington across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Washington right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from PER to Dulles Intl. Airport?
Start packing your suitcase, because round-trip journeys from Perth Airport to Washington Dulles Intl. Airport (IAD) start from AU$1,741. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PER to IAD?
We get that things crop up unexpectedly, so we've made it as hassle-free as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Perth Airport (PER) to Washington Dulles Intl. Airport (IAD) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PER to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PER to IAD?
You'll have 18 600 kilometres to cover on the long-haul Perth to Chantilly route. Dress in layers of comfortable clothes and consider taking a sleep mask and earplugs.
Which airlines fly direct from PER to Washington Dulles Intl. Airport (IAD)?
You won't find any airlines flying directly between Perth Airport and IAD, so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a nice way to break up a trip!
Are Perth Airport (PER) to Washington Dulles Intl. Airport (IAD) flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Perth Airport (PER) to Dulles Intl. Airport are available up to 12 months before departure on Expedia. And although you may occasionally score great last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We're constantly updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

Explore a world of travel with Expedia

Washington Flight Deals

Baltimore

Perth to Baltimore Washington Intl. Thurgood Marshall
AU$1,961.66

Washington

Perth to Ronald Reagan Washington National
AU$2,019.95
*Available to Expedia members.