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Dulles Intl

$1,607+ Cheap flights from Perth (PER) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
PER — IAD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Perth to Dulles Intl

Cheapest flights from Perth to Dulles Intl
Explore the most affordable flight options available from Perth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Mytrip deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/309:55 pm
PER
-
IAD
2 stops36h 22m
ANA
Tue 2/311:10 am
IAD
-
PER
1 stop44h 00m
ANA
Deal found 1/26$1,607
This KAYAK deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/129:55 pm
PER
-
IAD
2 stops36h 23m
ANA
Mon 2/238:20 am
IAD
-
PER
2 stops46h 50m
ANA
Deal found 1/24$1,632
This United Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:45 pm
PER
-
IAD
2 stops43h 44m
United Airlines
Mon 4/66:30 am
IAD
-
PER
2 stops34h 40m
United Airlines
Deal found 1/24$1,694
This United Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2211:15 pm
PER
-
IAD
2 stops42h 21m
United Airlines
Sun 4/194:10 pm
IAD
-
PER
2 stops34h 30m
United Airlines
Deal found 1/24$1,714
This United Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2511:45 pm
PER
-
IAD
2 stops30h 35m
United Airlines
Sat 4/188:53 pm
IAD
-
PER
2 stops51h 37m
United Airlines
Deal found 1/24$1,720
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/611:45 pm
PER
-
IAD
2 stops38h 14m
United Airlines
Sat 2/2810:10 pm
IAD
-
PER
2 stops72h 10m
United Airlines
Deal found 1/26$1,781

Find flight deals from Perth to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Dulles Intl (IAD). 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,632
(KAYAK)

Popular in

January

Cheapest in

February

Average price

$1,982
Provider with most accurate pricing for Perth-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Perth-Washington, D.C. Dulles Intl flights.
Search Deals
From Perth to Washington, D.C. Dulles Intl
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Perth to Dulles Intl 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 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Perth to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Perth

Fly to

Dulles Intl

Route

Depart

Return

Price

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 3/16

11:45 pm-7:29 am

2 stops43h 44m

Washington, D.C. Dulles Intl

Mon 4/6

6:30 am-5:10 am

2 stops34h 40m

$1,694

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 3/22

11:15 pm-5:36 am

2 stops42h 21m

Washington, D.C. Dulles Intl

Sun 4/19

4:10 pm-2:40 pm

2 stops34h 30m

$1,714

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Wed 3/25

11:45 pm-6:20 pm

2 stops30h 35m

Washington, D.C. Dulles Intl

Sat 4/18

8:53 pm-12:30 pm

2 stops51h 37m

$1,720

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 2/12

3:15 pm-8:29 pm

3 stops42h 14m

Washington, D.C. Dulles Intl

Mon 2/23

12:33 pm-2:30 pm

3 stops36h 57m

$1,857

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 3/24

11:45 pm-6:20 pm

2 stops30h 35m

Washington, D.C. Dulles Intl

Fri 4/17

5:55 pm-12:30 pm

2 stops30h 35m

$1,923

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 3/24

10:45 pm-4:55 pm

1 stop30h 10m

Washington, D.C. Dulles Intl

Fri 4/17

8:20 pm-6:50 pm

1 stop34h 30m

$1,954

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Compare providers for flights from Perth to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Perth to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Perth-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Perth-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Perth-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Perth-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Perth-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Perth to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Perth with our price prediction graph.
Estimated round-trip 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 Perth to Washington, D.C. Dulles Intl Airport

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

Currently, March is the cheapest month in which you can book a flight from Perth to Washington, D.C. Dulles Intl Airport (average of $1,037). Flying from Perth to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $1,916). 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.

How much does it cost to fly round-trip from Perth to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Perth to Dulles Intl. 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 from for flights from Perth to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Perth, you will be flying from Perth, which is the city’s only airport. Perth (PER) is located 6.3 mi from the center of Perth. There are 0 flights from Perth to Washington, D.C. Dulles Intl per day from 0 different airlines.

  • How long is the flight from Perth to Washington, D.C. Dulles Intl Airport?

    A quick flight from Perth to Washington, D.C. Dulles Intl Airport can take about 43h 44m. United Airlines provides one of the quickest options available for as low as $1,694. The distance between Perth and Washington, D.C. Dulles Intl Airport is about 11533 mi.

  • Can I find deals for flights from Perth to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Perth to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Perth to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Perth to Dulles Intl.

  • Can I find deals for business class flights from Perth to Dulles Intl?

    Yes. Cheapflights offers flight deals from Perth to Dulles Intl 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 Perth to Washington, D.C. Dulles Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Perth to Washington, D.C. Dulles Intl Airport (average of $1,037). Flying from Perth to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $1,916). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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