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Dulles Intl

$1,398+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
PER — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This AranGrant deal was found by Cheapflights users on 12/11. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:30 amPER - IAD
2 stops58h 40mEmirates
Fri 1/910:30 amIAD - PER
1 stop41h 50mEmirates
Deal found 12/11$18,521
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:20 pmPER - IAD
1 stop46h 50mMultiple Airlines
Fri 1/910:30 amIAD - PER
1 stop41h 50mMultiple Airlines
Deal found 12/11$44,008

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,397
(American Airlines)

Popular in

January

Cheapest in

February

Average price

$1,648
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
Highest demand for flights based on searches. 0% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 12, 2025.
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

7:15 am-10:53 pm

2 stops27h 38m

Washington, D.C. Dulles Intl

Mon 4/6

6:00 am-11:15 am

2 stops41h 15m

$1,398

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 2/1

9:55 pm-11:46 am

2 stops50h 51m

Washington, D.C. Dulles Intl

Mon 2/23

8:20 am-8:10 pm

2 stops46h 50m

$1,594

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 2/1

10:40 pm-9:25 pm

3 stops35h 45m

Washington, D.C. Dulles Intl

Mon 2/23

9:00 am-1:50 pm

3 stops39h 50m

$1,599

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 3/16

11:45 pm-5:21 am

2 stops41h 36m

Washington, D.C. Dulles Intl

Mon 4/6

6:30 am-5:10 am

2 stops34h 40m

$1,640

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 3/22

5:05 pm-6:56 am

2 stops49h 51m

Washington, D.C. Dulles Intl

Sun 4/19

2:36 pm-2:40 pm

2 stops36h 04m

$1,640

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 1/12

7:20 am-8:54 pm

2 stops26h 34m

Washington, D.C. Dulles Intl

Sun 2/8

6:00 pm-2:45 pm

2 stops31h 45m

$1,660

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 1/25

11:25 pm-8:54 pm

3 stops34h 29m

Washington, D.C. Dulles Intl

Sun 2/1

10:40 am-4:15 am

2 stops28h 35m

$1,813

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Wed 2/4

10:55 pm-11:48 am

3 stops49h 53m

Washington, D.C. Dulles Intl

Sun 2/8

10:06 pm-8:20 pm

3 stops57h 14m

$1,827

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 3/30

11:45 pm-10:43 pm

2 stops34h 58m

Washington, D.C. Dulles Intl

Thu 4/23

4:10 pm-2:40 pm

2 stops34h 30m

$1,858

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 2/1

10:45 pm-3:55 pm

1 stop30h 10m

Washington, D.C. Dulles Intl

Mon 2/23

8:05 pm-11:55 am

1 stop26h 50m

$1,950

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Perth-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $1,004). Flying from Perth to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $1,917). 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.

What is the cheapest time of day to fly from PER to IAD?

Find hourly flight availability from Perth to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Perth to Washington, D.C. Dulles Intl Airport in the evening. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight at noon.

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 41h 36m. ANA provides one of the quickest options available for as low as $1,640. The distance between Perth and Washington, D.C. Dulles Intl Airport is about 11533 mi. This flight may include one or multiple stops.

  • 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 $1,004). Flying from Perth to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $1,917). 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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