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Dulles Intl

$915+ Cheap flights from Perth (PER) to Dulles Intl (IAD)

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
PER — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$1,111
(Air Canada)

One-way from

$915
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,555
From Perth to Washington, D.C. Dulles Intl
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One-way flight from Perth to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 12% potential increase in price ($251 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/213:00 pmPER - IAD
3 stops54h 38mAir Canada
Tue 10/289:00 amIAD - PER
3 stops47h 20mAir Canada
Deal found 9/11$1,111
This BestPriceTravel deal was found by Cheapflights users on 9/10. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:00 amPER - IAD
2 stops49h 51mQantas Airways
Mon 1/55:33 pmIAD - PER
2 stops49h 12mQantas Airways
Deal found 9/10$1,224
This Qantas Airways deal was found by Cheapflights users on 9/10. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:55 pmPER - IAD
3 stops35h 56mMultiple Airlines
Tue 10/285:37 pmIAD - PER
2 stops30h 48mMultiple Airlines
Deal found 9/10$1,275
This TravelUp deal was found by Cheapflights users on 9/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:45 pmPER - IAD
2 stops36h 06mQantas Airways
Sun 11/25:03 pmIAD - PER
2 stops41h 47mQantas Airways
Deal found 9/10$1,338
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:55 pmPER - IAD
2 stops35h 56mQantas Airways
Tue 10/285:37 pmIAD - PER
2 stops50h 08mQantas Airways
Deal found 9/10$1,339
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:55 pmPER - IAD
3 stops33h 34mAir Canada
Sun 11/29:00 amIAD - PER
3 stops41h 30mAir Canada
Deal found 9/10$1,456
This BYOjet deal was found by Cheapflights users on 9/10. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:45 pmPER - IAD
1 stop30h 10mQatar Airways
Sun 11/28:05 pmIAD - PER
1 stop26h 55mQatar Airways
Deal found 9/10$1,943
This Emirates deal was found by Cheapflights users on 9/10. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:00 amPER - IAD
1 stop38h 40mEmirates
Tue 10/2811:15 amIAD - PER
1 stop42h 05mEmirates
Deal found 9/10$1,958
This Emirates deal was found by Cheapflights users on 9/10. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:20 pmPER - IAD
1 stop46h 20mEmirates
Thu 9/1810:55 amIAD - PER
1 stop25h 45mEmirates
Deal found 9/10$1,959

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 September 11, 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

Tue 10/21

3:00 pm-9:38 am

3 stops54h 38m

Washington, D.C. Dulles Intl

Tue 10/28

9:00 am-8:20 pm

3 stops47h 20m

$1,111

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 10/21

10:55 pm-10:51 pm

3 stops35h 56m

Washington, D.C. Dulles Intl

Tue 10/28

5:37 pm-12:25 pm

2 stops30h 48m

$1,275

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 10/26

10:55 pm-8:29 pm

3 stops33h 34m

Washington, D.C. Dulles Intl

Sun 11/2

9:00 am-3:30 pm

3 stops41h 30m

$1,456

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 10/26

10:45 pm-4:55 pm

1 stop30h 10m

Washington, D.C. Dulles Intl

Sun 11/2

8:05 pm-12:00 pm

1 stop26h 55m

$1,943

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 10/21

6:00 am-8:40 am

1 stop38h 40m

Washington, D.C. Dulles Intl

Tue 10/28

11:15 am-5:20 pm

1 stop42h 05m

$1,958

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Wed 10/1

9:55 pm-8:40 am

2 stops46h 45m

Washington, D.C. Dulles Intl

Tue 10/7

9:00 pm-8:40 pm

2 stops35h 40m

$1,972

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 10/26

6:00 am-9:00 am

1 stop39h 00m

Washington, D.C. Dulles Intl

Sun 11/2

10:30 am-11:55 pm

2 stops48h 25m

$2,022

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Wed 10/1

6:00 am-8:40 am

1 stop38h 40m

Washington, D.C. Dulles Intl

Tue 10/7

10:55 am-5:35 pm

1 stop42h 40m

$2,036

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 10/13

10:45 pm-3:40 pm

1 stop28h 55m

Washington, D.C. Dulles Intl

Mon 1/5

8:05 pm-6:45 pm

1 stop33h 40m

$2,093

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 12/14

3:35 am-2:45 pm

3 stops48h 10m

$915

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 11 results
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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, August is the cheapest month in which you can book a flight from Perth to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Perth to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 September 11, 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 36% 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 30h 10m. Air Canada provides one of the quickest options available for as low as $1,943. 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, August is the cheapest month in which you can book a flight from Perth to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Perth to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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