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$583+ Cheap flights from Dulles Intl (IAD) to Perth (PER)

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PER
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Cheap flight deals from Dulles Intl to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Perth (PER). 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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,447
(Mytrip)

One-way from

$583
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$1,344
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Perth flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Perth flights.
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From Washington, D.C. Dulles Intl to Perth
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One-way flight from Washington, D.C. Dulles Intl to Perth
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Highest demand for flights based on searches. 21% potential increase in price ($529 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($136 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Dulles Intl to Perth

Cheapest flights from Dulles Intl to Perth
Explore the most affordable flight options available from Dulles Intl to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This Cathay Pacific deal was found by Cheapflights users on 11/24. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:03 pmIAD - PER
2 stops40h 52mMultiple Airlines
Mon 12/112:25 amPER - IAD
2 stops35h 16mMultiple Airlines
Deal found 11/24$1,652
This oojo deal was found by Cheapflights users on 11/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:03 pmIAD - PER
2 stops40h 52mCathay Pacific
Sun 12/712:25 amPER - IAD
2 stops35h 34mCathay Pacific
Deal found 11/26$2,070
This Mytrip deal was found by Cheapflights users on 11/26. 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.
Mon 12/16:00 pmIAD - PER
3 stops35h 45mMultiple Airlines
Sun 12/712:25 amPER - IAD
2 stops28h 21mMultiple Airlines
Deal found 11/26$2,122
This Gotogate deal was found by Cheapflights users on 11/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:05 pmIAD - PER
2 stops40h 20mMalaysia Airlines
Tue 12/24:15 pmPER - IAD
2 stops60h 40mMalaysia Airlines
Deal found 11/24$2,289
This KAYAK deal was found by Cheapflights users on 11/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amIAD - PER
2 stops45h 50mAir New Zealand
Mon 12/810:45 pmPER - IAD
2 stops34h 54mAir New Zealand
Deal found 11/26$2,428
This oojo deal was found by Cheapflights users on 11/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:05 pmIAD - PER
1 stop26h 50mQatar Airways
Tue 12/210:45 pmPER - IAD
1 stop30h 10mQatar Airways
Deal found 11/24$2,473
This Ovago deal was found by Cheapflights users on 11/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:08 pmIAD - PER
2 stops52h 02mQantas Airways
Wed 1/710:40 pmPER - IAD
2 stops35h 37mQantas Airways
Deal found 11/26$2,793

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Perth 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 November 26, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Perth that are best for you.

Fly from

Dulles Intl

Fly to

Perth

Route

Depart

Return

Price

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 1/31

5:26 pm-9:15 pm

2 stops38h 49m

Perth

Mon 2/23

10:40 pm-4:31 pm

2 stops30h 51m

$1,740

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 2/4

6:04 pm-11:55 pm

2 stops40h 51m

Perth

Sat 6/13

5:10 pm-11:59 pm

2 stops42h 49m

$1,823

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 1/27

8:25 am-2:45 pm

2 stops41h 20m

Perth

Tue 2/24

11:45 pm-4:24 pm

2 stops29h 39m

$1,836

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 2/10

2:35 pm-12:35 pm

3 stops33h 00m

Perth

Fri 2/20

10:30 am-9:05 am

2 stops35h 35m

$1,866

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 2/3

2:35 pm-7:35 pm

2 stops40h 00m

Perth

Tue 6/23

7:35 am-9:45 am

2 stops38h 10m

$1,870

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 1/27

6:45 pm-2:45 pm

2 stops31h 00m

Perth

Wed 2/25

11:45 pm-4:24 pm

2 stops29h 39m

$1,886

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 2/14

8:05 pm-11:55 am

1 stop26h 50m

Perth

Fri 2/20

6:00 am-8:20 am

2 stops63h 20m

$1,909

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 2/3

12:40 pm-2:45 pm

2 stops37h 05m

Perth

Tue 6/23

11:45 pm-1:48 pm

2 stops50h 03m

$2,004

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 1/31

11:39 am-7:45 pm

3 stops43h 06m

$583

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 2/4

2:35 pm-1:15 am

2 stops45h 40m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 17 results
1
2

Compare providers for flights from Dulles Intl to Perth

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 Dulles Intl to Perth in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Washington, D.C. Dulles Intl Airport-Perth flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Perth flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Perth 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 Washington, D.C. Dulles Intl Airport-Perth 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 Dulles Intl to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Perth

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

Find hourly flight availability from Dulles Intl to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Perth in the afternoon. Doing so could potentially save you 53% on the flight price compared to flying at noon, which is usually more expensive.

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

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated November 26, 2025.
Read reviews from past customers who have flown Qantas Airways and Qatar Airways from Washington, D.C. Dulles Intl Airport to Perth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
944 reviews

Crew

8.2

Overall

7.5

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
944 reviews
Qantas Airways
7.5
Good
944 reviews

Crew

8.2

Overall

7.5

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qatar Airways
7.4
Good
3,675 reviews
Qantas Airways
7.5
Good
944 reviews

Crew

8.2

Overall

7.5

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

Related info for your journey

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

    Located just 6.3 mi from the city center, Perth is the airport most travelers will use when flying to Perth from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Perth (PER) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 2 different airlines.

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

    Departing from Washington, D.C. Dulles Intl Airport to Perth will take you 38h 49m. Airlines will cover a distance of 11533 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Perth round-trip?

    Currently priced at $1,212, Qantas Airways will fly you from Washington, D.C. Dulles Intl Airport to Perth and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Qatar Airways for as low as $1,961. Qantas Airways is priced at 36% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Fremantle
Rottnest Island
Scarborough

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Alternative routes for Dulles Intl to Perth

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Perth flights
Reagan-National to Perth flights

Top 2 airlines flying from Dulles Intl to Perth

Discover the top 2 airlines that operate flights from Dulles Intl to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,212Average$1,342FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,961Average$2,163FlexibilityNo cancel feeOn-time68%

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