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Perth

$536+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PER
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
1 adult, Economy
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Cheap 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 February 28, 2026.

This Trip.com deal was found by Cheapflights users on 2/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:10 pm
IAD
-
PER
2 stops37h 05m
Multiple Airlines
Sat 4/185:20 pm
PER
-
IAD
2 stops52h 25m
Multiple Airlines
Deal found 2/24$1,433
This Gurufare deal was found by Cheapflights users on 2/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:10 pm
IAD
-
PER
2 stops54h 40m
Air New Zealand
Sat 11/711:50 pm
PER
-
IAD
2 stops34h 22m
Air New Zealand
Deal found 2/25$1,507
This Trip.com deal was found by Cheapflights users on 2/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:05 am
IAD
-
PER
2 stops30h 45m
Multiple Airlines
Sun 4/192:50 pm
PER
-
IAD
2 stops37h 15m
Multiple Airlines
Deal found 2/26$1,560
This BYOjet deal was found by Cheapflights users on 2/24. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:37 pm
IAD
-
PER
2 stops34h 23m
Air New Zealand
Sat 4/1811:50 pm
PER
-
IAD
2 stops36h 09m
Air New Zealand
Deal found 2/24$1,561
This Booking.com deal was found by Cheapflights users on 2/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/242:35 pm
IAD
-
PER
2 stops44h 20m
Multiple Airlines
Mon 11/3010:30 am
PER
-
IAD
2 stops35h 35m
Multiple Airlines
Deal found 2/25$1,595
This Trip.com deal was found by Cheapflights users on 2/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:35 pm
IAD
-
PER
2 stops40h 00m
Multiple Airlines
Tue 3/177:35 am
PER
-
IAD
2 stops38h 30m
Multiple Airlines
Deal found 2/26$1,656
This CrystalTravel deal was found by Cheapflights users on 2/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:37 pm
IAD
-
PER
2 stops35h 08m
Qantas Airways
Mon 3/235:45 pm
PER
-
IAD
2 stops34h 46m
Qantas Airways
Deal found 2/27$1,677
This oojo deal was found by Cheapflights users on 2/26. 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.
Tue 6/167:00 am
IAD
-
PER
2 stops51h 15m
Air New Zealand
Tue 6/3011:45 pm
PER
-
IAD
2 stops33h 03m
Air New Zealand
Deal found 2/26$1,685
This Expedia deal was found by Cheapflights users on 2/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:10 pm
IAD
-
PER
2 stops50h 40m
Multiple Airlines
Mon 4/2012:15 pm
PER
-
IAD
2 stops33h 30m
Multiple Airlines
Deal found 2/27$1,754
This Justfly.com deal was found by Cheapflights users on 2/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:50 pm
IAD
-
PER
2 stops28h 30m
Air New Zealand
Sun 11/86:50 pm
PER
-
IAD
2 stops38h 45m
Air New Zealand
Deal found 2/25$1,762

Find 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 February 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,433
(Trip.com)

One-way from

$536
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$1,764
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Perth flights.
Search Deals
From Washington, D.C. Dulles Intl to Perth
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Perth
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($103 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 28, 2026.
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

Fly to

Route

Depart

Return

Price

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 3/5

8:05 pm-1:25 am

2 stops40h 20m

Perth

Mon 3/9

4:15 pm-4:55 pm

2 stops36h 40m

$2,007

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 4/11

3:10 pm-9:45 pm

3 stops42h 35m

Perth

Sat 4/18

12:15 pm-9:45 am

2 stops33h 30m

$2,051

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 3/12

3:35 pm-9:45 pm

3 stops42h 10m

Perth

Thu 3/19

10:45 pm-10:05 am

2 stops47h 20m

$2,089

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 3/5

10:30 am-5:20 pm

1 stop41h 50m

Perth

Mon 3/9

10:20 pm-9:00 am

1 stop46h 40m

$2,376

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 4/12

10:55 am-5:35 pm

1 stop42h 40m

Perth

Sun 4/19

12:15 pm-8:40 am

2 stops32h 25m

$2,393

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 3/15

11:40 am-5:40 am

2 stops30h 00m

$687

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 3/15

9:05 pm-6:45 pm

1 stop33h 40m

$1,292

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/28

Sorted by cheapest first

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 February.
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 Washington, D.C. Dulles Intl Airport-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Perth flight deals on Cheapflights vs. FlightHub >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 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 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.

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 February 28, 2026.
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
999 reviews

Overall

7.5

Crew

8.1

Comfort

7.4

Entertainment

7.2

Boarding

7.7

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qantas Airways
7.5
Good
999 reviews
Qantas Airways
7.5
Good
999 reviews

Overall

7.5

Crew

8.1

Comfort

7.4

Entertainment

7.2

Boarding

7.7

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.
Qatar Airways
7.4
Good
3,745 reviews
Qantas Airways
7.5
Good
999 reviews

Overall

7.5

Crew

8.1

Comfort

7.4

Entertainment

7.2

Boarding

7.7

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Midhat,Feb 2026

WYA - ADL

Frequent delays, 3rd week in a row. Flight attendants not at all friendly.

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 40h 20m. Airlines will cover a distance of 11533 mi.

  • 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 41% 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
Rottnest Island
Scarborough

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Complete your trip

Complete your trip to Perth by adding a car rental and/or hotel reservation to your travel itinerary.
Perth car rentals
Perth Airport car rentals
Perth CBD car rentals
Northbridge car rentals

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 February 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,212Average$1,644FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,961Average$2,378FlexibilityNo cancel feeOn-time68%

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