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Perth

$532+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PER
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$1,400
(Mytrip)

One-way from

$532
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$1,886
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. 17% potential increase in price ($387 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($128 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This Trip.com deal was found by Cheapflights users on 6/30. 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.
Wed 10/2210:05 pmIAD - PER
2 stops33h 45mMultiple Airlines
Mon 11/38:30 pmPER - IAD
2 stops56h 35mMultiple Airlines
Deal found 6/30$1,243
This KAYAK deal was found by Cheapflights users on 7/1. 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.
Tue 9/912:45 pmIAD - PER
2 stops39h 15mAir New Zealand
Mon 11/106:50 pmPER - IAD
2 stops42h 25mAir New Zealand
Deal found 7/1$1,679
This Cathay Pacific deal was found by Cheapflights users on 7/1. 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.
Thu 9/116:00 pmIAD - PER
2 stops49h 45mCathay Pacific
Wed 11/512:15 amPER - IAD
2 stops35h 03mCathay Pacific
Deal found 7/1$1,741
This Lufthansa deal was found by Cheapflights users on 7/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:20 pmIAD - PER
2 stops45h 25mLufthansa
Tue 11/41:50 pmPER - IAD
2 stops43h 15mLufthansa
Deal found 7/1$1,773
This SWISS deal was found by Cheapflights users on 7/1. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:45 pmIAD - PER
2 stops44h 25mSWISS
Wed 11/51:50 pmPER - IAD
2 stops39h 40mSWISS
Deal found 7/1$1,778
This Austrian Airlines deal was found by Cheapflights users on 7/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:25 pmIAD - PER
2 stops50h 20mAustrian Airlines
Mon 11/104:35 pmPER - IAD
2 stops59h 05mAustrian Airlines
Deal found 7/1$1,788
This Qantas Airways deal was found by Cheapflights users on 7/1. 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.
Wed 9/105:40 pmIAD - PER
2 stops35h 25mQantas Airways
Sun 11/910:55 pmPER - IAD
2 stops36h 23mQantas Airways
Deal found 7/1$1,921
This Ovago deal was found by Cheapflights users on 7/1. 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.
Mon 9/159:00 pmIAD - PER
2 stops40h 10mMalaysia Airlines
Sun 9/212:10 amPER - IAD
2 stops49h 30mMalaysia Airlines
Deal found 7/1$1,986
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:55 pmIAD - PER
2 stops40h 00mSingapore Airlines
Mon 12/85:30 pmPER - IAD
2 stops37h 25mSingapore Airlines
Deal found 7/1$2,005
This oojo deal was found by Cheapflights users on 7/1. 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 9/159:00 pmIAD - PER
1 stop26h 55mQatar Airways
Mon 9/2210:45 pmPER - IAD
1 stop28h 55mQatar Airways
Deal found 7/1$2,023
This Air Canada deal was found by Cheapflights users on 6/29. 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.
Thu 11/139:00 amIAD - PER
3 stops40h 30mAir Canada
Mon 11/1710:55 pmPER - IAD
3 stops34h 34mAir Canada
Deal found 6/29$2,041

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 July 2, 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

Thu 8/14

11:00 am-5:50 am

2 stops30h 50m

Perth

Thu 8/21

9:20 am-8:40 am

2 stops35h 20m

$1,400

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 9/9

12:45 pm-4:00 pm

2 stops39h 15m

Perth

Mon 11/10

6:50 pm-12:15 am

2 stops42h 25m

$1,679

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 9/11

6:00 pm-7:45 am

2 stops49h 45m

Perth

Wed 11/5

12:15 am-10:18 pm

2 stops35h 03m

$1,741

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 9/13

10:20 pm-7:45 am

2 stops45h 25m

Perth

Wed 11/5

1:50 pm-8:05 pm

2 stops43h 15m

$1,773

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 9/14

8:45 pm-5:10 am

2 stops44h 25m

Perth

Wed 11/5

1:50 pm-4:30 pm

2 stops39h 40m

$1,778

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 9/15

5:25 pm-7:45 am

2 stops50h 20m

Perth

Mon 11/10

4:35 pm-2:40 pm

2 stops59h 05m

$1,788

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 9/10

5:40 pm-5:05 pm

2 stops35h 25m

Perth

Sun 11/9

10:55 pm-10:18 pm

2 stops36h 23m

$1,921

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 9/15

9:00 pm-1:10 am

2 stops40h 10m

Perth

Sun 9/21

2:10 am-3:40 pm

2 stops49h 30m

$1,986

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 9/15

9:00 pm-11:55 am

1 stop26h 55m

Perth

Mon 9/22

10:45 pm-3:40 pm

1 stop28h 55m

$2,023

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 9/15

2:25 pm-3:45 pm

3 stops37h 20m

Perth

Mon 9/22

11:55 pm-9:25 pm

3 stops33h 30m

$2,137

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 14 results
1
2

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Perth (average of $1,456). Flying from Washington, D.C. Dulles Intl Airport to Perth in December is currently the most expensive (average of $2,172). 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 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 July 2, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Perth at noon. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.

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 July 2, 2025.
Read reviews from past customers who have flown Air New Zealand, Austrian Airlines, and Cathay Pacific 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.
Air New Zealand
8.0
Very good
486 reviews

Entertainment

7.4

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
Air New Zealand
8.0
Very good
486 reviews
Air New Zealand
8.0
Very good
486 reviews

Entertainment

7.4

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
Austrian Airlines
7.6
Good
809 reviews
Air New Zealand
8.0
Very good
486 reviews

Entertainment

7.4

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
Cathay Pacific
7.6
Good
922 reviews
Air New Zealand
8.0
Very good
486 reviews

Entertainment

7.4

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
Qantas Airways
7.5
Good
870 reviews
Air New Zealand
8.0
Very good
486 reviews

Entertainment

7.4

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
SWISS
7.5
Good
1,654 reviews
Air New Zealand
8.0
Very good
486 reviews

Entertainment

7.4

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.

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 1 airline.

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

    Currently priced at $1,679, Air New Zealand will fly you from Washington, D.C. Dulles Intl Airport to Perth and back. In addition to Air New Zealand, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Cathay Pacific and Lufthansa - these airlines can fly you to your destination from $1,741 and $1,773, respectively. Air New Zealand is priced at 9% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Perth one-way?

    For one-way options, check prices for Qatar Airways. According to our data, you can fly for as low as $1,122. Users have also found prices from $1,690 and $2,583 on Air New Zealand and Air Canada, respectively.

  • 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.

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Perth (average of $1,456). Flying from Washington, D.C. Dulles Intl Airport to Perth in December is currently the most expensive (average of $2,172). 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
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 airline flying from Dulles Intl to Perth

Discover the top airline 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,097Average$1,385FlexibilityNo cancel feeOn-time74%

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