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Dulles Intl

$724+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
PER — IAD
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,326
(Trip.com)

One-way from

$724
(Trip.com)

Popular in

August

Cheapest in

March

Average price

$1,948
Provider with most accurate pricing for Perth-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Perth-Washington, D.C. Dulles Intl flights.
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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. 0% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Trip.com deal was found by Cheapflights users on 4/28. 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.
Thu 6/128:30 pmPER - IAD
2 stops51h 15mMultiple Airlines
Thu 6/199:40 pmIAD - PER
2 stops42h 50mMultiple Airlines
Deal found 4/28$1,326
This Aunt Betty deal was found by Cheapflights users on 4/28. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3010:45 pmPER - IAD
1 stop30h 10mQatar Airways
Sun 1/258:05 pmIAD - PER
1 stop33h 40mQatar Airways
Deal found 4/28$1,621
This Booking.com deal was found by Cheapflights users on 4/28. 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.
Sun 11/3011:15 pmPER - IAD
2 stops53h 50mEtihad Airways
Sun 1/259:30 pmIAD - PER
2 stops43h 20mEtihad Airways
Deal found 4/28$1,755
This Emirates deal was found by Cheapflights users on 4/28. 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 12/211:45 amPER - IAD
2 stops57h 25mEmirates
Sun 1/2510:30 amIAD - PER
1 stop24h 40mEmirates
Deal found 4/28$1,908
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/81:10 amPER - IAD
2 stops35h 35mUnited Airlines
Mon 6/236:30 amIAD - PER
2 stops34h 40mUnited Airlines
Deal found 4/29$2,099
This Air Canada deal was found by Cheapflights users on 4/28. 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 6/1211:55 pmPER - IAD
3 stops45h 46mAir Canada
Thu 6/193:30 pmIAD - PER
3 stops36h 15mAir Canada
Deal found 4/28$2,960
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:50 pmPER - IAD
2 stops39h 02mAir New Zealand
Thu 10/912:50 pmIAD - PER
2 stops39h 10mAir New Zealand
Deal found 4/29$4,425

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 April 30, 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

Thu 6/12

8:30 pm-11:45 am

2 stops51h 15m

Washington, D.C. Dulles Intl

Thu 6/19

9:40 pm-4:30 am

2 stops42h 50m

$1,326

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 8/26

10:45 pm-3:40 pm

1 stop28h 55m

Washington, D.C. Dulles Intl

Wed 9/10

9:00 pm-11:55 am

1 stop26h 55m

$1,663

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 6/8

1:10 am-12:45 am

2 stops35h 35m

Washington, D.C. Dulles Intl

Mon 6/23

6:30 am-5:10 am

2 stops34h 40m

$2,099

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 6/12

11:55 pm-9:41 am

3 stops45h 46m

Washington, D.C. Dulles Intl

Thu 6/19

3:30 pm-3:45 pm

3 stops36h 15m

$2,960

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Wed 9/24

7:50 pm-10:52 pm

2 stops39h 02m

Washington, D.C. Dulles Intl

Thu 10/9

12:50 pm-4:00 pm

2 stops39h 10m

$4,425

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Wed 9/24

12:25 pm-8:40 am

2 stops32h 15m

Washington, D.C. Dulles Intl

Thu 10/9

10:55 am-5:35 pm

1 stop42h 40m

$11,499

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Wed 7/9

6:25 am-3:45 pm

2 stops45h 20m

$724

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Wed 7/9

1:45 pm-4:25 pm

2 stops38h 40m

$1,060

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Wed 7/9

10:45 pm-3:40 pm

1 stop28h 55m

$1,322

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 7/8

12:10 am-6:50 am

2 stops42h 40m

$1,800

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Perth-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, August is the cheapest month in which you can book a flight from Perth to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Perth to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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 April 30, 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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated April 30, 2025.
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,292 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Emirates
8.0
Very good
3,213 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air New Zealand
8.0
Very good
471 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
852 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7.4
Good
3,563 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Entertainment

8.0

Comfort

7.9

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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.

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

    Our cheapest airline available from Perth to Washington, D.C. Dulles Intl Airport is Qatar Airways. Our recent data shows that you can find tickets from as low as $1,663 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $2,099 and $2,960 round-trip. You may be able to fly from Perth to Washington, D.C. Dulles Intl Airport for 7% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $1,060 on Singapore Airlines. Other airlines that offer cheap prices include Qatar Airways from $1,322 and Cathay Pacific from $1,800 one-way.

  • 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 $309). Flying from Perth to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). 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

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