Find flights
When to book
Airlines
FAQs

Cheap flights from Perth to Washington, D.C. Dulles Intl Airport from $1,170

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
PER — IAD
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Perth to Dulles Intl

Enter your travel dates to find the best prices.

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 26 February 2026.

Fri 7/823:15
PER
-
IAD
2 stops48h 20m
Multiple Airlines
Mon 17/821:45
IAD
-
PER
2 stops38h 50m
Multiple Airlines
Deal found 25/2$2,001
Tue 10/317:45
PER
-
IAD
2 stops55h 00m
Multiple Airlines
Wed 18/322:15
IAD
-
PER
2 stops42h 00m
Multiple Airlines
Deal found 25/2$2,109
Thu 13/823:50
PER
-
IAD
2 stops36h 01m
Air New Zealand
Thu 20/817:15
IAD
-
PER
2 stops34h 45m
Air New Zealand
Deal found 25/2$2,331
Mon 16/305:30
PER
-
IAD
2 stops29h 23m
Qantas Airways
Mon 6/417:52
IAD
-
PER
2 stops35h 08m
Qantas Airways
Deal found 24/2$2,354
Mon 16/308:00
PER
-
IAD
2 stops50h 53m
American Airlines
Mon 6/417:52
IAD
-
PER
2 stops31h 43m
American Airlines
Deal found 25/2$2,368
Wed 12/806:25
PER
-
IAD
2 stops28h 19m
Qantas Airways
Sat 22/811:51
IAD
-
PER
2 stops32h 59m
Qantas Airways
Deal found 25/2$2,412
Fri 8/523:45
PER
-
IAD
2 stops35h 41m
Qantas Airways
Fri 22/519:21
IAD
-
PER
2 stops49h 29m
Qantas Airways
Deal found 22/2$2,423
Sun 22/323:15
PER
-
IAD
2 stops31h 05m
United Airlines
Sun 19/422:10
IAD
-
PER
2 stops50h 45m
United Airlines
Deal found 24/2$2,485
Wed 25/323:45
PER
-
IAD
2 stops41h 51m
United Airlines
Sat 18/422:05
IAD
-
PER
2 stops50h 25m
United Airlines
Deal found 24/2$2,491

Find 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 26 February 2026.

Round-trip from

$2,001

One-way from

$1,170

Popular in

January

Cheapest in

August

Average price

$2,443
7/8-17/8
  • 7/8-17/8
  • 4 total stops
  • 87h 10m total
  • Perth to Washington, D.C.
Search Deals
4/3
  • 4/3
  • 2 total stops
  • 28h 20m total
  • Perth to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($168 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($52 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 26 February 2026.
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

Fly to

Route

Depart

Return

Price

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

07:15-22:53

2 stops27h 38m

Washington, D.C. Dulles Intl

Mon 6/4

17:52-13:35

2 stops31h 43m

$2,405

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Fri 8/5

23:45-23:26

2 stops35h 41m

Washington, D.C. Dulles Intl

Fri 22/5

19:21-08:50

2 stops49h 29m

$2,423

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Wed 25/3

23:45-20:49

2 stops33h 04m

Washington, D.C. Dulles Intl

Sat 18/4

22:05-12:30

2 stops50h 25m

$2,486

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 24/3

23:45-16:29

2 stops28h 44m

Washington, D.C. Dulles Intl

Fri 17/4

17:55-12:30

2 stops30h 35m

$3,024

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 10/3

16:35-16:55

1 stop36h 20m

Washington, D.C. Dulles Intl

Wed 18/3

21:05-11:55

1 stop26h 50m

$3,092

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 7/5

00:50-20:29

3 stops31h 39m

Washington, D.C. Dulles Intl

Fri 22/5

16:10-17:00

3 stops36h 50m

$3,126

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 12/3

22:20-09:00

1 stop46h 40m

Washington, D.C. Dulles Intl

Mon 16/3

11:15-17:20

1 stop42h 05m

$3,169

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Fri 8/5

22:45-16:05

1 stop29h 20m

Washington, D.C. Dulles Intl

Fri 22/5

20:20-11:55

1 stop27h 35m

$3,221

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 13/8

22:20-08:40

1 stop46h 20m

Washington, D.C. Dulles Intl

Thu 20/8

10:55-17:35

1 stop42h 40m

$3,233

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 11/8

22:20-08:40

1 stop46h 20m

Washington, D.C. Dulles Intl

Wed 19/8

10:55-17:35

1 stop42h 40m

$3,233

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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 return 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

How much does it cost for a return flight from Perth to Washington, D.C. Dulles Intl Airport?

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 26 February 2026.
See what other customers who have flown with Qatar Airways from Perth to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,746 reviews
Check prices

Boarding

7.5

Comfort

7.4

Food

7.3

Crew

7.9

Overall

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Qatar Airways
7.4
Good
3,746 reviews
Qatar Airways
7.4
Good
3,746 reviews
Check prices

Boarding

7.5

Comfort

7.4

Food

7.3

Crew

7.9

Overall

7.4

Entertainment

7.4

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

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 10.2 km from the centre of Perth. There are 0 flights from Perth to Washington, D.C. Dulles Intl per day from 1 airline.

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

    Airlines like Qantas Airways, United Airlines, and Qatar Airways fly from Perth to Washington, D.C. Dulles Intl Airport in about 27h 38m. The time it takes to get you to your destination can typically vary by up to 8h 42m. Airlines will cover a distance of 18561 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Perth to Washington, D.C. Dulles Intl Airport round-trip?

    Qatar Airways, at $2,190, was found to be the cheapest airline from Perth to Washington, D.C. Dulles Intl Airport.. Users have found that Qatar Airways is 10% cheaper than the other options available to this destination.

  • 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 holiday 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.

See more FAQs

Travelling 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
Linthicum Heights

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Perth to Dulles Intl

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

Top airline flying from Perth to Dulles Intl

Discover the top airline that operate flights from Perth to Dulles Intl. 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 647,157 searches. Data last updated 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$2,190Average$2,677FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Perth to Dulles Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from Perth today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Perth to Dulles Intl?

Cheapflights simply makes it quick and affordable to book flights from Perth to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Perth to Dulles Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Perth to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Perth to Dulles Intl become cheaper?

Not ready to book yet? You can track prices for flights from Perth to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.