Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Perth from $1,522

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Perth departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Perth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:35 pm - 11:55 pm
IAD
-
PER
44h 20m
2 stops
Multiple Airlines Logo
11:10 pm - 10:05 am
PER
-
IAD
46h 55m
2 stops
$1,522Multiple Airlines
Sat, Mar 7 - Sun, Mar 15
Multiple Airlines Logo
11:00 am - 12:55 pm
IAD
-
PER
37h 55m
2 stops
Multiple Airlines Logo
6:05 pm - 4:05 pm
PER
-
IAD
58h 00m
2 stops
$1,528Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
10:40 am - 1:25 pm
IAD
-
PER
37h 45m
2 stops
Multiple Airlines Logo
4:55 am - 3:55 pm
PER
-
IAD
48h 00m
2 stops
$1,548Multiple Airlines
Fri, Feb 27 - Sat, Mar 7
Multiple Airlines Logo
6:10 am - 6:50 am
IAD
-
PER
36h 40m
2 stops
Multiple Airlines Logo
8:20 am - 5:00 am
PER
-
IAD
32h 40m
2 stops
$1,578Multiple Airlines
Wed, Jul 1 - Sat, Aug 1
Multiple Airlines Logo
2:35 pm - 11:55 pm
IAD
-
PER
44h 20m
2 stops
Multiple Airlines Logo
10:30 am - 10:05 am
PER
-
IAD
35h 35m
2 stops
$1,584Multiple Airlines
Wed, Mar 4 - Mon, Mar 9
Multiple Airlines Logo
3:35 pm - 11:55 pm
IAD
-
PER
44h 20m
2 stops
Multiple Airlines Logo
10:30 am - 10:05 am
PER
-
IAD
35h 35m
2 stops
$1,623Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
2:35 pm - 9:45 pm
IAD
-
PER
42h 10m
3 stops
Multiple Airlines Logo
10:30 am - 10:05 am
PER
-
IAD
35h 35m
2 stops
$1,705Multiple Airlines
Wed, Mar 4 - Mon, Mar 9
Multiple Airlines Logo
3:35 pm - 9:45 pm
IAD
-
PER
42h 10m
3 stops
Multiple Airlines Logo
10:30 am - 10:05 am
PER
-
IAD
35h 35m
2 stops
$1,744Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
3:10 pm - 12:40 am
IAD
-
PER
45h 30m
2 stops
Multiple Airlines Logo
7:20 am - 9:45 am
PER
-
IAD
38h 25m
3 stops
$1,752Multiple Airlines
Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
7:21 pm - 1:35 pm
IAD
-
PER
30h 14m
2 stops
Multiple Airlines Logo
10:30 am - 5:00 am
PER
-
IAD
30h 30m
2 stops
$1,757Multiple Airlines
Tue, Jun 16 - Tue, Jun 30

Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Perth

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Perth flight tickets
Qatar Airways
Feb 10
IAD8:05 pmWashington, D.C. Dulles Intl
47h 15m
2 stops
PER8:20 amPerth
Feb 13
PER10:45 pmPerth
30h 10m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$2,134
Qatar Airways
Mar 12
IAD9:05 pmWashington, D.C. Dulles Intl
33h 40m
1 stop
PER6:45 pmPerth
Mar 19
PER10:45 pmPerth
30h 10m
1 stop
IAD4:55 pmWashington, D.C. Dulles Intl
$2,191
Qatar Airways
Feb 10
IAD8:05 pmWashington, D.C. Dulles Intl
33h 40m
1 stop
PER6:45 pmPerth
Feb 13
PER10:45 pmPerth
30h 10m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$2,312

Qantas Airways flights from Washington, D.C. Dulles Intl Airport to Perth

Our best Qantas Airways deals on Washington, D.C. Dulles Intl Airport to Perth flight tickets
Qantas Airways
Mar 4
IAD5:37 pmWashington, D.C. Dulles Intl
35h 38m
2 stops
PER6:15 pmPerth
Mar 8
PER5:45 pmPerth
35h 05m
2 stops
IAD4:50 pmWashington, D.C. Dulles Intl
$1,785
Qantas Airways
Mar 4
IAD5:37 pmWashington, D.C. Dulles Intl
38h 38m
2 stops
PER9:15 pmPerth
Mar 8
PER5:45 pmPerth
41h 08m
2 stops
IAD10:53 pmWashington, D.C. Dulles Intl
$1,787
Qantas Airways
Feb 26
IAD5:52 pmWashington, D.C. Dulles Intl
29h 13m
2 stops
PER12:05 pmPerth
Mar 8
PER5:45 pmPerth
35h 05m
2 stops
IAD4:50 pmWashington, D.C. Dulles Intl
$1,801

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated January 29, 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

Sat 3/7

2:35 pm-11:55 pm

2 stops44h 20m

Perth

Sun 3/15

11:10 pm-10:05 am

2 stops46h 55m

$1,522

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 4/15

11:00 am-12:55 pm

2 stops37h 55m

Perth

Wed 4/22

6:05 pm-4:05 pm

2 stops58h 00m

$1,528

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Fri 2/27

10:40 am-1:25 pm

2 stops37h 45m

Perth

Sat 3/7

4:55 am-3:55 pm

2 stops48h 00m

$1,548

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 7/1

6:10 am-6:50 am

2 stops36h 40m

Perth

Sat 8/1

8:20 am-5:00 am

2 stops32h 40m

$1,578

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 3/4

2:35 pm-11:55 pm

2 stops44h 20m

Perth

Mon 3/9

10:30 am-10:05 am

2 stops35h 35m

$1,584

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 3/12

3:35 pm-11:55 pm

2 stops44h 20m

Perth

Thu 3/19

10:30 am-10:05 am

2 stops35h 35m

$1,623

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 3/4

2:35 pm-9:45 pm

3 stops42h 10m

Perth

Mon 3/9

10:30 am-10:05 am

2 stops35h 35m

$1,705

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

10:30 am-10:05 am

2 stops35h 35m

$1,744

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 4/15

3:10 pm-12:40 am

2 stops45h 30m

Perth

Wed 4/22

7:20 am-9:45 am

3 stops38h 25m

$1,752

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 6/16

7:21 pm-1:35 pm

2 stops30h 14m

Perth

Tue 6/30

10:30 am-5:00 am

2 stops30h 30m

$1,757

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Perth from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Perth?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Perth flights?

You could potentially save up to 9% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Perth flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Perth according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Perth (IAD to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Perth

Fastest flight time

31h 15m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Perth takes 31h 15m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Perth. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Perth.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Perth by plane?

    Perth is 11538.7 mi away from Washington, D.C. Dulles Intl. By plane, this route typically takes 31h 15m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Perth Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Perth Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Perth Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Perth Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Perth Airport.

  • What documentation or ID do you need to fly to Perth Airport?

    The required travel and health documents for your Perth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Perth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Perth?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Perth

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Perth with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,195Free CancellationRating
7.4
3,727 reviews
Search Qatar Airways flights
Qantas AirwaysPriceFrom $1,212Free CancellationRating
7.5
981 reviews
Search Qantas Airways flights

Traveling to a place near Perth?

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

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Perth?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Perth for you.

Can I find flights from Washington, D.C. to Perth with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Perth on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Perth?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Perth from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Perth right now. Can momondo alert me if prices change?

Price alerts on flights to Perth from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Perth trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia