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Cheap flights from Washington, D.C. Dulles Intl Airport to Perth from $783

This is the cheapest one-way 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 7/24. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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.
Austrian Airlines Logo
6:10 pm - 7:55 am
IAD
-
PER
48h 45m
2 stops
Austrian Airlines Logo
4:35 pm - 2:10 pm
PER
-
IAD
58h 35m
2 stops
$1,486Austrian Airlines
Sat, Nov 21 - Mon, Nov 30
Austrian Airlines Logo
6:10 pm - 3:25 pm
IAD
-
PER
56h 15m
2 stops
Austrian Airlines Logo
4:35 pm - 2:10 pm
PER
-
IAD
58h 35m
2 stops
$1,583Austrian Airlines
Fri, Nov 20 - Mon, Nov 30
Lufthansa Logo
10:55 pm - 7:55 am
IAD
-
PER
44h 00m
2 stops
Lufthansa Logo
9:25 am - 8:05 pm
PER
-
IAD
47h 40m
2 stops
$1,594Lufthansa
Sat, Nov 21 - Tue, Dec 1
Multiple Airlines Logo
8:10 pm - 6:55 am
IAD
-
PER
45h 45m
2 stops
Multiple Airlines Logo
9:25 am - 2:10 pm
PER
-
IAD
65h 45m
2 stops
$1,623Multiple Airlines
Tue, Nov 17 - Tue, Jan 12
Multiple Airlines Logo
8:10 pm - 6:55 am
IAD
-
PER
45h 45m
2 stops
Multiple Airlines Logo
9:25 am - 2:10 pm
PER
-
IAD
65h 45m
2 stops
$1,625Multiple Airlines
Tue, Nov 17 - Tue, Jan 12
Austrian Airlines Logo
6:10 pm - 3:25 pm
IAD
-
PER
56h 15m
2 stops
Austrian Airlines Logo
4:35 pm - 2:10 pm
PER
-
IAD
58h 35m
2 stops
$1,658Austrian Airlines
Fri, Nov 20 - Sun, Nov 29
Austrian Airlines Logo
6:10 pm - 3:25 pm
IAD
-
PER
56h 15m
2 stops
Austrian Airlines Logo
4:35 pm - 2:10 pm
PER
-
IAD
58h 35m
2 stops
$1,668Austrian Airlines
Thu, Dec 10 - Fri, Jan 22
SWISS Logo
8:20 pm - 6:50 am
IAD
-
PER
46h 30m
2 stops
SWISS Logo
8:30 am - 4:45 pm
PER
-
IAD
45h 15m
2 stops
$1,681SWISS
Wed, Aug 12 - Tue, Nov 10
Multiple Airlines Logo
6:10 pm - 3:25 pm
IAD
-
PER
56h 15m
2 stops
Multiple Airlines Logo
10:30 am - 3:55 pm
PER
-
IAD
42h 25m
2 stops
$1,690Multiple Airlines
Thu, Dec 10 - Fri, Jan 22
Multiple Airlines Logo
10:20 pm - 3:35 pm
IAD
-
PER
53h 15m
2 stops
Multiple Airlines Logo
10:30 am - 4:55 pm
PER
-
IAD
42h 25m
2 stops
$1,704Multiple Airlines
Sun, Oct 11 - Sun, Oct 25

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Cathay Pacific flights from Washington, D.C. Dulles Intl Airport to Perth

Our best Cathay Pacific deals on Washington, D.C. Dulles Intl Airport to Perth flight tickets
Cathay Pacific
Nov 3
IAD5:03 pmWashington, D.C. Dulles Intl
40h 52m
2 stops
PER10:55 pmPerth
Nov 10
PER8:30 amPerth
33h 30m
2 stops
IAD5:00 amWashington, D.C. Dulles Intl
$1,836
Cathay Pacific
Nov 4
IAD5:03 pmWashington, D.C. Dulles Intl
40h 52m
2 stops
PER10:55 pmPerth
Nov 7
PER12:25 amPerth
35h 07m
2 stops
IAD10:32 pmWashington, D.C. Dulles Intl
$2,003
Cathay Pacific
Aug 14
IAD2:53 pmWashington, D.C. Dulles Intl
43h 47m
2 stops
PER10:40 pmPerth
Aug 20
PER12:10 amPerth
49h 52m
2 stops
IAD2:02 pmWashington, D.C. Dulles Intl
$2,021

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

Our best SWISS deals on Washington, D.C. Dulles Intl Airport to Perth flight tickets
SWISS
Aug 12
IAD8:20 pmWashington, D.C. Dulles Intl
46h 30m
2 stops
PER6:50 amPerth
Nov 10
PER8:30 amPerth
45h 15m
2 stops
IAD4:45 pmWashington, D.C. Dulles Intl
$1,681
SWISS
Nov 12
IAD8:10 pmWashington, D.C. Dulles Intl
45h 45m
2 stops
PER6:55 amPerth
Nov 21
PER8:30 amPerth
45h 15m
2 stops
IAD4:45 pmWashington, D.C. Dulles Intl
$1,710

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 June 30, 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

Cheapest round-trip

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 11/21

6:10 pm-7:55 am

2 stops48h 45m

Perth

Mon 11/30

4:35 pm-2:10 pm

2 stops58h 35m

$1,486

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Fri 11/20

6:10 pm-3:25 pm

2 stops56h 15m

Perth

Mon 11/30

4:35 pm-2:10 pm

2 stops58h 35m

$1,583
Quickest round-trip

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 11/21

10:55 pm-7:55 am

2 stops44h 00m

Perth

Tue 12/1

9:25 am-8:05 pm

2 stops47h 40m

$1,594

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 11/17

8:10 pm-6:55 am

2 stops45h 45m

Perth

Tue 1/12

9:25 am-2:10 pm

2 stops65h 45m

$1,623

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 11/17

8:10 pm-6:55 am

2 stops45h 45m

Perth

Tue 1/12

9:25 am-2:10 pm

2 stops65h 45m

$1,625

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Fri 11/20

6:10 pm-3:25 pm

2 stops56h 15m

Perth

Sun 11/29

4:35 pm-2:10 pm

2 stops58h 35m

$1,658

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 12/10

6:10 pm-3:25 pm

2 stops56h 15m

Perth

Fri 1/22

4:35 pm-2:10 pm

2 stops58h 35m

$1,668

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 8/12

8:20 pm-6:50 am

2 stops46h 30m

Perth

Tue 11/10

8:30 am-4:45 pm

2 stops45h 15m

$1,681

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 12/10

6:10 pm-3:25 pm

2 stops56h 15m

Perth

Fri 1/22

10:30 am-3:55 pm

2 stops42h 25m

$1,690

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 10/11

10:20 pm-3:35 pm

2 stops53h 15m

Perth

Sun 10/25

10:30 am-4:55 pm

2 stops42h 25m

$1,704

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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

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

You could potentially save up to 28% 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

36h 30m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Perth takes 36h 30m
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

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Perth

  • 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 36h 30m.

  • 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
Qantas AirwaysPriceFrom $1,264Free CancellationRating
7.5
1,054 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $2,062Free CancellationRating
7.3
3,738 reviews
Search Qatar Airways flights

Traveling to a place near Perth?

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

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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.

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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..

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