Cheap flights from Perth to Washington, D.C. from $739

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Washington, D.C. departing on 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Qantas Airways Logo
11:55 pm - 6:31 pm
PER
-
IAD
30h 36m
2 stops
Qantas Airways Logo
7:21 pm - 1:35 pm
IAD
-
PER
30h 14m
2 stops
$1,382Qantas Airways
Sun, Jul 19 - Tue, Jul 28
American Airlines Logo
10:40 pm - 10:53 pm
PER
-
IAD
36h 13m
2 stops
American Airlines Logo
5:59 pm - 11:15 am
IAD
-
PER
53h 16m
2 stops
$1,386American Airlines
Sun, Mar 22 - Sun, Apr 19
Qantas Airways Logo
7:15 am - 10:53 pm
PER
-
IAD
27h 38m
2 stops
Qantas Airways Logo
5:52 pm - 5:00 pm
IAD
-
PER
35h 08m
2 stops
$1,395Qantas Airways
Mon, Mar 16 - Mon, Apr 6
Qantas Airways Logo
5:30 am - 10:53 pm
PER
-
IAD
29h 23m
2 stops
Qantas Airways Logo
5:52 pm - 5:00 pm
IAD
-
PER
35h 08m
2 stops
$1,398Qantas Airways
Mon, Mar 16 - Mon, Apr 6
Qantas Airways Logo
5:30 am - 10:53 pm
PER
-
IAD
29h 23m
2 stops
Qantas Airways Logo
5:52 pm - 5:00 pm
IAD
-
PER
35h 08m
2 stops
$1,404Qantas Airways
Mon, Mar 16 - Mon, Apr 6
Qantas Airways Logo
10:45 pm - 10:53 pm
PER
-
IAD
36h 08m
2 stops
Qantas Airways Logo
5:59 pm - 1:35 pm
IAD
-
PER
31h 36m
2 stops
$1,416Qantas Airways
Sun, Mar 22 - Sun, Apr 19
American Airlines Logo
10:30 am - 5:00 am
PER
-
IAD
30h 30m
2 stops
American Airlines Logo
6:27 am - 1:35 pm
IAD
-
PER
43h 08m
2 stops
$1,417American Airlines
Thu, Aug 6 - Mon, Aug 17
Qantas Airways Logo
10:45 pm - 4:31 pm
PER
-
IAD
53h 46m
2 stops
Qantas Airways Logo
5:59 pm - 9:10 pm
IAD
-
PER
63h 11m
2 stops
$1,429Qantas Airways
Sun, Mar 22 - Sun, Apr 19
Qantas Airways Logo
10:45 pm - 10:53 pm
PER
-
IAD
36h 08m
2 stops
Qantas Airways Logo
5:59 pm - 8:50 am
IAD
-
PER
50h 51m
2 stops
$1,430Qantas Airways
Sun, Mar 22 - Sun, Apr 19
Qantas Airways Logo
10:45 pm - 10:53 pm
PER
-
IAD
36h 08m
2 stops
Qantas Airways Logo
5:52 pm - 9:15 pm
IAD
-
PER
39h 23m
2 stops
$1,432Qantas Airways
Tue, Mar 10 - Wed, Mar 18

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

Our best Qantas Airways deals on Perth to Washington, D.C. Dulles Intl Airport flight tickets
Qantas Airways
Jul 19
PER11:55 pmPerth
30h 36m
2 stops
IAD6:31 pmWashington, D.C. Dulles Intl
Jul 28
IAD7:21 pmWashington, D.C. Dulles Intl
30h 14m
2 stops
PER1:35 pmPerth
$1,382
Qantas Airways
Mar 16
PER7:15 amPerth
27h 38m
2 stops
IAD10:53 pmWashington, D.C. Dulles Intl
Apr 6
IAD5:52 pmWashington, D.C. Dulles Intl
35h 08m
2 stops
PER5:00 pmPerth
$1,395
Qantas Airways
Mar 16
PER5:30 amPerth
29h 23m
2 stops
IAD10:53 pmWashington, D.C. Dulles Intl
Apr 6
IAD5:52 pmWashington, D.C. Dulles Intl
35h 08m
2 stops
PER5:00 pmPerth
$1,398

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

Our best Air Canada deals on Perth to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Feb 19
PER3:15 pmPerth
42h 14m
3 stops
IAD8:29 pmWashington, D.C. Dulles Intl
Feb 23
IAD10:09 pmWashington, D.C. Dulles Intl
57h 11m
3 stops
PER8:20 pmPerth
$1,611
Air Canada
Jul 19
PER10:40 pmPerth
43h 42m
2 stops
IAD6:22 amWashington, D.C. Dulles Intl
Jul 28
IAD12:40 pmWashington, D.C. Dulles Intl
39h 05m
3 stops
PER3:45 pmPerth
$1,615
Air Canada
Jul 7
PER10:40 pmPerth
43h 42m
2 stops
IAD6:22 amWashington, D.C. Dulles Intl
Oct 5
IAD4:00 pmWashington, D.C. Dulles Intl
40h 30m
3 stops
PER8:30 pmPerth
$1,686

momondo Fare Finder

 
Customize your flight search to find flights from Perth to Washington, D.C. Dulles Intl Airport 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 February 7, 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

Sun 7/19

11:55 pm-6:31 pm

2 stops30h 36m

Washington, D.C. Dulles Intl

Tue 7/28

7:21 pm-1:35 pm

2 stops30h 14m

$1,382

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 3/22

10:40 pm-10:53 pm

2 stops36h 13m

Washington, D.C. Dulles Intl

Sun 4/19

5:59 pm-11:15 am

2 stops53h 16m

$1,386

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 3/16

7:15 am-10:53 pm

2 stops27h 38m

Washington, D.C. Dulles Intl

Mon 4/6

5:52 pm-5:00 pm

2 stops35h 08m

$1,395

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 3/16

5:30 am-10:53 pm

2 stops29h 23m

Washington, D.C. Dulles Intl

Mon 4/6

5:52 pm-5:00 pm

2 stops35h 08m

$1,398

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 3/16

5:30 am-10:53 pm

2 stops29h 23m

Washington, D.C. Dulles Intl

Mon 4/6

5:52 pm-5:00 pm

2 stops35h 08m

$1,404

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 3/22

10:45 pm-10:53 pm

2 stops36h 08m

Washington, D.C. Dulles Intl

Sun 4/19

5:59 pm-1:35 pm

2 stops31h 36m

$1,416

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 8/6

10:30 am-5:00 am

2 stops30h 30m

Washington, D.C. Dulles Intl

Mon 8/17

6:27 am-1:35 pm

2 stops43h 08m

$1,417

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 3/22

10:45 pm-4:31 pm

2 stops53h 46m

Washington, D.C. Dulles Intl

Sun 4/19

5:59 pm-9:10 pm

2 stops63h 11m

$1,429

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 3/22

10:45 pm-10:53 pm

2 stops36h 08m

Washington, D.C. Dulles Intl

Sun 4/19

5:59 pm-8:50 am

2 stops50h 51m

$1,430

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 3/10

10:45 pm-10:53 pm

2 stops36h 08m

Washington, D.C. Dulles Intl

Wed 3/18

5:52 pm-9:15 pm

2 stops39h 23m

$1,432

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 Washington, D.C. from

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

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 Perth and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Perth to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,226. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,376.

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

You could potentially save up to 7% on your flight if you consider stops on a Perth to Washington, D.C. Dulles Intl Airport flight.

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

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

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

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

Fastest flight time

27h 38m

Direct flights

None
The fastest flight from Perth to Washington, D.C. Dulles Intl Airport takes 27h 38m
There are no direct flights from Perth to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Perth to Washington, D.C. Dulles Intl Airport.
  • How far is Perth to Washington, D.C. Dulles Intl by plane?

    The distance between Perth and Washington, D.C. Dulles Intl is about 11538.7 mi. By plane, this route typically takes 27h 38m.

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

    Prices for flights from Perth Airport to Washington, D.C. Dulles Intl Airport refresh daily.

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Perth to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Flights from Perth to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Perth to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Perth to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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