Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Perth to Washington, D.C. from $1,701

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 21/12. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 Perth to Washington, D.C.

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:30 - 16:30PER-IAD
42h 00m2 stops
Multiple Airlines Logo
22:05 - 00:40IAD-PER
38h 35m2 stops
$1,909Multiple Airlines
Find Deal
Mon, 16 Mar - Mon, 6 Apr
Air New Zealand Logo
23:50 - 20:39PER-IAD
33h 49m2 stops
Air New Zealand Logo
15:25 - 16:50IAD-PER
36h 25m2 stops
$1,974Air New Zealand
Find Deal
Thu, 4 Dec - Thu, 11 Dec
Multiple Airlines Logo
10:30 - 16:30PER-IAD
42h 00m2 stops
Multiple Airlines Logo
22:05 - 01:10IAD-PER
39h 05m2 stops
$2,095Multiple Airlines
Find Deal
Mon, 16 Mar - Mon, 6 Apr
ANA Logo
21:55 - 07:29PER-IAD
45h 34m2 stops
ANA Logo
12:15 - 19:30IAD-PER
43h 15m1 stop
$2,202ANA
Find Deal
Mon, 16 Mar - Mon, 6 Apr
ANA Logo
21:55 - 21:23PER-IAD
36h 28m2 stops
ANA Logo
12:40 - 20:10IAD-PER
66h 30m2 stops
$2,585ANA
Find Deal
Thu, 6 Nov - Mon, 10 Nov
Virgin Australia Logo
23:45 - 16:22PER-IAD
29h 37m2 stops
Virgin Australia Logo
18:15 - 14:45IAD-PER
31h 30m2 stops
$2,942Virgin Australia
Find Deal
Mon, 12 Jan - Sun, 8 Feb
Qatar Airways Logo
22:45 - 15:55PER-IAD
30h 10m1 stop
Qatar Airways Logo
20:05 - 12:20IAD-PER
27h 15m1 stop
$3,136Qatar Airways
Find Deal
Mon, 12 Jan - Sun, 8 Feb
Qantas Airways Logo
17:45 - 22:15PER-IAD
40h 30m2 stops
Qantas Airways Logo
17:26 - 15:25IAD-PER
33h 59m2 stops
$3,141Qantas Airways
Find Deal
Thu, 19 Mar - Wed, 8 Apr
Qatar Airways Logo
15:55 - 15:55PER-IAD
37h 00m1 stop
Qatar Airways Logo
20:05 - 12:20IAD-PER
27h 15m1 stop
$3,184Qatar Airways
Find Deal
Mon, 12 Jan - Sun, 8 Feb
Qantas Airways Logo
22:45 - 22:15PER-IAD
35h 30m2 stops
Qantas Airways Logo
17:10 - 21:35IAD-PER
40h 25m2 stops
$3,242Qantas Airways
Find Deal
Thu, 19 Mar - Fri, 3 Apr

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

Our best United Airlines deals on Perth to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
12 Jan
PER07:20Perth
26h 34m
2 stops
IAD20:54Washington, D.C. Dulles Intl
8 Feb
IAD14:10Washington, D.C. Dulles Intl
35h 35m
2 stops
PER14:45Perth
$2,950
Find similar
United Airlines
19 Mar
PER23:45Perth
31h 37m
2 stops
IAD19:22Washington, D.C. Dulles Intl
5 Apr
IAD12:40Washington, D.C. Dulles Intl
38h 00m
2 stops
PER14:40Perth
$3,021
Find similar
United Airlines
6 Dec
PER15:15Perth
38h 11m
2 stops
IAD16:26Washington, D.C. Dulles Intl
13 Dec
IAD22:10Washington, D.C. Dulles Intl
51h 20m
2 stops
PER14:30Perth
$3,338
Find similar

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

Our best Qatar Airways deals on Perth to Washington, D.C. Dulles Intl Airport flight tickets
Qatar Airways
12 Jan
PER22:45Perth
30h 10m
1 stop
IAD15:55Washington, D.C. Dulles Intl
8 Feb
IAD20:05Washington, D.C. Dulles Intl
27h 15m
1 stop
PER12:20Perth
$3,136
Find similar
Qatar Airways
12 Jan
PER15:55Perth
37h 00m
1 stop
IAD15:55Washington, D.C. Dulles Intl
8 Feb
IAD20:05Washington, D.C. Dulles Intl
27h 15m
1 stop
PER12:20Perth
$3,184
Find similar
Qatar Airways
23 Oct
PER16:10Perth
28h 30m
1 stop
IAD08:40Washington, D.C. Dulles Intl
27 Oct
IAD21:05Washington, D.C. Dulles Intl
33h 40m
1 stop
PER18:45Perth
$3,265
Find similar

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 22 October 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

Fly to

Route

Depart

Return

Price

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

10:30-16:30

2 stops42h 00m

Washington, D.C. Dulles Intl

Mon 6/4

22:05-00:40

2 stops38h 35m

$1,909

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 4/12

23:50-20:39

2 stops33h 49m

Washington, D.C. Dulles Intl

Thu 11/12

15:25-16:50

2 stops36h 25m

$1,974

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

10:30-16:30

2 stops42h 00m

Washington, D.C. Dulles Intl

Mon 6/4

22:05-01:10

2 stops39h 05m

$2,095

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

21:55-07:29

2 stops45h 34m

Washington, D.C. Dulles Intl

Mon 6/4

12:15-19:30

1 stop43h 15m

$2,202

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 6/11

21:55-21:23

2 stops36h 28m

Washington, D.C. Dulles Intl

Mon 10/11

12:40-20:10

2 stops66h 30m

$2,585

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 12/1

23:45-16:22

2 stops29h 37m

Washington, D.C. Dulles Intl

Sun 8/2

18:15-14:45

2 stops31h 30m

$2,942

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 12/1

22:45-15:55

1 stop30h 10m

Washington, D.C. Dulles Intl

Sun 8/2

20:05-12:20

1 stop27h 15m

$3,136

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 19/3

17:45-22:15

2 stops40h 30m

Washington, D.C. Dulles Intl

Wed 8/4

17:26-15:25

2 stops33h 59m

$3,141

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 12/1

15:55-15:55

1 stop37h 00m

Washington, D.C. Dulles Intl

Sun 8/2

20:05-12:20

1 stop27h 15m

$3,184

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 19/3

22:45-22:15

2 stops35h 30m

Washington, D.C. Dulles Intl

Fri 3/4

17:10-21:35

2 stops40h 25m

$3,242

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Perth is in February. Flight prices, which tend to average around $2,128, are often lower during this time because this is during the off-season. If you’re not able to fly to Washington, D.C. Dulles Intl Airport in February, then March is your next best option. Flight prices from Perth to Washington, D.C. Dulles Intl Airport during March average around $2,175.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Monday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Perth. The lowest ticket price found for a Monday departure recently was $2,539. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is $3,387.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the morning when flights can be purchased for as low as $2,475. Flights to Washington, D.C. Dulles Intl Airport are more costly in the evening, with an average ticket price of $3,096. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 return 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

Direct flights

None
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.
Search flight deals

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

    There are 18569.7 km between Perth and Washington, D.C. Dulles Intl. By plane, this route typically takes 26h 34m.

  • 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 are refreshed on a daily basis.

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

  • 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 stopovers. 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 travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Compare and see reviews for airlines that fly from Perth to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free cancellation
Price
Qantas AirwaysPriceFrom $1,862Free cancellationRating
7.5
922 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $2,112Free cancellationRating
8.1
1,384 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $2,288Free cancellationRating
7.4
3,653 reviews
Search Qatar Airways flights
Virgin AustraliaPriceFrom $2,509Free cancellationRating
7.6
421 reviews
Search Virgin Australia flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
McLean
Winchester
Arlington

Why use momondo?

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

It is quick and easy to find Perth to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

momondo does allow users to show only those flights to Washington, D.C. from Perth which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Perth to Washington, D.C..

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

Price alerts on flights to Washington, D.C. from Perth 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 Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organise 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
Fri 21/11
Fri 28/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.