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Cheap flights from Washington, D.C. to Perth from $857

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. to Perth departing on 24/2. 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

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

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:35 - 23:55
IAD
-
PER
44h 20m
2 stops
Multiple Airlines Logo
10:30 - 10:05
PER
-
IAD
35h 35m
2 stops
$2,270Multiple Airlines
Mon, 2 Mar - Wed, 11 Mar
American Airlines Logo
17:35 - 11:15
DCA
-
PER
29h 40m
2 stops
American Airlines Logo
23:45 - 20:19
PER
-
DCA
32h 34m
2 stops
$2,368American Airlines
Tue, 16 Jun - Tue, 30 Jun
Multiple Airlines Logo
18:37 - 22:55
DCA
-
PER
39h 18m
2 stops
Multiple Airlines Logo
00:25 - 22:59
PER
-
DCA
34h 34m
2 stops
$2,369Multiple Airlines
Mon, 2 Mar - Tue, 10 Mar
Multiple Airlines Logo
15:21 - 14:15
BWI
-
PER
33h 54m
2 stops
Multiple Airlines Logo
07:10 - 22:59
PER
-
BWI
27h 49m
2 stops
$2,371Multiple Airlines
Mon, 2 Mar - Wed, 11 Mar
Multiple Airlines Logo
18:37 - 22:55
DCA
-
PER
39h 18m
2 stops
Multiple Airlines Logo
00:25 - 21:15
PER
-
DCA
32h 50m
3 stops
$2,372Multiple Airlines
Mon, 2 Mar - Tue, 10 Mar
American Airlines Logo
16:59 - 12:25
DCA
-
PER
31h 26m
2 stops
American Airlines Logo
23:45 - 20:41
PER
-
DCA
32h 56m
2 stops
$2,384American Airlines
Sun, 22 Mar - Sun, 29 Mar
Qantas Airways Logo
14:14 - 11:15
DCA
-
PER
32h 01m
2 stops
Qantas Airways Logo
07:10 - 23:00
PER
-
DCA
27h 50m
2 stops
$2,427Qantas Airways
Mon, 2 Mar - Wed, 11 Mar
Qantas Airways Logo
15:21 - 23:50
BWI
-
PER
43h 29m
2 stops
Qantas Airways Logo
22:45 - 22:59
PER
-
BWI
36h 14m
2 stops
$2,461Qantas Airways
Sun, 1 Mar - Sun, 15 Mar
Air Canada Logo
08:19 - 21:30
IAD
-
PER
49h 11m
3 stops
Air Canada Logo
17:15 - 06:22
PER
-
IAD
49h 07m
2 stops
$2,494Air Canada
Mon, 29 Jun - Wed, 29 Jul
Air Canada Logo
09:55 - 15:45
IAD
-
PER
41h 50m
3 stops
Air Canada Logo
13:15 - 20:24
PER
-
IAD
43h 09m
3 stops
$2,547Air Canada
Wed, 1 Jul - Sat, 1 Aug

Cathay Pacific flights from Washington, D.C. to Perth

Our best Cathay Pacific deals on Washington, D.C. to Perth flight tickets
Cathay Pacific
2 Apr
DCA14:14Washington, D.C. Reagan-National
44h 26m
2 stops
PER22:40Perth
11 Apr
PER08:20Perth
51h 41m
2 stops
DCA00:01Washington, D.C. Reagan-National
$2,726
Cathay Pacific
1 July
DCA18:59Washington, D.C. Reagan-National
39h 41m
2 stops
PER22:40Perth
29 July
PER00:10Perth
43h 49m
2 stops
DCA07:59Washington, D.C. Reagan-National
$3,110

Air New Zealand flights from Washington, D.C. to Perth

Our best Air New Zealand deals on Washington, D.C. to Perth flight tickets
Air New Zealand
16 June
DCA17:49Washington, D.C. Reagan-National
40h 31m
2 stops
PER22:20Perth
30 June
PER14:35Perth
38h 12m
2 stops
DCA16:47Washington, D.C. Reagan-National
$2,799
Air New Zealand
2 Apr
BWI18:28Baltimore/Washington
57h 32m
2 stops
PER16:00Perth
11 Apr
PER14:50Perth
50h 25m
2 stops
BWI05:15Baltimore/Washington
$3,027
Air New Zealand
29 June
BWI19:27Baltimore/Washington
38h 43m
2 stops
PER22:10Perth
1 Aug
PER19:50Perth
47h 20m
2 stops
BWI07:10Baltimore/Washington
$3,217

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. 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 78,305 searches. Data last updated 7 February 2026.
Use the filters below to find and compare flights from Washington, D.C. 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

Mon 2/3

14:35-23:55

2 stops44h 20m

Perth

Wed 11/3

10:30-10:05

2 stops35h 35m

$2,270

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 16/6

17:35-11:15

2 stops29h 40m

Perth

Tue 30/6

23:45-20:19

2 stops32h 34m

$2,368

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Mon 2/3

18:37-22:55

2 stops39h 18m

Perth

Tue 10/3

00:25-22:59

2 stops34h 34m

$2,369

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 2/3

15:21-14:15

2 stops33h 54m

Perth

Wed 11/3

07:10-22:59

2 stops27h 49m

$2,371

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Mon 2/3

18:37-22:55

2 stops39h 18m

Perth

Tue 10/3

00:25-21:15

3 stops32h 50m

$2,372

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sun 22/3

16:59-12:25

2 stops31h 26m

Perth

Sun 29/3

23:45-20:41

2 stops32h 56m

$2,384

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Mon 2/3

14:14-11:15

2 stops32h 01m

Perth

Wed 11/3

07:10-23:00

2 stops27h 50m

$2,427

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 1/3

15:21-23:50

2 stops43h 29m

Perth

Sun 15/3

22:45-22:59

2 stops36h 14m

$2,461

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 29/6

08:19-21:30

3 stops49h 11m

Perth

Wed 29/7

17:15-06:22

2 stops49h 07m

$2,494

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 1/7

09:55-15:45

3 stops41h 50m

Perth

Sat 1/8

13:15-20:24

3 stops43h 09m

$2,547

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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. 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 cheapest month to fly to Perth?

The month of August is, on average, the cheapest month to fly to Perth from Washington, D.C., with most prices found around $1,736. If you’re not able to fly to Perth in August, then June is your next best option. Flight prices from Washington, D.C. to Perth during June average around $1,740.

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

You could potentially save up to 35% on your flight if you consider stops on a Washington, D.C. to Perth flight.

When to book flights from Washington, D.C. to Perth

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

Cheap Washington, D.C. to Perth (WAS to PER) flight deals and tips

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

Fastest flight time

28h 51m

Direct flights

None
The fastest flight from Washington, D.C. to Perth takes 28h 51m
There are no direct flights from Washington, D.C. to Perth. There are no popular flight routes from Washington, D.C. to Perth.
Search flight deals

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

    There are 18603.3 km between Washington, D.C. and Perth. By plane, this route typically takes 28h 51m.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.

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

    The travel and health documents required for your trip to Perth 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 Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Perth?

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

Why use momondo?

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

Finding the right flight to Perth from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Perth quick and easy, saving you time and money.

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?

momondo provides multiple filters to help you find the best flight to Perth from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Washington, D.C. to Perth flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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