How long does it take to fly to Perth?

The flight from Washington, D.C. to Perth depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Perth (the most popular airport in Perth), then the flight time is 29h 13m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Perth, then the average flight time is 29h 55m.

What is the cheapest airline that flies from Washington, D.C. to Perth?

Etihad Airways, Qantas Airways, and United Airlines are the most popular carriers operating from Washington, D.C. to Perth

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.

$956 Cheap Flights from Washington, D.C. to Perth in 2025/26

1 adult

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

Round-trip

One-way

Cheap return flights

22:10 - 19:40IAD-PER

33h 30m2 stops

23:35 - 11:45PER-IAD

49h 10m2 stops

$2,033

Find Deal

Thu, 30 Oct - Thu, 6 Nov

07:50 - 22:50BWI-PER

51h 00m3 stops

00:15 - 19:19PER-BWI

56h 04m2 stops

$2,163

Find Deal

Thu, 30 Oct - Wed, 5 Nov

12:31 - 06:55DCA-PER

30h 24m2 stops

00:25 - 23:00PER-DCA

35h 35m2 stops

$2,353Cathay Pacific

Find Deal

Thu, 30 Oct - Wed, 5 Nov

12:31 - 06:55DCA-PER

30h 24m2 stops

00:15 - 18:44PER-DCA

31h 29m2 stops

$2,383Cathay Pacific

Find Deal

Wed, 29 Oct - Tue, 4 Nov

19:03 - 16:50BWI-PER

57h 47m2 stops

23:50 - 05:40PER-BWI

42h 50m2 stops

$2,487Air New Zealand

Find Deal

Thu, 30 Oct - Thu, 6 Nov

11:50 - 18:40BWI-PER

42h 50m2 stops

22:45 - 23:48PER-BWI

37h 03m2 stops

$2,790Qatar Airways

Find Deal

Wed, 15 Oct - Wed, 29 Oct

18:28 - 16:50BWI-PER

57h 22m2 stops

23:50 - 07:32PER-BWI

44h 42m2 stops

$2,937Air New Zealand

Find Deal

Sat, 13 Dec - Sat, 17 Jan

13:27 - 12:25BWI-PER

34h 58m2 stops

22:40 - 14:30PER-BWI

28h 50m2 stops

$2,985Qantas Airways

Find Deal

Thu, 30 Oct - Thu, 6 Nov

17:15 - 21:15IAD-PER

39h 00m2 stops

07:15 - 22:12PER-IAD

27h 57m2 stops

$3,069Qantas Airways

Find Deal

Wed, 11 Feb - Mon, 2 Mar

21:00 - 18:40IAD-PER

33h 40m1 stop

22:45 - 16:55PER-IAD

30h 10m1 stop

$3,195Qatar Airways

Find Deal

Wed, 15 Oct - Wed, 29 Oct

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

Our best Cathay Pacific deals on Washington, D.C. to Perth flight tickets

Cathay Pacific

30 Oct

DCA12:31Washington, D.C. Reagan-National

30h 24m

2 stops

PER06:55Perth

5 Nov

PER00:25Perth

35h 35m

2 stops

DCA23:00Washington, D.C. Reagan-National

$2,353

Find similar

Cathay Pacific

29 Oct

DCA12:31Washington, D.C. Reagan-National

30h 24m

2 stops

PER06:55Perth

4 Nov

PER00:15Perth

31h 29m

2 stops

DCA18:44Washington, D.C. Reagan-National

$2,383

Find similar

Cathay Pacific

9 Feb

IAD17:15Washington, D.C. Dulles Intl

48h 40m

2 stops

PER06:55Perth

2 Mar

PER00:15Perth

34h 57m

2 stops

IAD22:12Washington, D.C. Dulles Intl

$2,430

Find similar

Qantas Airways flights from Washington, D.C. to Perth

Our best Qantas Airways deals on Washington, D.C. to Perth flight tickets

Qantas Airways

30 Oct

BWI13:27Baltimore/Washington

34h 58m

2 stops

PER12:25Perth

6 Nov

PER22:40Perth

28h 50m

2 stops

BWI14:30Baltimore/Washington

$2,985

Find similar

Qantas Airways

11 Feb

IAD17:15Washington, D.C. Dulles Intl

39h 00m

2 stops

PER21:15Perth

2 Mar

PER07:15Perth

27h 57m

2 stops

IAD22:12Washington, D.C. Dulles Intl

$3,069

Find similar

Qantas Airways

11 Feb

IAD17:15Washington, D.C. Dulles Intl

41h 35m

2 stops

PER23:50Perth

28 Feb

PER22:40Perth

36h 32m

2 stops

IAD22:12Washington, D.C. Dulles Intl

$3,085

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 30/10

22:10-19:40

2 stops33h 30m

Perth

Thu 6/11

23:35-11:45

2 stops49h 10m

$2,033

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 30/10

07:50-22:50

3 stops51h 00m

Perth

Wed 5/11

00:15-19:19

2 stops56h 04m

$2,163

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 30/10

12:31-06:55

2 stops30h 24m

Perth

Wed 5/11

00:25-23:00

2 stops35h 35m

$2,353

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 29/10

12:31-06:55

2 stops30h 24m

Perth

Tue 4/11

00:15-18:44

2 stops31h 29m

$2,383

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 30/10

19:03-16:50

2 stops57h 47m

Perth

Thu 6/11

23:50-05:40

2 stops42h 50m

$2,487

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 15/10

11:50-18:40

2 stops42h 50m

Perth

Wed 29/10

22:45-23:48

2 stops37h 03m

$2,790

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 13/12

18:28-16:50

2 stops57h 22m

Perth

Sat 17/1

23:50-07:32

2 stops44h 42m

$2,937

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 30/10

13:27-12:25

2 stops34h 58m

Perth

Thu 6/11

22:40-14:30

2 stops28h 50m

$2,985

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 11/2

17:15-21:15

2 stops39h 00m

Perth

Mon 2/3

07:15-22:12

2 stops27h 57m

$3,069

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 15/10

21:00-18:40

1 stop33h 40m

Perth

Wed 29/10

22:45-16:55

1 stop30h 10m

$3,195

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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Other information

What is the cheapest month to fly to Perth?

The month of February is, on average, the cheapest month to fly to Perth from Washington, D.C., with most prices found around $1,657. If you’re not able to fly to Perth in February, then August is your next best option. Flight prices from Washington, D.C. to Perth during August average around $1,819.

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

Direct flights	None

There are no direct flights from Washington, D.C. to Perth. There are no popular flight routes from Washington, D.C. to Perth.

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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 26h 55m.
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.

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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.