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 Baltimore (a popular airport in Washington, D.C.) to Perth (the most popular airport in Perth), then the flight time is 31h 44m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Perth, then the average flight time is 33h 50m.

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

Qantas Airways, Cathay Pacific, and ANA 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.

$2,015 Cheap Flights from Washington, D.C. to Perth in 2025/26

Q: What is the typical price of a round-trip flight between Washington, D.C. and Perth?

Prices are currently low for flights on this route. Typical prices usually range from $3,385 to $3,907. The lowest price recently found on this route was $2,015.

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

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:35 - 19:45

IAD

PER

40h 10m2 stops

07:00 - 10:05

PER

IAD

39h 05m2 stops

$2,015Multiple Airlines

Sun, 1 Mar - Wed, 18 Mar

11:54 - 22:40

DCA

PER

46h 46m2 stops

09:15 - 20:41

PER

DCA

47h 26m2 stops

$2,138Cathay Pacific

Tue, 7 Apr - Mon, 13 Apr

12:39 - 14:55

IAD

PER

38h 16m2 stops

23:55 - 21:05

PER

IAD

33h 10m2 stops

$2,140Multiple Airlines

Tue, 14 Apr - Tue, 5 May

08:30 - 16:00

IAD

PER

43h 30m2 stops

19:50 - 00:50

PER

IAD

41h 00m2 stops

$2,309Air New Zealand

Sun, 10 May - Sat, 23 May

08:37 - 16:00

BWI

PER

43h 23m2 stops

23:50 - 07:01

PER

BWI

43h 11m2 stops

$2,309Air New Zealand

Sun, 10 May - Sat, 23 May

09:37 - 06:55

DCA

PER

32h 18m2 stops

08:30 - 17:59

PER

DCA

46h 29m2 stops

$2,319Cathay Pacific

Wed, 4 Mar - Sun, 8 Mar

15:41 - 17:20

BWI

PER

36h 39m2 stops

22:40 - 14:49

PER

BWI

29h 09m2 stops

$2,349Qantas Airways

Sat, 17 Jan - Sat, 24 Jan

17:30 - 12:05

DCA

PER

30h 35m2 stops

23:55 - 15:49

PER

DCA

27h 54m2 stops

$2,399American Airlines

Tue, 7 Apr - Mon, 13 Apr

17:26 - 12:05

IAD

PER

29h 39m2 stops

06:20 - 22:30

PER

IAD

28h 10m2 stops

$2,448Qantas Airways

Tue, 3 Feb - Wed, 22 Jul

15:41 - 12:25

BWI

PER

31h 44m2 stops

23:55 - 18:24

PER

BWI

30h 29m2 stops

$2,514American Airlines

Tue, 3 Feb - Tue, 23 Jun

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

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

Cathay Pacific

7 Apr

DCA11:54Washington, D.C. Reagan-National

46h 46m

2 stops

PER22:40Perth

13 Apr

PER09:15Perth

47h 26m

2 stops

DCA20:41Washington, D.C. Reagan-National

$2,138

Find similar

Cathay Pacific

4 Mar

DCA09:37Washington, D.C. Reagan-National

32h 18m

2 stops

PER06:55Perth

8 Mar

PER08:30Perth

46h 29m

2 stops

DCA17:59Washington, D.C. Reagan-National

$2,319

Find similar

Cathay Pacific

4 Mar

DCA09:37Washington, D.C. Reagan-National

32h 18m

2 stops

PER06:55Perth

8 Mar

PER08:30Perth

46h 29m

2 stops

DCA17:59Washington, D.C. Reagan-National

$2,321

Find similar

American Airlines flights from Washington, D.C. to Perth

Our best American Airlines deals on Washington, D.C. to Perth flight tickets

American Airlines

7 Apr

DCA17:30Washington, D.C. Reagan-National

30h 35m

2 stops

PER12:05Perth

13 Apr

PER23:55Perth

27h 54m

2 stops

DCA15:49Washington, D.C. Reagan-National

$2,399

Find similar

American Airlines

3 Feb

IAD17:26Washington, D.C. Dulles Intl

29h 39m

2 stops

PER12:05Perth

23 June

PER23:45Perth

34h 42m

2 stops

IAD22:27Washington, D.C. Dulles Intl

$2,868

Find similar

American Airlines

3 Feb

DCA17:30Washington, D.C. Reagan-National

29h 55m

2 stops

PER12:25Perth

23 June

PER23:55Perth

30h 56m

2 stops

DCA18:51Washington, D.C. Reagan-National

$2,888

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 1/3

14:35-19:45

2 stops40h 10m

Perth

Wed 18/3

07:00-10:05

2 stops39h 05m

$2,015

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 7/4

11:54-22:40

2 stops46h 46m

Perth

Mon 13/4

09:15-20:41

2 stops47h 26m

$2,138

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 14/4

12:39-14:55

2 stops38h 16m

Perth

Tue 5/5

23:55-21:05

2 stops33h 10m

$2,140

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 10/5

08:30-16:00

2 stops43h 30m

Perth

Sat 23/5

19:50-00:50

2 stops41h 00m

$2,309

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 10/5

08:37-16:00

2 stops43h 23m

Perth

Sat 23/5

23:50-07:01

2 stops43h 11m

$2,309

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 4/3

09:37-06:55

2 stops32h 18m

Perth

Sun 8/3

08:30-17:59

2 stops46h 29m

$2,319

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 17/1

15:41-17:20

2 stops36h 39m

Perth

Sat 24/1

22:40-14:49

2 stops29h 09m

$2,349

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 7/4

17:30-12:05

2 stops30h 35m

Perth

Mon 13/4

23:55-15:49

2 stops27h 54m

$2,399

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 3/2

17:26-12:05

2 stops29h 39m

Perth

Wed 22/7

06:20-22:30

2 stops28h 10m

$2,448

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 3/2

15:41-12:25

2 stops31h 44m

Perth

Tue 23/6

23:55-18:24

2 stops30h 29m

$2,514

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

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Perth?

What is the cheapest month to fly to Perth?

The month of March is, on average, the cheapest month to fly to Perth from Washington, D.C., with most prices found around $1,828. If you’re not able to fly to Perth in March, then August is your next best option. Flight prices from Washington, D.C. to Perth during August average around $1,828.

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	31h 44m
Direct flights	None

The fastest flight from Washington, D.C. to Perth takes 31h 44m

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 35m.
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.

Fremantle

Mandurah

Scarborough

Rottnest Island

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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.