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

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

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 28h 47m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Perth, then the average flight time is 30h 18m.

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.

$982 Cheap Flights from Washington, D.C. to Perth in 2026

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 $2,424 to $3,179. The lowest price recently found on this route was $2,219.

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

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:57 - 11:15

BWI

PER

31h 18m

2 stops

06:25 - 21:29

PER

BWI

27h 04m

2 stops

$2,219Qantas Airways

Wed, 23 Sep - Wed, 30 Sep

15:56 - 13:35

BWI

PER

33h 39m

2 stops

23:45 - 23:41

PER

BWI

35h 56m

2 stops

$2,310American Airlines

Sun, 23 Aug - Sun, 30 Aug

18:35 - 14:45

BWI

PER

31h 10m

2 stops

23:45 - 21:30

PER

BWI

34h 45m

2 stops

$2,437United Airlines

Tue, 17 Nov - Tue, 12 Jan

18:52 - 12:30

BWI

PER

29h 38m

2 stops

23:45 - 11:46

PER

BWI

48h 01m

3 stops

$2,447United Airlines

Thu, 20 Aug - Thu, 27 Aug

20:10 - 06:55

IAD

PER

45h 45m

2 stops

09:25 - 14:10

PER

IAD

65h 45m

2 stops

$2,465Multiple Airlines

Tue, 17 Nov - Tue, 12 Jan

09:07 - 06:50

DCA

PER

33h 43m

2 stops

00:10 - 23:58

PER

DCA

35h 48m

2 stops

$2,477Cathay Pacific

Thu, 20 Aug - Wed, 26 Aug

14:53 - 22:40

IAD

PER

43h 47m

2 stops

08:20 - 14:02

PER

IAD

65h 42m

2 stops

$2,488Cathay Pacific

Tue, 18 Aug - Tue, 25 Aug

17:55 - 01:55

IAD

PER

44h 00m

2 stops

09:25 - 14:10

PER

IAD

41h 45m

2 stops

$2,513Multiple Airlines

Sun, 18 Oct - Sat, 14 Nov

21:00 - 18:35

IAD

PER

33h 35m

1 stop

22:45 - 15:55

PER

IAD

30h 10m

1 stop

$2,629Qatar Airways

Sun, 18 Oct - Sat, 14 Nov

10:30 - 18:45

IAD

PER

43h 15m

1 stop

22:45 - 15:55

PER

IAD

30h 10m

1 stop

$2,631Qatar Airways

Sun, 1 Nov - Sat, 14 Nov

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

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

Qantas Airways

23 Sept

BWI15:57Baltimore/Washington

31h 18m

2 stops

PER11:15Perth

30 Sept

PER06:25Perth

27h 04m

2 stops

BWI21:29Baltimore/Washington

$2,219

Qantas Airways

1 Nov

BWI15:23Baltimore/Washington

32h 02m

2 stops

PER12:25Perth

14 Nov

PER22:55Perth

32h 22m

2 stops

BWI18:17Baltimore/Washington

$2,429

Qantas Airways

4 Nov

BWI15:23Baltimore/Washington

41h 47m

2 stops

PER22:10Perth

8 Nov

PER22:35Perth

32h 42m

2 stops

BWI18:17Baltimore/Washington

$2,521

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

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

United Airlines

17 Nov

BWI18:35Baltimore/Washington

31h 10m

2 stops

PER14:45Perth

12 Jan

PER23:45Perth

34h 45m

2 stops

BWI21:30Baltimore/Washington

$2,437

United Airlines

20 Aug

BWI18:52Baltimore/Washington

29h 38m

2 stops

PER12:30Perth

27 Aug

PER23:45Perth

48h 01m

3 stops

BWI11:46Baltimore/Washington

$2,447

United Airlines

20 Aug

BWI17:44Baltimore/Washington

30h 46m

2 stops

PER12:30Perth

27 Aug

PER22:40Perth

49h 06m

3 stops

BWI11:46Baltimore/Washington

$2,451

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 23/9

15:57-11:15

2 stops31h 18m

Perth

Wed 30/9

06:25-21:29

2 stops27h 04m

$2,219

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 23/8

15:56-13:35

2 stops33h 39m

Perth

Sun 30/8

23:45-23:41

2 stops35h 56m

$2,310

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 17/11

18:35-14:45

2 stops31h 10m

Perth

Tue 12/1

23:45-21:30

2 stops34h 45m

$2,437

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 20/8

18:52-12:30

2 stops29h 38m

Perth

Thu 27/8

23:45-11:46

3 stops48h 01m

$2,447

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 17/11

20:10-06:55

2 stops45h 45m

Perth

Tue 12/1

09:25-14:10

2 stops65h 45m

$2,465

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 20/8

09:07-06:50

2 stops33h 43m

Perth

Wed 26/8

00:10-23:58

2 stops35h 48m

$2,477

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 18/8

14:53-22:40

2 stops43h 47m

Perth

Tue 25/8

08:20-14:02

2 stops65h 42m

$2,488

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 18/10

17:55-01:55

2 stops44h 00m

Perth

Sat 14/11

09:25-14:10

2 stops41h 45m

$2,513

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 18/10

21:00-18:35

1 stop33h 35m

Perth

Sat 14/11

22:45-15:55

1 stop30h 10m

$2,629

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 1/11

10:30-18:45

1 stop43h 15m

Perth

Sat 14/11

22:45-15:55

1 stop30h 10m

$2,631

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 August is, on average, the cheapest month to fly to Perth from Washington, D.C., with most prices found around $0. 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 $1,456.

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

You could potentially save up to 14% 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 20m
Direct flights	None

The fastest flight from Washington, D.C. to Perth takes 28h 20m

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

Frequently asked questions about flying from Washington, D.C. to Perth

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 20m.
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.

Mandurah

Fremantle

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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Cheap flights from Washington, D.C. to Perth from $982

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 17/11. 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 flights from Washington, D.C. to Perth

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

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

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

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

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?

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

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

How long does it take to fly to Perth?

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

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

Direct flights

Frequently asked questions about flying from Washington, D.C. to Perth

Travelling to a place near Perth?

Why use momondo?

An easier way to manage your Perth 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing Western Australia

Cabin classes currently available on flights to Perth

List of cabin classes available on flights landing in Perth. Availability may vary depending on flight origin and airline.

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