How long does it take to fly to Perth?

Average flight duration from State of Washington to Perth depends on which airport you fly into and out of. Flying from Seattle to Perth is 22h 40m on average, while flying from Spokane to Perth is 44h 40m on average. Perth is the most popular airport in Perth.

What airlines fly to Perth?

Singapore Airlines, Qantas Airways and Qatar Airways are the top three most popular airlines that fly to Perth from State of Washington according to our data. Singapore Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Perth. Keep in mind that there are 3 different airlines that fly to Perth on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington to Perth?

Qatar Airways is the most popular carrier operating from Washington to Perth

When did momondo last update prices for flights from Washington to Perth Airport?

Prices for flights from Washington to Perth Airport are updated daily.

How many operators does momondo search for flights from Washington to Perth Airport?

As of January 2026, there are 3 operators available to choose from for flights from Washington to Perth Airport.

How old do you have to be to fly from Washington to Perth Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Perth Airport.

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

The travel and health documents you'll need for your trip to Perth Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Perth Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$620 Cheap Flights from Washington to Perth in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 am - 5:10 am

SEA

PER

27h 55m

1 stop

1:45 pm - 8:45 am

PER

SEA

34h 00m

1 stop

$1,090Singapore Airlines

jue., abr. 30 - lun., may. 4

10:15 am - 12:30 pm

SEA

PER

35h 15m

1 stop

1:10 am - 8:45 am

PER

SEA

22h 35m

1 stop

$1,107Singapore Airlines

mar., abr. 7 - lun., abr. 27

10:15 am - 12:30 pm

SEA

PER

35h 15m

1 stop

1:10 am - 8:45 am

PER

SEA

22h 35m

1 stop

$1,112Singapore Airlines

mar., abr. 7 - lun., abr. 27

7:10 am - 5:10 am

SEA

PER

31h 00m

2 stops

6:25 am - 8:45 am

PER

SEA

41h 20m

1 stop

$1,126Multiple Airlines

mié., abr. 29 - lun., may. 4

10:15 am - 5:10 am

SEA

PER

27h 55m

1 stop

1:10 am - 2:42 pm

PER

SEA

28h 32m

2 stops

$1,140Multiple Airlines

mar., abr. 7 - lun., abr. 27

7:05 am - 11:55 am

PDX

PER

36h 50m

2 stops

10:45 pm - 9:38 pm

PER

PDX

37h 53m

2 stops

$1,335Qatar Airways

mar., mar. 3 - mar., mar. 17

6:00 am - 7:45 am

GEG

PER

34h 45m

2 stops

7:10 am - 9:12 pm

PER

GEG

29h 02m

2 stops

$1,354Qantas Airways

vie., mar. 13 - vie., mar. 20

9:19 pm - 11:55 am

PDX

PER

46h 36m

2 stops

10:45 pm - 11:44 pm

PER

PDX

40h 59m

2 stops

$1,713Qatar Airways

dom., feb. 15 - mié., feb. 18

12:42 pm - 11:20 am

GEG

PER

31h 38m

2 stops

11:45 pm - 9:03 pm

PER

GEG

36h 18m

2 stops

$1,851United Airlines

dom., mar. 8 - mar., mar. 10

7:02 am - 5:25 am

GEG

PER

31h 23m

2 stops

11:45 pm - 9:03 pm

PER

GEG

36h 18m

2 stops

$2,236United Airlines

dom., mar. 8 - mar., mar. 10

Qantas Airways flights from State of Washington to Perth

Our best Qantas Airways deals on State of Washington to Perth flight tickets

Qantas Airways

Mar 13

GEG6:00 amSpokane

34h 45m

2 stops

PER7:45 amPerth

Mar 20

PER7:10 amPerth

29h 02m

2 stops

GEG9:12 pmSpokane

$1,354

Qantas Airways

Jan 29

SEA6:00 amSeattle/Tacoma Intl

40h 30m

2 stops

PER2:30 pmPerth

Feb 13

PER10:45 pmPerth

34h 15m

2 stops

SEA5:00 pmSeattle/Tacoma Intl

$1,513

Qantas Airways

Feb 1

PDX4:51 pmPortland

27h 34m

2 stops

PER12:25 pmPerth

Feb 19

PER7:30 amPerth

29h 23m

2 stops

PDX8:53 pmPortland

$7,038

Cathay Pacific flights from State of Washington to Perth

Our best Cathay Pacific deals on State of Washington to Perth flight tickets

Cathay Pacific

Mar 13

SEA7:15 amSeattle/Tacoma Intl

32h 40m

2 stops

PER6:55 amPerth

Mar 20

PER8:30 amPerth

29h 12m

2 stops

SEA10:42 pmSeattle/Tacoma Intl

$1,278

Cathay Pacific

May 4

SEA6:21 amSeattle/Tacoma Intl

34h 24m

2 stops

PER7:45 amPerth

May 13

PER12:10 amPerth

24h 55m

1 stop

SEA10:05 amSeattle/Tacoma Intl

$1,310

Cathay Pacific

Apr 7

SEA10:00 amSeattle/Tacoma Intl

53h 50m

2 stops

PER6:50 amPerth

Apr 27

PER12:10 amPerth

37h 39m

2 stops

SEA10:49 pmSeattle/Tacoma Intl

$1,319

Fly from

Fly to

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

jue. 4/30

10:15 am-5:10 am

1 stop27h 55m

Perth

lun. 5/4

1:45 pm-8:45 am

1 stop34h 00m

$1,090

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

mar. 4/7

10:15 am-12:30 pm

1 stop35h 15m

Perth

lun. 4/27

1:10 am-8:45 am

1 stop22h 35m

$1,107

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

mar. 4/7

10:15 am-12:30 pm

1 stop35h 15m

Perth

lun. 4/27

1:10 am-8:45 am

1 stop22h 35m

$1,112

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

mié. 4/29

7:10 am-5:10 am

2 stops31h 00m

Perth

lun. 5/4

6:25 am-8:45 am

1 stop41h 20m

$1,126

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

mar. 4/7

10:15 am-5:10 am

1 stop27h 55m

Perth

lun. 4/27

1:10 am-2:42 pm

2 stops28h 32m

$1,140

PortlandPerth

PDX - PER

PDXPER

Portland

mar. 3/3

7:05 am-11:55 am

2 stops36h 50m

Perth

mar. 3/17

10:45 pm-9:38 pm

2 stops37h 53m

$1,335

SpokanePerth

GEG - PER

GEGPER

Spokane

vie. 3/13

6:00 am-7:45 am

2 stops34h 45m

Perth

vie. 3/20

7:10 am-9:12 pm

2 stops29h 02m

$1,354

PortlandPerth

PDX - PER

PDXPER

Portland

dom. 2/15

9:19 pm-11:55 am

2 stops46h 36m

Perth

mié. 2/18

10:45 pm-11:44 pm

2 stops40h 59m

$1,713

SpokanePerth

GEG - PER

GEGPER

Spokane

dom. 3/8

12:42 pm-11:20 am

2 stops31h 38m

Perth

mar. 3/10

11:45 pm-9:03 pm

2 stops36h 18m

$1,851

SpokanePerth

GEG - PER

GEGPER

Spokane

dom. 3/8

7:02 am-5:25 am

2 stops31h 23m

Perth

mar. 3/10

11:45 pm-9:03 pm

2 stops36h 18m

$2,236

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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 cheapest month to fly to Perth?

In general, February is the cheapest month to fly from State of Washington to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,258. If you are unable to visit Perth during the month of February, then departing from State of Washington during the month September is also very affordable. Most momondo users find prices during this month for around $1,290.

Can stopping save me money on State of Washington to Perth flights?

You could potentially save up to 18% on your flight if you consider stops on a State of Washington to Perth flight.

Cheap State of Washington to Perth flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Perth

Fastest flight time	22h 40m
Direct flights	None

The fastest flight from State of Washington to Perth takes 22h 40m

There are no direct flights from State of Washington to Perth. There are no popular flight routes from State of Washington to Perth.

Search flight deals

When did momondo last update prices for flights from Washington to Perth Airport?
Prices for flights from Washington to Perth Airport are updated daily.
How many operators does momondo search for flights from Washington to Perth Airport?
As of January 2026, there are 3 operators available to choose from for flights from Washington to Perth Airport.
How old do you have to be to fly from Washington to Perth Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The travel and health documents you'll need for your trip to Perth Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Perth Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Perth

Compare and see reviews for airlines that fly from State of Washington to Perth with momondo

Airline	Rating	Free Cancellation	Price
Qatar Airways	PriceFrom $928	Free Cancellation	Rating 7.4 3,728 reviews	Search Qatar Airways flights
Qantas Airways	PriceFrom $1,258	Free Cancellation	Rating 7.5 981 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,265	Free Cancellation	Rating 8.2 1,440 reviews	Search Singapore Airlines flights

Mandurah

Fremantle

Scarborough

Rottnest Island

Waikiki

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Perth?

Finding the right flight to Perth from Washington 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 to Perth with flexible booking policies on momondo?

All flight searches from Washington to Perth on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to Perth?

momondo helps you find the best flight between Washington and Perth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Perth from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Perth trip

We make it super easy to schedule, organize 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

sáb. 2/28

sáb. 3/7

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Cheap flights from Washington to Perth from $620

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 to Perth departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Perth

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Qantas Airways flights from State of Washington to Perth

Our best Qantas Airways deals on State of Washington to Perth flight tickets

Cathay Pacific flights from State of Washington to Perth

Our best Cathay Pacific deals on State of Washington to Perth flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Perth that are best for you.

See travel insights to Perth from

How to get the cheapest flight ticket from State of Washington to Perth

What is the cheapest month to fly to Perth?

Can stopping save me money on State of Washington to Perth flights?

You could potentially save up to 18% on your flight if you consider stops on a State of Washington to Perth flight.

What is the cheapest airline that flies from Washington to Perth?

Qatar Airways is the most popular carrier operating from Washington to Perth

What airlines fly to Perth?

How long does it take to fly to Perth?

Average flight duration from State of Washington to Perth depends on which airport you fly into and out of. Flying from Seattle to Perth is 22h 40m on average, while flying from Spokane to Perth is 44h 40m on average. Perth is the most popular airport in Perth.

Cheap State of Washington to Perth flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Perth

Fastest flight time

Direct flights

When did momondo last update prices for flights from Washington to Perth Airport?

How many operators does momondo search for flights from Washington to Perth Airport?

How old do you have to be to fly from Washington to Perth Airport?

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

Best airlines flying from State of Washington to Perth

Compare and see reviews for airlines that fly from State of Washington to Perth with momondo

Traveling to a place near Perth?

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Perth?

Can I find flights from Washington to Perth with flexible booking policies on momondo?

How can momondo help me find flights from Washington to Perth?

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

An easier way to manage your Perth trip

We make it super easy to schedule, organize 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