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

Philippine Airlines and Qatar Airways are the most popular carriers operating from Washington 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 26h 15m on average, while flying from Spokane to Perth is 45h 14m on average. Perth is the most popular airport in Perth.

What airlines fly to Perth?

Singapore Airlines, Qatar Airways and Qantas 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 58% of people opting to fly with this airline when traveling to Perth. Keep in mind that there are 4 different airlines that fly to Perth on a routine basis, so you have a few additional options to choose from.

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 September 2025, there are 5 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.

$481 Cheap Flights from Washington to Perth in 2025/26

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Find the cheapest flights from Washington to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

8:45 am - 12:35 pmSEA-PER

35h 50m1 stop

5:05 pm - 7:10 amPER-SEA

30h 05m1 stop

$1,153Singapore Airlines

Find Deal

Thu, Nov 6 - Thu, Nov 13

12:10 am - 8:50 amSEA-PER

40h 40m2 stops

11:35 pm - 7:10 amPER-SEA

23h 35m1 stop

$1,181Multiple Airlines

Find Deal

Wed, Nov 5 - Thu, Nov 13

6:25 am - 6:55 amSEA-PER

56h 30m2 stops

12:25 am - 6:11 pmPER-SEA

33h 46m2 stops

$1,252Cathay Pacific

Find Deal

Thu, Nov 6 - Wed, Nov 12

4:30 pm - 10:55 pmSEA-PER

38h 25m2 stops

8:30 am - 11:06 pmPER-SEA

30h 36m2 stops

$1,267Cathay Pacific

Find Deal

Thu, Nov 6 - Thu, Nov 13

4:30 pm - 6:40 pmSEA-PER

35h 10m1 stop

10:45 pm - 11:40 amPER-SEA

28h 55m1 stop

$1,297Qatar Airways

Find Deal

Thu, Oct 23 - Thu, Nov 13

4:30 pm - 12:35 pmSEA-PER

29h 05m2 stops

10:55 pm - 6:11 pmPER-SEA

35h 16m2 stops

$1,303Qantas Airways

Find Deal

Thu, Oct 23 - Tue, Nov 11

5:59 pm - 1:10 pmSEA-PER

27h 11m2 stops

5:00 am - 8:02 pmPER-SEA

31h 02m2 stops

$1,326Qantas Airways

Find Deal

Tue, Dec 9 - Tue, Jan 13

8:00 am - 6:40 pmSEA-PER

43h 40m2 stops

10:45 pm - 11:40 amPER-SEA

28h 55m1 stop

$1,353Qatar Airways

Find Deal

Thu, Oct 23 - Tue, Nov 11

8:00 pm - 8:20 pmSEA-PER

32h 20m2 stops

10:30 pm - 9:31 amPER-SEA

27h 01m2 stops

$1,375Air Canada

Find Deal

Thu, Dec 11 - Thu, Jan 15

5:50 am - 8:20 pmSEA-PER

46h 30m2 stops

10:55 pm - 2:31 pmPER-SEA

31h 36m2 stops

$1,380Air Canada

Find Deal

Thu, Dec 11 - Fri, Jan 16

Qantas Airways flights from State of Washington to Perth

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

Qantas Airways

Oct 23

SEA4:30 pmSeattle/Tacoma Intl

29h 05m

2 stops

PER12:35 pmPerth

Nov 11

PER10:55 pmPerth

35h 16m

2 stops

SEA6:11 pmSeattle/Tacoma Intl

$1,303

Find similar

Qantas Airways

Dec 9

SEA5:59 pmSeattle/Tacoma Intl

27h 11m

2 stops

PER1:10 pmPerth

Jan 13

PER5:00 amPerth

31h 02m

2 stops

SEA8:02 pmSeattle/Tacoma Intl

$1,326

Find similar

Qantas Airways

Dec 8

SEA2:59 pmSeattle/Tacoma Intl

29h 26m

2 stops

PER12:25 pmPerth

Jan 14

PER8:00 amPerth

27h 55m

2 stops

SEA7:55 pmSeattle/Tacoma Intl

$1,340

Find similar

Singapore Airlines flights from State of Washington to Perth

Our best Singapore Airlines deals on State of Washington to Perth flight tickets

Singapore Airlines

Nov 6

SEA8:45 amSeattle/Tacoma Intl

35h 50m

1 stop

PER12:35 pmPerth

Nov 13

PER5:05 pmPerth

30h 05m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$1,153

Find similar

Singapore Airlines

Nov 7

SEA8:45 amSeattle/Tacoma Intl

35h 50m

1 stop

PER12:35 pmPerth

Nov 14

PER1:50 pmPerth

33h 20m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$1,244

Find similar

Singapore Airlines

Nov 6

SEA8:45 amSeattle/Tacoma Intl

23h 10m

1 stop

PER11:55 pmPerth

Nov 12

PER1:15 amPerth

21h 55m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$1,268

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 11/6

8:45 am-12:35 pm

1 stop35h 50m

Perth

Thu 11/13

5:05 pm-7:10 am

1 stop30h 05m

$1,153

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 11/5

12:10 am-8:50 am

2 stops40h 40m

Perth

Thu 11/13

11:35 pm-7:10 am

1 stop23h 35m

$1,181

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 11/6

6:25 am-6:55 am

2 stops56h 30m

Perth

Wed 11/12

12:25 am-6:11 pm

2 stops33h 46m

$1,252

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 11/6

4:30 pm-10:55 pm

2 stops38h 25m

Perth

Thu 11/13

8:30 am-11:06 pm

2 stops30h 36m

$1,267

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 10/23

4:30 pm-6:40 pm

1 stop35h 10m

Perth

Thu 11/13

10:45 pm-11:40 am

1 stop28h 55m

$1,297

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 10/23

4:30 pm-12:35 pm

2 stops29h 05m

Perth

Tue 11/11

10:55 pm-6:11 pm

2 stops35h 16m

$1,303

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 12/9

5:59 pm-1:10 pm

2 stops27h 11m

Perth

Tue 1/13

5:00 am-8:02 pm

2 stops31h 02m

$1,326

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 10/23

8:00 am-6:40 pm

2 stops43h 40m

Perth

Tue 11/11

10:45 pm-11:40 am

1 stop28h 55m

$1,353

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 12/11

8:00 pm-8:20 pm

2 stops32h 20m

Perth

Thu 1/15

10:30 pm-9:31 am

2 stops27h 01m

$1,375

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 12/11

5:50 am-8:20 pm

2 stops46h 30m

Perth

Fri 1/16

10:55 pm-2:31 pm

2 stops31h 36m

$1,380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 $1,318. If you are unable to visit Perth during the month of February, then departing from State of Washington during the month August is also very affordable. Most momondo users find prices during this month for around $1,393.

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Sunday when prices can be found for as low as $1,482. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Friday, with ticket prices averaging around $1,858.

What is the cheapest time of day to depart on your flight to Perth?

In the evening is the cheapest time of day to fly from State of Washington to Perth when you can find flight prices for as low as $1,497. Flying to Perth in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,690. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 23% 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

Direct flights	None

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 September 2025, there are 5 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
Air Canada	PriceFrom $1,158	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Singapore Airlines	PriceFrom $1,239	Free Cancellation	Rating 8.1 1,372 reviews	Search Singapore Airlines flights
Qantas Airways	PriceFrom $1,258	Free Cancellation	Rating 7.5 908 reviews	Search Qantas Airways flights
Qatar Airways	PriceFrom $1,315	Free Cancellation	Rating 7.4 3,626 reviews	Search Qatar Airways flights

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Scarborough

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.

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Cheap flights from Washington to Perth from $481

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 10/22. 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 State of Washington to Perth

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

Singapore Airlines flights from State of Washington to Perth

Our best Singapore Airlines deals on State of Washington to Perth flight tickets

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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

What is the cheapest month to fly to Perth?

What is the cheapest day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Sunday when prices can be found for as low as $1,482. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Friday, with ticket prices averaging around $1,858.

What is the cheapest time of day to depart on your flight to Perth?

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

You could potentially save up to 23% 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?

Philippine Airlines and Qatar Airways are the most popular carriers 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 26h 15m on average, while flying from Spokane to Perth is 45h 14m 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

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