Which layover airport has the shortest travel time from Seattle to Perth?

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 23h 10m.

Which layover airport offers the lowest fares from Seattle to Perth?

Flights via Singapore (SIN) offer the lowest average round-trip price of $1,291.

Which layover airport has the shortest connection time from Seattle to Perth?

Singapore (SIN) has the shortest average layover time for this route: 1h 48m.

Which airport is the most popular layover for flights between Seattle and Perth?

Hong Kong (HKG) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Perth Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Perth Airport were last updated today.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Perth Airport?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Perth Airport is 2 as of August 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Perth Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport 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.

$530 Cheap Flights from Seattle to Perth in 2026

Find the cheapest flights from Seattle to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:10 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

41h 05m1 stop Manila Ninoy Aquino Intl

8:35 am - 7:30 pmPER Perth-SEA Seattle/Tacoma Intl

25h 55m1 stop Manila Ninoy Aquino Intl

$1,184Philippine Airlines

Fri, Oct 16 - Thu, Oct 29

11:10 pm - 7:15 amSEA Seattle/Tacoma Intl-PER Perth

41h 05m1 stop Manila Ninoy Aquino Intl

8:35 am - 6:30 pmPER Perth-SEA Seattle/Tacoma Intl

25h 55m1 stop Manila Ninoy Aquino Intl

$1,184Philippine Airlines

Fri, Oct 16 - Mon, Nov 2

11:45 am - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

28h 05m1 stop Hong Kong Intl

12:25 am - 9:10 amPER Perth-SEA Seattle/Tacoma Intl

24h 45m1 stop Hong Kong Intl

$1,192Cathay Pacific

Tue, Oct 20 - Mon, Nov 9

11:45 am - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

28h 05m1 stop Hong Kong Intl

8:30 am - 9:10 amPER Perth-SEA Seattle/Tacoma Intl

40h 40m1 stop Hong Kong Intl

$1,192Cathay Pacific

Mon, Oct 19 - Tue, Nov 10

8:40 am - 12:35 pmSEA Seattle/Tacoma Intl-PER Perth

35h 55m1 stop Singapore Changi

5:05 pm - 7:05 amPER Perth-SEA Seattle/Tacoma Intl

30h 00m1 stop Singapore Changi

$1,293Singapore Airlines

Fri, Feb 19 - Tue, Feb 23

3:50 pm - 6:45 pmSEA Seattle/Tacoma Intl-PER Perth

34h 55m1 stop Doha Hamad Intl

10:45 pm - 11:40 amPER Perth-SEA Seattle/Tacoma Intl

28h 55m1 stop Doha Hamad Intl

$1,294Qatar Airways

Thu, Jan 28 - Thu, Feb 11

3:50 pm - 6:45 pmSEA Seattle/Tacoma Intl-PER Perth

34h 55m1 stop Doha Hamad Intl

10:45 pm - 11:40 amPER Perth-SEA Seattle/Tacoma Intl

28h 55m1 stop Doha Hamad Intl

$1,294Qatar Airways

Thu, Jan 28 - Fri, Feb 12

3:50 pm - 6:45 pmSEA Seattle/Tacoma Intl-PER Perth

34h 55m1 stop Doha Hamad Intl

10:45 pm - 11:40 amPER Perth-SEA Seattle/Tacoma Intl

28h 55m1 stop Doha Hamad Intl

$1,295Qatar Airways

Mon, Jan 25 - Mon, Feb 1

10:15 am - 5:10 amSEA Seattle/Tacoma Intl-PER Perth

27h 55m1 stop Singapore Changi

5:05 pm - 8:05 amPER Perth-SEA Seattle/Tacoma Intl

30h 00m1 stop Singapore Changi

$1,475Singapore Airlines

Sun, Oct 18 - Sat, Oct 31

10:15 am - 12:30 pmSEA Seattle/Tacoma Intl-PER Perth

35h 15m1 stop Singapore Changi

1:10 am - 8:45 amPER Perth-SEA Seattle/Tacoma Intl

22h 35m1 stop Singapore Changi

$1,501Singapore Airlines

Tue, Oct 6 - Mon, Oct 12

Cheap last minute flights

Enter your travel dates to find the best prices.

7:18 am - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

32h 32m2 stops San Francisco Hong Kong Intl

8:20 am - 10:20 amPER Perth-SEA Seattle/Tacoma Intl

41h 00m1 stop Hong Kong Intl

$1,358Multiple Airlines

Fri, Aug 28 - Fri, Sep 11

9:25 pm - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

42h 25m2 stops San Francisco Hong Kong Intl

8:20 am - 10:20 amPER Perth-SEA Seattle/Tacoma Intl

41h 00m1 stop Hong Kong Intl

$1,387Cathay Pacific

Fri, Aug 28 - Fri, Sep 11

7:18 am - 6:50 amSEA Seattle/Tacoma Intl-PER Perth

32h 32m2 stops San Francisco Hong Kong Intl

8:20 am - 10:59 pmPER Perth-SEA Seattle/Tacoma Intl

29h 39m2 stops Hong Kong Intl Los Angeles

$1,405Multiple Airlines

Fri, Aug 28 - Fri, Sep 11

4:25 pm - 6:35 pmSEA Seattle/Tacoma Intl-PER Perth

35h 10m1 stop Doha Hamad Intl

10:45 pm - 12:45 pmPER Perth-SEA Seattle/Tacoma Intl

29h 00m1 stop Doha Hamad Intl

$1,587Qatar Airways

Fri, Aug 28 - Fri, Sep 11

4:25 pm - 6:35 pmSEA Seattle/Tacoma Intl-PER Perth

35h 10m1 stop Doha Hamad Intl

10:45 pm - 12:45 pmPER Perth-SEA Seattle/Tacoma Intl

29h 00m1 stop Doha Hamad Intl

$1,617Qatar Airways

Fri, Aug 28 - Fri, Sep 11

12:10 am - 10:30 pmSEA Seattle/Tacoma Intl-PER Perth

31h 20m2 stops Incheon Intl Ho Chi Minh City

8:50 pm - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

34h 20m3 stops Kuala Lumpur Intl Singapore Changi Taipei City Taiwan Taoyuan Intl

$1,617Multiple Airlines

Thu, Aug 27 - Fri, Sep 11

12:10 am - 10:30 pmSEA Seattle/Tacoma Intl-PER Perth

31h 20m2 stops Incheon Intl Ho Chi Minh City

8:50 pm - 4:10 pmPER Perth-SEA Seattle/Tacoma Intl

34h 20m3 stops Kuala Lumpur Intl Singapore Changi Taipei City Taiwan Taoyuan Intl

$1,638Multiple Airlines

Thu, Aug 27 - Fri, Sep 11

2:10 am - 4:20 amSEA Seattle/Tacoma Intl-PER Perth

35h 10m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi Singapore Changi

12:25 am - 7:40 pmPER Perth-SEA Seattle/Tacoma Intl

34h 15m3 stops Ho Chi Minh City Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl

$1,883Multiple Airlines

Thu, Aug 27 - Thu, Sep 10

6:00 pm - 1:10 amSEA Seattle/Tacoma Intl-PER Perth

40h 10m3 stops Frankfurt am Main Bangkok Suvarnabhumi Kuala Lumpur Intl

2:10 am - 4:00 pmPER Perth-SEA Seattle/Tacoma Intl

52h 50m3 stops Kuala Lumpur Intl Bangkok Suvarnabhumi Frankfurt am Main

$3,220Multiple Airlines

Fri, Aug 28 - Thu, Sep 10

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Qatar Airways flights from Seattle to Perth

Our best Qatar Airways deals on Seattle to Perth flight tickets

Qatar Airways

Jan 28

SEA3:50 pmSeattle/Tacoma Intl

34h 55m

1 stop

PER6:45 pmPerth

Feb 11

PER10:45 pmPerth

28h 55m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$1,294

Qatar Airways

Jan 25

SEA3:50 pmSeattle/Tacoma Intl

34h 55m

1 stop

PER6:45 pmPerth

Feb 1

PER10:45 pmPerth

28h 55m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$1,295

Qatar Airways

Jan 31

SEA3:50 pmSeattle/Tacoma Intl

28h 30m

1 stop

PER12:20 pmPerth

Feb 12

PER10:45 pmPerth

28h 55m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$1,322

Air Canada flights from Seattle to Perth

Our best Air Canada deals on Seattle to Perth flight tickets

Air Canada

Sep 7

SEA10:40 amSeattle/Tacoma Intl

38h 30m

2 stops

PER4:10 pmPerth

Sep 29

PER11:55 pmPerth

36h 09m

3 stops

SEA9:04 pmSeattle/Tacoma Intl

$2,876

Air Canada

Sep 7

SEA10:40 amSeattle/Tacoma Intl

38h 30m

2 stops

PER4:10 pmPerth

Sep 29

PER11:55 pmPerth

36h 09m

3 stops

SEA9:04 pmSeattle/Tacoma Intl

$3,106

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Fri 10/16

11:10 pm-7:15 am

1 stop41h 05m

Perth

Thu 10/29

8:35 am-7:30 pm

1 stop25h 55m

$1,184

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Fri 10/16

11:10 pm-7:15 am

1 stop41h 05m

Perth

Mon 11/2

8:35 am-6:30 pm

1 stop25h 55m

$1,184

Quickest round-trip

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Tue 10/20

11:45 am-6:50 am

1 stop28h 05m

Perth

Mon 11/9

12:25 am-9:10 am

1 stop24h 45m

$1,192

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Mon 10/19

11:45 am-6:50 am

1 stop28h 05m

Perth

Tue 11/10

8:30 am-9:10 am

1 stop40h 40m

$1,192

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Fri 2/19

8:40 am-12:35 pm

1 stop35h 55m

Perth

Tue 2/23

5:05 pm-7:05 am

1 stop30h 00m

$1,293

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Thu 1/28

3:50 pm-6:45 pm

1 stop34h 55m

Perth

Thu 2/11

10:45 pm-11:40 am

1 stop28h 55m

$1,294

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Thu 1/28

3:50 pm-6:45 pm

1 stop34h 55m

Perth

Fri 2/12

10:45 pm-11:40 am

1 stop28h 55m

$1,294

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Mon 1/25

3:50 pm-6:45 pm

1 stop34h 55m

Perth

Mon 2/1

10:45 pm-11:40 am

1 stop28h 55m

$1,295

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Sun 10/18

10:15 am-5:10 am

1 stop27h 55m

Perth

Sat 10/31

5:05 pm-8:05 am

1 stop30h 00m

$1,475

SeattlePerth

SEA Seattle/Tacoma Intl - PER Perth

SEAPER

Seattle/Tacoma Intl

Tue 10/6

10:15 am-12:30 pm

1 stop35h 15m

Perth

Mon 10/12

1:10 am-8:45 am

1 stop22h 35m

$1,501

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 Seattle 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

Layovers

What is the cheapest month to fly to Perth?

In general, July is the cheapest month to fly from Seattle to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Perth during the month of July, then departing from Seattle during the month June is also very affordable. Most momondo users find prices during this month for around $1,231.

Can stopping save me money on Seattle to Perth flights?

You could potentially save up to 4% on your flight if you consider stops on a Seattle to Perth flight.

How have Seattle to Perth flight prices changed over time?

When to book flights from Seattle to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Perth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Perth (SEA to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Perth

Best Price Found	$530
Fastest flight time	29h 20m
Direct flights	None

The best one-way flight to Perth from Seattle in the past 72 hours is $530. The best round-trip flight deal from Seattle to Perth found on momondo in the last 72 hours is $1,184.

The fastest flight from Seattle to Perth takes 29h 20m

There are no direct flights from Seattle to Perth. There are no popular flight routes from Seattle to Perth.

Search flight deals

Frequently asked questions about flying from Seattle to Perth

How far is Seattle/Tacoma Intl to Perth by plane?
There are 9239.1 mi between Seattle/Tacoma Intl and Perth. 29h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Perth Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Perth Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Perth Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Perth Airport is 2 as of August 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Perth Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport 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.
What is the most popular airline from Seattle to Perth?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Perth is Singapore Airlines (76% of total bookings). The next most popular airline is Qatar Airways (24%).

Best airlines flying from Seattle to Perth

Compare and see reviews for airlines that fly from Seattle to Perth with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $1,232	Free Cancellation	Rating 8.2 1,588 reviews		Search Singapore Airlines flights
Qatar Airways	PriceFrom $1,240	Free Cancellation	Rating 7.4 3,728 reviews		Search Qatar Airways flights

Rottnest Island

Fremantle

Mandurah

Scarborough

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Perth. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Seattle to Perth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Perth from Seattle.

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

Price alerts on flights to Perth from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.