What airlines fly to Perth?

Singapore Airlines, Qantas Airways and Qatar Airways are the top three most popular airlines that fly to Perth from Seattle according to our data. Singapore Airlines is the first choice among our users, with 62% 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.

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 3 as of April 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.

$557 Cheap Flights from Seattle to Perth in 2026

Q: What is the typical price of a round-trip flight between Seattle and Perth?

Prices are currently low for flights on this route. Typical prices usually range from $1,592 to $1,337. The lowest price recently found on this route was $1,160.

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 Seattle to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:55 am - 4:20 am

SEA

PER

35h 25m

2 stops

5:35 am - 7:45 pm

PER

SEA

29h 10m

2 stops

$1,160Multiple Airlines

Mon, Aug 31 - Tue, Sep 15

4:25 pm - 6:35 pm

SEA

PER

35h 10m

1 stop

10:45 pm - 12:25 pm

PER

SEA

28h 40m

1 stop

$1,227Qatar Airways

Mon, Aug 17 - Mon, Sep 14

4:25 pm - 6:35 pm

SEA

PER

35h 10m

1 stop

10:45 pm - 12:25 pm

PER

SEA

28h 40m

1 stop

$1,236Qatar Airways

Mon, Aug 17 - Mon, Sep 14

4:25 pm - 12:15 pm

SEA

PER

28h 50m

1 stop

10:45 pm - 12:25 pm

PER

SEA

28h 40m

1 stop

$1,245Qatar Airways

Wed, Jun 3 - Thu, Jun 25

4:25 pm - 6:35 pm

SEA

PER

35h 10m

1 stop

10:45 pm - 9:43 pm

PER

SEA

37h 58m

2 stops

$1,248Multiple Airlines

Mon, Aug 17 - Mon, Sep 14

4:25 pm - 6:35 pm

SEA

PER

35h 10m

1 stop

10:45 pm - 9:43 pm

PER

SEA

37h 58m

2 stops

$1,249Multiple Airlines

Mon, Aug 17 - Mon, Sep 14

8:35 am - 6:35 pm

SEA

PER

43h 00m

2 stops

10:45 pm - 12:25 pm

PER

SEA

28h 40m

1 stop

$1,260Qatar Airways

Tue, Sep 1 - Tue, Sep 15

4:25 pm - 12:15 pm

SEA

PER

28h 50m

1 stop

10:45 pm - 12:25 pm

PER

SEA

28h 40m

1 stop

$1,263Qatar Airways

Mon, Jun 8 - Wed, Jul 8

4:25 pm - 6:35 pm

SEA

PER

35h 10m

1 stop

10:45 pm - 12:25 pm

PER

SEA

28h 40m

1 stop

$1,276Qatar Airways

Thu, Sep 3 - Sat, Oct 3

11:42 am - 6:35 pm

SEA

PER

39h 53m

2 stops

10:45 pm - 5:39 pm

PER

SEA

33h 54m

2 stops

$1,280Qatar Airways

Tue, Aug 18 - Mon, Sep 14

Qatar Airways flights from Seattle to Perth

Our best Qatar Airways deals on Seattle to Perth flight tickets

Qatar Airways

Aug 17

SEA4:25 pmSeattle/Tacoma Intl

35h 10m

1 stop

PER6:35 pmPerth

Sep 14

PER10:45 pmPerth

28h 40m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$1,227

Qatar Airways

Aug 17

SEA4:25 pmSeattle/Tacoma Intl

35h 10m

1 stop

PER6:35 pmPerth

Sep 14

PER10:45 pmPerth

28h 40m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$1,236

Qatar Airways

Jun 3

SEA4:25 pmSeattle/Tacoma Intl

28h 50m

1 stop

PER12:15 pmPerth

Jun 25

PER10:45 pmPerth

28h 40m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$1,245

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 8/31

1:55 am-4:20 am

2 stops35h 25m

Perth

Tue 9/15

5:35 am-7:45 pm

2 stops29h 10m

$1,160

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 8/17

4:25 pm-6:35 pm

1 stop35h 10m

Perth

Mon 9/14

10:45 pm-12:25 pm

1 stop28h 40m

$1,227

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 8/17

4:25 pm-6:35 pm

1 stop35h 10m

Perth

Mon 9/14

10:45 pm-12:25 pm

1 stop28h 40m

$1,236

Quickest round-trip

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 6/3

4:25 pm-12:15 pm

1 stop28h 50m

Perth

Thu 6/25

10:45 pm-12:25 pm

1 stop28h 40m

$1,245

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 8/17

4:25 pm-6:35 pm

1 stop35h 10m

Perth

Mon 9/14

10:45 pm-9:43 pm

2 stops37h 58m

$1,248

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 8/17

4:25 pm-6:35 pm

1 stop35h 10m

Perth

Mon 9/14

10:45 pm-9:43 pm

2 stops37h 58m

$1,249

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 9/1

8:35 am-6:35 pm

2 stops43h 00m

Perth

Tue 9/15

10:45 pm-12:25 pm

1 stop28h 40m

$1,260

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 6/8

4:25 pm-12:15 pm

1 stop28h 50m

Perth

Wed 7/8

10:45 pm-12:25 pm

1 stop28h 40m

$1,263

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 9/3

4:25 pm-6:35 pm

1 stop35h 10m

Perth

Sat 10/3

10:45 pm-12:25 pm

1 stop28h 40m

$1,276

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 8/18

11:42 am-6:35 pm

2 stops39h 53m

Perth

Mon 9/14

10:45 pm-5:39 pm

2 stops33h 54m

$1,280

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

Airlines

What is the typical price of a round-trip flight between Seattle and Perth?

What is the cheapest month to fly to Perth?

In general, August 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 $1,232. If you are unable to visit Perth during the month of August, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around $1,292.

Can stopping save me money on Seattle to Perth flights?

You could potentially save up to 54% 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

Fastest flight time	28h 35m
Direct flights	None

The fastest flight from Seattle to Perth takes 28h 35m

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. 28h 35m 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 3 as of April 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 (62% of total bookings). The next most popular airlines are Qantas Airways (24%) and Qatar Airways (13%).

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 $1,179	Free Cancellation	Rating 8.2 1,495 reviews	Search Singapore Airlines flights
Qantas Airways	PriceFrom $1,258	Free Cancellation	Rating 7.5 1,019 reviews	Search Qantas Airways flights
Qatar Airways	PriceFrom $1,325	Free Cancellation	Rating 7.4 3,728 reviews	Search Qatar Airways flights

Mandurah

Fremantle

Rottnest Island

Scarborough

Waikiki

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.