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Cheap flights from Seattle to Perth from $566

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Perth departing on 2/25. 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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Find the cheapest flights from Seattle to Perth

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Perth that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Perth.

Cheap last minute flights

Planning a quick getaway from Seattle to Perth? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Perth, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Perth

Find recent round-trip train or bus tickets from Seattle to Perth.

All round-trip flight deals to Perth

The cheapest plane tickets to Perth found on KAYAK recently.
7:00 pm - 1:35 amSEA-PER
38h 35m2 stops
3:35 am - 5:05 pmPER-SEA
53h 30m2 stops
$1,254
Find Deal
Tue, Jan 21 - Mon, Jan 27
4:05 pm - 6:45 pmSEA-PER
34h 40m1 stop
10:45 pm - 12:40 pmPER-SEA
28h 55m1 stop
$1,268Qatar Airways
Find Deal
Mon, Mar 3 - Mon, Mar 10
8:40 am - 7:35 pmSEA-PER
42h 55m1 stop
12:55 am - 9:20 pmPER-SEA
36h 25m2 stops
$1,269
Find Deal
Sun, Feb 2 - Sat, Feb 8
5:59 pm - 10:45 pmSEA-PER
36h 46m2 stops
11:05 am - 11:54 amPER-SEA
39h 49m2 stops
$1,319Cathay Pacific
Find Deal
Mon, Mar 3 - Mon, Mar 10
3:58 pm - 10:45 pmSEA-PER
38h 47m2 stops
12:15 am - 8:15 amPER-SEA
47h 00m2 stops
$1,352Cathay Pacific
Find Deal
Mon, Mar 3 - Sun, Mar 9
9:31 pm - 5:25 amSEA-PER
39h 54m2 stops
1:10 am - 11:59 pmPER-SEA
37h 49m3 stops
$1,535Singapore Airlines
Find Deal
Mon, Mar 3 - Sun, Mar 9
9:31 pm - 5:25 amSEA-PER
39h 54m2 stops
5:30 pm - 10:00 amPER-SEA
55h 30m3 stops
$1,594Singapore Airlines
Find Deal
Mon, Mar 3 - Mon, Mar 10
9:20 am - 2:45 pmSEA-PER
37h 25m3 stops
11:45 pm - 9:20 pmPER-SEA
37h 35m3 stops
$1,740United Airlines
Find Deal
Sun, Feb 2 - Sun, Feb 9
9:20 am - 3:55 pmSEA-PER
38h 35m2 stops
11:45 pm - 9:20 pmPER-SEA
37h 35m3 stops
$1,748United Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
7:05 pm - 11:20 amSEA-PER
48h 15m2 stops
10:55 pm - 2:30 pmPER-SEA
31h 35m2 stops
$1,784Air Canada
Find Deal
Mon, Jan 13 - Tue, Feb 4
12:45 pm - 4:35 pmSEA-PER
35h 50m2 stops
Tue, Feb 25
12:45 pm - 8:15 pmSEA-PER
39h 30m3 stops
Tue, Feb 25
12:10 am - 4:35 pmSEA-PER
48h 25m2 stops
Mon, Feb 24
3:45 pm - 10:45 amSEA-PER
51h 00m3 stops
Sat, Feb 1
8:40 am - 12:35 pmSEA-PER
35h 55m1 stop
$770Singapore Airlines
Find Deal
Tue, Feb 25
2:55 pm - 12:55 pmSEA-PER
31h 00m2 stops
$829Air Canada
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Fri, May 23
11:30 pm - 7:25 amSEA-PER
40h 55m1 stop
$869Philippine Airlines
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Fri, May 23
11:30 pm - 7:25 amSEA-PER
40h 55m1 stop
$872Philippine Airlines
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Fri, May 23
4:05 pm - 6:45 pmSEA-PER
34h 40m1 stop
$971Qatar Airways
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Sun, Feb 2
4:05 pm - 6:45 pmSEA-PER
34h 40m1 stop
$994Qatar Airways
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Sat, Feb 1
4:05 pm - 6:45 pmSEA-PER
34h 40m1 stop
12:15 am - 9:55 amPER-SEA
25h 40m2 stops
$2,608
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Sun, Dec 22 - Fri, Jan 10
4:05 pm - 6:45 pmSEA-PER
34h 40m1 stop
7:25 am - 6:10 pmPER-SEA
26h 45m2 stops
$2,717
Find Deal
Sun, Dec 22 - Sat, Jan 11
4:05 pm - 6:45 pmSEA-PER
34h 40m1 stop
1:50 am - 6:15 pmPER-SEA
32h 25m3 stops
$2,793
Find Deal
Sun, Dec 22 - Fri, Jan 10
4:05 pm - 6:45 pmSEA-PER
34h 40m1 stop
11:10 pm - 6:10 pmPER-SEA
35h 00m3 stops
$2,796
Find Deal
Sun, Dec 22 - Sat, Jan 11
5:45 am - 7:55 pmSEA-PER
46h 10m2 stops
1:50 am - 6:15 pmPER-SEA
32h 25m3 stops
$3,162
Find Deal
Sun, Dec 22 - Fri, Jan 10
4:05 pm - 6:45 pmSEA-PER
34h 40m1 stop
10:45 pm - 11:40 amPER-SEA
28h 55m1 stop
$4,852Qatar Airways
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Fri, Dec 20 - Thu, Jan 2
10:54 pm - 6:45 pmSEA-PER
51h 51m2 stops
10:45 pm - 11:40 amPER-SEA
28h 55m1 stop
$4,947Qatar Airways
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Fri, Dec 20 - Thu, Jan 2
6:21 am - 10:10 amSEA-PER
35h 49m2 stops
3:20 pm - 6:52 pmPER-SEA
43h 32m2 stops
$4,975Qantas Airways
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Fri, Dec 20 - Thu, Jan 2
7:15 pm - 11:55 pmSEA-PER
36h 40m2 stops
10:55 pm - 9:30 pmPER-SEA
38h 35m3 stops
$6,666Air Canada
Find Deal
Fri, Dec 20 - Thu, Jan 2
8:40 am - 2:45 pmSEA-PER
38h 05m1 stop
1:10 am - 12:53 pmPER-SEA
27h 43m2 stops
$10,461Singapore Airlines
Find Deal
Sat, Dec 21 - Thu, Jan 2

Qatar Airways flights from Seattle to Perth

Our best Qatar Airways deals on Seattle to Perth flight tickets
Qatar Airways
Mar 3
SEA4:05 pmSeattle/Tacoma Intl
34h 40m
1 stop
PER6:45 pmPerth
Mar 10
PER10:45 pmPerth
28h 55m
1 stop
SEA12:40 pmSeattle/Tacoma Intl
Qatar Airways
Mar 3
SEA8:00 amSeattle/Tacoma Intl
42h 45m
2 stops
PER6:45 pmPerth
Mar 10
PER10:45 pmPerth
28h 55m
1 stop
SEA12:40 pmSeattle/Tacoma Intl
Qatar Airways
Feb 2
SEA4:05 pmSeattle/Tacoma Intl
34h 40m
1 stop
PER6:45 pmPerth
Feb 9
PER10:45 pmPerth
28h 55m
1 stop
SEA11:40 amSeattle/Tacoma Intl

Cathay Pacific flights from Seattle to Perth

Our best Cathay Pacific deals on Seattle to Perth flight tickets
Cathay Pacific
Mar 3
SEA5:59 pmSeattle/Tacoma Intl
36h 46m
2 stops
PER10:45 pmPerth
Mar 10
PER11:05 amPerth
39h 49m
2 stops
SEA11:54 amSeattle/Tacoma Intl
Cathay Pacific
Mar 3
SEA3:58 pmSeattle/Tacoma Intl
38h 47m
2 stops
PER10:45 pmPerth
Mar 9
PER12:15 amPerth
47h 00m
2 stops
SEA8:15 amSeattle/Tacoma Intl
Cathay Pacific
Jan 8
SEA5:55 pmSeattle/Tacoma Intl
36h 50m
2 stops
PER10:45 pmPerth
Mar 19
PER11:05 amPerth
38h 55m
2 stops
SEA11:00 amSeattle/Tacoma Intl

See travel insights to Perth from

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

What is the cheapest month to fly to Perth?

In general, February 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 $1,377. If you are unable to visit Perth during the month of February, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around $1,428.

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 Seattle 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.

How far in advance should I book a flight to Perth?

We recommend purchasing flights from Seattle to Perth 45 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Perth for $1,635. In the past 72 hours, momondo users found flights from Seattle to Perth for as low as $1,290.

Can stopping save me money on Seattle to Perth flights?

You could potentially save up to 26% on your flight if you consider stops on a Seattle to Perth flight.

How have Seattle to Perth flight prices changed over time?

As of December 2024, prices for Seattle to Perth flights are approximately 153% more expensive when compared to flights at the same time last year.

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

$566

Fastest flight time

26h 40m

Direct flights

None

Airports in Perth

1 airport
The best one-way flight to Perth from Seattle in the past 72 hours is $566. The best round-trip flight deal from Seattle to Perth found on momondo in the last 72 hours is $1,254.
The fastest flight from Seattle to Perth takes 26h 40m
There are no direct flights from Seattle to Perth. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Perth Airport.
There is 1 airport near Perth: Perth (PER)

  • How far is Seattle/Tacoma Intl to Perth by plane?

    There are 9239.1 mi between Seattle/Tacoma Intl and Perth. 26h 40m 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?

  • 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?


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
Air CanadaPriceFrom $1,165Free CancellationRating
7.0
8,391 reviews
Search Air Canada flights
Singapore AirlinesPriceFrom $1,199Free CancellationRating
8.1
1,331 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $1,273Free CancellationRating
7.5
809 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,325Free CancellationRating
7.5
3,792 reviews
Search Qatar Airways flights

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.


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