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Cheap flights from Seattle to Perth from $1,433

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 4/2. 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 return flights

These are some of the best return 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 stopovers.

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.
08:40 - 20:15SEA-PER
43h 35m1 stop
23:45 - 21:20PER-SEA
37h 35m2 stops
$1,895
Find Deal
Tue, 4 Feb - Tue, 11 Feb
23:30 - 01:35SEA-PER
34h 05m2 stops
07:05 - 17:40PER-SEA
26h 35m2 stops
$1,930
Find Deal
Tue, 4 Feb - Tue, 11 Feb
23:30 - 01:35SEA-PER
34h 05m2 stops
07:05 - 17:40PER-SEA
26h 35m2 stops
$1,940
Find Deal
Tue, 4 Feb - Tue, 11 Feb
16:05 - 18:45SEA-PER
34h 40m1 stop
22:45 - 12:40PER-SEA
28h 55m1 stop
$2,028Qatar Airways
Find Deal
Mon, 3 Mar - Mon, 10 Mar
08:00 - 18:45SEA-PER
42h 45m2 stops
22:45 - 12:40PER-SEA
28h 55m1 stop
$2,068Qatar Airways
Find Deal
Mon, 3 Mar - Mon, 10 Mar
17:59 - 22:45SEA-PER
36h 46m2 stops
11:05 - 10:00PER-SEA
37h 55m2 stops
$2,108Cathay Pacific
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Mon, 3 Mar - Mon, 10 Mar
17:59 - 22:45SEA-PER
36h 46m2 stops
00:15 - 08:15PER-SEA
47h 00m2 stops
$2,160Cathay Pacific
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Mon, 3 Mar - Sun, 9 Mar
21:31 - 05:25SEA-PER
39h 54m2 stops
01:10 - 23:59PER-SEA
37h 49m3 stops
$2,455Singapore Airlines
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Mon, 3 Mar - Sun, 9 Mar
17:59 - 12:35SEA-PER
50h 36m3 stops
17:30 - 13:53PER-SEA
35h 23m2 stops
$2,469Singapore Airlines
Find Deal
Mon, 3 Mar - Mon, 10 Mar
10:35 - 14:30SEA-PER
35h 55m2 stops
22:45 - 14:30PER-SEA
31h 45m2 stops
$2,630Air Canada
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Tue, 4 Feb - Tue, 11 Feb
09:20 - 14:45SEA-PER
37h 25m3 stops
$1,433United Airlines
Find Deal
Tue, 4 Feb
08:40 - 05:25SEA-PER
28h 45m1 stop
$3,097Singapore Airlines
Find Deal
Tue, 4 Feb

Qatar Airways flights from Seattle to Perth

Our best Qatar Airways deals on Seattle to Perth flight tickets
Qatar Airways
3 Mar
SEA16:05Seattle/Tacoma Intl
34h 40m
1 stop
PER18:45Perth
10 Mar
PER22:45Perth
28h 55m
1 stop
SEA12:40Seattle/Tacoma Intl
Qatar Airways
3 Mar
SEA08:00Seattle/Tacoma Intl
42h 45m
2 stops
PER18:45Perth
10 Mar
PER22:45Perth
28h 55m
1 stop
SEA12:40Seattle/Tacoma Intl
Qatar Airways
4 Feb
SEA16:05Seattle/Tacoma Intl
34h 40m
1 stop
PER18:45Perth
11 Feb
PER22:45Perth
28h 55m
1 stop
SEA11:40Seattle/Tacoma Intl

Cathay Pacific flights from Seattle to Perth

Our best Cathay Pacific deals on Seattle to Perth flight tickets
Cathay Pacific
3 Mar
SEA17:59Seattle/Tacoma Intl
36h 46m
2 stops
PER22:45Perth
10 Mar
PER11:05Perth
37h 55m
2 stops
SEA10:00Seattle/Tacoma Intl
Cathay Pacific
3 Mar
SEA17:59Seattle/Tacoma Intl
36h 46m
2 stops
PER22:45Perth
9 Mar
PER00:15Perth
47h 00m
2 stops
SEA08:15Seattle/Tacoma Intl
Cathay Pacific
4 Feb
SEA22:51Seattle/Tacoma Intl
42h 44m
2 stops
PER09:35Perth
10 Feb
PER00:15Perth
46h 58m
2 stops
SEA07:13Seattle/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?

The month of February is, on average, the cheapest month to fly to Perth from Seattle, with most prices found around $2,202. If you’re not able to fly to Perth in February, then October is your next best option. Flight prices from Seattle to Perth during October average around $2,283.

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

At midday is the cheapest time of day to fly from Seattle to Perth when you can find flight prices for as low as $0. Flying to Perth at midday is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of $3,142.

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

In general, most travellers find the cheapest time to book a flight to Perth is about 45 days prior to their departure date, when tickets on average are $2,615. In the past 72 hours, momondo users found flights from Seattle to Perth for as low as $3,298.

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 return 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

$1,433

Fastest flight time

28h 45m

Direct flights

None

Airports in Perth

1 airport
The best one-way flight to Perth from Seattle in the past 72 hours is $1,433. The best return flight deal from Seattle to Perth found on momondo in the last 72 hours is $1,895.
The fastest flight from Seattle to Perth takes 28h 45m
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?

    A flight from Seattle/Tacoma Intl to Perth will travel around 14868.9 km. Flights usually cover this in 29h 00m, depending on flying conditions and air traffic around both airports.

  • 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 refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 necessary travel and health documents for your Perth Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Why use momondo?

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

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

Yes. momondo enables you to select and highlight flights to Perth from Seattle with this policy.

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

momondo helps you find the best flight between Seattle 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 Seattle to Perth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Perth, momondo offers a useful price alert feature which will track prices for flights to Perth from Seattle and alert you when they change.


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