Cheap flights from Seattle (SEA) to Perth (PER)

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The best prices from Seattle/Tacoma Intl to Perth are usually found in May or February, booked 60 days in advance, depart on a Tuesday or Sunday and return on a Friday

How to find the cheapest flight from
Seattle (SEA) to Perth (PER)

All the information you need to plan the best SEA to PER flight in 2022: compare Seattle to Perth flight prices with the expected peak season, weather and rainfall in Perth.
SEA - PER
Price
$1,035 - $1,730
PER
Temperature
53.6 - 75.2 °F
PER
Precipitation
0 - 6.7 inches

Popular in

January

High demand for flights, 26% potential price rise

Cheapest in

May

Best time to find cheap flights, 20% potential price drop

Average price

$1,730

Average for round-trip flights in January 2022

Round-trip from

$1,035

From Seattle/Tacoma Intl to Perth

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Seattle to Perth?

Travelers have found it’s best to book a flight 61 days in advance to save up to 28% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Perth 1-2 weeks in advance for as low as $1,559, or $1,561 for flights within the next 24 hours.

What is the cheapest day to fly round-trip from Seattle to Perth?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 33% on your flight compared to booking on days when demand is much higher.

What is the cheapest month to fly from Seattle to Perth?

May is one of the best times of the year to fly to Perth from Seattle. Prices for May average $1,287 per person but you can even find prices for as low as $1,031. The most expensive prices can be found in the month of January. Opting for a May flight can save you 34% on your journey compared to booking in May

When is the cheapest time to fly from Seattle to Perth (SEA - PER)?

When flying from Seattle to Perth, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 16% versus a flight at noon.

Cheap flights from Seattle to Perth in January, February 2022

The best prices found for SEA to PER flights for January, February
11 Feb - 18 Feb
$1,132pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
   
2 STOPS
PER
Perth
PER
Perth
Singapore Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
11 Feb - 18 Feb
$1,142pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
 
1 STOP
PER
Perth
PER
Perth
Singapore Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
10 Feb - 17 Feb
$1,187pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
   
2 STOPS
PER
Perth
PER
Perth
Singapore Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Perth 2022 flight deals

Cheap flights to Perth from Seattle found for this year
1 Mar - 31 Mar
$1,124pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
   
2 STOPS
PER
Perth
PER
Perth
Singapore Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
11 Feb - 18 Feb
$1,132pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
   
2 STOPS
PER
Perth
PER
Perth
Singapore Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
11 Feb - 18 Feb
$1,142pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
 
1 STOP
PER
Perth
PER
Perth
Singapore Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Perth

Late deals on round-trip flights to Perth from Seattle, departing today and this week
22 Jan - 29 Jan
$2,721pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
PER
Perth
PER
Perth
Singapore Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
22 Jan - 29 Jan
$2,954pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
PER
Perth
PER
Perth
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
22 Jan - 29 Jan
$4,100pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
PER
Perth
PER
Perth
Singapore Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Perth</span> flights.

Flight FAQs

From Seattle to Perth

Which airlines flying from Seattle/Tacoma Intl to Perth have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Singapore Airlines, Qantas Airways, and Air New Zealand flying from Seattle/Tacoma Intl to Perth have implemented new flexible cancellation policies.

Can I find flights from Seattle to Perth for under $1,200 on Cheapflights?

Yes, there are multiple flights from Seattle to Perth for under $1,200. The cheapest flight booked recently is on Singapore Airlines for just $1,124, but on average you can expect to pay $1,222.

Are there last-minute flights available from Seattle to Perth for under $2,800?

There are currently 3+ open flights from Seattle to Perth within the next 7 days for less than $2,800.

How popular is this Seattle to Perth flight route?

The Seattle/Tacoma Intl to Perth flight path was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline to fly from Seattle to Perth round-trip?

Currently priced at $1,124, Singapore Airlines will fly you from Seattle to Perth and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Users have found that Singapore Airlines is 12% cheaper than the other options available to this destination.

What are the most popular airlines that fly from Seattle to Perth?

Air Canada, Cathay Pacific and Emirates are the most popular airlines when flying from Seattle to Perth.

What are the cheapest flights from Seattle to Perth?

Looking for the cheapest flight from Seattle to Perth? While on average our users pay $1,850, our data indicates the cheapest price to be $662. The most popular route (Seattle/Tacoma Intl - Perth), is priced around $1,124.

COVID Restrictions

View COVID Travel Restrictions for Perth, Australia

Do I need a COVID test to fly to Perth from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Perth

Most visitors from Seattle/Tacoma Intl will not be allowed to enter Perth.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Perth.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Perth.

Documents
Travel Authorization Form - Travelers who are not in an exempt category may request an individual exemption to Australia's travel restrictions using this form.


Do I need a test to fly back to Seattle from Perth?

Returning to Seattle/Tacoma Intl from Perth

COVID-19 testing requirements
Visitors from Perth must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Perth are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Perth, Australia

Destination information for Perth

Things to know before you go - useful duration and weather info for your trip from Seattle to Perth.
Today's exchange rate
$1 = $1.39
Average temperature for January in Perth
89.6 °F
Avg rainfall for January in Perth
0.5 ″

Airports servicing Seattle

Airports servicing Perth

Top 6 airlines flying from Seattle/Tacoma Intl to Perth

The chart below displays the airlines Cheapflights users traveling from Seattle to Perth choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Qantas Airways
$832 $1,263 No cancel fee 74%
Singapore Airlines
$904 $1,283 No cancel fee 81%
Air New Zealand
$937 $2,235 No cancel fee 78%
Virgin Australia
$1,066 $1,361 No cancel fee 80%
Air Canada
$1,141 $1,279 No cancel fee 67%
Emirates
$1,381 $3,408 No cancel fee 75%