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

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Seattle 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 2021: 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
64.4 - 89.6 °F
PER
Precipitation
0.2 - 5.6 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

Round-trip from

$1,035

From Seattle to Perth

One-way from

$674

One-way flight from Seattle to Perth

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Perth?

Users have found that flying from Seattle to Perth on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Due to multiple factors, expect to potentially pay more when booking in September. For low rates, June can be a great choice for travel to Perth. Flights to Perth from Seattle in June are about $1,237 on average during June, but can be found for as low as $640.

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 July, August 2021

The best prices found for SEA to PER flights for July, August
23 Aug - 24 Jan
$18,186pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
PER
Perth
PER
Perth
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
23 Aug - 27 Jan
$18,202pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
PER
Perth
PER
Perth
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
23 Aug - 28 Jan
$18,214pp
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
PER
Perth
PER
Perth
American Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle to Perth 2021 flight deals

Cheap flights to Perth from Seattle found for this year
8 Nov - 23 Nov
$1,763pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
PER
Perth
PER
Perth
Multiple Airlines
     
3 STOPS
SEA
Seattle/Tacoma Intl
8 Nov - 23 Nov
$1,861pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
PER
Perth
PER
Perth
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
8 Nov - 23 Nov
$2,290pp
SEA
Seattle/Tacoma Intl
ANA
   
2 STOPS
PER
Perth
PER
Perth
ANA
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Perth from Seattle

The cheapest one-way flights from Seattle to Perth
6:00 am - 2:00 pm
Multiple Airlines
2 Stops
41h 00m
SEA - PER
Multiple Airlines
$674
Kiwi.com
3:45 am - 1:00 pm
Multiple Airlines
2 Stops
41h 15m
SEA - PER
Multiple Airlines
$687
Kiwi.com
3:45 am - 1:00 pm
Multiple Airlines
2 Stops
41h 15m
SEA - PER
Multiple Airlines
$699
Kiwi.com

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

Are flight prices decreasing from Seattle to Perth due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and Perth for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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 $1,300 on Cheapflights?

Yes, there are multiple flights from Seattle to Perth for under $1,300. The cheapest flight booked recently is on Multiple Airlines for just $1,213, but on average you can expect to pay $1,788.

Are there nonstop flights from Seattle to Perth for under $1,200 on Cheapflights?

There are no nonstop flights from Seattle to Perth, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

How popular is this flight route?

Within the past month, 11 users have taken a look at flights from Seattle/Tacoma Intl to Perth.

Does it rain more in Seattle or Perth?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Seattle is roughly less than Perth. You can assume this to be the case over the next 9 days.

Is Seattle weather warmer or cooler than Perth?

We forecast the temperature to be around the 90 °F's in January, on average. The temperature in Perth is generally hotter than in Seattle. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Seattle to Perth?

A quick flight from Seattle to Perth can take about 28h 25m. Singapore Airlines provides one of the quickest options available for as low as $2,762. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Seattle to Perth round-trip?

Currently priced at $1,602, Malaysia Airlines will fly you from Seattle to Perth and back. In addition to Malaysia Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from ANA and Emirates - these airlines can fly you to your destination from $2,211 and $2,266, respectively.

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 72 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 = $1.36
Average temperature for July in Perth
64.4 °F
Avg rainfall for July in Perth
5.6 ″

Airports servicing Seattle

Airports servicing Perth

Top 6 airlines flying from Seattle 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%
Air Canada
$1,141 $1,279 No cancel fee 67%
Singapore Airlines
$904 $1,283 No cancel fee 81%
Virgin Australia
$1,066 $1,361 No cancel fee 80%
Air New Zealand
$937 $2,235 No cancel fee 78%
Emirates
$1,381 $3,408 No cancel fee 75%