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Cheap flights from Seattle to Perth from $899

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PER
24 Dec — 31 Dec1
1 adult

Cheap flight deals from Seattle to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 December 2024.

Round-trip from

$1,991

One-way from

$899

Popular in

June

Cheapest in

February

Average price

$3,156
21/1-27/1
  • 21/1-27/1
  • 4 total stops
  • 92h 05m total
  • Seattle to Perth
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25/2
  • 25/2
  • 2 total stops
  • 35h 50m total
  • Seattle to Perth
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High demand for flights, 13% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Seattle to Perth

Cheapest flights from Seattle to Perth
Explore the most affordable flight options available from Seattle to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 December 2024.

Tue 31/1200:10SEA - PER
2 stops57h 15mMultiple Airlines
Fri 28/322:45PER - SEA
1 stop28h 55mMultiple Airlines
Deal found 17/12$3,594
Wed 18/1213:56SEA - PER
2 stops36h 49mQatar Airways
Wed 25/1222:45PER - SEA
1 stop28h 55mQatar Airways
Deal found 17/12$4,307
Wed 18/1222:54SEA - PER
2 stops55h 51mCathay Pacific
Tue 24/1200:15PER - SEA
2 stops49h 49mCathay Pacific
Deal found 17/12$4,953
Sat 21/1208:40SEA - PER
1 stop28h 45mSingapore Airlines
Fri 3/117:30PER - SEA
1 stop29h 40mSingapore Airlines
Deal found 17/12$6,669
Sat 21/1213:23SEA - PER
3 stops34h 52mAlaska Airlines
Fri 3/105:25PER - SEA
2 stops34h 34mAlaska Airlines
Deal found 17/12$10,628
Thu 19/1218:13SEA - PER
2 stops30h 42mUnited Airlines
Sat 4/115:20PER - SEA
2 stops38h 55mUnited Airlines
Deal found 17/12$16,275

Find flights from Seattle to Perth within your budget

Customise your flight search to find flights from Seattle to Perth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 21/1

19:00-01:35

2 stops38h 35m

Perth

Mon 27/1

03:35-17:05

2 stops53h 30m

$1,991

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 3/3

16:05-18:45

1 stop34h 40m

Perth

Mon 10/3

22:45-12:40

1 stop28h 55m

$2,013

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 3/3

17:59-22:45

2 stops36h 46m

Perth

Mon 10/3

11:05-11:54

2 stops39h 49m

$2,094

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 14/4

21:35-23:55

2 stops59h 20m

Perth

Sun 27/4

01:10-16:55

2 stops30h 45m

$2,327

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 27/1

09:20-14:45

3 stops37h 25m

Perth

Sun 9/2

23:45-21:20

3 stops37h 35m

$2,762

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 13/1

19:05-11:20

2 stops48h 15m

Perth

Tue 4/2

22:55-14:30

2 stops31h 35m

$2,832

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 25/2

12:45-16:35

2 stops35h 50m

$899

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 25/2

08:40-12:35

1 stop35h 55m

$1,222

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 23/5

14:55-12:55

2 stops31h 00m

$1,316

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 23/5

23:30-07:25

1 stop40h 55m

$1,380

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 13 results
1
2

Best time to book a flight from Seattle to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Perth

Get recent, data-driven insights about flights from Seattle to Perth including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Perth?

Use this chart to determine the optimal time to book a return flight from Seattle to Perth. Price data was last updated on 13 December 2024.

The best time to book flights from Seattle to Perth is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Perth?

Currently, July is the cheapest month in which you can book a flight from Seattle to Perth (average of $302). Flying from Seattle to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Perth by month

Plan your trip to Perth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm.

Temperature in Perth by month

Plan your trip to Perth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Perth, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated 19 December 2024.
Emirates
8.1
Very Good
3,412 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Emirates
8.1
Very Good
3,412 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Singapore Airlines
8.1
Very Good
1,331 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Cathay Pacific
7.5
Good
839 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Qatar Airways
7.5
Good
3,792 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

United Airlines
7.4
Good
9,048 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Our cheapest airline available from Seattle to Perth is Qatar Airways. Our recent data shows that you can find tickets from as low as $2,013 on this airline. Additional options worth looking into are Cathay Pacific and Singapore Airlines, starting at $2,094 and $2,327 round-trip. You may be able to fly from Seattle to Perth for 22% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to Perth one-way?

    $1,222 is the cheapest one-way deal found within the past few days, from Singapore Airlines. You may also be able to find cheap deals on Air Canada and Philippine Airlines, with prices starting from $1,316 and $1,380, respectively.

  • Can I find deals for flights from Seattle to Perth that include hotel bookings?

    Yes. In addition to deals on Seattle to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Perth.

  • Can I find deals for business class flights from Seattle to Perth?

    Yes. Cheapflights offers flight deals from Seattle to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Perth?

    Currently, July is the cheapest month in which you can book a flight from Seattle to Perth (average of $302). Flying from Seattle to Perth in December is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Perth

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Perth flights
Spokane to Perth flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Perth?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Perth. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Perth?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Perth for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Perth with no change fees?

Certainly. Search results for flights to Perth from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Perth become cheaper?

Of course! You can now track prices for flights from Seattle to Perth and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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