Cheap flights from Seattle (SEA) to Perth (PER) from $1,041

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — PER
abr. 23 — abr. 301

The best prices from Seattle/Tacoma Intl to Perth are usually found in September or May, booked 36 days in advance, depart on a Monday or Sunday and return on a Monday

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 abril 18, 2024.

Popular in

January

Cheapest in

September

Round-trip from

$1,583

One-way from

$1,366
High demand for flights, 32% potential price rise
Best time to find cheap flights, 27% potential price drop
From Seattle/Tacoma Intl to Perth
One-way flight from Seattle/Tacoma Intl to Perth

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

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 30% on your flight compared to booking on days when demand is much higher.

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

Travelers have found it’s best to book a flight 37 days in advance to save up to 77% 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 37 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 $1,685, or $2,438 for flights within the next 24 hours.

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

September is one of the best times of the year to fly to Perth from Seattle. Prices for September average $1,882 per person but you can even find prices for as low as $1,320. The most expensive prices can be found in the month of January. Opting for a September flight can save you 46% on your journey compared to booking in January

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 23% versus a flight in the evening.

Cheap Singapore Airlines flights from Seattle to Perth

Explore cheap flight options specifically provided by Singapore Airlines for the route between Seattle and Perth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated abril 18, 2024.
Take a peek at the cheapest Singapore Airlines flights we've detected traveling from Seattle to Perth. Make sure to double check the flight details before booking.
dom. 9/2210:15 amSEA - PER
1 stop27h 55mSingapore Airlines
mié. 10/161:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/17$1,041
sáb. 9/2110:15 amSEA - PER
1 stop22h 40mSingapore Airlines
mié. 10/161:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/17$1,056
dom. 9/2210:15 amSEA - PER
1 stop27h 55mSingapore Airlines
sáb. 10/121:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/17$1,091
sáb. 9/2110:15 amSEA - PER
1 stop22h 40mSingapore Airlines
sáb. 10/121:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 4/17$1,106
mar. 10/110:15 amSEA - PER
1 stop27h 55mSingapore Airlines
lun. 10/141:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/17$1,196
lun. 9/235:55 pmSEA - PER
2 stops27h 35mSingapore Airlines
mié. 10/161:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/17$1,234
dom. 9/2210:15 amSEA - PER
1 stop27h 55mSingapore Airlines
vie. 10/111:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 4/17$1,242
dom. 9/2910:15 amSEA - PER
1 stop35h 15mSingapore Airlines
mié. 10/161:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 4/17$1,245
sáb. 9/2110:15 amSEA - PER
1 stop22h 40mSingapore Airlines
vie. 10/111:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 4/17$1,258

Cheap Qatar Airways flights from Seattle to Perth

Explore cheap flight options specifically provided by Qatar Airways for the route between Seattle and Perth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated abril 18, 2024.
Some of the lowest-priced Qatar Airways flights we've found at this time heading from Seattle to Perth. Deals frequently update to provide users with more options.
lun. 9/234:30 pmSEA - PER
1 stop35h 05mQatar Airways
dom. 10/1310:45 pmPER - SEA
1 stop28h 45mQatar Airways
Deal found 4/17$1,640
jue. 9/264:30 pmSEA - PER
1 stop35h 05mQatar Airways
mar. 10/1510:45 pmPER - SEA
1 stop28h 45mQatar Airways
Deal found 4/17$1,820
vie. 9/274:30 pmSEA - PER
1 stop35h 05mQatar Airways
mié. 10/1610:45 pmPER - SEA
1 stop28h 45mQatar Airways
Deal found 4/17$1,937
dom. 9/294:30 pmSEA - PER
1 stop35h 05mQatar Airways
jue. 10/1710:45 pmPER - SEA
2 stops36h 21mQatar Airways
Deal found 4/17$2,058
mié. 10/24:30 pmSEA - PER
1 stop35h 05mQatar Airways
mar. 10/1510:45 pmPER - SEA
1 stop28h 45mQatar Airways
Deal found 4/17$2,132
mar. 10/14:30 pmSEA - PER
1 stop35h 05mQatar Airways
dom. 10/1310:45 pmPER - SEA
1 stop28h 45mQatar Airways
Deal found 4/17$2,204

Seattle to Perth 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Perth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated abril 18, 2024.
The lowest fares we've come across on flights traveling from Seattle to Perth in April and May 2024. Check back soon for alternative fares.
dom. 9/2210:15 amSEA - PER
1 stop27h 55mSingapore Airlines
mié. 10/161:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/17$1,041
sáb. 9/2110:15 amSEA - PER
1 stop22h 40mSingapore Airlines
lun. 10/141:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 4/17$1,056
dom. 9/2210:15 amSEA - PER
1 stop27h 55mSingapore Airlines
sáb. 10/121:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/17$1,091
sáb. 9/2110:15 amSEA - PER
1 stop22h 40mSingapore Airlines
sáb. 10/121:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 4/17$1,106
mar. 10/110:15 amSEA - PER
1 stop27h 55mSingapore Airlines
lun. 10/141:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/17$1,196
lun. 9/235:55 pmSEA - PER
2 stops27h 35mSingapore Airlines
mié. 10/161:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/17$1,234
dom. 9/2210:15 amSEA - PER
1 stop27h 55mSingapore Airlines
vie. 10/111:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 4/17$1,242
dom. 9/2910:15 amSEA - PER
1 stop35h 15mSingapore Airlines
lun. 10/141:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/17$1,245
sáb. 9/2110:15 amSEA - PER
1 stop22h 40mSingapore Airlines
vie. 10/111:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 4/17$1,258

One-way flights to Perth from Seattle

Search for one-way flight options from Seattle to Perth. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated abril 18, 2024.
If you're seeking multiple options on one-way flights from Seattle to Perth, be sure to check out these deals, which are updated often. Those needing a return flight from Seattle to Perth can use the search form above.
vie. 7/52:10 amSEA - PER
3 stops31h 25mMultiple Airlines
Deal found 4/17$1,360
vie. 7/52:10 amSEA - PER
2 stops31h 20mMultiple Airlines
Deal found 4/17$1,366
sáb. 7/68:25 amSEA - PER
2 stops43h 10mQatar Airways
Deal found 4/17$1,386
sáb. 7/63:10 pmSEA - PER
3 stops36h 15mAir New Zealand
Deal found 4/17$1,527

Find flights from Seattle to Perth within your budget

Customize 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 3,192,047 searches. Data last updated abril 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,041 - $2,306

Route

Depart

Return

Price

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

dom. 9/22

1 stop27h 55m

Perth

mié. 10/16

1 stop34h 00m

$1,041

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

sáb. 9/21

1 stop22h 40m

Perth

mié. 10/16

1 stop34h 00m

$1,056

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

dom. 9/22

1 stop27h 55m

Perth

sáb. 10/12

1 stop34h 00m

$1,091

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

lun. 9/30

2 stops31h 00m

Perth

lun. 10/14

1 stop34h 00m

$1,288

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

lun. 9/23

1 stop35h 05m

Perth

dom. 10/13

1 stop28h 45m

$1,640

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

dom. 9/22

2 stops25h 45m

Perth

dom. 10/13

2 stops37h 15m

$1,763

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

dom. 9/22

2 stops35h 23m

Perth

sáb. 10/12

2 stops39h 07m

$2,062

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

mar. 9/24

3 stops39h 25m

Perth

lun. 10/14

2 stops29h 05m

$2,092

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

sáb. 9/28

2 stops27h 40m

Perth

mié. 10/16

2 stops24h 55m

$2,306

Flights are sorted by cheapest first

Deals found on 4/17

When is the best time to book a flight from Seattle to Perth?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Perth. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from Seattle to Perth, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Seattle to Perth?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Perth. Price data was last updated on April 14, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Perth flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Perth by month

Plan your trip from Seattle to Perth by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Perth is currently $1,410 while a round-trip flight costs $1,593. Price data was last updated on April 14, 2024.

Currently, March is the cheapest month in which you can book a flight from Seattle to Perth (average of $1,583). Flying from Seattle to Perth in July is currently the most expensive (average of $2,122). 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.

January

$1,790

February

$1,754

March

$1,583

April

$1,681

May

$1,752

June

$1,885

July

$2,122

August

$1,817

September

$1,806

October

$1,799

November

$1,680

December

$1,912

Temperature and rainfall in Perth by month

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

PER

Temperature

53.6 - 75.2 °F

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 abril 18, 2024.
See what other customers who have flown with Singapore Airlines, Qatar Airways and United Airlines from Seattle to Perth have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.3
Very good
668 reviews

Entertainment

7.9

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.8

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

8.3
Very good
668 reviews
8.3
Very good
668 reviews

Entertainment

7.9

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.8

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

8.3
Very good
1,491 reviews
8.3
Very good
668 reviews

Entertainment

7.9

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.8

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

8.1
Very good
4,092 reviews
8.3
Very good
668 reviews

Entertainment

7.9

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.8

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

7.8
Good
1,143 reviews
8.3
Very good
668 reviews

Entertainment

7.9

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.8

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

7.7
Good
4,499 reviews
8.3
Very good
668 reviews

Entertainment

7.9

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.8

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

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.
  • Can I find flights from Seattle to Perth for under $1,100 on Cheapflights?

    Yes, there are multiple flights from Seattle to Perth for under $1,100. The cheapest flight booked recently is on Singapore Airlines for just $1,041, but on average you can expect to pay $1,284.

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

    Currently priced at $1,041, 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 44% cheaper than the other options available to this destination.

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

  • What does SEA to PER mean?

    SEA and PER are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to PER refers to a flight route from Seattle/Tacoma Intl Airport to Perth Airport.

  • Can I find deals for flights from Seattle to Perth that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Perth flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Perth with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Perth flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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 vacation 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.

  • Can I find deals for flights from Seattle to Perth that allow pets onboard?

    Many airlines flying from Seattle to Perth offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Perth?

    Yes, you can often find last-minute deals on Seattle to Perth flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Perth flight deals updated?

    The Seattle to Perth flight deals you see on this page were last updated on 4/17.

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.

Top 4 airlines flying from Seattle to Perth

Discover the top 4 airlines that operate flights from Seattle to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,192,047 searches. Data last updated abril 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,236Average$1,545FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qatar AirwaysCheapest$1,302Average$1,582FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air CanadaCheapest$1,536Average$2,019FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,634Average$2,120FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Search flights from Seattle to Perth by cabin class

Find flights from Seattle to Perth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Seattle to Perth flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Perth from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Perth from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Seattle to Perth on Cheapflights with our Price Alert feature and get notified when better prices are available.

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