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Cheap flights from Seattle (SEA) to Perth (PER) from $722

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 8/25. 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
May 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
1 adult, Economy
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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 April 27, 2024.

Popular in

January

Cheapest in

September

Round-trip from

$1,583

One-way from

$1,042
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 27% potential price drop
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From Seattle/Tacoma Intl to Perth
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One-way flight from Seattle/Tacoma Intl to Perth
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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 25% 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 22% versus a flight in the evening.

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 2,991,349 searches. Data last updated April 27, 2024.
Take a peek at the cheapest Qatar Airways flights we've detected traveling from Seattle to Perth. Make sure to double check the flight details before booking.
Mon 5/134:30 pmSEA - PER
1 stop35h 05mQatar Airways
Wed 6/510:45 pmPER - SEA
2 stops35h 14mQatar Airways
Deal found 4/26$2,056
Mon 5/134:30 pmSEA - PER
1 stop35h 05mQatar Airways
Wed 6/510:45 pmPER - SEA
1 stop28h 45mQatar Airways
Deal found 4/26$2,207
Sat 5/254:30 pmSEA - PER
1 stop35h 05mQatar Airways
Thu 5/3010:45 pmPER - SEA
1 stop28h 45mQatar Airways
Deal found 4/26$11,628

Cheap Air New Zealand flights from Seattle to Perth

Explore cheap flight options specifically provided by Air New Zealand 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 2,991,349 searches. Data last updated April 27, 2024.
Some of the lowest-priced Air New Zealand flights we've found at this time heading from Seattle to Perth. Deals frequently update to provide users with more options.
Wed 5/293:10 pmSEA - PER
2 stops33h 50mAir New Zealand
Sat 6/224:25 pmPER - SEA
2 stops33h 15mAir New Zealand
Deal found 4/27$2,176
Wed 5/291:10 pmSEA - PER
3 stops33h 30mAir New Zealand
Sat 6/224:25 pmPER - SEA
2 stops34h 05mAir New Zealand
Deal found 4/27$3,470

Cheap Seattle to Perth flights in April & May 2024

Find cheap flight options from Seattle to Perth specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 27, 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.
Mon 5/132:50 pmSEA - PER
2 stops34h 10mMultiple Airlines
Wed 6/57:50 pmPER - SEA
2 stops33h 07mMultiple Airlines
Deal found 4/26$1,643
Mon 5/137:02 amSEA - PER
2 stops44h 33mMultiple Airlines
Tue 6/42:10 amPER - SEA
2 stops49h 20mMultiple Airlines
Deal found 4/26$1,708
Mon 5/134:30 pmSEA - PER
1 stop35h 05mMultiple Airlines
Tue 6/42:10 amPER - SEA
2 stops49h 20mMultiple Airlines
Deal found 4/26$1,757
Wed 5/294:30 pmSEA - PER
1 stop35h 05mMultiple Airlines
Sat 6/228:40 pmPER - SEA
2 stops56h 45mMultiple Airlines
Deal found 4/27$1,968
Mon 5/137:02 amSEA - PER
2 stops44h 33mMultiple Airlines
Wed 6/57:20 amPER - SEA
3 stops44h 10mMultiple Airlines
Deal found 4/26$2,010
Mon 5/134:30 pmSEA - PER
1 stop35h 05mQatar Airways
Wed 6/510:45 pmPER - SEA
2 stops35h 14mQatar Airways
Deal found 4/26$2,056
Wed 5/293:10 pmSEA - PER
2 stops33h 50mAir New Zealand
Sat 6/224:25 pmPER - SEA
2 stops33h 15mAir New Zealand
Deal found 4/27$2,176
Mon 5/134:30 pmSEA - PER
1 stop35h 05mQatar Airways
Wed 6/510:45 pmPER - SEA
1 stop28h 45mQatar Airways
Deal found 4/26$2,207
Sun 5/121:50 amSEA - PER
2 stops34h 00mMultiple Airlines
Wed 6/55:10 pmPER - SEA
1 stop30h 35mMultiple Airlines
Deal found 4/26$2,608

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 2,991,349 searches. Data last updated April 27, 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.
Sun 9/1510:15 amSEA - PER
1 stop22h 40mSingapore Airlines
Mon 10/71:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/26$1,005
Sun 9/2210:15 amSEA - PER
1 stop35h 15mSingapore Airlines
Mon 10/146:25 amPER - SEA
1 stop41h 20mSingapore Airlines
Deal found 4/26$1,048
Sun 9/1510:15 amSEA - PER
1 stop27h 55mSingapore Airlines
Mon 10/71:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/26$1,060
Sat 9/2110:15 amSEA - PER
1 stop22h 40mSingapore Airlines
Mon 10/141:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/26$1,062
Thu 9/1210:15 amSEA - PER
1 stop22h 40mSingapore Airlines
Mon 9/301:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 4/27$1,173
Thu 9/127:12 pmSEA - PER
2 stops28h 28mSingapore Airlines
Mon 9/301:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 4/27$1,241
Mon 9/235:55 pmSEA - PER
2 stops27h 35mSingapore Airlines
Mon 10/141:45 pmPER - SEA
1 stop34h 00mSingapore Airlines
Deal found 4/26$1,242
Sun 9/2210:15 amSEA - PER
1 stop27h 55mSingapore Airlines
Mon 10/145:10 pmPER - SEA
2 stops36h 47mSingapore Airlines
Deal found 4/26$1,244
Fri 9/134:30 pmSEA - PER
1 stop35h 05mQatar Airways
Tue 10/110:45 pmPER - SEA
1 stop28h 45mQatar Airways
Deal found 4/27$1,273

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 2,991,349 searches. Data last updated April 27, 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.
Sun 8/2510:15 amSEA - PER
2 stops31h 00mMultiple Airlines
Deal found 4/27$722
Mon 8/268:12 pmSEA - PER
2 stops35h 23mMultiple Airlines
Deal found 4/27$736
Sun 8/2510:15 amSEA - PER
1 stop22h 40mSingapore Airlines
Deal found 4/27$759
Sat 8/241:40 amSEA - PER
2 stops32h 20mMultiple Airlines
Deal found 4/27$786
Sat 8/241:40 amSEA - PER
3 stops32h 30mMultiple Airlines
Deal found 4/27$890
Mon 8/264:30 pmSEA - PER
1 stop35h 05mQatar Airways
Deal found 4/27$930
Tue 8/67:12 pmSEA - PER
2 stops28h 28mSingapore Airlines
Deal found 4/26$950
Mon 8/57:00 amSEA - PER
2 stops40h 40mSingapore Airlines
Deal found 4/26$975
Tue 8/610:15 amSEA - PER
1 stop35h 15mSingapore Airlines
Deal found 4/26$1,042

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 2,991,349 searches. Data last updated April 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,643 - $4,018

Route

Depart

Return

Price

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 5/13

2 stops34h 10m

Perth

Wed 6/5

2 stops33h 07m

$1,643

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 5/13

2 stops44h 33m

Perth

Tue 6/4

2 stops49h 20m

$1,708

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 5/13

1 stop35h 05m

Perth

Tue 6/4

2 stops49h 20m

$1,757

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 5/13

1 stop35h 05m

Perth

Wed 6/5

2 stops35h 14m

$2,056

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 5/29

2 stops33h 50m

Perth

Sat 6/22

2 stops33h 15m

$2,176

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 5/13

2 stops31h 08m

Perth

Tue 6/4

3 stops37h 49m

$2,617

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 5/29

2 stops44h 40m

Perth

Fri 6/21

2 stops47h 25m

$2,653

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 5/29

1 stop33h 20m

Perth

Sat 6/22

1 stop30h 05m

$2,791

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 5/28

2 stops43h 00m

Perth

Sat 6/22

2 stops42h 57m

$4,018

Flights are sorted by cheapest first

Deals found on 4/26

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.
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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 21, 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.
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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 $866 while a round-trip flight costs $2,380. Price data was last updated on April 21, 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 $2,134). 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

$1,785

February

$1,744

March

$1,583

April

$1,681

May

$1,716

June

$1,920

July

$2,134

August

$1,803

September

$1,789

October

$1,799

November

$1,680

December

$1,910

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 April 27, 2024.
See what other customers who have flown with Qatar Airways, Air New Zealand and Singapore 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.
Air New Zealand
8.3
Very good
647 reviews
Check prices

Comfort

8.1

Boarding

8.4

Food

7.7

Crew

8.8

Entertainment

7.9

Overall

8.3

Reviews

1 / 10

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

Air New Zealand
8.3
Very good
647 reviews
Air New Zealand
8.3
Very good
647 reviews
Check prices

Comfort

8.1

Boarding

8.4

Food

7.7

Crew

8.8

Entertainment

7.9

Overall

8.3

Reviews

1 / 10

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

Singapore Airlines
8.3
Very good
1,479 reviews
Air New Zealand
8.3
Very good
647 reviews
Check prices

Comfort

8.1

Boarding

8.4

Food

7.7

Crew

8.8

Entertainment

7.9

Overall

8.3

Reviews

1 / 10

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

Emirates
8.1
Very good
4,064 reviews
Air New Zealand
8.3
Very good
647 reviews
Check prices

Comfort

8.1

Boarding

8.4

Food

7.7

Crew

8.8

Entertainment

7.9

Overall

8.3

Reviews

1 / 10

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

Qatar Airways
7.7
Good
4,459 reviews
Air New Zealand
8.3
Very good
647 reviews
Check prices

Comfort

8.1

Boarding

8.4

Food

7.7

Crew

8.8

Entertainment

7.9

Overall

8.3

Reviews

1 / 10

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

Malaysia Airlines
7.5
Good
403 reviews
Air New Zealand
8.3
Very good
647 reviews
Check prices

Comfort

8.1

Boarding

8.4

Food

7.7

Crew

8.8

Entertainment

7.9

Overall

8.3

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 $1,700 on Cheapflights?

    Yes, there are multiple flights from Seattle to Perth for under $1,700. The cheapest flight booked recently is on Multiple Airlines for just $1,643, but on average you can expect to pay $3,019.

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

    Currently priced at $2,056, Qatar Airways will fly you from Seattle to Perth and back. In addition to Qatar Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air New Zealand and Singapore Airlines - these airlines can fly you to your destination from $2,176 and $2,617, respectively.

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

    To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at $759. Qatar Airways flights start at $930 while deals on Emirates start at $1,608 one-way.

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

    Air Canada, Qantas Airways and Qatar Airways are the most popular airlines when flying 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 4/27.

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.

Spokane to Perth flights

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 2,991,349 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,237Average$1,545FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qatar AirwaysCheapest$1,304Average$1,568FlexibilityNo 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
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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.
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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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