HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Seattle (SEA) to Perth (PER) from $1,055

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 9/15. 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
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 June 2, 2024.

Popular in

June

Cheapest in

April

Average price

$2,282

Round-trip from

$1,584
High demand for flights, 23% potential price rise
Search Deals
Best time to find cheap flights, 21% potential price drop
Search Deals
Average for round-trip flights in June 2024
Search Deals
From Seattle/Tacoma Intl to Perth
Search Deals

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

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 22% 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 58 days in advance to save up to 58% 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 58 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 $1,672, or $2,413 for flights within the next 24 hours.

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

April is one of the best times of the year to fly to Perth from Seattle. Prices for April average $1,756 per person but you can even find prices for as low as $1,225. The most expensive prices can be found in the month of June. Opting for a April flight can save you 29% on your journey compared to booking in June

What is the cheapest time of day to fly from SEA to 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 afternoon, which can drop the price by up to 17% versus a flight at noon.

Cheap United Airlines flights from Seattle to Perth

Explore cheap flight options specifically provided by United 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 2,807,690 searches. Data last updated June 2, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from Seattle to Perth. Make sure to double check the flight details before booking.
Sun 8/1112:55 pmSEA - PER
2 stops34h 45mUnited Airlines
Tue 8/2711:45 pmPER - SEA
2 stops28h 21mUnited Airlines
Deal found 5/31$1,440
Sun 9/157:45 pmSEA - PER
2 stops27h 55mUnited Airlines
Mon 10/710:55 pmPER - SEA
3 stops38h 05mUnited Airlines
Deal found 6/2$1,446
Sun 8/113:35 pmSEA - PER
2 stops32h 05mUnited Airlines
Thu 8/2211:45 pmPER - SEA
3 stops37h 14mUnited Airlines
Deal found 5/31$1,490
Fri 10/187:46 pmSEA - PER
2 stops26h 09mUnited Airlines
Mon 10/2811:45 pmPER - SEA
3 stops30h 42mUnited Airlines
Deal found 6/1$1,499

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 2,807,690 searches. Data last updated June 2, 2024.
Some of the lowest-priced Singapore Airlines flights we've found at this time heading from Seattle to Perth. Deals frequently update to provide users with more options.
Sun 9/1510:15 amSEA - PER
1 stop27h 55mSingapore Airlines
Mon 10/76:25 amPER - SEA
1 stop41h 20mSingapore Airlines
Deal found 6/2$1,055
Sun 9/1510:15 amSEA - PER
1 stop35h 15mSingapore Airlines
Mon 10/75:10 pmPER - SEA
2 stops36h 49mSingapore Airlines
Deal found 6/1$1,236
Sun 9/1510:15 amSEA - PER
1 stop35h 15mSingapore Airlines
Mon 10/71:45 pmPER - SEA
2 stops34h 13mSingapore Airlines
Deal found 6/2$1,281
Sun 10/610:15 amSEA - PER
1 stop27h 55mSingapore Airlines
Sat 10/191:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 6/2$1,310
Sun 9/1510:15 amSEA - PER
1 stop22h 40mSingapore Airlines
Sun 10/61:10 amPER - SEA
2 stops37h 34mSingapore Airlines
Deal found 6/1$1,454
Sun 10/65:59 pmSEA - PER
2 stops27h 31mSingapore Airlines
Sat 10/191:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 6/2$1,530
Sun 9/157:00 amSEA - PER
2 stops31h 10mSingapore Airlines
Sun 10/61:10 amPER - SEA
2 stops37h 34mSingapore Airlines
Deal found 6/2$1,541
Sun 9/157:00 amSEA - PER
2 stops38h 30mSingapore Airlines
Sun 10/61:10 amPER - SEA
2 stops37h 34mSingapore Airlines
Deal found 6/1$1,542
Sun 8/1110:15 amSEA - PER
1 stop22h 40mSingapore Airlines
Thu 8/225:10 pmPER - SEA
2 stops54h 05mSingapore Airlines
Deal found 5/31$1,559

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 2,807,690 searches. Data last updated June 2, 2024.
The lowest fares we've come across on flights traveling from Seattle to Perth in June and July 2024. Check back soon for alternative fares.
Sun 9/1510:15 amSEA - PER
1 stop27h 55mSingapore Airlines
Mon 10/76:25 amPER - SEA
1 stop41h 20mSingapore Airlines
Deal found 6/2$1,055
Sun 9/1510:15 amSEA - PER
1 stop35h 15mSingapore Airlines
Mon 10/75:10 pmPER - SEA
2 stops36h 49mSingapore Airlines
Deal found 6/1$1,236
Sun 9/1510:15 amSEA - PER
1 stop35h 15mSingapore Airlines
Mon 10/71:45 pmPER - SEA
2 stops34h 13mSingapore Airlines
Deal found 6/2$1,281
Sun 10/610:15 amSEA - PER
1 stop27h 55mSingapore Airlines
Sat 10/191:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 6/2$1,310
Fri 10/1811:20 amSEA - PER
2 stops40h 15mQatar Airways
Mon 10/2810:45 pmPER - SEA
1 stop29h 05mQatar Airways
Deal found 6/1$1,401
Sun 8/1112:55 pmSEA - PER
2 stops34h 45mUnited Airlines
Tue 8/2711:45 pmPER - SEA
2 stops28h 21mUnited Airlines
Deal found 5/31$1,440
Sun 9/157:45 pmSEA - PER
2 stops27h 55mUnited Airlines
Mon 10/710:55 pmPER - SEA
3 stops38h 05mUnited Airlines
Deal found 6/2$1,446
Sun 9/1510:15 amSEA - PER
1 stop22h 40mSingapore Airlines
Sun 10/61:10 amPER - SEA
2 stops37h 34mSingapore Airlines
Deal found 6/1$1,454
Sun 10/64:30 pmSEA - PER
2 stops31h 20mMultiple Airlines
Sun 10/2010:45 pmPER - SEA
1 stop28h 45mMultiple Airlines
Deal found 6/2$1,461

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 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,055 - $2,644

Route

Depart

Return

Price

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 9/15

1 stop27h 55m

Perth

Mon 10/7

1 stop41h 20m

$1,055

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 9/15

1 stop35h 15m

Perth

Mon 10/7

2 stops36h 49m

$1,236

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 9/15

1 stop35h 15m

Perth

Mon 10/7

2 stops34h 13m

$1,281

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 10/18

2 stops40h 15m

Perth

Mon 10/28

1 stop29h 05m

$1,401

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 8/11

2 stops34h 45m

Perth

Tue 8/27

2 stops28h 21m

$1,440

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 9/15

2 stops27h 55m

Perth

Mon 10/7

3 stops38h 05m

$1,446

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 10/6

2 stops31h 20m

Perth

Sun 10/20

1 stop28h 45m

$1,461

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 10/18

2 stops40h 15m

Perth

Mon 10/28

2 stops35h 01m

$1,465

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 8/11

1 stop33h 20m

Perth

Thu 8/22

1 stop30h 05m

$2,644

Flights are sorted by cheapest first

Deals found on 6/2

How far ahead should I 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 May 24, 2024.
To ensure you get the cheapest price possible for a flight from Seattle to Perth, you should look to book at least 57 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

What is the cheapest day 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 May 26, 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

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 round-trip 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.

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 June 2, 2024.
See what other customers who have flown with United Airlines, Singapore Airlines and Qatar Airways from Seattle to Perth have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,424 reviews
Check prices

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

8.1

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Best airlines in the world, staff excellent, crew excellent and friendly and helpful.

Singapore Airlines
8.2
Very good
1,424 reviews
Singapore Airlines
8.2
Very good
1,424 reviews
Check prices

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

8.1

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Best airlines in the world, staff excellent, crew excellent and friendly and helpful.

Emirates
8.1
Very good
3,907 reviews
Singapore Airlines
8.2
Very good
1,424 reviews
Check prices

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

8.1

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Best airlines in the world, staff excellent, crew excellent and friendly and helpful.

Qatar Airways
7.7
Good
4,324 reviews
Singapore Airlines
8.2
Very good
1,424 reviews
Check prices

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

8.1

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Best airlines in the world, staff excellent, crew excellent and friendly and helpful.

Malaysia Airlines
7.5
Good
370 reviews
Singapore Airlines
8.2
Very good
1,424 reviews
Check prices

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

8.1

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Best airlines in the world, staff excellent, crew excellent and friendly and helpful.

United Airlines
7.4
Good
10,755 reviews
Singapore Airlines
8.2
Very good
1,424 reviews
Check prices

Food

7.8

Crew

8.7

Boarding

8.4

Entertainment

8.1

Comfort

8.1

Overall

8.2

Reviews

1 / 10

Best airlines in the world, staff excellent, crew excellent and friendly and helpful.

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 $1,055, but on average you can expect to pay $1,435.

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

    Currently priced at $1,055, 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. Search Cheapflights for deals from Qatar Airways and United Airlines - these airlines can fly you to your destination from $1,401 and $1,440, respectively. Users have found that Singapore Airlines is 39% cheaper than the other options available to this destination.

  • 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 6/2.

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

    Currently, March is the cheapest month in which you can book a flight from Seattle to Perth (average of $1,584). Flying from Seattle to Perth in July is currently the most expensive (average of $2,169). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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 2,807,690 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,206Average$1,715FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qatar AirwaysCheapest$1,309Average$1,565FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air CanadaCheapest$1,536Average$2,019FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,636Average$2,078FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
USA to Canada flights
Orlando to Key West flights
Indianapolis to Orlando flights
New York John F Kennedy Intl Airport to Orlando flights
New York to Miami flights
Dallas to Cancún flights
New York to Tampa flights
Atlanta to Cancún flights
Los Angeles to Atlanta flights
Orlando to Houston flights
San Francisco to New Delhi flights
Seattle to Peshawar 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.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Gaziantep
Flights to Miyakojima Hirara
Flights to Figari-Sud Corse
Flights to Mason City
Flights to Komatsu
Flights to Sendai
Flights to Rhinelander Oneida County
Flights to Constanţa Mihail Kogalniceanu
Flights to Brainerd Crow Wing County
Flights to Reus
Flights to Virac
Flights to Neiva La Marguita
Flights to Pellston Emmet County
Flights to Urumqi
Flights to Bastia Poretta
Flights to Samos
Flights to Hyannis Barnstable
Flights to Provincetown
Flights to Alghero-Fertilia
Flights to Laayoune Hassan I
Flights to Devils Lake
Flights to Vava'u Lupepau'U
Flights to Hakodate
Flights to Edremit/Korfez

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines