Find Cheapest Airlines Flying from Perth to Seattle

Choose from 3 carriers that fly from Perth to Seattle, including Qantas Airways, Singapore Airlines, and Japan Airlines. Enjoy the cheapest tickets on this route with Philippine Airlines.
Qantas Airways logo Qantas Airways
Singapore Airlines logo Singapore Airlines
Japan Airlines logo Japan Airlines
Airlines are determined based on actual purchased flight tickets from Perth to Seattle according to previous 12 months data from Trip.com.

Explore the cheapest flights from Perth to Seattle in the next three months. Based on Trip.com's data from the latest 7 days, one-way fares start at AU$ 840, and round-trip tickets start at AU$ 1,447.

Displayed flight fares from Perth to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Perth to Seattle Flight Details

The distance between Perth and Seattle is approximately 14,872.72km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceAU$ 840
Cheapest return ticket priceAU$ 1,447
Off-season for travelNovember
Peak season for travelJuly
Flight distance14,872.72km
Popular airlineQantas Airways
Flight statistics for the Perth–Seattle route are based on aggregated booking data from Trip.com over the past 12 months.

Flight FAQs

  • Which airlines offer the cheapest flights from Perth (PER) to Seattle (SEA)?

    Based on Trip.com data, Philippine Airlines offers one-way fares as low as AU$ 840 on Cheapest nonstop routes (e.g. PER to SEA on Sat, Feb 21), while Philippine Airlines offers Cheapest nonstop round-trips from AU$ 1,447 departing on Sat, Mar 21 and returning on Fri, Mar 27.
  • At the moment, you can catch a direct flight from Perth to Seattle with the following airlines, including: Jetstar Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Perth to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Perth to Seattle, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Feb 21, with one-way flights priced at just AU$ 840.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Philippine Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Perth to Seattle is November, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Perth to Seattle on February 25, 2026 with All Nippon Airways, with prices starting at AU$ 1,669.
  • You can land at any one of the following hubs in Seattle, with Perth Airport to Seattle-Tacoma International Airport (PER-SEA) is by far the most common option on this route: King County (Boeing Field) International Airport (BFI) Kenmore Air - Lake Union (LKE) Seattle-Tacoma International Airport (SEA).
  • The time difference between Seattle and Perth is 16h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Perth to Seattle by air

Whether you're looking to travel from Perth to Seattle or searching for flights from Perth to Seattle, you've come to the right place. Start your quest for the best airfares by choosing your desired travel date above. If you're interested in gaining insights about your journey, including airlines, flight times, schedules, money-saving ticket tips, and other valuable information, continue reading below to discover all the essential details.

Perth to Seattle airfares

The Perth and Seattle airfares can experience significant variations. The air ticket is influenced by a multitude of factors, including the level of demand, the chosen travel dates and times, seat availability, and the pricing strategies employed by different airlines. Moreover, the airfares can also be subject to adjustments based on the travel class you opt for, whether it's first class, business class, or economy class.

How to find cheap flights from Perth to Seattle

Finding the most affordable air tickets from Perth to Seattle requires flexibility, perseverance, and a little bit luck. Here are some valuable tips to help you secure the best prices:

  • 1. Stay flexible with your travel dates and times, as airfares are often more budget-friendly during early mornings, late evenings, and weekdays.
  • 2. Consider nearby alternative airports as they may offer cheaper options.
  • 3. Explore booking separate one-way flights with different airlines, as it can sometimes be more cost-effective than a round-trip ticket.
  • 4. Opt for a connecting flight from Perth to Seattle as it can potentially result in savings.
  • 5. Keep a vigilant eye out for unexpected last-minute flight deals that may suddenly appear.

Airlines from Perth to Seattle

Regrettably, direct flights from Perth to Seattle are not available. Nevertheless, Qantas Airways and Virgin Australia offers convenient connecting flight options, allowing passengers to reach Seattle from Perth with ease.

Perth to Seattle flight time

With no non-stop flight option, the Perth to Seattle time can vary due to connecting flights and layovers. It is important to consider that the duration of the layover can be influenced by factors such as the need to retrieve baggage at the connecting airport and whether the connecting flights depart from the same or different airports. These variables have the potential to impact the overall travel duration, resulting in possible deviations from the estimated timeframe. To ensure accurate information, it is recommended to verify the flight details on the booking page.

Everything you need to know about Perth airport

Perth Airport (PER), is the start point to exploring Western Australia! With four terminals serving both domestic and international flights, Perth Airport connects you to the rest of the world by renowned airlines like Qantas, Virgin Australia, and Singapore Airlines. Getting to and from the airport is a breeze, thanks to efficient transportation options such as airport trains, shuttle buses and taxis, taking a mere 20-30 minutes from the city center.

Arriving at Seattle airport

Seattle Airport, officially known as Seattle-Tacoma International Airport (SEA), is the main airport serving the Seattle metropolitan area. It operates through a central terminal building, divided into four concourses: Concourse A, Concourse B, Concourse C, and the South Satellite Terminal. The airport offers a wide range of flight routes, connecting Seattle to domestic and international destinations. Traveling between the airport and the city center is convenient with various transportation options available. The Light Rail service, taxis, and airport shuttles take approximately 30-45 minutes, depending on traffic conditions.

Book Perth to Seattle flights on Trip.com to unlock extra benefits

With Trip.com, book your airfares from Perth to Seattle is a breeze. Once you've booked your flight, you'll gain access to a range of discounts on hotels, car rentals, and airport transfers, allowing you to save even more. As an added bonus, you'll earn Tripcoins, a loyalty program currency, which you can redeem on your future travels.

Trip.com Airline Insights on Flights from Perth toSeattle

Which airlines offer the cheapest nonstop flights from Perth to Seattle?

Data is based on the average price of all nonstop flights from Perth to Seattle on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, All Nippon Airways offers the cheapest nonstop flights from Perth to Seattle, with an average price of AU$ 147.

AU$ 147
AU$ 768
AU$ 1,388
AU$ 2,008
All Nippon Airways
AU$ 147
All Nippon Airways
Philippine Airlines
AU$ 1,333
Philippine Airlines
Qantas Airways
AU$ 1,588
Qantas Airways
United Airlines
AU$ 1,831
United Airlines
Japan Airlines
AU$ 1,855
Japan Airlines
Singapore Airlines
AU$ 2,008
Singapore Airlines