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Flights from Seattle to Perth

Find flight deals from Seattle to Perth for the next 3 months. Book one way flights from $567 or round trip flights from $1,455.

      • SEA 4:25 PM
        35h 10m
        1 stop
        PER 6:35 PM
        Seattle - Perth | Fri, Aug 7 | Qatar Airways
        PER 10:45 PM
        28h 40m
        1 stop
        SEA 12:25 PM
        Perth - Seattle | Fri, Aug 14 | Qatar Airways
        $1,455 $1,936
        25% off
        25% off
        $1,936 $1,455
      • SEA 4:25 PM
        35h 10m
        1 stop
        PER 6:35 PM
        Seattle - Perth | Fri, Aug 14 | Qatar Airways
        PER 10:45 PM
        29h
        1 stop
        SEA 12:45 PM
        Perth - Seattle | Fri, Aug 21 | Qatar Airways
        $1,458 $1,936
        25% off
        25% off
        $1,936 $1,458
      • SEA 4:25 PM
        35h 10m
        1 stop
        PER 6:35 PM
        Seattle - Perth | Thu, Aug 20 | Qatar Airways
        PER 10:45 PM
        29h
        1 stop
        SEA 12:45 PM
        Perth - Seattle | Thu, Aug 27 | Qatar Airways
        $1,465 $1,936
        24% off
        24% off
        $1,936 $1,465
      • SEA 10:15 AM
        27h 55m
        1 stop
        PER 5:10 AM
        Seattle - Perth | Mon, Sep 7 | Singapore Airlines
        PER 6:25 AM
        41h 20m
        1 stop
        SEA 8:45 AM
        Perth - Seattle | Mon, Sep 14 | Singapore Airlines
        $1,468
        24% off
        $1,936 $1,468
      • SEA 4:25 PM
        35h 10m
        1 stop
        PER 6:35 PM
        Seattle - Perth | Tue, Sep 8 | Qatar Airways
        PER 10:45 PM
        28h 40m
        1 stop
        SEA 12:25 PM
        Perth - Seattle | Fri, Sep 11 | Qatar Airways
        $1,475
        24% off
        $1,936 $1,475
      • SEA 4:25 PM
        35h 10m
        1 stop
        PER 6:35 PM
        Seattle - Perth | Mon, Sep 7 | Qatar Airways
        PER 10:45 PM
        29h
        1 stop
        SEA 12:45 PM
        Perth - Seattle | Mon, Sep 14 | Qatar Airways
        $1,511
        22% off
        $1,936 $1,511
      • SEA 10:15 AM
        35h 15m
        1 stop
        PER 12:30 PM
        Seattle - Perth | Tue, Sep 8 | Singapore Airlines
        PER 6:25 AM
        41h 20m
        1 stop
        SEA 8:45 AM
        Perth - Seattle | Fri, Sep 11 | Singapore Airlines
        $1,602
        17% off
        $1,936 $1,602
      • SEA 10:15 AM
        27h 55m
        1 stop
        PER 5:10 AM
        Seattle - Perth | Mon, Aug 24 | Singapore Airlines
        PER 8:35 AM
        26h 30m
        1 stop
        SEA 8:05 PM
        Perth - Seattle | Mon, Aug 31 | Philippine Airlines
        $1,738
        10% off
        $1,936 $1,738
      • SEA 12:25 PM
        27h 25m
        1 stop
        PER 6:50 AM
        Seattle - Perth | Sat, Aug 22 | Cathay Pacific
        PER 8:20 AM
        41h
        1 stop
        SEA 10:20 AM
        Perth - Seattle | Sat, Aug 29 | Cathay Pacific
        $1,755
        9% off
        $1,936 $1,755
      • SEA 11:10 PM
        41h 5m
        1 stop
        PER 7:15 AM
        Seattle - Perth | Tue, Aug 11 | Philippine Airlines
        PER 8:35 AM
        26h 30m
        1 stop
        SEA 8:05 PM
        Perth - Seattle | Mon, Aug 17 | Philippine Airlines
        $1,761
        9% off
        $1,936 $1,761
      • SEA 1:00 PM
        17h 25m
        1 stop
        PER 2:00 PM
        Seattle - Perth | Fri, Jul 17 | Normal Airline
        PER 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Perth - Seattle | Sun, Jul 19 | Normal Airline
        Find more flights
        Find more flights
      • SEA 10:15 AM
        27h 5m
        1 stop
        PER 4:20 AM
        Seattle - Perth | Sat, Sep 12 | Singapore Airlines
        $567 $1,002
        43% off
        43% off
        $1,002 $567
      • SEA 10:15 AM
        27h 5m
        1 stop
        PER 4:20 AM
        Seattle - Perth | Sat, Aug 22 | Singapore Airlines
        $591 $1,002
        41% off
        41% off
        $1,002 $591
      • SEA 10:15 AM
        27h 5m
        1 stop
        PER 4:20 AM
        Seattle - Perth | Fri, Aug 21 | Singapore Airlines
        $617 $1,002
        38% off
        38% off
        $1,002 $617
      • SEA 4:25 PM
        35h 10m
        1 stop
        PER 6:35 PM
        Seattle - Perth | Thu, Aug 27 | Qatar Airways
        $890
        11% off
        $1,002 $890
      • SEA 4:25 PM
        35h 10m
        1 stop
        PER 6:35 PM
        Seattle - Perth | Wed, Aug 26 | Qatar Airways
        $896
        11% off
        $1,002 $896
      • SEA 4:25 PM
        35h 10m
        1 stop
        PER 6:35 PM
        Seattle - Perth | Tue, Aug 25 | Qatar Airways
        $897
        10% off
        $1,002 $897
      • SEA 4:25 PM
        35h 10m
        1 stop
        PER 6:35 PM
        Seattle - Perth | Tue, Aug 18 | Qatar Airways
        $898
        10% off
        $1,002 $898
      • SEA 4:25 PM
        35h 10m
        1 stop
        PER 6:35 PM
        Seattle - Perth | Tue, Sep 8 | Qatar Airways
        $903
        10% off
        $1,002 $903
      • SEA 10:15 AM
        22h 40m
        1 stop
        PER 11:55 PM
        Seattle - Perth | Wed, Aug 26 | Singapore Airlines
        $906
        10% off
        $1,002 $906
      • SEA 11:10 PM
        41h 5m
        1 stop
        PER 7:15 AM
        Seattle - Perth | Thu, Aug 20 | Philippine Airlines
        $911
        9% off
        $1,002 $911
      • SEA 1:00 PM
        17h 25m
        1 stop
        PER 2:00 PM
        Seattle - Perth | Fri, Jul 17 | Normal Airline
        Find more flights
        Find more flights

Find cheap airlines flights from Seattle to Perth

You can choose from 1 airlines that fly from Seattle to Perth, including EVA Air, Singapore Airlines has lowest fares on this route.
EVA Air logo EVA Air
Airlines are determined based on actual purchased flight tickets from Seattle to Perth according to previous 12 months data from Trip.com.

Flight Info | Seattle to Perth

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

Cheapest one-way flight price$567
Cheapest round-trip ticket price$1,455
Off-season for travelNovember
Peak season for travelJuly
Flight distance14,872.72 km
Popular airlineEVA Air
Flight statistics for the Seattle–Perth route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Perth (SEA-PER)?

    Based on Trip.com data, Singapore Airlines offers one-way fares as low as $567 on Cheapest nonstop routes (e.g. SEA to PER on Sat, Sep 12), while Qatar Airways offers Cheapest nonstop round-trips from $1,455 departing on Fri, Aug 7 and returning on Fri, Aug 14.
  • At the moment, several airlines serve connecting flights from Seattle to Perth, including: EVA Air Selected airlines are based on historical data collected from flight bookings made by users 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 Seattle to Perth 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 Seattle to Perth, 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, Sep 12, with one-way flights priced at just $567.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Singapore 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 Perth travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Perth is November, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Seattle to Perth on July 29, 2026 with Philippine Airlines, with prices starting at $979.
  • You can land at any one of the following hubs in Perth, with Seattle-Tacoma International Airport to Perth Airport (SEA-PER) is by far the most common option on this route: Perth Airport (PER) Jandakot Airport (JAD).
  • The time difference between Perth and Seattle is 16h.
  • Tickets can only be changed or canceled 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.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.