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Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport flight

Explore the cheapest one-way and round-trip flights from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport over the next 90 days, with one-way fares from €399 and round-trip from €650. Based on Trip.com's latest 7-day flight data.

      • SYD 9:10 AM
        29h 7m
        1 stop
        SEA 7:17 PM
        Sydney - Seattle | Thu, Nov 5 | United Airlines
        SEA 10:40 AM
        27h 40m
        1 stop
        SYD 9:20 AM
        Seattle - Sydney | Tue, Nov 10 | United Airlines
        €650 €1,083
        40% off
        40% off
        €1,083 €650
      • SYD 10:30 AM
        19h 5m
        1 stop
        SEA 11:35 AM
        Sydney - Seattle | Wed, Oct 21 | United Airlines
        SEA 11:59 PM
        37h 1m
        1 stop
        SYD 7:00 AM
        Seattle - Sydney | Sat, Oct 24 | United Airlines
        €650 €1,083
        40% off
        40% off
        €1,083 €650
      • SYD 9:15 AM
        29h 2m
        1 stop
        SEA 7:17 PM
        Sydney - Seattle | Tue, Nov 10 | United Airlines
        SEA 12:20 PM
        25h 45m
        1 stop
        SYD 9:05 AM
        Seattle - Sydney | Tue, Nov 17 | United Airlines
        €650 €1,083
        40% off
        40% off
        €1,083 €650
      • SYD 9:15 AM
        29h 2m
        1 stop
        SEA 7:17 PM
        Sydney - Seattle | Tue, Nov 17 | United Airlines
        SEA 5:23 PM
        20h 57m
        1 stop
        SYD 9:20 AM
        Seattle - Sydney | Tue, Nov 24 | United Airlines
        €667
        38% off
        €1,083 €667
      • SYD 9:40 AM
        25h 5m
        1 stop
        SEA 4:45 PM
        Sydney - Seattle | Fri, Oct 30 | Delta Air Lines
        SEA 5:45 PM
        19h 45m
        1 stop
        SYD 8:30 AM
        Seattle - Sydney | Tue, Nov 3 | Delta Air Lines
        €689
        36% off
        €1,083 €689
      • SYD 11:20 AM
        19h
        1 stop
        SEA 12:20 PM
        Sydney - Seattle | Sat, Oct 24 | United Airlines
        SEA 1:59 PM
        23h 1m
        1 stop
        SYD 7:00 AM
        Seattle - Sydney | Wed, Oct 28 | United Airlines
        €695
        36% off
        €1,083 €695
      • SYD 11:50 AM
        20h 49m
        1 stop
        SEA 2:39 PM
        Sydney - Seattle | Fri, Oct 30 | United Airlines
        SEA 6:00 AM
        32h 5m
        1 stop
        SYD 9:05 AM
        Seattle - Sydney | Tue, Nov 3 | United Airlines
        €695
        36% off
        €1,083 €695
      • SYD 9:10 AM
        23h 15m
        1 stop
        SEA 1:25 PM
        Sydney - Seattle | Thu, Nov 19 | United Airlines
        SEA 7:05 AM
        28h 55m
        1 stop
        SYD 7:00 AM
        Seattle - Sydney | Thu, Nov 26 | United Airlines
        €712
        34% off
        €1,083 €712
      • SYD 10:40 AM
        18h 20m
        1 stop
        SEA 10:00 AM
        Sydney - Seattle | Sun, Nov 8 | Delta Air Lines
        SEA 5:52 PM
        19h 38m
        1 stop
        SYD 8:30 AM
        Seattle - Sydney | Thu, Nov 12 | Delta Air Lines
        €730
        33% off
        €1,083 €730
      • SYD 10:40 AM
        18h 25m
        1 stop
        SEA 10:05 AM
        Sydney - Seattle | Sat, Nov 14 | Delta Air Lines
        SEA 9:20 PM
        40h 10m
        1 stop
        SYD 8:30 AM
        Seattle - Sydney | Sat, Nov 21 | Delta Air Lines
        €731
        33% off
        €1,083 €731
      • SYD 11:10 AM
        20h 50m
        1 stop
        SEA 1:00 PM
        Sydney - Seattle | Mon, Nov 9 | American Airlines
        SEA 4:30 PM
        21h 30m
        1 stop
        SYD 9:00 AM
        Seattle - Sydney | Mon, Nov 16 | American Airlines
        €780
        28% off
        €1,083 €780
      • SYD 10:10 AM
        26h 35m
        1 stop
        SEA 6:45 PM
        Sydney - Seattle | Wed, Oct 21 | American Airlines
        SEA 11:06 AM
        27h 54m
        1 stop
        SYD 9:00 AM
        Seattle - Sydney | Tue, Oct 27 | Frontier Airlines
        €790
        27% off
        €1,083 €790
      • SYD 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Sydney - Seattle | Fri, Oct 9 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        SYD 4:00 PM
        Seattle - Sydney | Sun, Oct 11 | Normal Airline
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      • SYD 10:15 AM
        26h 11m
        1 stop
        SEA 6:26 PM
        Sydney - Seattle | Fri, Nov 6 | Delta Air Lines
        €399 €673
        41% off
        41% off
        €673 €399
      • SYD 10:40 AM
        27h 14m
        1 stop
        SEA 6:54 PM
        Sydney - Seattle | Thu, Nov 26 | Delta Air Lines
        €447 €673
        34% off
        34% off
        €673 €447
      • SYD 9:15 AM
        26h 21m
        1 stop
        SEA 6:36 PM
        Sydney - Seattle | Thu, Oct 8 | Delta Air Lines
        €450 €673
        33% off
        33% off
        €673 €450
      • SYD 10:40 AM
        27h 14m
        1 stop
        SEA 6:54 PM
        Sydney - Seattle | Thu, Nov 19 | Delta Air Lines
        €452
        33% off
        €673 €452
      • SYD 10:40 AM
        30h 18m
        1 stop
        SEA 9:58 PM
        Sydney - Seattle | Wed, Nov 18 | Delta Air Lines
        €470
        30% off
        €673 €470
      • SYD 10:15 AM
        28h 12m
        1 stop
        SEA 8:27 PM
        Sydney - Seattle | Sat, Oct 31 | Delta Air Lines
        €483
        28% off
        €673 €483
      • SYD 10:15 AM
        20h 12m
        1 stop
        SEA 12:27 PM
        Sydney - Seattle | Wed, Oct 21 | Delta Air Lines
        €483
        28% off
        €673 €483
      • SYD 10:15 AM
        20h 25m
        1 stop
        SEA 12:40 PM
        Sydney - Seattle | Thu, Oct 22 | Delta Air Lines
        €491
        27% off
        €673 €491
      • SYD 10:40 AM
        27h 14m
        1 stop
        SEA 6:54 PM
        Sydney - Seattle | Sat, Nov 21 | Delta Air Lines
        €491
        27% off
        €673 €491
      • SYD 10:15 AM
        24h 30m
        1 stop
        SEA 4:45 PM
        Sydney - Seattle | Sat, Nov 7 | Delta Air Lines
        €491
        27% off
        €673 €491
      • SYD 9:40 AM
        18h 20m
        1 stop
        SEA 10:00 AM
        Sydney - Seattle | Thu, Nov 12 | Delta Air Lines
        €491
        27% off
        €673 €491
      • SYD 10:15 AM
        24h 30m
        1 stop
        SEA 4:45 PM
        Sydney - Seattle | Thu, Nov 5 | Delta Air Lines
        €491
        27% off
        €673 €491
      • SYD 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Sydney - Seattle | Fri, Oct 9 | Normal Airline
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Displayed flight fares from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport

What’s the cheapest month to fly round-trip from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport?

The data is based on the past 12 months and shows the average monthly round-trip fares from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport in the Trip.com database.

Based on Trip.com’s data from the past 12 months, July is typically the cheapest month to find flights from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport, with an average price of €668. In contrast, April is usually the most expensive month, with average fares reaching €1,667.

€1,667
€1,168
€668
€169
    Cheapest
  • €1,667
    Apr
  • €832
    May
  • €853
    Jun
  • €668
    Jul
  • €1,181
    Aug
  • €794
    Sep
  • €1,128
    Oct
  • €1,014
    Nov
  • €942
    Dec
  • €1,029
    Jan
  • €932
    Feb
  • €909
    Mar

What is the cheapest day of the week to fly from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport?

The data is based on the past 12 months and shows the average ticket prices from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport is Saturday, with average fares typically lower than other days. You’ll want to avoid flying on Tuesday, as ticket prices are usually the highest that day.

€779
€639
€499
€359
    Cheapest
  • €666
    Mon
  • €779
    Tue
  • €579
    Wed
  • €640
    Thu
  • €714
    Fri
  • €499
    Sat
  • €706
    Sun

Which airline offers the cheapest flights from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport?

The cheapest airline flying from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport is Delta Air Lines (from €374) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From €374
United Airlines
From €375
Fiji Airways
From €407
Virgin Australia
From €486
American Airlines
From €504
Philippine Airlines
From €597
Qantas Airways
From €608
Cathay Pacific
From €630
Air Canada
From €632
Alaska Airlines
From €633

Find more flights and airlines

What is the flight schedule from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport?

Check the schedule for flights from Sydney to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL040

    Kingsford Smith Intl. Airport

    9:15 AM

    SYD

    14h 50m

    Nonstop

    6:05 AM

    LAX

    S M T W T F S
    Search

  2. DL2980

    Los Angeles Intl. Airport

    7:35 AM

    LAX

    3h

    Nonstop

    10:35 AM

    SEA

    S M T W T F S

  3. UA842

    Kingsford Smith Intl. Airport

    9:00 PM

    SYD

    13h 40m

    Nonstop

    4:40 PM

    LAX

    S M T W T F S
    Search

  4. UA5736

    Los Angeles Intl. Airport

    8:30 AM

    LAX

    3h 5m

    Nonstop

    11:35 AM

    SEA

    S M T W T F S

  5. UA870

    Kingsford Smith Intl. Airport

    10:20 AM

    SYD

    14h 30m

    Nonstop

    6:50 AM

    SFO

    S M T W T F S
    Search

  6. UA2744

    San Francisco Intl. Airport

    12:03 PM

    SFO

    2h 14m

    Nonstop

    2:17 PM

    SEA

    S M T W T F S

  7. DL040

    Kingsford Smith Intl. Airport

    9:15 AM

    SYD

    14h 50m

    Nonstop

    6:05 AM

    LAX

    S M T W T F S
    Search

  8. DL1714

    Los Angeles Intl. Airport

    9:30 AM

    LAX

    3h 1m

    Nonstop

    12:31 PM

    SEA

    S M T W T F S

  9. DL040

    Kingsford Smith Intl. Airport

    9:15 AM

    SYD

    14h 50m

    Nonstop

    6:05 AM

    LAX

    S M T W T F S
    Search

  10. DL1045

    Los Angeles Intl. Airport

    11:10 AM

    LAX

    3h 2m

    Nonstop

    2:12 PM

    SEA

    S M T W T F S

  11. FJ910

    Kingsford Smith Intl. Airport

    2:15 PM

    SYD

    4h

    Nonstop

    7:15 PM

    NAN

    S M T W T F S
    Search

  12. FJ810

    Nadi International Airport

    9:40 PM

    NAN

    10h 25m

    Nonstop

    1:05 PM

    LAX

    S M T W T F S

  13. AS1305

    Los Angeles Intl. Airport

    4:59 PM

    LAX

    2h 51m

    Nonstop

    7:50 PM

    SEA

    S M T W T F S

  14. DL040

    Kingsford Smith Intl. Airport

    9:15 AM

    SYD

    14h 50m

    Nonstop

    6:05 AM

    LAX

    S M T W T F S
    Search

  15. DL2606

    Los Angeles Intl. Airport

    1:50 PM

    LAX

    2h 54m

    Nonstop

    4:44 PM

    SEA

    S M T W T F S

  16. UA870

    Kingsford Smith Intl. Airport

    10:20 AM

    SYD

    14h 30m

    Nonstop

    6:50 AM

    SFO

    S M T W T F S
    Search

  17. UA2279

    San Francisco Intl. Airport

    4:25 PM

    SFO

    2h 19m

    Nonstop

    6:44 PM

    SEA

    S M T W T F S

  18. DL040

    Kingsford Smith Intl. Airport

    9:15 AM

    SYD

    14h 50m

    Nonstop

    6:05 AM

    LAX

    S M T W T F S
    Search

  19. F91177

    Los Angeles Intl. Airport

    5:38 PM

    LAX

    3h

    Nonstop

    8:38 PM

    SEA

    S M T W T F S

  20. FJ910

    Kingsford Smith Intl. Airport

    2:15 PM

    SYD

    4h

    Nonstop

    7:15 PM

    NAN

    S M T W T F S
    Search

  21. FJ810

    Nadi International Airport

    9:40 PM

    NAN

    10h 25m

    Nonstop

    1:05 PM

    LAX

    S M T W T F S

  22. AS1301

    Los Angeles Intl. Airport

    5:50 PM

    LAX

    2h 49m

    Nonstop

    8:39 PM

    SEA

    S M T W T F S
Find more flights and airlines

About Kingsford Smith Intl. Airport and Seattle Tacoma Intl. Airport

Learn about Kingsford Smith Intl. Airport (SYD) and Seattle Tacoma Intl. Airport (SEA) — including location, terminals, transportation, and travel tips.

Flight distance 12,485.04 km
Cheapest one-way ticket price €399
Cheapest return ticket price €650

FAQs for Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport Flights

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
  • One-way flights from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport currently start from €399, and round-trip fares start from €650. The current lowest fare is a Delta Air Lines flight departing on Fri, Nov 6; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Kingsford Smith Intl. Airport to Seattle Tacoma Intl. Airport is €889. Prices may vary depending on the departure date, airline, and availability.
  • Enter Kingsford Smith Intl. Airport and Seattle Tacoma Intl. Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

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.