Cheap Flights from Seattle, WA to Sydney from $592

Return flight: Sydney – Seattle

On Cheapflightsplus.com you will find 347 connecting flights from Seattle to Sydney. You can compare airfare deals from 30 airlines and multiple travel sites from $592, book and save on cheap plane tickets and last minute offers. Also check out SEA-SYD flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Sydney Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $592 (one-way), $1015 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Seattle to Sydney. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
00:10 — 12:10
+2 days
00:10 — 05:20 CI21 China Airlines
Seattle — Taipei
18h 30m stop
23:50 — 12:10 CI51 China Airlines
Taipei — Sydney
41h
including layover
Find flight
from$1103
05:45 — 09:35
+2 days
05:45 — 06:56 AC8801 Air Canada
Seattle — Vancouver
15h 48m stop
22:40 — 09:35 AC33 Air Canada
Vancouver — Sydney
32h 50m
including layover
Find flight
from$607
06:05 — 09:35
+2 days
06:05 — 13:50 AC540 Air Canada
Seattle — Toronto
4h 50m stop
18:40 — 09:35 AC33 Air Canada
Toronto — Sydney
32h 30m
including layover
Find flight
from$1987
06:15 — 09:05
+2 days
06:15 — 09:02 UA1571 United Airlines
Seattle — Los Angeles
13h 38m stop
22:40 — 09:05 UA839 United Airlines
Los Angeles — Sydney
31h 50m
including layover
Find flight
from$1354
07:00 — 19:45
+1 day
08:15 — 12:35 HA21 Hawaiian Airlines
Seattle — Honolulu
55m stop
11:55 — 19:45 HA451 Hawaiian Airlines
Honolulu — Sydney
17h 45m
including layover
Find flight
from$592
07:00 — 19:45
+1 day
07:00 — 11:20 AS8021 Alaska Airlines
Seattle — Honolulu
55m stop
12:20 — 19:45 AS8451 Alaska Airlines
Honolulu — Sydney
17h 45m
including layover
Find flight
from$616
08:40 — 05:55
+2 days
08:40 — 17:40 SQ27 Singapore Airlines
Seattle — Singapore
1h 40m stop
19:20 — 05:55 SQ261 Singapore Airlines
Singapore — Sydney
26h 15m
including layover
Find flight
from$1151
08:40 — 17:55
+2 days
08:40 — 17:40 SQ27 Singapore Airlines
Seattle — Singapore
13h 25m stop
07:05 — 17:55 SQ241 Singapore Airlines
Singapore — Sydney
38h 15m
including layover
Find flight
from$1404
09:20 — 09:15
+2 days
09:20 — 11:39 UA1960 United Airlines
Seattle — San Francisco
11h 16m stop
22:55 — 09:15 UA863 United Airlines
San Francisco — Sydney
28h 55m
including layover
Find flight
from$672
09:20 — 06:20
+2 days
09:20 — 11:39 UA1960 United Airlines
Seattle — San Francisco
8h 31m stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
26h
including layover
Find flight
from$805
10:00 — 19:45
+2 days
08:30 — 12:50 AS887 Alaska Airlines
Seattle — Honolulu
21h 44m stop
11:50 — 19:45 AS8451 Alaska Airlines
Honolulu — Sydney
38h 45m
including layover
Find flight
from$781
10:35 — 09:35
+2 days
10:35 — 11:46 AC8803 Air Canada
Seattle — Vancouver
10h 58m stop
22:40 — 09:35 AC33 Air Canada
Vancouver — Sydney
28h
including layover
Find flight
from$607
11:28 — 19:45
+2 days
11:28 — 15:56 AS626 Alaska Airlines
Seattle — Honolulu
20h 24m stop
12:20 — 19:45 AS8451 Alaska Airlines
Honolulu — Sydney
37h 17m
including layover
Find flight
from$1111
11:30 — 06:10
+2 days
11:30 — 13:41 AS1240 Alaska Airlines
Seattle — San Francisco
6h 34m stop
20:15 — 06:10 QF74 Qantas
San Francisco — Sydney
23h 40m
including layover
Find flight
from$1466
12:50 — 06:20
+2 days
12:50 — 15:09 UA1509 United Airlines
Seattle — San Francisco
5h 1m stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
22h 30m
including layover
Find flight
from$805
12:50 — 09:15
+2 days
12:50 — 15:09 UA1509 United Airlines
Seattle — San Francisco
7h 46m stop
22:55 — 09:15 UA863 United Airlines
San Francisco — Sydney
25h 25m
including layover
Find flight
from$1129
13:55 — 07:25
+2 days
13:55 — 16:36 F91178 Frontier Airlines
Seattle — Los Angeles
4h 44m stop
21:20 — 07:25 QF12 Qantas
Los Angeles — Sydney
22h 30m
including layover
Find flight
from$1212
15:05 — 09:35
+2 days
15:05 — 16:15 AC8807 Air Canada
Seattle — Vancouver
6h 28m stop
22:40 — 09:35 AC33 Air Canada
Vancouver — Sydney
23h 30m
including layover
Find flight
from$607
15:25 — 09:15
+2 days
15:25 — 17:44 UA589 United Airlines
Seattle — San Francisco
5h 11m stop
22:55 — 09:15 UA863 United Airlines
San Francisco — Sydney
22h 50m
including layover
Find flight
from$672
16:58 — 06:20
+2 days
16:58 — 19:10 UA2482 United Airlines
Seattle — San Francisco
1h stop
20:10 — 06:20 UA829 United Airlines
San Francisco — Sydney
18h 22m
including layover
Find flight
from$681
16:59 — 09:00
+2 days
16:56 — 19:45 AS1468 Alaska Airlines
Seattle — Los Angeles
2h 47m stop
22:40 — 09:00 AS6973 Alaska Airlines
Los Angeles — Sydney
21h 1m
including layover
Find flight
from$1268
17:25 — 09:05
+2 days
17:10 — 19:58 UA2397 United Airlines
Seattle — Los Angeles
2h 28m stop
22:40 — 09:05 UA839 United Airlines
Los Angeles — Sydney
20h 40m
including layover
Find flight
from$1157
17:59 — 09:00
+2 days
17:59 — 20:43 AS1054 Alaska Airlines
Seattle — Los Angeles
2h 12m stop
22:55 — 09:00 AS6973 Alaska Airlines
Los Angeles — Sydney
20h 1m
including layover
Find flight
from$1740
18:13 — 09:15
+2 days
12:55 — 15:12 UA737 United Airlines
Seattle — San Francisco
2h 23m stop
22:55 — 09:15 UA863 United Airlines
San Francisco — Sydney
20h 2m
including layover
Find flight
from$674
18:50 — 06:55
+3 days
18:50 — 12:15 IB3506 Iberia
Seattle — London
8h 55m stop
21:10 — 06:55 BA15 British Airways
London — Sydney
41h 5m
including layover
Find flight
from$1869
19:58 — 07:25
+3 days
19:55 — 22:40 AS1223 Alaska Airlines
Seattle — Los Angeles
22h 37m stop
21:20 — 07:25 QF12 Qantas
Los Angeles — Sydney
40h 27m
including layover
Find flight
from$932
19:58 — 06:10
+3 days
19:58 — 22:13 AS3421 Alaska Airlines
Seattle — San Francisco
22h 2m stop
20:15 — 06:10 QF74 Qantas
San Francisco — Sydney
39h 12m
including layover
Find flight
from$1191
21:16 — 07:25
+3 days
21:16 — 00:06 AS1292 Alaska Airlines
Seattle — Los Angeles
21h 21m stop
21:20 — 07:25 QF12 Qantas
Los Angeles — Sydney
39h 9m
including layover
Find flight
from$1461
22:35 — 10:45
+3 days
22:35 — 04:45 PR125 Philippine Airlines
Seattle — Manila
18h 25m stop
23:10 — 10:45 5J39 CEBU Pacific Air
Manila — Sydney
41h 10m
including layover
Find flight
from$684
22:35 — 09:30
+3 days
22:35 — 04:45 PR125 Philippine Airlines
Seattle — Manila
17h 35m stop
22:20 — 09:30 PR211 Philippine Airlines
Manila — Sydney
39h 55m
including layover
Find flight
from$857
23:30 — 12:10
+3 days
23:30 — 04:40 BR23 EVA Airways Corporation
Seattle — Taipei
19h 10m stop
23:50 — 12:10 CI51 China Airlines
Taipei — Sydney
41h 40m
including layover
Find flight
from$1743
23:59 — 06:35
+3 days
23:59 — 05:47 AS576 Alaska Airlines
Seattle — Dallas
14h 38m stop
20:25 — 06:35 QF8 Qantas
Dallas — Sydney
35h 36m
including layover
Find flight
from$1358
*Departure and arrival times - local. Updated on December 21, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Sydney depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Sydney is 12472 miles. Time difference between the cities is 6h. Airplanes depart 00:10 to 23:59 from 3 Seattle airports and arrive 00:10 to 23:59 to 5 Sydney airports. Average flight time is 33h 30m.

  • The fastest flight 17h 45m
  • Average flight time 33h 30m
  • The earliest flight 00:10
  • The latest flight 23:59
  • Distance 7750 ml

The cheapest months to travel to Sydney are february (from 592 $), november (from 612 $), december (from 753 $).

The most expensive months are january (from 805 $), december (from 753 $), november (from 612 $).

What is the lowest airfare Seattle to Sydney?

The cheapest plane ticket found by our users is $592. This airfare is for economy class on one-way HA21 flight by Hawaiian Airlines for February 1, 2025 which leaves Seattle-Tacoma Intl in Seattle at 07:00 am and arrives at Sydney Kingsford Smith at 19:45.

Economy class
$592
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Business class
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First class
?
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Popular Airlines on the Route

The flight Seattle — Sydney is served by 30 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by United Airlines - 42 departures per week at the price of from $ 672 . And the most expensive tickets are offered by WestJet airline - from $ 18510.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 347 flights with layovers on the route. The fastest connecting flight is HA21 by Hawaiian Airlines takes 17h 45m and the cheapest is HA21 by Hawaiian Airlines for $592.

See more connecting flights

Airports

You can fly from Seattle to Sydney from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    from $592
    Find
  • Kenmore Air Harbor SPB-LKE
    from $1979
    Find

Sydney airports

  • Bankstown-BWU
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  • Palm Beach SPB-LBH
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  • Rose Bay-RSE
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  • Kingsford Smith-SYD
    Find
  • Sydney West-SWZ
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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