United Airlines Seattle to Sydney Flights

Return flight: Sydney – Seattle

Cheapflightsplus.com will find cheap United Airlines flights from Seattle to Sydney. Compare airline ticket prices and book air tickets starting from $568 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — Sydney by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in may: one-way - $568, two-way – $974.
Direct flights
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Below is a detailed 2024 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:55 am — 8:00 am
+2 days
10:55 am — 1:14 pm UA1909 United Airlines
Seattle — San Francisco
9h 51m stop
11:05 pm — 8:00 am UA863 United Airlines
San Francisco — Sydney
27h 5m
including layover
Find flight
from$786
2:15 pm — 7:00 am
+2 days
2:15 pm — 8:30 pm UA1696 United Airlines
Seattle — Houston
2h 10m stop
10:40 pm — 7:00 am UA101 United Airlines
Houston — Sydney
23h 45m
including layover
Find flight
from$792
2:20 pm — 7:00 am
+2 days
2:20 pm — 8:35 pm UA2207 United Airlines
Seattle — Houston
50m stop
9:25 pm — 7:00 am UA101 United Airlines
Houston — Sydney
22h 40m
including layover
Find flight
from$786
8:17 am — 7:00 am
+2 days
8:17 am — 7:37 pm UA1201 United Airlines
Seattle — Houston
48m stop
8:25 pm — 7:00 am UA101 United Airlines
Houston — Sydney
27h 43m
including layover
Find flight
from$816
10:55 am — 12:00 pm
+2 days
10:55 am — 1:14 pm UA1909 United Airlines
Seattle — San Francisco
7h 46m stop
9:00 pm — 5:10 am FJ871 Air Pacific
San Francisco — Nadi
4h 20m stop
9:30 am — 12:00 pm FJ911 Air Pacific
Nadi — Sydney
30h 5m
including layover
Find flight
from$714
11:05 am — 7:00 am
+2 days
11:05 am — 2:40 pm UA2488 United Airlines
Seattle — Denver
1h stop
3:40 pm — 7:00 pm UA489 United Airlines
Denver — Houston
1h 25m stop
8:25 pm — 7:00 am UA101 United Airlines
Houston — Sydney
24h 55m
including layover
Find flight
from$787
11:05 pm — 7:55 am
+3 days
11:05 pm — 5:01 am UA2497 United Airlines
Seattle — Chicago
2h 59m stop
8:00 am — 10:40 am UA1883 United Airlines
Chicago — Houston
12h stop
10:40 pm — 7:55 am UA101 United Airlines
Houston — Sydney
38h 50m
including layover
Find flight
from$786
12:15 pm — 12:45 pm
+2 days
12:15 pm — 2:58 pm UA5782 United Airlines
Seattle — Los Angeles
8h 2m stop
11:00 pm — 4:40 am FJ811 Air Pacific
Los Angeles — Nadi
4h 20m stop
9:00 am — 12:45 pm FJ911 Air Pacific
Nadi — Sydney
30h 30m
including layover
Find flight
from$607
12:15 pm — 9:50 pm
+2 days
12:15 pm — 2:58 pm UA5782 United Airlines
Seattle — Los Angeles
6h 32m stop
9:30 pm — 5:15 am FJ811 Air Pacific
Los Angeles — Nadi
13h 45m stop
7:00 pm — 9:50 pm FJ915 Air Pacific
Nadi — Sydney
38h 35m
including layover
Find flight
from$608
1:18 pm — 6:40 am
+2 days
1:18 pm — 4:53 pm UA738 United Airlines
Seattle — Denver
2h 2m stop
6:55 pm — 8:31 pm UA257 United Airlines
Denver — San Francisco
2h 14m stop
10:45 pm — 6:40 am UA863 United Airlines
San Francisco — Sydney
24h 22m
including layover
Find flight
from$788
1:18 pm — 6:40 am
+2 days
1:18 pm — 4:53 pm UA738 United Airlines
Seattle — Denver
45m stop
5:38 pm — 7:19 pm UA737 United Airlines
Denver — San Francisco
3h 26m stop
10:45 pm — 6:40 am UA863 United Airlines
San Francisco — Sydney
24h 22m
including layover
Find flight
from$788
3:38 pm — 6:40 am
+2 days
3:38 pm — 7:25 pm UA1946 United Airlines
Seattle — Denver
41m stop
8:06 pm — 9:44 pm UA2114 United Airlines
Denver — San Francisco
1h 1m stop
10:45 pm — 6:40 am UA863 United Airlines
San Francisco — Sydney
22h 2m
including layover
Find flight
from$788
4:22 pm — 8:00 am
+3 days
4:22 pm — 6:23 pm UA2050 United Airlines
Seattle — San Francisco
4h 27m stop
10:50 pm — 8:55 am UA917 United Airlines
San Francisco — Auckland
21h 25m stop
6:20 am — 8:00 am JQ202 Jetstar Airways
Auckland — Sydney
44h 38m
including layover
Find flight
from$628
4:22 pm — 9:55 pm
+2 days
4:22 pm — 6:23 pm UA2050 United Airlines
Seattle — San Francisco
4h 37m stop
11:00 pm — 5:10 am FJ871 Air Pacific
San Francisco — Nadi
12h 50m stop
6:00 pm — 9:55 pm FJ915 Air Pacific
Nadi — Sydney
35h 33m
including layover
Find flight
from$656
5:04 pm — 6:45 am
+2 days
5:04 pm — 7:06 pm UA587 United Airlines
Seattle — San Francisco
54m stop
8:00 pm — 9:38 pm UA1597 United Airlines
San Francisco — Los Angeles
1h 2m stop
10:40 pm — 6:45 am UA839 United Airlines
Los Angeles — Sydney
20h 41m
including layover
Find flight
from$788
5:30 am — 8:30 pm
+2 days
5:30 am — 7:37 am UA368 United Airlines
Seattle — San Francisco
3h 43m stop
11:20 am — 2:35 pm UA837 United Airlines
San Francisco — Tokyo
2h 45m stop
5:20 pm — 11:35 pm UA7962 United Airlines
Tokyo — Sydney
45h
including layover
Find flight
from$696
6:00 pm — 6:10 am
+3 days
6:00 pm — 8:02 pm UA214 United Airlines
Seattle — San Francisco
2h 38m stop
10:40 pm — 6:15 am UA1 United Airlines
San Francisco — Singapore
13h 15m stop
7:30 pm — 6:10 am QF2 Qantas
Singapore — Sydney
42h 10m
including layover
Find flight
from$644
6:01 pm — 8:00 am
+3 days
6:01 pm — 8:10 pm UA214 United Airlines
Seattle — San Francisco
2h 40m stop
10:50 pm — 8:55 am UA917 United Airlines
San Francisco — Auckland
21h 25m stop
6:20 am — 8:00 am JQ202 Jetstar Airways
Auckland — Sydney
42h 59m
including layover
Find flight
from$628
7:05 pm — 6:10 am
+3 days
7:05 pm — 9:55 pm UA5191 United Airlines
Seattle — Los Angeles
1h 25m stop
11:20 pm — 7:35 am UA37 United Airlines
Los Angeles — Singapore
11h 55m stop
7:30 pm — 6:10 am QF2 Qantas
Singapore — Sydney
41h 5m
including layover
Find flight
from$568
7:05 pm — 8:30 pm
+3 days
7:05 pm — 9:55 pm UA5191 United Airlines
Seattle — Los Angeles
1h 25m stop
11:20 pm — 7:35 am UA37 United Airlines
Los Angeles — Singapore
13h 55m stop
9:30 pm — 10:35 pm OD806 Malindo Air
Singapore — Sydney
55h 25m
including layover
Find flight
from$590
8:40 am — 7:00 am
+2 days
8:40 am — 12:11 pm UA403 United Airlines
Seattle — Denver
1h 24m stop
1:35 pm — 4:56 pm UA313 United Airlines
Denver — Houston
3h 29m stop
8:25 pm — 7:00 am UA101 United Airlines
Houston — Sydney
27h 20m
including layover
Find flight
from$787
9:26 am — 10:50 am
+2 days
9:26 am — 11:44 am UA698 United Airlines
Seattle — San Francisco
1h 21m stop
1:05 pm — 6:45 pm UA869 United Airlines
San Francisco — Hong Kong
4h 40m stop
11:25 pm — 10:50 am QF118 Qantas
Hong Kong — Sydney
32h 24m
including layover
Find flight
from$782
9:39 am — 7:00 am
+2 days
9:39 am — 11:58 am UA5795 United Airlines
Seattle — San Francisco
1h 2m stop
1:00 pm — 6:50 pm UA1578 United Airlines
San Francisco — Houston
1h 35m stop
8:25 pm — 7:00 am UA101 United Airlines
Houston — Sydney
26h 21m
including layover
Find flight
from$787
*Departure and arrival times are local. Last updated on 05/04/2024

Flight Information

There are 145 flights by United Airlines from Seattle to Sydney every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Kingsford Smith, Bankstown, Palm Beach SPB, Rose Bay, Sydney West.

Departures start from 10:51 am to 9:39 am. Nonstop flight is 18h 25m. The time difference between Seattle and Sydney is 6h.

  • The fastest flight 18h 25m
  • Average flight time 27h 7m
  • The earliest flight 10:51 am
  • The latest flight 9:39 am
  • Distance 7750 ml

The cheapest flight by United Airlines that our users were able to find is $568. This airfare is economy class on one-way UA5191 flight for October 4, 2018 leaving Seattle-Tacoma Intl in Seattle at 7:05 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 16 airline carriers between Seattle and Sydney. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to Sydney.

Nonstop flights

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

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Connecting Flights

List of flights with layovers (1 and more stops):

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  • QR - Qatar Airways
    from $648
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  • JL - Japan Airlines - JAL
    from $683
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  • FJ - Air Pacific
    from $658
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  • NZ - Air New Zealand Limited
    from $670
    Find
  • BR - EVA Airways Corporation
    from $1395
    Find
  • AS - Alaska Airlines
    from $499
    Find
  • F9 - Frontier Airlines
    from $1102
    Find
See more connecting flights

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