United Airlines Seattle to Sydney Flights

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Cheapflightsplus.com will find cheap United Airlines flights from Seattle to Sydney. Compare airline ticket prices and book air tickets starting from $672 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 december: one-way - $672, two-way – $1152.

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Cheap Flights from Seattle to Sydney by United Airlines

Look at the list of plane tickets for the most connecting flights by United Airlines, their prices start from $672. There’re no direct flights. The fastest connecting flight – 18h 22m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $672 Find flight	9:20 am Seattle Seattle-Tacoma Intl	9:15 am+2 дня Sydney Kingsford Smith	28h 55m layover 11h 16m - San Francisco	United Airlines	UA1960 UA863
from $672 Find flight	3:25 pm Seattle Seattle-Tacoma Intl	9:15 am+2 дня Sydney Kingsford Smith	22h 50m layover 5h 11m - San Francisco	United Airlines	UA589 UA863
from $674 Find flight	6:13 pm Seattle Seattle-Tacoma Intl	9:15 am+2 дня Sydney Kingsford Smith	20h 2m layover 2h 23m - San Francisco	United Airlines	UA737 UA863
from $805 Find flight	12:50 pm Seattle Seattle-Tacoma Intl	6:20 am+2 дня Sydney Kingsford Smith	22h 30m layover 5h 1m - San Francisco	United Airlines	UA1509 UA829
from $1157 Find flight	5:25 pm Seattle Seattle-Tacoma Intl	9:05 am+2 дня Sydney Kingsford Smith	20h 40m layover 2h 28m - Los Angeles	United Airlines	UA2397 UA839
from $672 Find flight	9:00 am Seattle Seattle-Tacoma Intl	7:00 am+2 дня Sydney Kingsford Smith	27h 0m layover 1h 2m - Denver 3h 9m - Houston	United Airlines	UA1829 UA271 UA101
from $672 Find flight	7:00 am Seattle Seattle-Tacoma Intl	7:00 am+2 дня Sydney Kingsford Smith	29h 0m layover 0h 56m - Chicago 3h 21m - Houston	United Airlines	UA1373 UA1373 UA101
from $672 Find flight	7:00 am Seattle Seattle-Tacoma Intl	7:00 am+2 дня Sydney Kingsford Smith	29h 0m layover 2h 34m - Chicago 1h 42m - Houston	United Airlines	UA1373 UA2678 UA101
from $672 Find flight	12:35 pm Seattle Seattle-Tacoma Intl	9:15 am+2 дня Sydney Kingsford Smith	25h 40m layover 3h 3m - Denver 1h 46m - San Francisco	United Airlines	UA1483 UA281 UA863
from $672 Find flight	12:35 pm Seattle Seattle-Tacoma Intl	9:15 am+2 дня Sydney Kingsford Smith	25h 40m layover 1h 3m - Denver 3h 44m - San Francisco	United Airlines	UA1483 UA1076 UA863
from $674 Find flight	12:35 pm Seattle Seattle-Tacoma Intl	9:05 am+2 дня Sydney Kingsford Smith	25h 30m layover 3h 28m - Denver 1h 19m - Los Angeles	United Airlines	UA1483 UA1368 UA839
from $674 Find flight	12:35 pm Seattle Seattle-Tacoma Intl	9:05 am+2 дня Sydney Kingsford Smith	25h 30m layover 1h 17m - Denver 3h 29m - Los Angeles	United Airlines	UA1483 UA2240 UA839
from $674 Find flight	3:18 pm Seattle Seattle-Tacoma Intl	9:05 am+2 дня Sydney Kingsford Smith	22h 47m layover 0h 45m - Denver 1h 19m - Los Angeles	United Airlines	UA757 UA1368 UA839
from $677 Find flight	7:00 am Seattle Seattle-Tacoma Intl	9:05 am+2 дня Sydney Kingsford Smith	31h 5m layover 1h 23m - Houston 5h 54m - Los Angeles	United Airlines	UA1788 UA1945 UA839
from $677 Find flight	6:15 am Seattle Seattle-Tacoma Intl	7:00 am+2 дня Sydney Kingsford Smith	29h 45m layover 1h 13m - Los Angeles 4h 49m - Houston	United Airlines	UA1571 UA1571 UA101
from $1333 Find flight	9:20 am Seattle Seattle-Tacoma Intl	9:05 am+2 дня Sydney Kingsford Smith	28h 45m layover 3h 41m - San Francisco 5h 49m - Los Angeles	United Airlines	UA1960 UA1960 UA839

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 12/21/2024

United Airlines Flight Schedule Seattle to Sydney

Below is a detailed 2025 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	Flight Details	Flight Time	Price
3:25 pm — 9:15 am +2 days	3:25 pm — 5:44 pm UA589 United Airlines Seattle — San Francisco 5h 11m stop 10:55 pm — 9:15 am UA863 United Airlines San Francisco — Sydney	22h 50m including layover	Find flight from$672
4:58 pm — 6:20 am +2 days	4:58 pm — 7:10 pm UA2482 United Airlines Seattle — San Francisco 1h stop 8:10 pm — 6:20 am UA829 United Airlines San Francisco — Sydney	18h 22m including layover	Find flight from$681
6:13 pm — 9:15 am +2 days	12:55 pm — 3:12 pm UA737 United Airlines Seattle — San Francisco 2h 23m stop 10:55 pm — 9:15 am UA863 United Airlines San Francisco — Sydney	20h 2m including layover	Find flight from$674
9:20 am — 9:15 am +2 days	9:20 am — 11:39 am UA1960 United Airlines Seattle — San Francisco 11h 16m stop 10:55 pm — 9:15 am UA863 United Airlines San Francisco — Sydney	28h 55m including layover	Find flight from$672
12:35 pm — 9:15 am +2 days	12:35 pm — 4:17 pm UA1483 United Airlines Seattle — Denver 3h 3m stop 7:20 pm — 9:09 pm UA281 United Airlines Denver — San Francisco 1h 46m stop 10:55 pm — 9:15 am UA863 United Airlines San Francisco — Sydney	25h 40m including layover	Find flight from$672
12:35 pm — 9:15 am +2 days	12:35 pm — 4:17 pm UA1483 United Airlines Seattle — Denver 1h 3m stop 5:20 pm — 7:11 pm UA1076 United Airlines Denver — San Francisco 3h 44m stop 10:55 pm — 9:15 am UA863 United Airlines San Francisco — Sydney	25h 40m including layover	Find flight from$672
3:18 pm — 9:05 am +2 days	3:18 pm — 7:00 pm UA757 United Airlines Seattle — Denver 45m stop 7:45 pm — 9:21 pm UA1368 United Airlines Denver — Los Angeles 1h 19m stop 10:40 pm — 9:05 am UA839 United Airlines Los Angeles — Sydney	22h 47m including layover	Find flight from$674
5:00 am — 7:00 am +2 days	5:00 am — 8:43 am UA2269 United Airlines Seattle — Denver 57m stop 9:40 am — 1:11 pm UA2676 United Airlines Denver — Houston 7h 14m stop 8:25 pm — 7:00 am UA101 United Airlines Houston — Sydney	31h including layover	Find flight from$677
5:00 am — 9:05 am +2 days	5:00 am — 8:43 am UA2269 United Airlines Seattle — Denver 2h 44m stop 11:27 am — 1:03 pm UA1013 United Airlines Denver — Los Angeles 9h 37m stop 10:40 pm — 9:05 am UA839 United Airlines Los Angeles — Sydney	33h 5m including layover	Find flight from$677
6:15 am — 7:00 am +2 days	6:15 am — 9:02 am UA1571 United Airlines Seattle — Los Angeles 1h 13m stop 10:15 am — 3:36 pm UA1571 United Airlines Los Angeles — Houston 4h 49m stop 8:25 pm — 7:00 am UA101 United Airlines Houston — Sydney	29h 45m including layover	Find flight from$677
7:00 am — 7:00 am +2 days	7:00 am — 1:06 pm UA1373 United Airlines Seattle — Chicago 56m stop 2:02 pm — 5:04 pm UA1373 United Airlines Chicago — Houston 3h 21m stop 8:25 pm — 7:00 am UA101 United Airlines Houston — Sydney	29h including layover	Find flight from$672
7:00 am — 7:00 am +2 days	7:00 am — 1:06 pm UA1373 United Airlines Seattle — Chicago 2h 34m stop 3:40 pm — 6:43 pm UA2678 United Airlines Chicago — Houston 1h 42m stop 8:25 pm — 7:00 am UA101 United Airlines Houston — Sydney	29h including layover	Find flight from$672
9:00 am — 7:00 am +2 days	9:00 am — 12:43 pm UA1829 United Airlines Seattle — Denver 1h 2m stop 1:45 pm — 5:16 pm UA271 United Airlines Denver — Houston 3h 9m stop 8:25 pm — 7:00 am UA101 United Airlines Houston — Sydney	27h including layover	Find flight from$672

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 12/21/2024

Flight Information

There are 43 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 12:35 pm to 9:20 am. Nonstop flight is 18h 22m. The time difference between Seattle and Sydney is 6h.

The fastest flight 18h 22m
Average flight time 29h 5m
The earliest flight 12:35 pm
The latest flight 9:20 am
Distance 7750 ml

The cheapest months for traveling to Sydney are november (from 668 $), february (from 672 $), january (from 805 $).

The cheapest flight by United Airlines that our users were able to find is $672. This airfare is economy class on one-way UA1829 flight for February 1, 2025 leaving Seattle-Tacoma Intl in Seattle at 9:00 am, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from Seattle to Sydney:

Other Popular Airlines on the Route

Besides United Airlines there are other 29 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):

QF - Qantas

from $1657

Find
AC - Air Canada

from $607

Find
EK - Emirates

from $1689

Find
OZ - Asiana Airlines

from $1136

Find
HA - Hawaiian Airlines

from $592

Find
PR - Philippine Airlines

from $684

Find
JL - Japan Airlines - JAL

from $1508

Find
FJ - Air Pacific

from $1547

Find
NZ - Air New Zealand Limited

from $1101

Find
HU - Hainan Airlines

from $3751

Find
BR - EVA Airways Corporation

from $1130

Find

See more connecting flights

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