How to get from Seattle to Sydney: connecting flights, about 20h 3m total

Flights from Seattle to Sydney

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Best fares from Seattle to Sydney

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $549 29 January 2027, with a connection Cheapest month March 2027 tickets from $472

Where to connect

Options with one connection, fastest first

fastest, via Honolulu: 20h 3m
two tickets, via Los Angeles: $584
connection options: 5
straight-line distance: 7,748 mi (12,470 km)

fastest

Via Honolulu

20h 3m

with the connection

Seattle to Honolulu flight 6h 20m

Connection of about 3h

Honolulu to Sydney flight 10h 43m

two ticketsfrom $914

Via Vancouver

Canada

20h 21m

with the connection

Seattle to Vancouver flight 2h 6m

Connection of about 3h

Vancouver to Sydney flight 15h 15m

two ticketsfrom $1,105

Via San Francisco

20h 28m

with the connection

Seattle to San Francisco flight 2h 15m

Connection of about 3h Arrival: Metropolitan Oakland International, Norman Y. Mineta San Jose International, San Francisco International. Departure to Sydney: San Francisco International.

San Francisco to Sydney flight 15h 13m

two ticketsfrom $1,324

Via Los Angeles

21h 7m

with the connection

Seattle to Los Angeles flight 2h 59m

Connection of about 3h Arrival: Long Beach, Los Angeles International, Ontario International. Departure to Sydney: Los Angeles International.

Los Angeles to Sydney flight 15h 8m

two ticketsfrom $584

Via Tokyo

Japan

23h 10m

with the connection

Seattle to Tokyo flight 10h 30m

Connection of about 3h Arrival: Haneda, Narita International. Departure to Sydney: Haneda.

Tokyo to Sydney flight 9h 40m

two ticketsfrom $829

One ticket or two

How the options are calculated and what to keep in mind at the connection

Flight times come from the nonstop schedule (estimated from the distance where there is no schedule), with 3h allowed for the connection. The price of an option is the sum of the lowest known fares for each leg; their dates may not match, so treat it as a guide. The search shows tickets for your dates, including connections on a single ticket.

When to visit Sydney

Weather by month

Best time to visit: June, July and September, +17° to +21° by day, sea +18° to +20°. In November it is +24° by day and +15° at night, sea +20°, with 13 rainy days.

Jan

+26° +19° +22° 16 days

Feb

+26° +19° +23° 16 days

Mar

+25° +18° +23° 16 days

Apr

+22° +14° +22° 12 days

May

+19° +11° +21° 12 days

Jun

+17° +8° +20° 7 days

Jul

+17° +8° +18° 9 days

Aug

+19° +9° +18° 9 days

Sep

+21° +11° +19° 7 days

Oct

+23° +13° +19° 12 days

Nov

+24° +15° +20° 13 days

Dec

+26° +17° +21° 10 days

Daytime and night temperatures in °C, sea temperature (in blue), rainy days. Months with the most comfortable weather are in green. Long-term averages.

Nearest nonstop flights

The closest you can get without a connection

From Seattle to cities closest to Sydney

Seattle to Manila Manila: 3,895 mi (6,268 km) from Sydney, flight 14h 35m from $875 Seattle to Singapore Singapore: 3,918 mi (6,306 km) from Sydney, flight 17h 5m from $291 Seattle to Taipei Taipei: 4,511 mi (7,260 km) from Sydney, flight 13h 10m from $906 Seattle to Hong Kong Hong Kong: 4,583 mi (7,375 km) from Sydney, flight 14h 10m from $352 Seattle to Tokyo Tokyo: 4,863 mi (7,826 km) from Sydney, flight 10h 30m from $323 Seattle to Shanghai Shanghai: 4,897 mi (7,881 km) from Sydney, flight 12h 55m from $807

To Sydney from cities closest to Seattle

Vancouver to Sydney Vancouver: 121 mi (195 km) from Seattle, flight 15h 15m from $605 San Francisco to Sydney San Francisco: 679 mi (1,093 km) from Seattle, flight 15h 13m from $662 Los Angeles to Sydney Los Angeles: 960 mi (1,545 km) from Seattle, flight 15h 8m from $496 Dallas to Sydney Dallas: 1,680 mi (2,703 km) from Seattle, flight 17h 5m from $879 Toronto to Sydney Toronto: 2,066 mi (3,325 km) from Seattle, flight 22h 38m from $646 New York to Sydney New York: 2,402 mi (3,865 km) from Seattle, flight 23h from $587

Frequently asked questions

Is there a nonstop flight from Seattle to Sydney?

There are no nonstop flights in the schedule. You will need a connection, the fastest is via Honolulu.

What is the fastest way to fly from Seattle to Sydney?

Via Honolulu: 6h 20m to the connection, 10h 43m after it, about 20h 3m in total with 3h for the connection.

How much does a flight from Seattle to Sydney with a connection cost?

Two nonstop tickets via Los Angeles from $584. This is the sum of the lowest known prices for each leg, and their dates may not match.

Which cities can you connect in between Seattle and Sydney?

Honolulu (20h 3m total), Vancouver (20h 21m total), San Francisco (20h 28m total), Los Angeles (21h 7m total) and Tokyo (23h 10m total).

How far is Sydney from Seattle?

7,748 mi (12,470 km) in a straight line between the cities.

How much time should I allow for the connection?

The options allow 3h. On a single ticket the carrier is responsible for the connection; on separate tickets you set the margin yourself, allowing time to collect and re-check your bags.