Cheap flights from Seattle, WA to Sydney, Australia

Flights starting at $658. Choose between Alaska Airlines, Jetstar Airways, or Qantas to find the best price.

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How much do flights to Sydney cost?

Key info about flying to Sydney

Depart from
Seattle–Tacoma International
Arrive to
Sydney
Average flights per week
277
Flight distance
Worth visiting
Blue Mountains - Sydney Opera House

Check-in for a flight from Seattle to Sydney

NameCarrier codeIATA CodePassport needed during booking
Alaska AirlinesASAASNo
Jetstar AirwaysJSTJQNo
QantasQFAQFYes
Hawaiian AirlinesHALHANo
China AirlinesCALCIYes

Weather in Sydney

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January26°C20°C
February25°C20°C
March24°C19°C
April22°C16°C
May19°C13°C
June17°C11°C
July16°C10°C
August18°C10°C
September20°C12°C
October21°C14°C
November23°C16°C
December24°C18°C
Hottest Month
26°C
January
Coldest month
10°C
July
Sunny days
304
days per year

14 day forecast

Thursday
5 Dec
24°C19°C
12 Dec
81%
20°C17°C
Friday
6 Dec
86%
26°C21°C
13 Dec
89%
19°C17°C
Saturday
7 Dec
78%
31°C21°C
14 Dec
84%
23°C19°C
Sunday
8 Dec
80%
23°C18°C
15 Dec
85%
24°C21°C
Monday
9 Dec
88%
20°C18°C
16 Dec
81%
24°C20°C
Tuesday
10 Dec
26°C19°C
17 Dec
25°C19°C
Wednesday
11 Dec
23°C19°C
18 Dec
26°C19°C
Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Sydney. The most popular airlines for this route are Alaska Airlines, Jetstar Airways, Qantas, Hawaiian Airlines, and China Airlines. Seattle and Sydney have 277 direct flights per week. When you arrive at Sydney, consider visiting Blue Mountains, and Sydney Opera House.

Frequently asked questions

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Which airlines fly between Seattle and Sydney?
When's the best time to travel between Seattle and Sydney?
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How many airports are there near Seattle?
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What time do nonstop (direct) flights between Seattle and Sydney depart?
What time do nonstop (direct) flights between Seattle and Sydney arrive?
What time do flights between Seattle and Sydney depart?
What time do flights between Seattle and Sydney arrive?

The nearest countries with flights to Sydney

Here is a list of countries people are flying from

Other destination countries from Seattle

Here is a list of countries people are flying to
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