Cheap flights from Seattle to Adelaide

8 Feb — 15 Feb1
1 adult
Wed 8/2
Wed 15/2

How to find the cheapest flight from Seattle (SEA) to Adelaide (ADL)

All the information you need to plan the best SEA to ADL flight in 2023: compare Seattle to Adelaide flight prices with the expected peak season, weather and rainfall in Adelaide.



C$ 1,166 - C$ 2,364



11 - 21 °C



10 - 60 mm

Popular inMayHigh demand for flights, 26% potential price rise
Cheapest inMarchBest time to find cheap flights, 33% potential price drop
Average priceC$ 2,165Average for round-trip flights in February 2023
Round-trip fromC$ 1,550From Seattle/Tacoma Intl to Adelaide

What is the cheapest month to fly from Seattle to Adelaide?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, March can be a great choice for travel to Adelaide. Flights to Adelaide from Seattle in March are about C$ 2,314 on average during March, but can be found for as low as C$ 1,505.

When is the cheapest time to fly from Seattle to Adelaide (SEA - ADL)?

When flying from Seattle to Adelaide, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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