Cheap Flights from Adelaide to Seattle
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Prices are from searches made in the last 24 hours and current prices may differ.
Do you need to catch a flight to Adelaide? Check out our domestic flights to Adelaide. If Adelaide is not your closest airport, then here are all our flights to Seattle from United Kingdom and flights to United States (USA). Maybe a different destination? Here are all the flights from Adelaide
Cheapest Adelaide to Seattle Return Prices
These are the cheapest prices for Adelaide to Seattle return airfares.
May 2026
£710
Average Adelaide to Seattle Return Prices
These are the average prices for Adelaide to Seattle return airfares.
April 2026
£1,429
May 2026
£1,272
Did you know...
- SeaTac Light Rail Station train station is 1 km from Seattle airport.
- Seattle is 17 hours and 30 minutes after Adelaide. You will probably be jetlagged for 1-2 days.
- Seattle has the IATA code of SEA and Adelaide is ADL.
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