Skip to main content
Beginning of main content

ADL (Adelaide) to SEA (Seattle) Flights $893.51

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap ADL to SEA Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Local Weather Seattle
June 73° 50°
July 77° 54°
August 77° 55°

Interesting Facts About Flights from Adelaide to Seattle (ADL to SEA)

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : The lowest-cost day to fly in July is Sunday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.

Question : How long do most people stay in Seattle?
Answer : Of course you're not most people, but if you were, you'd stay roughly seven days.

Question : Who's offering the cheapest round-trip flight to Seattle-Tacoma International Airport (SEA) over the coming months?
Answer : Delta Air Lines is the leader in keeping costs down for their passengers over the next three months. Fares are being booked at just $1000 and, when compared to the more expensive bookings of $6,709, it's quite a deal.

Question : What price range should you expect when booking from Adelaide (ADL) to Seattle (SEA)?
Answer : Flight prices are fluctuating much more for this route than most routes from Australia, as they're ranging anywhere from $1000 to $6,709. Prices tend to be lower the further out you book.