$729 Cheap flight deals from Seattle (SEA) to Adelaide (ADL)

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Airfares from $729 One Way, $1,332 Round Trip from Seattle to Adelaide

Prices starting at $1,332 for return flights and $729 for one-way flights to Adelaide were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 4 - Thu, Jun 11
SEA
Seattle
ADL
Adelaide
$1,332 Roundtrip, found 4 days ago
$1,332
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Jun 4 from Seattle to Adelaide, returning Thu, Jun 11, priced at $1,332 found 4 days ago
Thu, Jun 4 - Thu, Jun 11
SEA
Seattle
ADL
Adelaide
$1,399 Roundtrip, found 4 days ago
$1,399
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Jun 4 from Seattle to Adelaide, returning Thu, Jun 11, priced at $1,399 found 4 days ago
Fri, Feb 12 - Sun, Feb 21
SEA
Seattle
ADL
Adelaide
$1,812 Roundtrip, found 5 days ago
$1,812
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Fri, Feb 12 from Seattle to Adelaide, returning Sun, Feb 21, priced at $1,812 found 5 days ago
Fri, Sep 4 - Mon, Sep 14
SEA
Seattle
ADL
Adelaide
$1,852 Roundtrip, found 6 days ago
$1,852
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Fri, Sep 4 from Seattle to Adelaide, returning Mon, Sep 14, priced at $1,852 found 6 days ago
Tue, Feb 16 - Tue, Mar 2
SEA
Seattle
ADL
Adelaide
$1,983 Roundtrip, found 5 days ago
$1,983
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Feb 16 from Seattle to Adelaide, returning Tue, Mar 2, priced at $1,983 found 5 days ago

More About Flying To Adelaide from Seattle

Route Information for Flights from Seattle to Adelaide

Origin Airport IATA Code
SEA
Destination Airport IATA Code
ADL
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Seattle to Adelaide

Planning a trip is rarely straight forward, especially when searching for cheap deals. At Orbitz.com, we make it easier than anywhere else by providing you with guaranteed low prices. So if you are looking for Seattle to Adelaide flights at low cost, you will not be disappointed.

Cruising for a bargain deal

Regardless of your destination, we always provide you fantastic bargains for your trip, and that includes on hotels and even cruises. We offer budget air fares on flights from Seattle to Adelaide so you can reach your destination with more money in your pocket to spend.

Cheap Seattle to Adelaide flights that lead to rewards

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Quality combinations

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Even last minute bookings on our apps

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Frequently asked questions

What is the shortest flight from Seattle to Adelaide?
The journey from Seattle to Adelaide can be as fast as 2 hours and 55 minutes. With a short and sweet flight time like this, why not book a spontaneous getaway?
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.