$625 Cheap flight deals from Seattle (SEA) to Adelaide (ADL)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Airfares from $625 One Way, $948 Round Trip from Seattle to Adelaide

Prices starting at $948 for return flights and $625 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.

Sun, Feb 1 - Sun, Feb 15
SEA
Seattle
ADL
Adelaide
$948 Roundtrip, found 5 days ago
$948
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sun, Feb 1 from Seattle to Adelaide, returning Sun, Feb 15, priced at $948 found 5 days ago
Tue, Feb 3 - Tue, Feb 10
SEA
Seattle
ADL
Adelaide
$951 Roundtrip, found 5 days ago
$951
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Feb 3 from Seattle to Adelaide, returning Tue, Feb 10, priced at $951 found 5 days ago
Tue, Mar 10 - Tue, Mar 17
SEA
Seattle
ADL
Adelaide
$1,192 Roundtrip, found 5 days ago
$1,192
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Tue, Mar 10 from Seattle to Adelaide, returning Tue, Mar 17, priced at $1,192 found 5 days ago
Fri, May 1 - Fri, May 8
SEA
Seattle
ADL
Adelaide
$1,650 Roundtrip, found 2 days ago
$1,650
Roundtrip
found 2 days ago
Select Air New Zealand flight, departing Fri, May 1 from Seattle to Adelaide, returning Fri, May 8, priced at $1,650 found 2 days ago
Fri, Jan 9 - Tue, Jan 13
SEA
Seattle
ADL
Adelaide
$1,773 Roundtrip, just found
$1,773
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Jan 9 from Seattle to Adelaide, returning Tue, Jan 13, priced at $1,773 just found

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

Orbitz has your best deals on Seattle to Adelaide flights. From guaranteed low prices to cutting-edge mobile tools, the perfect trip begins on Orbitz.
Get Orbitz On the Go for Flights from Seattle to Adelaide
Use our mobile apps for Android and iPhone to find the best price on flights from Seattle to Adelaide. Check your flight status, gate and baggage claim details, and book exclusive mobile deals on hotels — even on the same day.

Rack Up Miles While Flying for Cheaper

Earn miles or points toward your frequent flyer program on select Seattle to Adelaide flights. When you book your flight on Orbitz, simply add your qualifying frequent flyer number where prompted. You can also store your airline frequent flyer or loyalty program numbers in your Orbitz account profile to automatically add them to your future reservations.

Worry Less With Flight Alerts

Orbitz is the best source for booking flights from Seattle to Adelaide. But we also keep you updated about flight delays, booking changes, or service disruptions with free alerts. Get alerts on Seattle to Adelaide flights sent to your email or via voice or text to your mobile phone. We can also send the alerts to up to 6 other email addresses or phone numbers, which is helpful if you are being picked up at the airport.

Budget Travel Planning Made Easy

It's easy to find discount air tickets for flights from Seattle to Adelaide on Orbitz. Mix and match airlines for your departing and your returning flights to find the lowest fares and the best schedule.

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.