HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Adelaide

$727+ Cheap flights from Seattle (SEA) to Adelaide (ADL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ADL
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Adelaide with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,262
(Air Canada)

One-way from

$920
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,734
Provider with most accurate pricing for Seattle/Tacoma Intl-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Adelaide flights.
Search Deals
From Seattle/Tacoma Intl to Adelaide
Search Deals
One-way flight from Seattle/Tacoma Intl to Adelaide
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Best time to find cheap flights, 1% potential price drop
Search Deals
Average for round-trip flights in December 2024
Search Deals

Find flight deals from Seattle to Adelaide

Best flights from Seattle to Adelaide
Discover carefully curated flight deals from Seattle to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2024.

This Air Canada deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/17:05 pmSEA - ADL
2 stops28h 15mMultiple Airlines
Sat 2/86:15 amADL - SEA
2 stops22h 05mMultiple Airlines
Deal found 12/18$1,262
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/167:05 pmSEA - ADL
2 stops33h 25mAir Canada
Sat 3/226:50 pmADL - SEA
2 stops41h 05mAir Canada
Deal found 12/17$1,426
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/165:05 pmSEA - ADL
1 stop30h 30mQatar Airways
Sat 3/221:20 pmADL - SEA
2 stops40h 50mQatar Airways
Deal found 12/17$1,535
This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/225:40 pmSEA - ADL
2 stops25h 50mUnited Airlines
Wed 4/308:00 pmADL - SEA
2 stops32h 23mUnited Airlines
Deal found 12/18$1,542
This CheapTickets.ch deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/313:25 pmSEA - ADL
2 stops25h 00mAustrian Airlines
Fri 2/76:10 amADL - SEA
2 stops23h 40mAustrian Airlines
Deal found 12/16$1,551
This Singapore Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/229:40 amSEA - ADL
1 stop29h 35mSingapore Airlines
Wed 4/309:10 amADL - SEA
1 stop40h 05mSingapore Airlines
Deal found 12/18$1,651
This Gotogate deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2210:35 amSEA - ADL
3 stops32h 05mAir New Zealand
Wed 4/306:00 amADL - SEA
3 stops28h 58mAir New Zealand
Deal found 12/18$1,969
This Gotogate deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/314:05 pmSEA - ADL
1 stop34h 15mEmirates
Fri 2/710:40 pmADL - SEA
1 stop32h 25mEmirates
Deal found 12/17$2,428

Find flights from Seattle to Adelaide within your budget

Customize your flight search to find flights from Seattle to Adelaide that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 2/1

7:05 pm-5:50 pm

2 stops28h 15m

Adelaide

Sat 2/8

6:15 am-9:50 am

2 stops22h 05m

$1,262

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sun 3/16

7:05 pm-10:00 pm

2 stops33h 25m

Adelaide

Sat 3/22

6:50 pm-6:25 pm

2 stops41h 05m

$1,426

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sun 3/16

5:05 pm-5:05 pm

1 stop30h 30m

Adelaide

Sat 3/22

1:20 pm-12:40 pm

2 stops40h 50m

$1,535

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 3/22

2:50 pm-1:00 pm

2 stops28h 40m

Adelaide

Wed 4/30

8:00 pm-9:28 pm

3 stops41h 58m

$1,542

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 1/31

3:25 pm-10:55 am

2 stops25h 00m

Adelaide

Fri 2/7

6:10 am-11:20 am

2 stops23h 40m

$1,551

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 3/22

9:40 am-8:45 am

1 stop29h 35m

Adelaide

Wed 4/30

9:10 am-8:45 am

1 stop40h 05m

$1,651

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 3/22

10:35 am-12:10 pm

3 stops32h 05m

Adelaide

Wed 4/30

6:00 am-6:28 pm

3 stops28h 58m

$1,969

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 1/31

4:05 pm-8:50 pm

1 stop34h 15m

Adelaide

Fri 2/7

10:40 pm-12:35 pm

1 stop32h 25m

$2,428

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 5/9

2:55 pm-6:10 pm

2 stops34h 45m

$727

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 1/17

6:31 pm-8:40 am

2 stops43h 39m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 11 results
1
2

Compare providers for flights from Seattle to Adelaide

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Adelaide in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Adelaide flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Adelaide flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Adelaide flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Adelaide

Get recent, data-driven insights about flights from Seattle to Adelaide including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from SEA to ADL?

Find hourly flight availability from Seattle to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

A simple way to save on the total cost of your ticket is to fly from Seattle to Adelaide in the morning. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight at noon.

Rainfall in Adelaide by month

Plan your trip to Adelaide by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Adelaide ranges from 0.4 - 2.4 inches per month. July is typically the wettest month, when rainfall can reach 2.4 in. January is typically the driest time to visit Adelaide when rainfall is around 0.4 in.

Temperature in Adelaide by month

Plan your trip to Adelaide by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Adelaide, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Adelaide. Reviews last updated December 18, 2024.
Emirates
8.1
Very good
3,412 reviews

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Emirates
8.1
Very good
3,412 reviews
Emirates
8.1
Very good
3,412 reviews

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Singapore Airlines
8.1
Very good
1,329 reviews
Emirates
8.1
Very good
3,412 reviews

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Air New Zealand
8.0
Very good
497 reviews
Emirates
8.1
Very good
3,412 reviews

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Austrian Airlines
7.6
Good
787 reviews
Emirates
8.1
Very good
3,412 reviews

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Qatar Airways
7.5
Good
3,798 reviews
Emirates
8.1
Very good
3,412 reviews

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seattle to Adelaide round-trip?

    Air Canada, at $1,426, was found to be the cheapest airline from Seattle to Adelaide.Alternate airlines to your destination round-trip include Qatar Airways and United Airlines. These flights start at 1% lower than the current average price 3 months from now.

  • Can I find deals for flights from Seattle to Adelaide that include hotel bookings?

    Yes. In addition to deals on Seattle to Adelaide flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Adelaide.

  • Can I find deals for business class flights from Seattle to Adelaide?

    Yes. Cheapflights offers flight deals from Seattle to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Adelaide?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Adelaide (average of $1,214). Flying from Seattle to Adelaide in January is currently the most expensive (average of $1,846). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Seattle to Adelaide

Discover the top 2 airlines that operate flights from Seattle to Adelaide. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$1,208Average$1,564FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$1,211Average$1,348FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.