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Cheap flights from Seattle to Adelaide from $1,154

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ADL
24 Dec — 31 Dec1
1 adult

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 19 December 2024.

Round-trip from

$2,003

One-way from

$1,154

Popular in

December

Cheapest in

August

Average price

$2,753
1/2-8/2
  • 1/2-8/2
  • 4 total stops
  • 50h 20m total
  • Seattle to Adelaide
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Air Canada
  • Air Canada
  • 9/5
  • 2 total stops
  • 34h 45m total
  • Seattle to Adelaide
Search Deals
High demand for flights, 6% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Seattle to Adelaide

Cheapest flights from Seattle to Adelaide
Explore the most affordable flight options available from Seattle to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 December 2024.

Wed 25/1216:05SEA - ADL
1 stop30h 30mMultiple Airlines
Wed 15/108:20ADL - SEA
2 stops40h 30mMultiple Airlines
Deal found 18/12$3,921
Sat 21/1210:35SEA - ADL
2 stops37h 05mAir Canada
Wed 15/119:45ADL - SEA
2 stops37h 15mAir Canada
Deal found 18/12$4,848
Wed 25/1216:05SEA - ADL
1 stop30h 30mQatar Airways
Wed 15/122:00ADL - SEA
1 stop32h 10mQatar Airways
Deal found 18/12$5,226
Sat 21/1217:47SEA - ADL
3 stops47h 03mCathay Pacific
Wed 15/112:00ADL - SEA
3 stops40h 30mCathay Pacific
Deal found 18/12$7,250

Find flights from Seattle to Adelaide within your budget

Customise 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 647,157 searches. Data last updated 19 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 1/2

19:05-17:50

2 stops28h 15m

Adelaide

Sat 8/2

06:15-09:50

2 stops22h 05m

$2,003

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sun 16/3

15:05-16:20

2 stops31h 45m

Adelaide

Sat 22/3

18:50-14:30

2 stops37h 10m

$2,264

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sun 16/3

17:05-17:05

1 stop30h 30m

Adelaide

Sat 22/3

18:20-12:40

2 stops35h 50m

$2,437

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sun 2/2

09:20-13:00

3 stops33h 10m

Adelaide

Sun 9/2

06:10-19:08

2 stops31h 28m

$2,443

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 22/3

09:40-08:45

1 stop29h 35m

Adelaide

Wed 30/4

09:10-08:45

1 stop40h 05m

$2,621

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 22/3

10:35-12:10

3 stops32h 05m

Adelaide

Wed 30/4

06:00-18:28

3 stops28h 58m

$3,126

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 10/1

16:05-20:50

1 stop34h 15m

Adelaide

Thu 23/1

22:40-12:35

1 stop32h 25m

$5,499

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 9/5

14:55-18:10

2 stops34h 45m

$1,154

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 17/1

18:31-08:40

2 stops43h 39m

$1,461

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 9/5

16:30-15:30

1 stop30h 30m

$2,308

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 11 results
1
2

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 return 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.

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 10.0 - 60.0 inches per month. July is typically the wettest month, when rainfall can reach 60.0 mm. January is typically the driest time to visit Adelaide when rainfall is around 10.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

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 19 December 2024.
Peruse reviews from past customers who have flown with Qatar Airways and Air Canada from Seattle to Adelaide to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,410 reviews
Check prices

Crew

8.3

Overall

8.1

Comfort

8.0

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
3,410 reviews
Emirates
8.1
Very Good
3,410 reviews
Check prices

Crew

8.3

Overall

8.1

Comfort

8.0

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
1,331 reviews
Emirates
8.1
Very Good
3,410 reviews
Check prices

Crew

8.3

Overall

8.1

Comfort

8.0

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
3,410 reviews
Check prices

Crew

8.3

Overall

8.1

Comfort

8.0

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
3,792 reviews
Emirates
8.1
Very Good
3,410 reviews
Check prices

Crew

8.3

Overall

8.1

Comfort

8.0

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.

United Airlines
7.4
Good
9,055 reviews
Emirates
8.1
Very Good
3,410 reviews
Check prices

Crew

8.3

Overall

8.1

Comfort

8.0

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?

    Our cheapest airline available from Seattle to Adelaide is Air Canada. Our recent data shows that you can find tickets from as low as $2,264 on this airline. Additional options worth looking into are Qatar Airways and United Airlines, starting at $2,437 and $2,443 round-trip. Air Canada is 1% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Adelaide one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $1,154. Users have also found prices from $2,308 and $15,728 on Qatar Airways and Emirates, respectively.

  • 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 holiday 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, June is the cheapest month in which you can book a flight from Seattle to Adelaide (average of $168). Flying from Seattle to Adelaide in October is currently the most expensive (average of $241). 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

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Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Adelaide?

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Why should you use Cheapflights to find cheap flight tickets from Seattle to Adelaide?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Adelaide.

Can Cheapflights find flights from Seattle to Adelaide with no change fees?

Yes, we can. To see specific flights from Seattle to Adelaide with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Adelaide become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Adelaide flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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