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$729+ 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
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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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 November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

May

Cheapest in

August

Round-trip from

$1,276
(Justfly.com)

One-way from

$729
(Air Canada)
Provider with most accurate pricing for Seattle/Tacoma Intl-Adelaide flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Adelaide flights.
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High demand for flights, 18% potential price rise
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Best time to find cheap flights, 18% potential price drop
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From Seattle/Tacoma Intl to Adelaide
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One-way flight from Seattle/Tacoma Intl to Adelaide
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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 November 21, 2024.

This Air Canada deal was found by Cheapflights users on 11/20. 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.
Mon 11/257:15 pmSEA - ADL
2 stops26h 55mMultiple Airlines
Sun 2/96:15 amADL - SEA
2 stops22h 05mMultiple Airlines
Deal found 11/20$1,681
This Trip.com deal was found by Cheapflights users on 11/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/44:05 pmSEA - ADL
1 stop30h 30mQatar Airways
Tue 12/106:20 pmADL - SEA
2 stops35h 50mQatar Airways
Deal found 11/19$1,847
This United deal was found by Cheapflights users on 11/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/251:55 pmSEA - ADL
2 stops29h 45mUnited Airlines
Sun 2/911:35 amADL - SEA
3 stops52h 15mUnited Airlines
Deal found 11/20$1,906
This Flightnetwork deal was found by Cheapflights users on 11/19. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/45:45 amSEA - ADL
2 stops34h 35mAir New Zealand
Tue 12/108:00 pmADL - SEA
3 stops44h 30mAir New Zealand
Deal found 11/19$2,129
This Cathay Pacific deal was found by Cheapflights users on 11/20. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/255:59 pmSEA - ADL
3 stops46h 51mCathay Pacific
Sun 2/912:00 pmADL - SEA
3 stops40h 30mCathay Pacific
Deal found 11/20$2,903
This KAYAK deal was found by Cheapflights users on 11/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/184:05 pmSEA - ADL
1 stop34h 15mEmirates
Fri 12/2710:40 pmADL - SEA
1 stop32h 25mEmirates
Deal found 11/20$3,784

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sun 3/16

7:05 pm-7:10 pm

2 stops30h 35m

Adelaide

Sat 3/22

6:50 pm-6:25 pm

2 stops41h 05m

$1,276

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 2/1

7:05 pm-5:50 pm

2 stops28h 15m

Adelaide

Tue 2/18

6:15 am-9:50 am

2 stops22h 05m

$1,316

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 5/3

4:30 pm-3:30 pm

1 stop30h 30m

Adelaide

Wed 5/14

6:20 pm-12:30 pm

2 stops34h 40m

$1,494

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Wed 2/5

10:35 am-10:50 am

2 stops29h 45m

Adelaide

Wed 2/19

6:30 am-2:22 pm

2 stops26h 22m

$1,537

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sun 3/16

9:40 am-8:45 am

1 stop29h 35m

Adelaide

Sat 3/22

10:10 am-8:10 am

1 stop39h 30m

$1,646

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sun 3/16

8:10 am-10:55 am

3 stops33h 15m

Adelaide

Sat 3/22

6:10 am-9:15 pm

3 stops32h 35m

$2,131

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 1/4

5:49 pm-12:15 pm

2 stops23h 56m

Adelaide

Sat 1/11

8:55 am-7:05 pm

3 stops28h 40m

$2,961

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 2/7

6:55 am-3:25 pm

3 stops38h 00m

Adelaide

Wed 2/19

12:00 pm-10:00 am

3 stops40h 30m

$2,973

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 5/9

2:55 pm-6:10 pm

2 stops34h 45m

$729

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 5/9

7:15 pm-6:50 pm

2 stops31h 05m

$737

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 16 results
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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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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 November 21, 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 November 21, 2024.
Emirates
8.1
Very good
3,485 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Crew

8.3

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
3,485 reviews
Emirates
8.1
Very good
3,485 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Crew

8.3

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
1,336 reviews
Emirates
8.1
Very good
3,485 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Crew

8.3

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.

Fiji Airways
8.1
Very good
201 reviews
Emirates
8.1
Very good
3,485 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Crew

8.3

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
8.1
Very good
531 reviews
Emirates
8.1
Very good
3,485 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Crew

8.3

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.

Cathay Pacific
7.6
Good
878 reviews
Emirates
8.1
Very good
3,485 reviews

Boarding

8.1

Overall

8.1

Food

7.9

Comfort

8.0

Entertainment

8.2

Crew

8.3

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 $1,276, was found to be the cheapest airline from Seattle to Adelaide.Alternate airlines to your destination round-trip include Qatar Airways and Air New Zealand. These flights start at 13% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Seattle to Adelaide are Air Canada ($729), Singapore Airlines ($1,020), and Air New Zealand ($1,146).

  • 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, November is the cheapest month in which you can book a flight from Seattle to Adelaide (average of $1,135). Flying from Seattle to Adelaide in January is currently the most expensive (average of $1,861). 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

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Top 3 airlines flying from Seattle to Adelaide

Discover the top 3 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,094Average$1,494FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,211Average$1,348FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,353Average$1,564FlexibilityNo cancel feeOn-time78%
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