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Cheap flights from Adelaide to Seattle from $1,651

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SEA
6 Nov — 13 Nov1
1 adult

The best prices from Adelaide to Seattle/Tacoma Intl are usually found in February or November, booked 74 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Find flights from Adelaide to Seattle within your budget

Customise your flight search to find flights from Adelaide to Seattle 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 750,439 searches. Data last updated 1 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 5/12

06:15-09:50

2 stops22h 05m

Seattle/Tacoma Intl

Thu 12/12

10:35-10:55

2 stops29h 50m

$1,651

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 20/3

06:10-09:50

2 stops21h 10m

Seattle/Tacoma Intl

Sun 30/3

19:05-18:10

2 stops29h 35m

$1,720

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 20/3

06:10-01:05

3 stops36h 25m

Seattle/Tacoma Intl

Sun 30/3

14:40-14:10

2 stops30h 00m

$1,794

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 20/3

10:10-09:56

2 stops41h 16m

Seattle/Tacoma Intl

Sun 30/3

10:15-08:25

1 stop28h 40m

$1,817

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 20/3

22:00-12:40

1 stop32h 10m

Seattle/Tacoma Intl

Sun 30/3

16:30-16:30

1 stop30h 30m

$2,307

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 5/12

07:55-17:58

2 stops28h 33m

Seattle/Tacoma Intl

Thu 12/12

06:00-13:20

3 stops36h 50m

$2,779

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 5/12

20:00-16:00

3 stops38h 30m

Seattle/Tacoma Intl

Thu 12/12

16:23-17:35

3 stops30h 42m

$3,414

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 15/12

22:40-12:35

1 stop32h 25m

Seattle/Tacoma Intl

Sun 22/12

16:05-20:50

1 stop34h 15m

$4,990

Flights are sorted by cheapest first

Deals found on 31/10

Cheap flight deals from Adelaide to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to Seattle (SEA). 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 1 November 2024.

Round-trip from

$1,651

Popular in

December

Cheapest in

February

Average price

$1,694
Air Canada
  • Air Canada
  • 5/12-12/12
  • 4 total stops
  • 51h 55m total
  • Adelaide to Seattle
High demand for flights, 27% potential price rise
Best time to find cheap flights, 14% potential price drop
Average for round-trip flights in November 2024

Find flight deals from Adelaide to Seattle

Cheapest flights from Adelaide to Seattle
Explore the most affordable flight options available from Adelaide to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 November 2024.

Thu 5/1206:15ADL - SEA
2 stops22h 05mMultiple Airlines
Thu 12/1210:35SEA - ADL
2 stops29h 50mMultiple Airlines
Deal found 31/10$1,651
Thu 5/1207:55ADL - SEA
2 stops28h 33mQantas Airways
Thu 12/1206:00SEA - ADL
3 stops36h 50mQantas Airways
Deal found 31/10$2,779
Thu 5/1212:50ADL - SEA
2 stops41h 20mQatar Airways
Thu 12/1216:05SEA - ADL
1 stop30h 30mQatar Airways
Deal found 31/10$3,053
Thu 5/1220:00ADL - SEA
3 stops38h 30mAir New Zealand
Thu 12/1216:23SEA - ADL
3 stops30h 42mAir New Zealand
Deal found 31/10$3,414
Thu 5/1210:10ADL - SEA
1 stop63h 30mSingapore Airlines
Thu 12/1208:40SEA - ADL
1 stop29h 35mSingapore Airlines
Deal found 31/10$4,205
Sun 15/1206:10ADL - SEA
2 stops28h 20mUnited Airlines
Sun 22/1206:00SEA - ADL
2 stops36h 40mUnited Airlines
Deal found 31/10$4,756
Sun 15/1222:40ADL - SEA
1 stop32h 25mEmirates
Sun 22/1216:05SEA - ADL
1 stop34h 15mEmirates
Deal found 31/10$4,990

Best time to book a flight from Adelaide to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Adelaide 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 Adelaide to Seattle

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

How far ahead should I book a flight from Adelaide to Seattle?

Use this chart to determine the optimal time to book a return flight from Adelaide to Seattle. Price data was last updated on 25 October 2024.

The best time to book flights from Adelaide to Seattle is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, March is the cheapest month in which you can book a flight from Adelaide to Seattle (average of $896). Flying from Adelaide to Seattle in December is currently the most expensive (average of $1,304). 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.

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

Find hourly flight availability from Adelaide to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 November 2024.

Unlike at midday, when flights are generally more expensive, you can save up to 28% on flights from Adelaide to Seattle by exploring options for tickets in the afternoon.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 1 November 2024.
8.1
Very Good
3,548 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Food

7.9

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

8.1
Very Good
3,548 reviews
8.1
Very Good
3,548 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Food

7.9

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

8.1
Very Good
1,334 reviews
8.1
Very Good
3,548 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Food

7.9

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

8.1
Very Good
535 reviews
8.1
Very Good
3,548 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Food

7.9

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

7.6
Good
839 reviews
8.1
Very Good
3,548 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Food

7.9

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

7.5
Good
3,901 reviews
8.1
Very Good
3,548 reviews

Boarding

8.1

Comfort

8.0

Overall

8.1

Food

7.9

Crew

8.3

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Adelaide to Seattle. 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 Adelaide to Seattle round-trip?

    According to our current data, Air Canada ($1,720), United Airlines ($1,794), and Singapore Airlines ($1,817) offers the cheapest pricing from Adelaide to Seattle. These flights start at 11% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Adelaide to Seattle 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 Adelaide to Seattle?

    Currently, March is the cheapest month in which you can book a flight from Adelaide to Seattle (average of $896). Flying from Adelaide to Seattle in December is currently the most expensive (average of $1,304). 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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Alternative routes for Adelaide to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Adelaide to Seattle

Discover the top 3 airlines that operate flights from Adelaide to Seattle. 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 750,439 searches. Data last updated 1 November 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$960Average$1,603FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$998Average$1,874FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Singapore AirlinesCheapest$1,537Average$1,846FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Adelaide to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Adelaide to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Seattle from Adelaide shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Adelaide to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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