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Cheap flights from Adelaide to Seattle from $2,015

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ADL — SEA
21 May — 28 May1
1 adult
Tue 21/5
Tue 28/5

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

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 16 May 2024.

Popular in

December

Cheapest in

April

Average price

$1,739

Round-trip from

$1,382
High demand for flights, 36% potential price rise
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Best time to find cheap flights, 27% potential price drop
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Average for round-trip flights in May 2024
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From Adelaide to Seattle/Tacoma Intl
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What is the cheapest day to fly return from Adelaide to Seattle?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Seattle. Check prices with Cheapflights to find a great deal for your trip.

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

To save on the cost of your flight from Adelaide to Seattle, book at least 46 days before your planned departure. Booking around this time can save you about 141% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $2,718 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,718.

What is the cheapest month to fly from Adelaide to Seattle?

April can be a great time to fly to Seattle from Adelaide with a flight ticket averaging about $2,090. Cheapflights users have found deals in the month of April for as cheap as $891. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Adelaide to Seattle (ADL - SEA)?

Unlike at midday, when flights are generally more expensive, you can save up to 23% on flights from Adelaide to Seattle by exploring options for tickets in the morning.

Cheap Singapore Airlines flights from Adelaide to Seattle

Explore cheap flight options specifically provided by Singapore Airlines for the route between Adelaide and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 536,630 searches. Data last updated 16 May 2024.
Find some of the cheapest Singapore Airlines flights travelling from Adelaide to Seattle. Come back soon if you're not finding the exact deal you're looking for.
Thu 7/1110:30ADL - SEA
2 stops44h 32mSingapore Airlines
Mon 11/1121:35SEA - ADL
2 stops65h 00mSingapore Airlines
Deal found 14/5$2,161
Thu 7/1110:30ADL - SEA
2 stops44h 32mSingapore Airlines
Mon 11/1121:35SEA - ADL
2 stops65h 00mSingapore Airlines
Deal found 15/5$2,176

Cheap Qatar Airways flights from Adelaide to Seattle

Explore cheap flight options specifically provided by Qatar Airways for the route between Adelaide and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 536,630 searches. Data last updated 16 May 2024.
Some of the best deals we've found on Qatar Airways flights travelling from Adelaide to Seattle. Deals frequently update to provide users with more options.
Thu 7/1112:40ADL - SEA
2 stops41h 40mQatar Airways
Mon 11/1116:05SEA - ADL
1 stop30h 30mQatar Airways
Deal found 14/5$2,537
Thu 7/1122:00ADL - SEA
1 stop32h 20mQatar Airways
Mon 11/1116:05SEA - ADL
1 stop30h 30mQatar Airways
Deal found 14/5$2,543
Thu 7/1112:40ADL - SEA
2 stops41h 40mQatar Airways
Mon 11/1116:05SEA - ADL
1 stop30h 30mQatar Airways
Deal found 15/5$2,555
Thu 7/1122:00ADL - SEA
1 stop32h 20mQatar Airways
Mon 11/1116:05SEA - ADL
1 stop30h 30mQatar Airways
Deal found 15/5$2,561

Cheap Adelaide to Seattle flights in May & June 2024

Find cheap flight options from Adelaide to Seattle specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 536,630 searches. Prices were last updated on 16 May 2024.
Check out some of the best flight deals from Adelaide to Seattle in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 16/616:30ADL - SEA
2 stops21h 45mMultiple Airlines
Fri 26/708:45SEA - ADL
2 stops38h 40mMultiple Airlines
Deal found 15/5$2,015
Sun 16/612:55ADL - SEA
3 stops38h 02mAmerican Airlines
Fri 26/717:45SEA - ADL
2 stops24h 05mAmerican Airlines
Deal found 15/5$3,127
Sun 16/621:40ADL - SEA
1 stop31h 20mMultiple Airlines
Fri 26/708:45SEA - ADL
2 stops41h 10mMultiple Airlines
Deal found 15/5$3,773
Sun 16/606:00ADL - SEA
3 stops44h 21mCathay Pacific
Fri 26/708:02SEA - ADL
3 stops38h 33mCathay Pacific
Deal found 15/5$3,841
Sun 16/621:40ADL - SEA
1 stop31h 20mMultiple Airlines
Fri 26/716:30SEA - ADL
1 stop30h 30mMultiple Airlines
Deal found 15/5$4,354

Adelaide to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Adelaide and Seattle in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 536,630 searches. Data last updated 16 May 2024.
Check out some of the best flight deals from Adelaide to Seattle in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Sun 16/616:30ADL - SEA
2 stops21h 45mMultiple Airlines
Fri 26/708:45SEA - ADL
2 stops38h 40mMultiple Airlines
Deal found 15/5$2,015
Thu 7/1110:30ADL - SEA
2 stops44h 32mSingapore Airlines
Mon 11/1121:35SEA - ADL
2 stops65h 00mSingapore Airlines
Deal found 14/5$2,161
Thu 7/1110:30ADL - SEA
2 stops44h 32mSingapore Airlines
Mon 11/1121:35SEA - ADL
2 stops65h 00mSingapore Airlines
Deal found 15/5$2,176
Thu 7/1112:40ADL - SEA
2 stops41h 40mQatar Airways
Mon 11/1116:05SEA - ADL
1 stop30h 30mQatar Airways
Deal found 14/5$2,537
Thu 7/1122:00ADL - SEA
1 stop32h 20mQatar Airways
Mon 11/1116:05SEA - ADL
1 stop30h 30mQatar Airways
Deal found 14/5$2,543
Thu 7/1112:40ADL - SEA
2 stops41h 40mQatar Airways
Mon 11/1116:05SEA - ADL
1 stop30h 30mQatar Airways
Deal found 15/5$2,555
Thu 7/1122:00ADL - SEA
1 stop32h 20mQatar Airways
Mon 11/1116:05SEA - ADL
1 stop30h 30mQatar Airways
Deal found 15/5$2,561
Sun 16/612:55ADL - SEA
3 stops38h 02mAmerican Airlines
Fri 26/717:45SEA - ADL
2 stops24h 05mAmerican Airlines
Deal found 15/5$3,127
Sun 16/621:40ADL - SEA
1 stop31h 20mMultiple Airlines
Fri 26/708:45SEA - ADL
2 stops41h 10mMultiple Airlines
Deal found 15/5$3,773

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 536,630 searches. Data last updated 16 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$2,015 - $3,841

Route

Depart

Return

Price

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Sun 16/6

2 stops21h 45m

Seattle/Tacoma Intl

Fri 26/7

2 stops38h 40m

$2,015

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 7/11

2 stops44h 32m

Seattle/Tacoma Intl

Mon 11/11

2 stops65h 00m

$2,161

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 7/11

2 stops44h 32m

Seattle/Tacoma Intl

Mon 11/11

2 stops65h 00m

$2,176

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 7/11

2 stops41h 40m

Seattle/Tacoma Intl

Mon 11/11

1 stop30h 30m

$2,537

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 7/11

1 stop32h 20m

Seattle/Tacoma Intl

Mon 11/11

1 stop30h 30m

$2,543

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 7/11

2 stops41h 40m

Seattle/Tacoma Intl

Mon 11/11

1 stop30h 30m

$2,555

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 7/11

1 stop32h 20m

Seattle/Tacoma Intl

Mon 11/11

1 stop30h 30m

$2,561

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Sun 16/6

3 stops38h 02m

Seattle/Tacoma Intl

Fri 26/7

2 stops24h 05m

$3,127

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Sun 16/6

3 stops44h 21m

Seattle/Tacoma Intl

Fri 26/7

3 stops38h 33m

$3,841

Flights are sorted by cheapest first

Deals found on 15/5

When is the best time to 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 10 May 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.
Search Deals

When is the cheapest time to fly from Adelaide to Seattle?

Use this chart to determine the cheapest time to fly return from Adelaide to Seattle. Price data was last updated on 12 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Adelaide to Seattle flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Seattle by month

Plan your trip from Adelaide to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Adelaide to Seattle is currently $0 while a return flight costs $2,613. Price data was last updated on 12 May 2024.

Currently, March is the cheapest month in which you can book a flight from Adelaide to Seattle (average of $924). Flying from Adelaide to Seattle in December is currently the most expensive (average of $1,524). 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.

January

$1,769

February

$1,546

March

$1,383

April

$1,693

May

$1,549

June

$1,837

July

$2,039

August

$1,766

September

$1,850

October

$1,658

November

$1,513

December

$2,281

Temperature and rainfall in Seattle by month

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

SEA

Temperature

5 - 19 °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 16 May 2024.
To help decide which airline to fly from Adelaide to Seattle, see what other customers have to say about Singapore Airlines and Qatar Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.3
Very Good
1,447 reviews
Check prices

Comfort

8.1

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

8.1

Food

7.8

Reviews

1 / 10

Had a great experience with Singapore Airlines, staff was outstanding and the food was great 👍🏼 😊

Singapore Airlines
8.3
Very Good
1,447 reviews
Singapore Airlines
8.3
Very Good
1,447 reviews
Check prices

Comfort

8.1

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

8.1

Food

7.8

Reviews

1 / 10

Had a great experience with Singapore Airlines, staff was outstanding and the food was great 👍🏼 😊

Cathay Pacific
7.8
Good
1,084 reviews
Singapore Airlines
8.3
Very Good
1,447 reviews
Check prices

Comfort

8.1

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

8.1

Food

7.8

Reviews

1 / 10

Had a great experience with Singapore Airlines, staff was outstanding and the food was great 👍🏼 😊

Qatar Airways
7.7
Good
4,387 reviews
Singapore Airlines
8.3
Very Good
1,447 reviews
Check prices

Comfort

8.1

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

8.1

Food

7.8

Reviews

1 / 10

Had a great experience with Singapore Airlines, staff was outstanding and the food was great 👍🏼 😊

American Airlines
7.3
Good
14,514 reviews
Singapore Airlines
8.3
Very Good
1,447 reviews
Check prices

Comfort

8.1

Overall

8.3

Boarding

8.4

Crew

8.7

Entertainment

8.1

Food

7.8

Reviews

1 / 10

Had a great experience with Singapore Airlines, staff was outstanding and the food was great 👍🏼 😊

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.

  • Can I find flights from Adelaide to Seattle for under $2,100 on Cheapflights?

    Yes, there are multiple flights from Adelaide to Seattle for under $2,100. The cheapest flight booked recently is on Multiple Airlines for just $2,015, but on average you can expect to pay $2,875.

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

    According to our current data, Singapore Airlines ($2,161), Qatar Airways ($2,537), and American Airlines ($3,127) offers the cheapest pricing from Adelaide to Seattle.

  • What are the most popular airlines that fly from Adelaide to Seattle?

    Consider Air Canada, Air New Zealand or Qantas Airways when booking your flight. These represent the most popular airlines when flying from Adelaide to Seattle.

  • What does ADL to SEA mean?

    ADL and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ADL to SEA refers to a flight route from Adelaide Airport to Seattle/Tacoma Intl Airport.

  • Can I find deals for flights from Adelaide to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Adelaide to Seattle flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Adelaide to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Adelaide to Seattle flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Adelaide to Seattle that allow pets onboard?

    Many airlines flying from Adelaide to Seattle offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Adelaide to Seattle?

    Yes, you can often find last-minute deals on Adelaide to Seattle flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Adelaide to Seattle flight deals updated?

    The Adelaide to Seattle flight deals you see on this page were last updated on 15/5.

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.

Adelaide to Portland flights

Top 6 airlines flying from Adelaide to Seattle

Discover the top 6 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 536,630 searches. Data last updated 16 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,415Average$1,669FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,437Average$2,679FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,461Average$1,886FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,497Average$2,373FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Singapore AirlinesCheapest$1,512Average$1,755FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air New ZealandCheapest$1,968Average$3,486FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
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Search flights from Adelaide to Seattle by cabin class

Find flights from Adelaide to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
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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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