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Cheap flights from Adelaide to Seattle from $1,443

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 23/5. 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
2 Apr — 9 Apr1
1 adult
Tue 2/4
Tue 9/4

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Cheapflights users frequently choose these airlines when searching for flights from Adelaide to Seattle, based on our search results.
Cheapflights users frequently choose these airlines when searching for flights from Adelaide to Seattle, based on our search results.
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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 28 March 2024.

Popular in

December

Cheapest in

August

Round-trip from

$1,459

One-way from

$1,443
High demand for flights, 25% potential price rise
Best time to find cheap flights, 24% potential price drop
From Adelaide to Seattle/Tacoma Intl
One-way flight from Adelaide to Seattle/Tacoma Intl

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.

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

August can be a great time to fly to Seattle from Adelaide with a flight ticket averaging about $2,542. Cheapflights users have found deals in the month of August for as cheap as $1,830. 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 20% on flights from Adelaide to Seattle by exploring options for tickets in the morning.

Cheap ANA flights from Adelaide to Seattle

Explore cheap flight options specifically provided by ANA 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 639,854 searches. Data last updated 28 March 2024.
Find some of the cheapest ANA flights travelling from Adelaide to Seattle. Come back soon if you're not finding the exact deal you're looking for.
Thu 2/506:00ADL - SEA
2 stops48h 55mANA
Mon 6/516:40SEA - ADL
2 stops28h 45mANA
Deal found 27/3$2,168
Thu 2/506:00ADL - SEA
2 stops48h 55mANA
Mon 6/516:40SEA - ADL
2 stops28h 45mANA
Deal found 26/3$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 639,854 searches. Data last updated 28 March 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 2/511:40ADL - SEA
2 stops41h 20mQatar Airways
Mon 6/516:30SEA - ADL
1 stop30h 30mQatar Airways
Deal found 27/3$2,872
Thu 2/511:40ADL - SEA
2 stops41h 20mQatar Airways
Mon 6/516:30SEA - ADL
1 stop30h 30mQatar Airways
Deal found 26/3$2,878
Sun 16/621:40ADL - SEA
1 stop31h 20mQatar Airways
Fri 26/716:30SEA - ADL
2 stops45h 40mQatar Airways
Deal found 27/3$3,106
Sun 16/621:40ADL - SEA
1 stop31h 20mQatar Airways
Fri 26/716:30SEA - ADL
1 stop30h 30mQatar Airways
Deal found 27/3$3,282
Thu 2/521:40ADL - SEA
1 stop31h 20mQatar Airways
Mon 6/516:30SEA - ADL
1 stop30h 30mQatar Airways
Deal found 27/3$3,301
Thu 2/521:40ADL - SEA
1 stop31h 20mQatar Airways
Mon 6/516:30SEA - ADL
1 stop30h 30mQatar Airways
Deal found 26/3$3,310

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 639,854 searches. Data last updated 28 March 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.
Thu 2/506:00ADL - SEA
2 stops48h 55mANA
Mon 6/516:40SEA - ADL
2 stops28h 45mANA
Deal found 27/3$2,168
Sun 16/606:00ADL - SEA
2 stops32h 15mMultiple Airlines
Fri 26/708:45SEA - ADL
2 stops36h 40mMultiple Airlines
Deal found 27/3$2,170
Thu 2/506:00ADL - SEA
2 stops48h 55mANA
Mon 6/516:40SEA - ADL
2 stops28h 45mANA
Deal found 26/3$2,176
Thu 2/511:40ADL - SEA
2 stops41h 20mQatar Airways
Mon 6/516:30SEA - ADL
1 stop30h 30mQatar Airways
Deal found 27/3$2,872
Thu 2/511:40ADL - SEA
2 stops41h 20mQatar Airways
Mon 6/516:30SEA - ADL
1 stop30h 30mQatar Airways
Deal found 26/3$2,878
Sun 16/621:40ADL - SEA
1 stop31h 20mQatar Airways
Fri 26/716:30SEA - ADL
2 stops45h 40mQatar Airways
Deal found 27/3$3,106
Sun 29/1210:30ADL - SEA
2 stops32h 02mSingapore Airlines
Sun 12/108:45SEA - ADL
1 stop29h 50mSingapore Airlines
Deal found 27/3$3,115
Sun 29/1206:00ADL - SEA
2 stops49h 40mANA
Sun 12/115:35SEA - ADL
2 stops56h 05mANA
Deal found 27/3$3,226
Sun 16/621:40ADL - SEA
1 stop31h 20mMultiple Airlines
Fri 26/716:30SEA - ADL
2 stops45h 40mMultiple Airlines
Deal found 27/3$3,235

One-way flights to Seattle from Adelaide

Search for one-way flight options from Adelaide to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 639,854 searches. Data last updated 28 March 2024.
Take a look at some of the one-way flights we've detected from Adelaide to Seattle. For those needing a return trip from Adelaide, there is a search form available above.
Thu 23/506:00ADL - SEA
2 stops48h 55mANA
Deal found 28/3$1,443
Thu 23/519:55ADL - SEA
3 stops37h 47mMultiple Airlines
Deal found 28/3$1,735
Thu 23/521:40ADL - SEA
1 stop31h 20mQatar Airways
Deal found 28/3$13,307

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 639,854 searches. Data last updated 28 March 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$2,168 - $3,478

Route

Depart

Return

Price

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 2/5

2 stops48h 55m

Seattle/Tacoma Intl

Mon 6/5

2 stops28h 45m

$2,168

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Sun 16/6

2 stops32h 15m

Seattle/Tacoma Intl

Fri 26/7

2 stops36h 40m

$2,170

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 2/5

2 stops48h 55m

Seattle/Tacoma Intl

Mon 6/5

2 stops28h 45m

$2,176

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 2/5

2 stops41h 20m

Seattle/Tacoma Intl

Mon 6/5

1 stop30h 30m

$2,872

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 2/5

2 stops41h 20m

Seattle/Tacoma Intl

Mon 6/5

1 stop30h 30m

$2,878

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Sun 16/6

1 stop31h 20m

Seattle/Tacoma Intl

Fri 26/7

2 stops45h 40m

$3,106

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Sun 16/6

1 stop31h 20m

Seattle/Tacoma Intl

Fri 26/7

2 stops45h 40m

$3,235

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Thu 2/5

3 stops43h 49m

Seattle/Tacoma Intl

Mon 6/5

3 stops49h 00m

$3,354

AdelaideSeattle/Tacoma Intl

ADL - SEA

ADLSEA

Adelaide

Sun 16/6

3 stops40h 21m

Seattle/Tacoma Intl

Fri 26/7

3 stops41h 03m

$3,478

Flights are sorted by cheapest first

Deals found on 27/3

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 24 March 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.
Search Deals

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 $5,495 while a return flight costs $2,826. Price data was last updated on 24 March 2024.

Currently, March is the cheapest month in which you can book a flight from Adelaide to Seattle (average of $952). Flying from Adelaide to Seattle in December is currently the most expensive (average of $1,528). 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

$1,796

February

$1,583

March

$1,459

April

$1,771

May

$1,601

June

$1,892

July

$2,087

August

$1,905

September

$1,894

October

$1,699

November

$1,612

December

$2,341

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 28 March 2024.
To help decide which airline to fly from Adelaide to Seattle, see what other customers have to say about ANA and Qatar Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very Good
985 reviews

Crew

8.8

Comfort

8.3

Entertainment

8.1

Overall

8.5

Boarding

8.6

Food

7.8

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

8.5
Very Good
985 reviews
8.5
Very Good
985 reviews

Crew

8.8

Comfort

8.3

Entertainment

8.1

Overall

8.5

Boarding

8.6

Food

7.8

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

8.0
Very Good
255 reviews
8.5
Very Good
985 reviews

Crew

8.8

Comfort

8.3

Entertainment

8.1

Overall

8.5

Boarding

8.6

Food

7.8

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

7.7
Good
4,553 reviews
8.5
Very Good
985 reviews

Crew

8.8

Comfort

8.3

Entertainment

8.1

Overall

8.5

Boarding

8.6

Food

7.8

Reviews

1 / 10

They’re so kind and professional on ANA, I ordered a special meal and they were lovely throughout. Always kind and efficient, felt cared for in the sky

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 $2,200 on Cheapflights?

    Yes, there are multiple flights from Adelaide to Seattle for under $2,200. The cheapest flight booked recently is on ANA for just $2,168, but on average you can expect to pay $3,982.

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

    According to our current data, ANA ($2,168), Qatar Airways ($2,872), and Fiji Airways ($3,354) offers the cheapest pricing from Adelaide to Seattle. These flights start at 14% lower than the current average price 3 months from now.

  • What are the most popular airlines that fly 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 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 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 vacation 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 see available direct flights.

  • 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 do 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.

  • 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 27/3.

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.

Complete your trip
Complete your trip to Seattle by adding a car hire and/or hotel booking to your travel itinerary.

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 639,854 searches. Data last updated 28 March 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,448Average$1,708FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,496Average$1,930FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,539Average$2,431FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Singapore AirlinesCheapest$1,632Average$1,857FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$1,719Average$2,743FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$2,041Average$3,586FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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.

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.

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 can I compare prices from different travel booking sites for flights from Adelaide to Seattle?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Adelaide to Seattle that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.