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Cheap flights from Seattle (SEA) to Adelaide (ADL) from $1,247

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. 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.
SEA — ADL
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
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 April 28, 2024.

Popular in

April

Cheapest in

May

Average price

$4,969

Round-trip from

$1,279
High demand for flights, 54% potential price rise
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Best time to find cheap flights, 37% potential price drop
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Average for round-trip flights in April 2024
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From Seattle/Tacoma Intl to Adelaide
Search Deals

What is the cheapest day to fly round-trip from Seattle to Adelaide?

Users have found that flying from Seattle to Adelaide on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

May can be a great time to fly to Adelaide from Seattle with a flight ticket averaging about $2,286. Cheapflights users have found deals in the month of May for as cheap as $1,440. The most expensive prices can be found in the month of April.

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

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 44% on your trip compared to booking a flight at noon.

Cheap Fiji Airways flights from Seattle to Adelaide

Explore cheap flight options specifically provided by Fiji Airways for the route between Seattle and Adelaide. 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 2,944,896 searches. Data last updated April 28, 2024.
Take a peek at the cheapest Fiji Airways flights we've detected traveling from Seattle to Adelaide. Deals update often to give you more flight options matching your criteria
Mon 7/16:29 pmSEA - ADL
3 stops48h 36mFiji Airways
Thu 8/112:35 pmADL - SEA
3 stops51h 54mFiji Airways
Deal found 4/28$1,890
Mon 7/16:29 pmSEA - ADL
3 stops48h 36mFiji Airways
Thu 8/112:35 pmADL - SEA
3 stops51h 54mFiji Airways
Deal found 4/27$2,150

Cheap Qatar Airways flights from Seattle to Adelaide

Explore cheap flight options specifically provided by Qatar Airways for the route between Seattle and Adelaide. 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 2,944,896 searches. Data last updated April 28, 2024.
Some of the lowest-priced Qatar Airways flights we've found at this time heading from Seattle to Adelaide. Deals are refreshing constantly so come back soon for more options.
Mon 5/274:30 pmSEA - ADL
1 stop30h 30mQatar Airways
Mon 6/36:20 pmADL - SEA
2 stops34h 40mQatar Airways
Deal found 4/27$1,949
Mon 5/274:30 pmSEA - ADL
1 stop30h 30mQatar Airways
Mon 6/39:40 pmADL - SEA
1 stop31h 20mQatar Airways
Deal found 4/27$2,580
Mon 7/14:30 pmSEA - ADL
1 stop30h 30mQatar Airways
Thu 8/19:40 pmADL - SEA
1 stop31h 20mQatar Airways
Deal found 4/28$3,020
Mon 7/14:30 pmSEA - ADL
1 stop30h 30mQatar Airways
Thu 8/19:40 pmADL - SEA
1 stop31h 20mQatar Airways
Deal found 4/27$3,073
Fri 6/284:30 pmSEA - ADL
2 stops45h 40mQatar Airways
Thu 7/49:40 pmADL - SEA
1 stop31h 20mQatar Airways
Deal found 4/28$17,378

Cheap Seattle to Adelaide flights in April & May 2024

Find cheap flight options from Seattle to Adelaide specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
Check out some of the best flight deals from Seattle to Adelaide in 2024. For more flight deals, be sure to check back very soon.
Mon 5/273:10 pmSEA - ADL
2 stops27h 15mAir New Zealand
Mon 6/311:55 amADL - SEA
2 stops40h 05mAir New Zealand
Deal found 4/27$1,421
Mon 5/2710:40 amSEA - ADL
3 stops33h 20mAir New Zealand
Mon 6/31:55 pmADL - SEA
2 stops37h 15mAir New Zealand
Deal found 4/27$1,775
Mon 5/273:10 pmSEA - ADL
3 stops28h 50mAir New Zealand
Mon 6/36:00 amADL - SEA
3 stops35h 16mAir New Zealand
Deal found 4/27$1,801
Mon 5/274:30 pmSEA - ADL
1 stop30h 30mQatar Airways
Mon 6/36:20 pmADL - SEA
2 stops34h 40mQatar Airways
Deal found 4/27$1,949
Mon 5/274:30 pmSEA - ADL
1 stop30h 30mQatar Airways
Mon 6/39:40 pmADL - SEA
1 stop31h 20mQatar Airways
Deal found 4/27$2,580
Sun 5/261:15 amSEA - ADL
2 stops43h 30mAmerican Airlines
Mon 6/31:10 pmADL - SEA
2 stops48h 10mAmerican Airlines
Deal found 4/27$2,936

Seattle to Adelaide 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Adelaide in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Check out some of the best flight deals from Seattle to Adelaide in 2024. For more flight deals, be sure to check back very soon.
Mon 10/217:40 amSEA - ADL
2 stops38h 45mHawaiian Airlines
Mon 10/287:55 pmADL - SEA
2 stops43h 45mHawaiian Airlines
Deal found 4/27$1,247
Mon 5/273:10 pmSEA - ADL
2 stops27h 15mAir New Zealand
Mon 6/311:55 amADL - SEA
2 stops40h 05mAir New Zealand
Deal found 4/27$1,421
Tue 10/226:05 pmSEA - ADL
2 stops25h 00mMultiple Airlines
Thu 10/311:35 pmADL - SEA
2 stops22h 06mMultiple Airlines
Deal found 4/27$1,434
Sat 10/196:05 pmSEA - ADL
2 stops25h 00mMultiple Airlines
Thu 10/311:35 pmADL - SEA
2 stops23h 52mMultiple Airlines
Deal found 4/27$1,445
Fri 10/189:45 pmSEA - ADL
2 stops45h 20mMultiple Airlines
Thu 10/311:35 pmADL - SEA
2 stops23h 52mMultiple Airlines
Deal found 4/27$1,454
Sat 10/196:05 pmSEA - ADL
2 stops25h 00mMultiple Airlines
Mon 10/281:35 pmADL - SEA
2 stops22h 06mMultiple Airlines
Deal found 4/27$1,510
Mon 10/219:45 pmSEA - ADL
2 stops45h 20mMultiple Airlines
Thu 10/311:35 pmADL - SEA
2 stops23h 52mMultiple Airlines
Deal found 4/27$1,548
Mon 10/211:10 pmSEA - ADL
2 stops28h 15mAir New Zealand
Mon 10/288:55 amADL - SEA
3 stops27h 01mAir New Zealand
Deal found 4/27$1,557
Tue 10/2210:15 amSEA - ADL
1 stop28h 40mSingapore Airlines
Mon 10/2810:30 amADL - SEA
1 stop39h 15mSingapore Airlines
Deal found 4/27$1,569

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 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,421 - $2,936

Route

Depart

Return

Price

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 5/27

2 stops27h 15m

Adelaide

Mon 6/3

2 stops40h 05m

$1,421

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 5/27

3 stops33h 20m

Adelaide

Mon 6/3

2 stops37h 15m

$1,775

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 7/1

2 stops45h 34m

Adelaide

Thu 8/1

2 stops23h 39m

$1,790

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 5/27

3 stops28h 50m

Adelaide

Mon 6/3

3 stops35h 16m

$1,801

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 7/1

3 stops48h 36m

Adelaide

Thu 8/1

3 stops51h 54m

$1,890

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 5/27

1 stop30h 30m

Adelaide

Mon 6/3

2 stops34h 40m

$1,949

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 7/1

3 stops48h 36m

Adelaide

Thu 8/1

2 stops23h 39m

$2,014

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 7/1

3 stops48h 36m

Adelaide

Thu 8/1

3 stops51h 54m

$2,150

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sun 5/26

2 stops43h 30m

Adelaide

Mon 6/3

2 stops48h 10m

$2,936

Flights are sorted by cheapest first

Deals found on 4/27

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Adelaide. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Adelaide flight should consider departing on Thursday evenings when fares are most often at their lowest. Friday afternoons 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 Adelaide by month

Plan your trip from Seattle to Adelaide by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Adelaide is currently $0 while a round-trip flight costs $1,970. Price data was last updated on April 21, 2024.

Currently, May is the cheapest month in which you can book a flight from Seattle to Adelaide (average of $1,279). Flying from Seattle to Adelaide in January is currently the most expensive (average of $1,876). 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

$1,876

February

$1,286

March

$1,341

April

$1,700

May

$1,279

June

$1,492

July

$1,662

August

$1,454

September

$1,653

October

$1,614

November

$1,463

December

$1,766

Temperature and rainfall in Adelaide by month

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

ADL

Temperature

51.8 - 69.8 °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 April 28, 2024.
To help decide which airline to fly from Seattle to Adelaide, see what other customers have to say about Fiji Airways, Qatar Airways and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.3
Very good
646 reviews
Check prices

Boarding

8.4

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.7

Overall

8.3

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

Air New Zealand
8.3
Very good
646 reviews
Air New Zealand
8.3
Very good
646 reviews
Check prices

Boarding

8.4

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.7

Overall

8.3

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

Singapore Airlines
8.3
Very good
1,478 reviews
Air New Zealand
8.3
Very good
646 reviews
Check prices

Boarding

8.4

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.7

Overall

8.3

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

Fiji Airways
8.0
Very good
250 reviews
Air New Zealand
8.3
Very good
646 reviews
Check prices

Boarding

8.4

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.7

Overall

8.3

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

Cathay Pacific
7.9
Good
1,127 reviews
Air New Zealand
8.3
Very good
646 reviews
Check prices

Boarding

8.4

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.7

Overall

8.3

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

Qatar Airways
7.7
Good
4,456 reviews
Air New Zealand
8.3
Very good
646 reviews
Check prices

Boarding

8.4

Crew

8.8

Entertainment

7.9

Comfort

8.1

Food

7.7

Overall

8.3

Reviews

1 / 10

Everything went rather smoothly, I have no complaints or negative comments. Thanks for getting me where I needed to be.

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.

  • Can I find flights from Seattle to Adelaide for under $1,500 on Cheapflights?

    Yes, there are multiple flights from Seattle to Adelaide for under $1,500. The cheapest flight booked recently is on Air New Zealand for just $1,421, but on average you can expect to pay $3,096.

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

    Air New Zealand, at $1,421, was found to be the cheapest airline from Seattle to Adelaide.Alternate airlines to your destination round-trip include Fiji Airways and Qatar Airways. These flights start at 37% lower than the current average price 3 months from now.

  • What does SEA to ADL mean?

    Seattle/Tacoma Intl Airport is SEA and Adelaide Airport is ADL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

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

    The amount of baggage you can bring on your Seattle to Adelaide 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 Seattle to Adelaide with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Adelaide 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 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.

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

    Many airlines flying from Seattle to Adelaide 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 Seattle to Adelaide?

    Yes, you can often find last-minute deals on Seattle to Adelaide 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 Seattle to Adelaide flight deals updated?

    The Seattle to Adelaide flight deals you see on this page were last updated on 4/27.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2024.

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Top airline flying from Seattle to Adelaide

Discover the top airline 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 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,097Average$1,757FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
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Search flights from Seattle to Adelaide by cabin class

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

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Fly with Cheapflights

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

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

Cheapflights makes it easy to find Seattle to Adelaide flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Adelaide from Seattle.

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

Certainly. Search results for flights to Adelaide from Seattle 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 Seattle to Adelaide become cheaper?

Yes! Start tracking prices for Seattle to Adelaide 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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