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Cheap flights from Seattle (SEA) to Adelaide (ADL) from $1,353

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 9/10. 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 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
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 May 8, 2024.

Popular in

July

Cheapest in

March

Round-trip from

$1,279
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 27% potential price drop
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From Seattle/Tacoma Intl to Adelaide
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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?

March can be a great time to fly to Adelaide from Seattle with a flight ticket averaging about $1,780. Cheapflights users have found deals in the month of March for as cheap as $1,094. The most expensive prices can be found in the month of July.

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 Air New Zealand flights from Seattle to Adelaide

Explore cheap flight options specifically provided by Air New Zealand 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 2,749,864 searches. Data last updated May 8, 2024.
Take a peek at the cheapest Air New Zealand flights we've detected traveling from Seattle to Adelaide. Deals update often to give you more flight options matching your criteria
Tue 9/104:25 pmSEA - ADL
3 stops27h 35mAir New Zealand
Tue 9/176:00 amADL - SEA
3 stops29h 09mAir New Zealand
Deal found 5/6$1,353
Tue 9/102:08 pmSEA - ADL
3 stops29h 52mAir New Zealand
Thu 9/196:30 amADL - SEA
3 stops28h 26mAir New Zealand
Deal found 5/6$1,393
Tue 9/104:25 pmSEA - ADL
3 stops28h 20mAir New Zealand
Tue 9/176:55 pmADL - SEA
2 stops33h 09mAir New Zealand
Deal found 5/6$1,599
Tue 9/107:45 pmSEA - ADL
2 stops24h 15mAir New Zealand
Thu 9/196:30 amADL - SEA
3 stops32h 20mAir New Zealand
Deal found 5/6$1,647
Thu 7/253:35 pmSEA - ADL
2 stops28h 10mAir New Zealand
Sat 8/106:15 pmADL - SEA
3 stops44h 27mAir New Zealand
Deal found 5/6$1,707
Thu 7/253:35 pmSEA - ADL
3 stops28h 10mAir New Zealand
Sat 8/106:15 pmADL - SEA
3 stops47h 07mAir New Zealand
Deal found 5/6$1,734
Sun 7/287:25 pmSEA - ADL
2 stops24h 35mAir New Zealand
Mon 8/511:55 amADL - SEA
2 stops22h 57mAir New Zealand
Deal found 5/7$1,801
Wed 7/314:30 pmSEA - ADL
2 stops30h 05mAir New Zealand
Mon 8/511:55 amADL - SEA
2 stops22h 57mAir New Zealand
Deal found 5/7$1,959
Thu 7/2512:55 pmSEA - ADL
3 stops30h 50mAir New Zealand
Sat 8/106:55 pmADL - SEA
2 stops33h 52mAir New Zealand
Deal found 5/8$2,031

Cheap Singapore Airlines flights from Seattle to Adelaide

Explore cheap flight options specifically provided by Singapore Airlines 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 2,749,864 searches. Data last updated May 8, 2024.
Some of the lowest-priced Singapore Airlines flights we've found at this time heading from Seattle to Adelaide. Deals are refreshing constantly so come back soon for more options.
Tue 9/1010:15 amSEA - ADL
1 stop28h 40mSingapore Airlines
Tue 9/179:10 amADL - SEA
2 stops39h 35mSingapore Airlines
Deal found 5/6$1,698
Tue 9/107:00 amSEA - ADL
2 stops31h 55mSingapore Airlines
Tue 9/179:10 amADL - SEA
2 stops39h 35mSingapore Airlines
Deal found 5/6$1,700
Wed 7/317:00 amSEA - ADL
2 stops31h 55mSingapore Airlines
Mon 8/59:10 amADL - SEA
1 stop40h 05mSingapore Airlines
Deal found 5/7$2,764
Thu 7/2510:15 amSEA - ADL
1 stop28h 40mSingapore Airlines
Sat 8/109:10 amADL - SEA
1 stop40h 05mSingapore Airlines
Deal found 5/8$2,803
Thu 8/110:15 amSEA - ADL
1 stop28h 40mSingapore Airlines
Mon 8/59:10 amADL - SEA
1 stop40h 05mSingapore Airlines
Deal found 5/7$3,054
Sun 7/286:00 amSEA - ADL
2 stops32h 55mSingapore Airlines
Mon 8/59:10 amADL - SEA
1 stop40h 05mSingapore Airlines
Deal found 5/7$3,102
Sun 7/2810:15 amSEA - ADL
1 stop28h 40mSingapore Airlines
Mon 8/59:10 amADL - SEA
1 stop40h 05mSingapore Airlines
Deal found 5/7$3,933

Cheap Seattle to Adelaide flights in May & June 2024

Find cheap flight options from Seattle to Adelaide specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 8, 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.
Fri 6/288:02 amSEA - ADL
3 stops41h 03mCathay Pacific
Thu 7/46:55 pmADL - SEA
3 stops38h 51mCathay Pacific
Deal found 5/7$4,315
Fri 6/283:55 pmSEA - ADL
2 stops30h 40mQantas Airways
Thu 7/48:10 pmADL - SEA
2 stops40h 04mQantas Airways
Deal found 5/7$4,591
Fri 6/2811:38 pmSEA - ADL
3 stops63h 17mMultiple Airlines
Thu 7/49:10 amADL - SEA
2 stops40h 11mMultiple Airlines
Deal found 5/7$5,182
Fri 6/284:30 pmSEA - ADL
2 stops36h 00mMultiple Airlines
Thu 7/49:40 pmADL - SEA
1 stop31h 20mMultiple Airlines
Deal found 5/7$18,274

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 2,749,864 searches. Data last updated May 8, 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.
Tue 9/104:25 pmSEA - ADL
3 stops27h 35mAir New Zealand
Tue 9/176:00 amADL - SEA
3 stops29h 09mAir New Zealand
Deal found 5/6$1,353
Thu 11/147:05 pmSEA - ADL
2 stops24h 20mMultiple Airlines
Thu 12/126:15 amADL - SEA
2 stops21h 31mMultiple Airlines
Deal found 5/7$1,366
Tue 9/102:08 pmSEA - ADL
3 stops29h 52mAir New Zealand
Thu 9/196:30 amADL - SEA
3 stops28h 26mAir New Zealand
Deal found 5/6$1,393
Wed 11/138:10 amSEA - ADL
2 stops59h 15mMultiple Airlines
Wed 11/207:55 pmADL - SEA
2 stops44h 10mMultiple Airlines
Deal found 5/6$1,431
Tue 9/105:42 pmSEA - ADL
2 stops25h 23mMultiple Airlines
Thu 9/1912:35 pmADL - SEA
2 stops23h 40mMultiple Airlines
Deal found 5/6$1,435
Wed 11/133:20 pmSEA - ADL
2 stops25h 00mMultiple Airlines
Wed 11/2011:50 amADL - SEA
3 stops28h 09mMultiple Airlines
Deal found 5/6$1,470
Wed 11/133:50 pmSEA - ADL
2 stops31h 00mSingapore Airlines
Wed 11/206:35 pmADL - SEA
1 stop31h 10mSingapore Airlines
Deal found 5/6$1,565
Tue 9/104:25 pmSEA - ADL
3 stops28h 20mAir New Zealand
Tue 9/176:55 pmADL - SEA
2 stops33h 09mAir New Zealand
Deal found 5/6$1,599
Mon 7/19:11 pmSEA - ADL
2 stops45h 54mMultiple Airlines
Thu 8/112:35 pmADL - SEA
2 stops22h 50mMultiple Airlines
Deal found 5/7$1,615

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 2,749,864 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,353 - $2,543

Route

Depart

Return

Price

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 9/10

3 stops27h 35m

Adelaide

Tue 9/17

3 stops29h 09m

$1,353

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 9/10

3 stops29h 52m

Adelaide

Thu 9/19

3 stops28h 26m

$1,393

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 9/10

2 stops25h 23m

Adelaide

Thu 9/19

2 stops23h 40m

$1,435

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 7/1

2 stops45h 54m

Adelaide

Thu 8/1

2 stops22h 50m

$1,615

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 9/10

1 stop28h 40m

Adelaide

Tue 9/17

2 stops39h 35m

$1,698

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Wed 8/14

2 stops26h 20m

Adelaide

Sun 8/18

2 stops34h 00m

$1,827

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 7/1

3 stops48h 36m

Adelaide

Thu 8/1

3 stops56h 55m

$1,886

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 7/25

2 stops24h 05m

Adelaide

Sat 8/10

2 stops23h 59m

$2,286

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 7/25

2 stops61h 10m

Adelaide

Sat 8/10

1 stop31h 20m

$2,543

Flights are sorted by cheapest first

Deals found on 5/6

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 May 5, 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 $1,782. Price data was last updated on May 5, 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 $1,884). 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

$1,884

February

$1,286

March

$1,341

April

$1,649

May

$1,279

June

$1,481

July

$1,678

August

$1,452

September

$1,704

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 May 8, 2024.
To help decide which airline to fly from Seattle to Adelaide, see what other customers have to say about Air New Zealand, Singapore Airlines and Qantas Airways. 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
635 reviews
Check prices

Boarding

8.4

Entertainment

7.9

Overall

8.3

Crew

8.8

Food

7.6

Comfort

8.1

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

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

Boarding

8.4

Entertainment

7.9

Overall

8.3

Crew

8.8

Food

7.6

Comfort

8.1

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

Singapore Airlines
8.3
Very good
1,458 reviews
Air New Zealand
8.3
Very good
635 reviews
Check prices

Boarding

8.4

Entertainment

7.9

Overall

8.3

Crew

8.8

Food

7.6

Comfort

8.1

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

Fiji Airways
8.0
Very good
249 reviews
Air New Zealand
8.3
Very good
635 reviews
Check prices

Boarding

8.4

Entertainment

7.9

Overall

8.3

Crew

8.8

Food

7.6

Comfort

8.1

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

Cathay Pacific
7.8
Good
1,095 reviews
Air New Zealand
8.3
Very good
635 reviews
Check prices

Boarding

8.4

Entertainment

7.9

Overall

8.3

Crew

8.8

Food

7.6

Comfort

8.1

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

Qatar Airways
7.7
Good
4,428 reviews
Air New Zealand
8.3
Very good
635 reviews
Check prices

Boarding

8.4

Entertainment

7.9

Overall

8.3

Crew

8.8

Food

7.6

Comfort

8.1

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

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 $1,400 on Cheapflights?

    Yes, there are multiple flights from Seattle to Adelaide for under $1,400. The cheapest flight booked recently is on Air New Zealand for just $1,353, but on average you can expect to pay $1,691.

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

    Air New Zealand, at $1,353, was found to be the cheapest airline from Seattle to Adelaide.Alternate airlines to your destination round-trip include Singapore Airlines and Air Canada. These flights start at 23% 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 5/7.

See more FAQs

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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 May 8, 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 2,749,864 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,097Average$1,757FlexibilityNo cancel feeOn-time74%
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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
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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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