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Cheap flights from Seattle (SEA) to Adelaide (ADL) from $1,406

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 9/3. 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
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
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 June 10, 2024.

Popular in

July

Cheapest in

August

Average price

$1,564

Round-trip from

$1,283
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 June 2024
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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?

August can be a great time to fly to Adelaide from Seattle with a flight ticket averaging about $1,670. Cheapflights users have found deals in the month of August for as cheap as $1,211. The most expensive prices can be found in the month of July.

What is the cheapest time of day to fly from SEA to 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 38% on your trip compared to booking a flight at noon.

Cheap Seattle to Adelaide flights in June & July 2024

Find cheap flight options from Seattle to Adelaide specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 10, 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.
Wed 7/317:25 pmSEA - ADL
2 stops23h 15mUnited Airlines
Mon 8/56:00 amADL - SEA
2 stops24h 59mUnited Airlines
Deal found 6/9$1,575
Tue 7/91:30 pmSEA - ADL
2 stops31h 05mMultiple Airlines
Tue 7/168:00 pmADL - SEA
2 stops35h 04mMultiple Airlines
Deal found 6/9$1,861
Tue 7/912:55 pmSEA - ADL
2 stops28h 55mAir New Zealand
Tue 7/166:00 amADL - SEA
3 stops32h 50mAir New Zealand
Deal found 6/9$1,866
Wed 7/316:32 amSEA - ADL
3 stops55h 38mQatar Airways
Mon 8/59:45 pmADL - SEA
2 stops55h 15mQatar Airways
Deal found 6/9$2,130
Wed 7/314:30 pmSEA - ADL
1 stop30h 30mQatar Airways
Mon 8/59:45 pmADL - SEA
2 stops55h 15mQatar Airways
Deal found 6/9$2,339
Tue 7/94:30 pmSEA - ADL
2 stops61h 10mQatar Airways
Tue 7/169:40 pmADL - SEA
1 stop31h 20mQatar Airways
Deal found 6/9$2,475
Wed 7/314:30 pmSEA - ADL
1 stop30h 30mQatar Airways
Mon 8/59:40 pmADL - SEA
1 stop31h 20mQatar Airways
Deal found 6/9$2,736
Tue 7/91:10 pmSEA - ADL
3 stops35h 55mAir New Zealand
Tue 7/166:30 amADL - SEA
3 stops32h 20mAir New Zealand
Deal found 6/9$2,744
Mon 7/812:13 amSEA - ADL
2 stops43h 47mAmerican Airlines
Tue 7/161:10 pmADL - SEA
2 stops44h 35mAmerican Airlines
Deal found 6/9$2,985

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 3,020,828 searches. Data last updated June 10, 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.
Sun 12/299:00 amSEA - ADL
3 stops33h 30mUnited Airlines
Sun 2/28:10 amADL - SEA
3 stops25h 25mUnited Airlines
Deal found 6/9$1,479
Sun 12/295:30 amSEA - ADL
2 stops37h 00mUnited Airlines
Sun 2/28:10 amADL - SEA
2 stops25h 25mUnited Airlines
Deal found 6/9$1,487
Wed 7/317:25 pmSEA - ADL
2 stops23h 15mUnited Airlines
Mon 8/56:00 amADL - SEA
2 stops24h 59mUnited Airlines
Deal found 6/9$1,575
Thu 11/145:10 pmSEA - ADL
2 stops25h 20mUnited Airlines
Thu 12/128:10 amADL - SEA
2 stops26h 20mUnited Airlines
Deal found 6/9$1,607
Sun 12/298:45 amSEA - ADL
1 stop29h 50mSingapore Airlines
Sun 2/26:35 pmADL - SEA
2 stops36h 52mSingapore Airlines
Deal found 6/9$1,657
Sun 12/298:45 amSEA - ADL
1 stop29h 50mSingapore Airlines
Sun 2/26:35 pmADL - SEA
1 stop55h 10mSingapore Airlines
Deal found 6/9$1,706
Thu 11/148:45 amSEA - ADL
1 stop29h 50mSingapore Airlines
Thu 12/1210:30 amADL - SEA
2 stops41h 00mSingapore Airlines
Deal found 6/9$1,735
Tue 7/91:30 pmSEA - ADL
2 stops31h 05mMultiple Airlines
Tue 7/168:00 pmADL - SEA
2 stops35h 04mMultiple Airlines
Deal found 6/9$1,861
Tue 7/912:55 pmSEA - ADL
2 stops28h 55mAir New Zealand
Tue 7/166:00 amADL - SEA
3 stops32h 50mAir New Zealand
Deal found 6/9$1,866

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 3,020,828 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,406 - $3,336

Route

Depart

Return

Price

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 9/3

3 stops29h 52m

Adelaide

Tue 9/10

3 stops40h 41m

$1,406

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 9/3

2 stops28h 45m

Adelaide

Tue 9/10

3 stops32h 29m

$1,472

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 9/3

2 stops22h 50m

Adelaide

Tue 9/10

2 stops37h 49m

$1,564

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Wed 7/31

2 stops23h 15m

Adelaide

Mon 8/5

2 stops21h 07m

$1,575

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 11/14

3 stops33h 52m

Adelaide

Thu 12/12

3 stops25h 40m

$1,607

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 9/3

1 stop30h 30m

Adelaide

Tue 9/10

2 stops40h 45m

$1,631

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 11/14

1 stop29h 50m

Adelaide

Thu 12/12

2 stops41h 00m

$1,735

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 9/2

2 stops39h 51m

Adelaide

Tue 9/10

2 stops44h 46m

$2,895

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Wed 7/31

3 stops38h 33m

Adelaide

Mon 8/5

3 stops42h 35m

$3,336

Flights are sorted by cheapest first

Deals found on 6/10

What is the cheapest day 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 June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Adelaide flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Seattle to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Seattle with our price prediction graph.
Estimated round-trip 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.

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

If weather is an important factor for your trip to Adelaide, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 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 June 10, 2024.
To help decide which airline to fly from Seattle to Adelaide, see what other customers have to say about Air New Zealand, United Airlines and Qatar 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.
Singapore Airlines
8.3
Very good
1,419 reviews

Overall

8.3

Boarding

8.4

Entertainment

8.2

Crew

8.7

Food

7.8

Comfort

8.1

Reviews

1 / 10

I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.

Singapore Airlines
8.3
Very good
1,419 reviews
Singapore Airlines
8.3
Very good
1,419 reviews

Overall

8.3

Boarding

8.4

Entertainment

8.2

Crew

8.7

Food

7.8

Comfort

8.1

Reviews

1 / 10

I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.

Air New Zealand
8.3
Very good
602 reviews
Singapore Airlines
8.3
Very good
1,419 reviews

Overall

8.3

Boarding

8.4

Entertainment

8.2

Crew

8.7

Food

7.8

Comfort

8.1

Reviews

1 / 10

I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.

Cathay Pacific
7.8
Good
1,030 reviews
Singapore Airlines
8.3
Very good
1,419 reviews

Overall

8.3

Boarding

8.4

Entertainment

8.2

Crew

8.7

Food

7.8

Comfort

8.1

Reviews

1 / 10

I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.

Qatar Airways
7.7
Good
4,306 reviews
Singapore Airlines
8.3
Very good
1,419 reviews

Overall

8.3

Boarding

8.4

Entertainment

8.2

Crew

8.7

Food

7.8

Comfort

8.1

Reviews

1 / 10

I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.

United Airlines
7.4
Good
10,647 reviews
Singapore Airlines
8.3
Very good
1,419 reviews

Overall

8.3

Boarding

8.4

Entertainment

8.2

Crew

8.7

Food

7.8

Comfort

8.1

Reviews

1 / 10

I recently flew to Singapore on flight 21 April 28, 2024. From the time I was greeted at the aircraft door your cabin crew was warm welcoming, smiling and dressed sharped in their uniforms. I've flown around the world and this was my first time on singapore airline. Jason was very attentive to all of my needs. Kelly did made sure my food was correct and it was served at perfect temperature. Mohan check made sure i stayed hydrated they did a beautiful dinner service and lunch service. Everytime I went to the bathroom Ploy had my favorite drink ready. Even though I was in premium economy they gave us first class treatment. I truly enjoyed everything from start to finish on my flight. Even though this is the longest flight in the world I was thankful for the comfort your crew provided me in this journey. Having this amazing crew will surely bring me back on your airline for my vacation travel to Asia. Please give them a special thanks from me. These are memories I will cherish.

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 $1,406, but on average you can expect to pay $2,005.

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

    Air New Zealand, at $1,406, was found to be the cheapest airline from Seattle to Adelaide.Alternate airlines to your destination round-trip include United Airlines and Qatar Airways. These flights start at 15% 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 6/9.

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Seattle to Adelaide (average of $1,283). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Other flights to Adelaide
Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2024.

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Top 3 airlines flying from Seattle to Adelaide

Discover the top 3 airlines 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 3,020,828 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,094Average$1,809FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,236Average$1,407FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,379Average$1,564FlexibilityNo cancel feeOn-time78%
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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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