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Cheap flights from Seattle (SEA) to Adelaide (ADL) from $1,244

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 7/31. 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 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
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 2, 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 United Airlines flights from Seattle to Adelaide

Explore cheap flight options specifically provided by United 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 2,807,690 searches. Data last updated June 2, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from Seattle to Adelaide. Deals update often to give you more flight options matching your criteria
Wed 7/3112:55 pmSEA - ADL
2 stops29h 45mUnited Airlines
Mon 8/56:00 amADL - SEA
2 stops21h 07mUnited Airlines
Deal found 6/1$1,244
Thu 6/133:30 pmSEA - ADL
2 stops27h 05mUnited Airlines
Sun 6/166:05 amADL - SEA
2 stops21h 55mUnited Airlines
Deal found 6/2$1,279
Fri 6/147:42 pmSEA - ADL
2 stops22h 53mUnited Airlines
Mon 6/176:00 amADL - SEA
2 stops29h 16mUnited Airlines
Deal found 6/2$1,285
Thu 11/148:38 amSEA - ADL
3 stops33h 52mUnited Airlines
Thu 12/128:10 amADL - SEA
3 stops31h 49mUnited Airlines
Deal found 6/1$1,329
Sat 6/2911:37 amSEA - ADL
2 stops30h 48mUnited Airlines
Sat 7/66:00 amADL - SEA
2 stops35h 22mUnited Airlines
Deal found 6/1$1,349

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 2,807,690 searches. Data last updated June 2, 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.
Thu 11/148:45 amSEA - ADL
1 stop29h 50mSingapore Airlines
Thu 12/1210:30 amADL - SEA
2 stops41h 00mSingapore Airlines
Deal found 6/1$1,734
Sat 6/2910:15 amSEA - ADL
1 stop28h 40mSingapore Airlines
Sat 7/69:10 amADL - SEA
2 stops55h 19mSingapore Airlines
Deal found 6/1$3,197
Sat 6/2910:15 amSEA - ADL
1 stop28h 40mSingapore Airlines
Sat 7/69:10 amADL - SEA
1 stop40h 05mSingapore Airlines
Deal found 6/1$3,981
Fri 6/287:12 pmSEA - ADL
2 stops43h 43mSingapore Airlines
Thu 7/49:10 amADL - SEA
2 stops40h 11mSingapore Airlines
Deal found 6/1$5,889

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 2,807,690 searches. Prices were last updated on June 2, 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.
Thu 6/133:30 pmSEA - ADL
2 stops27h 05mUnited Airlines
Sun 6/166:05 amADL - SEA
2 stops21h 55mUnited Airlines
Deal found 6/2$1,279
Sat 6/2911:37 amSEA - ADL
2 stops30h 48mUnited Airlines
Sat 7/66:00 amADL - SEA
2 stops35h 22mUnited Airlines
Deal found 6/1$1,349
Sat 6/298:47 amSEA - ADL
3 stops34h 18mMultiple Airlines
Sat 7/68:45 pmADL - SEA
2 stops32h 15mMultiple Airlines
Deal found 6/1$2,088
Sat 6/298:47 amSEA - ADL
3 stops34h 18mMultiple Airlines
Sat 7/67:50 pmADL - SEA
3 stops30h 44mMultiple Airlines
Deal found 6/1$2,183
Sat 6/2910:15 amSEA - ADL
1 stop28h 40mSingapore Airlines
Sat 7/69:10 amADL - SEA
2 stops55h 19mSingapore Airlines
Deal found 6/1$3,197
Sat 6/294:30 pmSEA - ADL
1 stop30h 30mQatar Airways
Sat 7/69:40 pmADL - SEA
1 stop31h 20mQatar Airways
Deal found 6/1$3,644
Fri 6/281:14 amSEA - ADL
2 stops42h 46mAmerican Airlines
Sat 7/63:45 pmADL - SEA
2 stops49h 28mAmerican Airlines
Deal found 6/1$3,827
Sat 6/2910:15 amSEA - ADL
1 stop28h 40mSingapore Airlines
Sat 7/69:10 amADL - SEA
1 stop40h 05mSingapore Airlines
Deal found 6/1$3,981
Fri 6/281:50 amSEA - ADL
2 stops37h 05mMultiple Airlines
Sat 7/69:40 pmADL - SEA
1 stop31h 20mMultiple Airlines
Deal found 6/1$4,591

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 2,807,690 searches. Data last updated June 2, 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 7/3112:55 pmSEA - ADL
2 stops29h 45mUnited Airlines
Mon 8/56:00 amADL - SEA
2 stops28h 52mUnited Airlines
Deal found 6/2$1,244
Thu 6/133:30 pmSEA - ADL
2 stops27h 05mUnited Airlines
Sun 6/166:05 amADL - SEA
2 stops21h 55mUnited Airlines
Deal found 6/2$1,279
Thu 11/148:38 amSEA - ADL
3 stops33h 52mUnited Airlines
Thu 12/128:10 amADL - SEA
3 stops31h 49mUnited Airlines
Deal found 6/1$1,329
Sat 6/2911:37 amSEA - ADL
2 stops30h 48mUnited Airlines
Sat 7/66:00 amADL - SEA
2 stops35h 22mUnited Airlines
Deal found 6/1$1,349
Thu 11/148:45 amSEA - ADL
1 stop29h 50mSingapore Airlines
Thu 12/1210:30 amADL - SEA
2 stops41h 00mSingapore Airlines
Deal found 6/1$1,734
Wed 7/314:30 pmSEA - ADL
2 stops33h 15mAir New Zealand
Mon 8/56:30 amADL - SEA
3 stops32h 45mAir New Zealand
Deal found 6/1$2,086
Sat 6/298:47 amSEA - ADL
3 stops34h 18mMultiple Airlines
Sat 7/68:45 pmADL - SEA
2 stops32h 15mMultiple Airlines
Deal found 6/1$2,088
Sat 6/298:47 amSEA - ADL
3 stops34h 18mMultiple Airlines
Sat 7/67:50 pmADL - SEA
3 stops30h 44mMultiple Airlines
Deal found 6/1$2,183
Wed 7/314:30 pmSEA - ADL
1 stop30h 30mQatar Airways
Mon 8/59:45 pmADL - SEA
2 stops55h 15mQatar Airways
Deal found 6/1$2,230

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 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,244 - $3,294

Route

Depart

Return

Price

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Wed 7/31

2 stops29h 45m

Adelaide

Mon 8/5

2 stops21h 07m

$1,244

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 6/13

2 stops27h 05m

Adelaide

Sun 6/16

2 stops21h 55m

$1,279

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 6/14

2 stops22h 53m

Adelaide

Mon 6/17

2 stops29h 16m

$1,285

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 11/14

3 stops33h 52m

Adelaide

Thu 12/12

3 stops31h 49m

$1,329

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 11/14

1 stop29h 50m

Adelaide

Thu 12/12

2 stops41h 00m

$1,734

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Wed 7/31

2 stops33h 15m

Adelaide

Mon 8/5

3 stops32h 45m

$2,086

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 6/29

3 stops34h 18m

Adelaide

Sat 7/6

2 stops32h 15m

$2,088

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Wed 7/31

1 stop30h 30m

Adelaide

Mon 8/5

2 stops55h 15m

$2,230

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Wed 7/31

3 stops38h 33m

Adelaide

Mon 8/5

3 stops39h 06m

$3,294

Flights are sorted by cheapest first

Deals found on 6/1

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 2, 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

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 2, 2024.
To help decide which airline to fly from Seattle to Adelaide, see what other customers have to say about United Airlines, Singapore Airlines and Air New Zealand. 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
605 reviews
Check prices

Boarding

8.4

Entertainment

7.9

Comfort

8.1

Overall

8.3

Crew

8.7

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

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

Boarding

8.4

Entertainment

7.9

Comfort

8.1

Overall

8.3

Crew

8.7

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Singapore Airlines
8.2
Very good
1,424 reviews
Air New Zealand
8.3
Very good
605 reviews
Check prices

Boarding

8.4

Entertainment

7.9

Comfort

8.1

Overall

8.3

Crew

8.7

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Emirates
8.1
Very good
3,907 reviews
Air New Zealand
8.3
Very good
605 reviews
Check prices

Boarding

8.4

Entertainment

7.9

Comfort

8.1

Overall

8.3

Crew

8.7

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Cathay Pacific
7.8
Good
1,049 reviews
Air New Zealand
8.3
Very good
605 reviews
Check prices

Boarding

8.4

Entertainment

7.9

Comfort

8.1

Overall

8.3

Crew

8.7

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

Qatar Airways
7.7
Good
4,324 reviews
Air New Zealand
8.3
Very good
605 reviews
Check prices

Boarding

8.4

Entertainment

7.9

Comfort

8.1

Overall

8.3

Crew

8.7

Food

7.6

Reviews

1 / 10

Terrible. Boarding pass priority boarding. Got no service, no food which looked yucky, why seat people in first class then treat them low class?

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 $1,300 on Cheapflights?

    Yes, there are multiple flights from Seattle to Adelaide for under $1,300. The cheapest flight booked recently is on United Airlines for just $1,244, but on average you can expect to pay $2,706.

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

    United Airlines, at $1,244, was found to be the cheapest airline from Seattle to Adelaide.Alternate airlines to your destination round-trip include Singapore Airlines and Air New Zealand. These flights start at 25% 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 6/2.

  • 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

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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 2, 2024.

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Top 2 airlines flying from Seattle to Adelaide

Discover the top 2 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 2,807,690 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,094Average$1,743FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,379Average$1,564FlexibilityNo cancel feeOn-time78%
Search Air New Zealand 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.
First Class
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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