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Cheap flights from Seattle to Australia from $617

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 23/9. 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 — SYD
24 May — 31 May1
1 adult
Fri 24/5
Fri 31/5

How far in advance should I book a flight from Seattle to Australia?

To save on the cost of your flight from Seattle to Australia, book at least 37 days before your planned departure. Booking around this time can save you about 40% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,725 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,106.

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

February can be a great time to fly to Australia from Seattle with a flight ticket averaging about $1,780. Cheapflights users have found deals in the month of February for as cheap as $1,219. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Seattle to Australia (SEA - AU)?

When flying from Seattle to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Hawaiian Airlines flights from Seattle to Australia

Explore cheap flight options specifically provided by Hawaiian Airlines for the route between Seattle and Australia. 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 529,572 searches. Data last updated 19 May 2024.
Check out some of the cheapest Hawaiian Airlines flights we've come across from Seattle to Australia. It's recommended that users confirm their flight details before booking.
Wed 30/1007:40SEA - SYD
1 stop18h 05mHawaiian Airlines
Tue 12/1121:40SYD - SEA
1 stop18h 55mHawaiian Airlines
Deal found 18/5$1,406
Tue 5/1108:10SEA - SYD
1 stop40h 35mHawaiian Airlines
Tue 19/1121:40SYD - SEA
1 stop18h 55mHawaiian Airlines
Deal found 18/5$1,431
Wed 30/1007:40SEA - SYD
1 stop18h 05mHawaiian Airlines
Tue 12/1121:40SYD - SEA
2 stops20h 10mHawaiian Airlines
Deal found 18/5$1,479
Tue 5/1108:10SEA - SYD
1 stop40h 35mHawaiian Airlines
Tue 19/1121:40SYD - SEA
2 stops20h 10mHawaiian Airlines
Deal found 18/5$1,506
Tue 29/1010:10SEA - SYD
2 stops39h 35mHawaiian Airlines
Thu 14/1121:40SYD - SEA
1 stop18h 55mHawaiian Airlines
Deal found 17/5$1,513
Sun 11/810:30SEA - SYD
2 stops40h 15mHawaiian Airlines
Sun 18/821:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 18/5$1,597
Fri 31/508:35SEA - SYD
1 stop18h 10mHawaiian Airlines
Sun 30/621:40SYD - SEA
1 stop17h 05mHawaiian Airlines
Deal found 19/5$1,873
Wed 29/510:30SEA - SYD
2 stops40h 15mHawaiian Airlines
Sat 1/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 18/5$1,912

Cheap Philippine Airlines flights from Seattle to Australia

Explore cheap flight options specifically provided by Philippine Airlines for the route between Seattle and Australia. 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 529,572 searches. Data last updated 19 May 2024.
Some of the lowest-priced Philippine Airlines flights we've found at this time heading from Seattle to Australia. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sun 27/1023:35SEA - SYD
1 stop40h 10mPhilippine Airlines
Wed 13/1111:35SYD - SEA
1 stop25h 40mPhilippine Airlines
Deal found 17/5$1,441
Wed 30/1023:35SEA - SYD
1 stop40h 10mPhilippine Airlines
Wed 13/1111:35SYD - SEA
1 stop25h 40mPhilippine Airlines
Deal found 18/5$1,446
Sun 20/1023:40SEA - SYD
1 stop40h 05mPhilippine Airlines
Wed 6/1111:35SYD - SEA
1 stop25h 40mPhilippine Airlines
Deal found 18/5$1,480
Fri 11/1023:40SEA - SYD
1 stop40h 05mPhilippine Airlines
Sun 20/1011:30SYD - SEA
1 stop25h 45mPhilippine Airlines
Deal found 18/5$1,485

Cheap Seattle to Australia flights in May & June 2024

Find cheap flight options from Seattle to Australia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 529,572 searches. Prices were last updated on 19 May 2024.
These are some of the best deals we've found on flights to Australia in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 4/608:35SEA - MEL
1 stop38h 00mMultiple Airlines
Wed 12/615:45MEL - SEA
2 stops23h 50mMultiple Airlines
Deal found 18/5$1,607
Wed 22/507:40SEA - SYD
1 stop19h 05mHawaiian Airlines
Fri 24/521:40SYD - SEA
1 stop17h 05mHawaiian Airlines
Deal found 18/5$1,612
Sun 2/619:05SEA - SYD
1 stop19h 15mAir Canada
Mon 10/609:20SYD - SEA
1 stop22h 07mAir Canada
Deal found 18/5$1,651
Mon 20/515:10SEA - SYD
1 stop23h 10mAir Canada
Tue 4/609:20SYD - SEA
1 stop20h 07mAir Canada
Deal found 18/5$1,652
Tue 4/608:35SEA - MEL
1 stop38h 00mMultiple Airlines
Wed 12/615:45MEL - SEA
1 stop23h 00mMultiple Airlines
Deal found 18/5$1,685
Mon 20/519:05SEA - SYD
1 stop19h 15mAir Canada
Sat 1/609:20SYD - SEA
1 stop17h 37mAir Canada
Deal found 18/5$1,707
Mon 20/519:05SEA - SYD
2 stops22h 15mMultiple Airlines
Fri 31/509:20SYD - SEA
1 stop20h 07mMultiple Airlines
Deal found 18/5$1,752
Sun 26/519:05SEA - SYD
1 stop19h 15mMultiple Airlines
Fri 31/507:05SYD - SEA
2 stops19h 57mMultiple Airlines
Deal found 18/5$1,757
Thu 23/515:10SEA - SYD
1 stop23h 10mAir Canada
Thu 30/509:20SYD - SEA
1 stop20h 07mAir Canada
Deal found 18/5$1,764

Seattle to Australia 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Australia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 529,572 searches. Data last updated 19 May 2024.
These are some of the best deals we've found on flights to Australia in 2024 at this time. For more flight deals, be sure to check back very soon.
Tue 22/1010:15SEA - PER
1 stop22h 40mSingapore Airlines
Wed 20/1117:30PER - SEA
1 stop29h 45mSingapore Airlines
Deal found 19/5$1,503
Tue 22/1010:15SEA - PER
1 stop22h 40mSingapore Airlines
Mon 18/1117:30PER - SEA
1 stop29h 45mSingapore Airlines
Deal found 19/5$1,525
Thu 31/1015:20SEA - SYD
1 stop23h 00mAir Canada
Mon 4/1109:00SYD - SEA
2 stops19h 16mAir Canada
Deal found 18/5$1,545
Thu 12/907:40SEA - SYD
1 stop38h 00mMultiple Airlines
Thu 19/916:20SYD - SEA
1 stop22h 50mMultiple Airlines
Deal found 18/5$1,564
Fri 1/1119:05SEA - SYD
2 stops22h 45mMultiple Airlines
Wed 20/1111:20SYD - SEA
1 stop22h 11mMultiple Airlines
Deal found 17/5$1,565
Mon 12/815:10SEA - SYD
1 stop23h 10mAir Canada
Mon 19/809:20SYD - SEA
1 stop17h 44mAir Canada
Deal found 18/5$1,574
Sat 26/1019:05SEA - SYD
1 stop19h 15mAir Canada
Fri 15/1111:20SYD - SEA
1 stop16h 56mAir Canada
Deal found 17/5$1,576
Sun 20/1010:15SEA - PER
1 stop22h 40mSingapore Airlines
Wed 20/1101:10PER - SEA
1 stop22h 05mSingapore Airlines
Deal found 19/5$1,577
Thu 31/1015:20SEA - SYD
1 stop23h 00mAir Canada
Sat 9/1111:20SYD - SEA
1 stop16h 56mAir Canada
Deal found 18/5$1,577

Seattle to Australia flights leaving soon

Find last-minute flight options from Seattle to Australia for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 529,572 searches. Data last updated 19 May 2024.
Consider one of these great deals we found on last-minute flights from Seattle to Australia. Tip: verify your flight details before completing your reservation.
Mon 27/519:05SEA - SYD
2 stops22h 45mMultiple Airlines
Mon 3/609:20SYD - SEA
1 stop20h 07mMultiple Airlines
Deal found 19/5$1,697
Sun 26/519:05SEA - SYD
1 stop19h 15mMultiple Airlines
Fri 31/507:05SYD - SEA
2 stops19h 57mMultiple Airlines
Deal found 18/5$1,757
Mon 27/519:05SEA - SYD
2 stops22h 15mMultiple Airlines
Mon 3/606:45SYD - SEA
2 stops20h 12mMultiple Airlines
Deal found 19/5$1,801
Mon 27/512:28SEA - SYD
1 stop25h 37mQantas Airways
Mon 3/609:15SYD - SEA
1 stop28h 35mQantas Airways
Deal found 19/5$1,890
Wed 29/510:30SEA - SYD
2 stops40h 15mHawaiian Airlines
Sat 1/621:40SYD - SEA
2 stops41h 55mHawaiian Airlines
Deal found 18/5$1,912
Wed 29/508:40SEA - SYD
1 stop29h 25mQantas Airways
Sat 1/617:35SYD - SEA
1 stop22h 46mQantas Airways
Deal found 18/5$1,981
Sun 26/511:01SEA - MEL
2 stops28h 14mUnited Airlines
Sun 9/609:30MEL - SEA
1 stop19h 00mUnited Airlines
Deal found 18/5$1,982
Wed 29/515:30SEA - SYD
2 stops22h 50mMultiple Airlines
Sat 1/609:20SYD - SEA
1 stop17h 37mMultiple Airlines
Deal found 18/5$2,037
Sun 26/512:28SEA - SYD
1 stop25h 37mMultiple Airlines
Fri 31/510:20SYD - SEA
1 stop19h 02mMultiple Airlines
Deal found 18/5$2,067

One-way flights to Australia from Seattle

Search for one-way flight options from Seattle to Australia. 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 529,572 searches. Data last updated 19 May 2024.
Users in need of a one-way flight from Seattle to Australia can choose from these deals. Those needing a return flight from Seattle to Australia can use the search form above.
Mon 23/907:40SEA - SYD
1 stop38h 00mMultiple Airlines
Deal found 18/5$617
Wed 13/1108:10SEA - SYD
1 stop36h 25mMultiple Airlines
Deal found 18/5$618
Tue 10/910:10SEA - MEL
2 stops36h 25mMultiple Airlines
Deal found 18/5$721
Tue 10/910:10SEA - MEL
3 stops36h 25mMultiple Airlines
Deal found 18/5$729
Sun 26/520:56SEA - SYD
1 stop24h 44mMultiple Airlines
Deal found 18/5$857
Thu 20/608:35SEA - AVV
2 stops45h 15mMultiple Airlines
Deal found 18/5$868
Sun 30/608:35SEA - SYD
1 stop37h 05mMultiple Airlines
Deal found 17/5$883
Thu 20/608:35SEA - MEL
2 stops54h 05mMultiple Airlines
Deal found 18/5$922
Sun 26/520:56SEA - BNE
2 stops30h 04mMultiple Airlines
Deal found 18/5$940

Find flights from Seattle to Australia within your budget

Customise your flight search to find flights from Seattle to Australia 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 529,572 searches. Data last updated 19 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,328 - $1,788

Route

Depart

Return

Price

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Thu 27/6

1 stop37h 05m

Sydney Kingsford Smith

Tue 9/7

1 stop22h 25m

$1,328

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 30/10

1 stop18h 05m

Sydney Kingsford Smith

Tue 12/11

1 stop18h 55m

$1,406

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 27/10

1 stop40h 10m

Sydney Kingsford Smith

Wed 13/11

1 stop25h 40m

$1,441

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 30/10

1 stop19h 15m

Sydney Kingsford Smith

Sun 17/11

1 stop16h 56m

$1,464

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 22/10

1 stop22h 40m

Perth

Wed 20/11

1 stop29h 45m

$1,503

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 21/10

1 stop20h 05m

Sydney Kingsford Smith

Tue 5/11

1 stop27h 18m

$1,510

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 28/10

2 stops24h 09m

Sydney Kingsford Smith

Wed 13/11

2 stops24h 34m

$1,640

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 16/10

2 stops25h 30m

Sydney Kingsford Smith

Tue 29/10

2 stops25h 03m

$1,752

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 27/10

1 stop33h 45m

Sydney Kingsford Smith

Wed 13/11

2 stops42h 07m

$1,788

Flights are sorted by cheapest first

Deals found on 18/5

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 19 May 2024.
Read through reviews of airlines operating flights from Seattle to Australia, such as Hawaiian Airlines, Philippine Airlines and Air Canada. 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 Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Food

7.9

Boarding

8.5

Comfort

8.1

Entertainment

7.4

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.7
Very Good
76 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Food

7.9

Boarding

8.5

Comfort

8.1

Entertainment

7.4

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Korean Air
8.5
Very Good
1,166 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Food

7.9

Boarding

8.5

Comfort

8.1

Entertainment

7.4

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

ANA
8.5
Very Good
920 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Food

7.9

Boarding

8.5

Comfort

8.1

Entertainment

7.4

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

EVA Air
8.4
Very Good
1,515 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Food

7.9

Boarding

8.5

Comfort

8.1

Entertainment

7.4

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Japan Airlines
8.3
Very Good
1,472 reviews
Air Tahiti Nui
8.7
Very Good
76 reviews
Check prices

Crew

8.9

Overall

8.7

Food

7.9

Boarding

8.5

Comfort

8.1

Entertainment

7.4

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Australia?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Australia. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • Can I find flights from Seattle to Australia for under $1,400 on Cheapflights?

    Yes, there are multiple flights from Seattle to Australia for under $1,400. The cheapest flight booked recently is on Multiple Airlines for just $1,328, but on average you can expect to pay $1,461.

  • Are there last-minute flights available from Seattle to Australia for under $1,700?

    There are currently 20+ open flights from Seattle to Australia within the next 7 days for less than $1,700.

  • What are the cheapest airlines to fly from Seattle to Australia one-way?

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $1,074. Air Canada flights start at $1,202 while deals on Fiji Airways start at $1,261 one-way.

  • What are the most popular routes from Seattle to Australia?

    Most travellers choose Seattle/Tacoma Intl - Sydney Kingsford Smith, Seattle/Tacoma Intl - Melbourne or Seattle/Tacoma Intl - Brisbane when deciding on the best route from Seattle to Australia.

  • What does SEA to SYD mean?

    Great question - SEA to SYD just means Seattle/Tacoma Intl Airport to Sydney Kingsford Smith Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Melbourne Airport (MEL), Brisbane Airport (BNE), Perth Airport (PER), Adelaide Airport (ADL), Coolangatta Gold Coast Airport (OOL).

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

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

    Yes, Cheapflights allows you to browse and filter Seattle to Australia 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 Australia that include hotel bookings?

    Yes. In addition to deals on Seattle to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Australia.

  • Can I find deals for business class flights from Seattle to Australia?

    Yes. Cheapflights offers flight deals from Seattle to Australia 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 Australia that allow pets onboard?

    Many airlines flying from Seattle to Australia 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 Australia?

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

    The Seattle to Australia flight deals you see on this page were last updated on 19/5.

See more FAQs

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Top 4 airlines flying from Seattle to Australia

Discover the top 4 airlines that operate flights from Seattle to Australia. 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 529,572 searches. Data last updated 19 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,195Average$2,179FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,274Average$1,903FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapest$1,842Average$2,694FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$2,415Average$2,675FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
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Search flights from Seattle to Australia by cabin class

Find flights from Seattle to Australia, 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 travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Australia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Australia.

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

Certainly. Search results for flights to Australia 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 Australia become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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