Argentina

$399+ Cheap flights from Seattle (SEA) to Argentina

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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EZE
Feb 27 — Mar 61
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Cheap flight deals from Seattle to Argentina

Cheapest flights from Seattle to Argentina
Explore the most affordable flight options available from Seattle to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:00 am
SEA
-
EZE
2 stops42h 05m
Delta
Mon 3/2310:25 pm
EZE
-
SEA
1 stop40h 20m
Delta
Deal found 1/27$962
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:20 am
SEA
-
EZE
1 stop22h 55m
Delta
Tue 3/317:45 am
EZE
-
SEA
2 stops30h 16m
Delta
Deal found 1/26$967
This KAYAK deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1511:20 pm
SEA
-
AEP
2 stops28h 35m
LATAM Airlines
Tue 3/313:45 pm
AEP
-
SEA
2 stops34h 03m
LATAM Airlines
Deal found 1/26$967
This KAYAK deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:20 am
SEA
-
EZE
2 stops21h 55m
LATAM Airlines
Tue 3/311:20 pm
EZE
-
SEA
2 stops27h 13m
LATAM Airlines
Deal found 1/26$971
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:45 pm
SEA
-
EZE
1 stop31h 15m
Delta
Mon 3/307:45 am
EZE
-
SEA
2 stops42h 03m
Delta
Deal found 1/26$981
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/289:46 am
SEA
-
EZE
2 stops42h 14m
Multiple Airlines
Mon 3/1611:00 am
EZE
-
SEA
1 stop39h 04m
Multiple Airlines
Deal found 1/26$985
This Expedia deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:08 am
SEA
-
EZE
1 stop21h 27m
Multiple Airlines
Mon 3/303:55 am
EZE
-
SEA
2 stops34h 06m
Multiple Airlines
Deal found 1/26$987
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:08 am
SEA
-
EZE
1 stop31h 07m
Multiple Airlines
Thu 4/24:45 pm
EZE
-
SEA
2 stops33h 15m
Multiple Airlines
Deal found 1/26$995
This SmartFares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:08 am
SEA
-
EZE
1 stop21h 27m
Multiple Airlines
Sun 3/297:35 am
EZE
-
SEA
2 stops42h 13m
Multiple Airlines
Deal found 1/27$996
This Cheapflightsfares deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1710:58 pm
SEA
-
EZE
2 stops30h 17m
LATAM Airlines
Mon 3/303:55 am
EZE
-
SEA
2 stops21h 53m
LATAM Airlines
Deal found 1/26$1,000
This Cheapflightsfares deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:20 am
SEA
-
AEP
2 stops27h 20m
LATAM Airlines
Sun 3/295:05 pm
AEP
-
SEA
2 stops32h 43m
LATAM Airlines
Deal found 1/27$1,000
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:08 am
SEA
-
EZE
1 stop31h 07m
Multiple Airlines
Thu 4/24:45 pm
EZE
-
SEA
2 stops33h 15m
Multiple Airlines
Deal found 1/26$1,003

Find flight deals from Seattle to Argentina

Keep the following information in mind while searching for Seattle to Argentina flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$962
(Delta)

One-way from

$399
(eDestinos)

Popular in

April

Cheapest in

June

Average price

$1,387
Provider with most accurate pricing for Seattle/Tacoma Intl-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Buenos Aires (BUE) flights.
From Seattle/Tacoma Intl to Argentina
One-way flight from Seattle/Tacoma Intl to Argentina
Highest demand for flights based on searches. 2% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Argentina 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 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Seattle to Argentina that are best for you.

Fly from

Seattle

Fly to

Argentina

Route

Depart

Return

Price

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 3/9

8:00 am-6:05 am

2 stops42h 05m

Buenos Aires Ministro Pistarini

Mon 3/23

10:25 pm-10:45 am

1 stop40h 20m

$962

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 3/16

7:20 am-9:15 am

2 stops21h 55m

Buenos Aires Ministro Pistarini

Mon 3/30

11:30 am-9:48 pm

2 stops38h 18m

$967

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 3/16

1:45 pm-1:20 am

2 stops31h 35m

Buenos Aires Ministro Pistarini

Tue 3/31

7:45 am-10:01 am

2 stops30h 16m

$967

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Thu 3/19

8:00 am-7:55 am

2 stops19h 55m

Buenos Aires Jorge Newbery

Tue 3/31

11:45 am-9:48 pm

2 stops38h 03m

$967

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 3/18

6:15 am-9:00 am

1 stop22h 45m

Buenos Aires Ministro Pistarini

Tue 3/31

7:45 am-10:01 am

2 stops30h 16m

$967

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Wed 3/18

7:20 am-2:40 pm

2 stops27h 20m

Buenos Aires Jorge Newbery

Tue 3/31

11:45 am-9:48 pm

2 stops38h 03m

$967

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 3/15

9:45 pm-10:15 am

2 stops32h 30m

Buenos Aires Ministro Pistarini

Tue 3/31

7:45 am-10:01 am

2 stops30h 16m

$971

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 3/15

9:45 pm-9:00 am

1 stop31h 15m

Buenos Aires Ministro Pistarini

Mon 3/30

7:45 am-9:48 pm

2 stops42h 03m

$981

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 3/16

7:20 am-2:40 pm

2 stops27h 20m

Buenos Aires Jorge Newbery

Sun 3/29

5:05 pm-9:48 pm

2 stops32h 43m

$1,000

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 3/16

7:20 am-10:30 am

2 stops23h 10m

Buenos Aires Jorge Newbery

Tue 3/31

3:45 pm-9:48 pm

2 stops34h 03m

$1,000

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 42 results
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Best time to book a flight from Seattle to Argentina

Have a flexible travel schedule? Discover the best time to fly to Argentina 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Argentina

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

Currently, March is the cheapest month in which you can book a flight from Seattle to Argentina (average of $159). Flying from Seattle to Argentina in February is currently the most expensive (average of $1,214). 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.

What is the cheapest time of day to fly from SEA to AR?

Find hourly flight availability from Seattle to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 28, 2026.

It’s typically best to fly out from Seattle to Argentina at noon. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Seattle to Argentina?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Argentina. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Seattle to Argentina flight should consider departing on Monday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from Seattle to Argentina delayed?

About 100% of weekly flights between Seattle and Argentina have experienced delays in the past year, with the average delay time being 99 minutes.

What is the most punctual flight time for Seattle to Argentina flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Seattle to Argentina flights?

Over the last year, Aerolineas Argentinas have had the lowest number of delays on this route, with just 100% of flights being delayed.

Reviews of airlines servicing Argentina

Get insights into the airlines that provide service to Argentina. 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 Argentina. Reviews last updated January 28, 2026.
Read reviews from past customers who have flown Delta, LATAM Airlines, and United Airlines from Seattle to Argentina. 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.

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Argentina. 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 Argentina?

    If you book a flight to Argentina from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How long is the flight from Seattle to Argentina?

    For as low as $967, Delta can have you in Argentina from Seattle in 21h 55m. The distance from Seattle to Argentina is about 6911 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Seattle to Argentina are Copa Airlines ($424), American Airlines ($676), and Delta ($748).

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

  • Can I find deals for flights from Seattle to Argentina that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Argentina by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, March is the cheapest month in which you can book a flight from Seattle to Argentina (average of $159). Flying from Seattle to Argentina in February is currently the most expensive (average of $1,214). 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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Alternative routes for Seattle to Argentina

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Seattle to Argentina

Discover the top 4 airlines that operate flights from Seattle to Argentina. 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 2,558,603 searches. Data last updated January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$297Average$1,295FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$696Average$1,349FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,036Average$1,200FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,179Average$1,275FlexibilityNo cancel feeOn-time69%

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