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Argentina

$396+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EZE
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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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 December 14, 2025.

This Trip.com deal was found by Cheapflights users on 12/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/159:45 amSEA - EZE
2 stops28h 30mMultiple Airlines
Tue 1/610:45 pmEZE - SEA
2 stops41h 36mMultiple Airlines
Deal found 12/14$1,528
This Copa Airlines deal was found by Cheapflights users on 12/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:34 pmSEA - EZE
2 stops27h 36mCopa Airlines
Sat 1/105:16 amEZE - SEA
2 stops20h 59mCopa Airlines
Deal found 12/14$1,568
This deal was found by Cheapflights users on 12/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:45 amSEA - EZE
1 stop19h 35mUnited Airlines
Wed 12/3110:05 pmEZE - SEA
1 stop19h 44mUnited Airlines
Deal found 12/12$1,624
This Copa Airlines deal was found by Cheapflights users on 12/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:45 pmSEA - EZE
2 stops25h 46mCopa Airlines
Sat 1/105:16 amEZE - SEA
2 stops20h 59mCopa Airlines
Deal found 12/14$1,653
This United Airlines deal was found by Cheapflights users on 12/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:45 amSEA - EZE
1 stop21h 35mUnited Airlines
Sun 12/2810:05 pmEZE - SEA
2 stops25h 01mUnited Airlines
Deal found 12/13$1,655
This Cheapflightsfares deal was found by Cheapflights users on 12/13. 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.
Thu 12/2512:00 pmSEA - EZE
1 stop16h 00mLATAM Airlines
Sun 12/288:55 pmEZE - SEA
1 stop20h 26mLATAM Airlines
Deal found 12/13$1,717
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:10 amSEA - EZE
1 stop21h 10mUnited Airlines
Tue 12/1611:55 pmEZE - SEA
1 stop17h 47mUnited Airlines
Deal found 12/14$1,754
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:10 amSEA - EZE
1 stop21h 10mUnited Airlines
Thu 12/1811:55 pmEZE - SEA
2 stops23h 50mUnited Airlines
Deal found 12/14$1,758
This deal was found by Cheapflights users on 12/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:45 amSEA - EZE
1 stop19h 35mUnited Airlines
Tue 12/3010:05 pmEZE - SEA
1 stop19h 42mUnited Airlines
Deal found 12/12$1,792
This LATAM Airlines deal was found by Cheapflights users on 12/14. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:45 amSEA - EZE
1 stop19h 50mMultiple Airlines
Wed 1/711:55 pmEZE - SEA
1 stop17h 25mMultiple Airlines
Deal found 12/14$1,851
This United Airlines deal was found by Cheapflights users on 12/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:40 amSEA - EZE
2 stops19h 40mUnited Airlines
Wed 1/711:55 pmEZE - SEA
2 stops23h 31mUnited Airlines
Deal found 12/14$1,878
This LATAM Airlines deal was found by Cheapflights users on 12/14. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:45 amSEA - EZE
1 stop19h 50mMultiple Airlines
Sat 1/1011:55 pmEZE - SEA
1 stop17h 25mMultiple Airlines
Deal found 12/14$1,896

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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$946
(LATAM Airlines)

One-way from

$396
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$1,455
Provider with most accurate pricing for Seattle/Tacoma Intl-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Buenos Aires (BUE) flights.
Search Deals
From Seattle/Tacoma Intl to Argentina
Search Deals
One-way flight from Seattle/Tacoma Intl to Argentina
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 14, 2025.
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

Tue 3/3

7:10 am-10:15 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Tue 3/17

7:43 pm-2:41 pm

2 stops22h 58m

$946

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 3/3

6:45 am-7:20 am

1 stop19h 35m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-1:07 pm

1 stop20h 02m

$966

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Tue 3/10

7:20 am-10:30 am

2 stops23h 10m

Buenos Aires Jorge Newbery

Tue 3/17

2:55 pm-2:31 pm

2 stops27h 36m

$966

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sun 3/22

8:00 am-4:00 pm

2 stops28h 00m

Buenos Aires Jorge Newbery

Sun 3/29

5:05 pm-9:49 pm

2 stops32h 44m

$966

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 3/1

7:10 pm-7:20 am

2 stops31h 10m

Buenos Aires Ministro Pistarini

Thu 3/12

10:55 pm-6:32 pm

2 stops23h 37m

$970

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 3/10

11:59 pm-6:20 am

2 stops26h 21m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-11:28 pm

3 stops30h 23m

$970

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 3/2

7:10 am-10:30 am

2 stops22h 20m

Buenos Aires Jorge Newbery

Mon 3/16

3:40 pm-12:49 pm

2 stops25h 09m

$996

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 3/2

7:10 am-10:30 am

2 stops22h 20m

Buenos Aires Jorge Newbery

Mon 3/23

5:15 pm-9:49 pm

2 stops32h 34m

$998

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 1/26

7:15 am-9:15 am

2 stops21h 00m

Buenos Aires Ministro Pistarini

Tue 3/10

7:43 pm-12:47 pm

2 stops21h 04m

$1,002

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 3/15

11:30 pm-9:00 am

1 stop29h 30m

Buenos Aires Ministro Pistarini

Sun 3/22

3:55 pm-9:49 pm

2 stops33h 54m

$1,005

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 46 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, June is the cheapest month in which you can book a flight from Seattle to Argentina (average of $691). Flying from Seattle to Argentina in October is currently the most expensive (average of $1,227). 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 December 14, 2025.

It’s typically best to fly out from Seattle to Argentina at noon. Doing so could potentially save you 23% 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 December 16, 2024.

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 December 14, 2025.
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.
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

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.
Delta
7.9
Good
8,006 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

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.
LATAM Airlines
7.5
Good
1,891 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

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.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

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.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,006 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.9

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 $966, LATAM Airlines can have you in Argentina from Seattle in 19h 35m. 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 ($423), American Airlines ($676), and Delta ($748).

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

    The most popular route from Seattle to Argentina is Seattle/Tacoma Intl - Buenos Aires Ministro Pistarini. You may also consider Seattle/Tacoma Intl - Buenos Aires Jorge Newbery or Seattle/Tacoma Intl - Mendoza El Plumerillo.

  • 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, June is the cheapest month in which you can book a flight from Seattle to Argentina (average of $691). Flying from Seattle to Argentina in October is currently the most expensive (average of $1,227). 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.
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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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$1,014Average$1,411FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,036Average$1,355FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,045Average$1,348FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,200Average$1,275FlexibilityNo cancel feeOn-time69%

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