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Argentina

$407+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EZE
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
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 March 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Wed 4/1510:09 am
SEA
-
EZE
2 stops32h 16m
Multiple Airlines
Wed 4/2210:45 pm
EZE
-
SEA
1 stop27h 02m
Multiple Airlines
Deal found 3/18$1,037
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Sun 5/37:55 am
SEA
-
EZE
2 stops39h 28m
Multiple Airlines
Mon 5/181:10 pm
EZE
-
SEA
1 stop36h 39m
Multiple Airlines
Deal found 3/15$1,054
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 5/511:06 am
SEA
-
EZE
2 stops31h 19m
Multiple Airlines
Mon 5/181:10 pm
EZE
-
SEA
1 stop36h 39m
Multiple Airlines
Deal found 3/15$1,077
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 5/47:15 am
SEA
-
EZE
2 stops21h 00m
Multiple Airlines
Mon 5/181:10 pm
EZE
-
SEA
1 stop36h 39m
Multiple Airlines
Deal found 3/15$1,081
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Sun 5/37:55 am
SEA
-
EZE
2 stops39h 28m
Multiple Airlines
Fri 5/158:00 am
EZE
-
SEA
1 stop17h 49m
Multiple Airlines
Deal found 3/15$1,083
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 5/23:55 pm
SEA
-
EZE
2 stops26h 30m
Multiple Airlines
Wed 5/138:00 am
EZE
-
SEA
1 stop17h 49m
Multiple Airlines
Deal found 3/15$1,084
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Wed 5/63:55 pm
SEA
-
EZE
2 stops26h 30m
Multiple Airlines
Mon 5/181:10 pm
EZE
-
SEA
1 stop36h 39m
Multiple Airlines
Deal found 3/15$1,086
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 5/23:55 pm
SEA
-
EZE
2 stops26h 30m
Multiple Airlines
Mon 5/181:10 pm
EZE
-
SEA
1 stop36h 39m
Multiple Airlines
Deal found 3/15$1,088
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Sun 5/37:55 am
SEA
-
EZE
2 stops39h 28m
Multiple Airlines
Tue 5/191:10 pm
EZE
-
SEA
1 stop36h 39m
Multiple Airlines
Deal found 3/16$1,101
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
Thu 5/711:06 am
SEA
-
EZE
2 stops31h 19m
Multiple Airlines
Fri 5/158:00 am
EZE
-
SEA
1 stop17h 49m
Multiple Airlines
Deal found 3/15$1,107
This oojo deal was found by Cheapflights users on 3/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:05 am
SEA
-
AEP
2 stops26h 55m
Multiple Airlines
Wed 11/253:40 pm
AEP
-
SEA
2 stops26h 00m
Multiple Airlines
Deal found 3/18$1,186
This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:50 am
SEA
-
AEP
2 stops29h 50m
Multiple Airlines
Thu 10/223:45 pm
AEP
-
SEA
2 stops24h 55m
Multiple Airlines
Deal found 3/17$1,201

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 March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,037
(Kiwi.com)

One-way from

$407
(Kiwi.com)

Popular in

April

Cheapest in

June

Average price

$1,218
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 ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 20, 2026.
Use the filters below to find and compare flights from Seattle to Argentina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Tue 5/5

11:10 am-6:25 pm

2 stops27h 15m

Buenos Aires Jorge Newbery

Tue 5/19

7:20 pm-3:05 pm

2 stops23h 45m

$1,239

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Tue 5/5

6:00 am-7:40 am

2 stops21h 40m

Buenos Aires Jorge Newbery

Mon 5/18

8:05 pm-12:15 pm

2 stops20h 10m

$1,239

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Wed 5/6

7:25 am-7:40 am

2 stops20h 15m

Buenos Aires Jorge Newbery

Wed 5/20

8:05 pm-3:05 pm

2 stops23h 00m

$1,239

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Wed 5/6

7:15 am-2:50 pm

2 stops27h 35m

Buenos Aires Jorge Newbery

Thu 5/21

6:20 pm-2:30 pm

2 stops24h 10m

$1,239

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 5/5

7:00 am-8:00 am

1 stop21h 00m

Buenos Aires Ministro Pistarini

Thu 5/21

9:00 pm-7:12 pm

1 stop26h 12m

$1,247

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 5/6

8:45 am-8:00 am

2 stops19h 15m

Buenos Aires Ministro Pistarini

Mon 5/18

9:00 pm-6:00 pm

2 stops25h 00m

$1,251

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 5/10

11:35 pm-9:45 am

1 stop30h 10m

Buenos Aires Ministro Pistarini

Thu 6/4

8:10 pm-10:05 am

1 stop17h 55m

$1,315

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Fri 5/1

7:00 am-8:00 am

1 stop21h 00m

Buenos Aires Ministro Pistarini

Tue 5/19

9:00 pm-12:45 pm

1 stop19h 45m

$1,387

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sat 5/2

7:00 am-8:00 am

1 stop21h 00m

Buenos Aires Ministro Pistarini

Sat 5/9

9:00 pm-7:00 pm

2 stops26h 00m

$1,441

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sun 4/12

11:00 pm-5:40 am

3 stops26h 40m

Buenos Aires Jorge Newbery

Thu 4/30

4:15 am-9:50 am

3 stops33h 35m

$1,450

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 51 resultsSorted by cheapest first
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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 March 20, 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.

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 March 20, 2026.
Read reviews from past customers who have flown Delta,LATAM Airlines, andUnited 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
8,305 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

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
8,305 reviews
Delta
7.9
Good
8,305 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

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
7.4
Good
1,915 reviews
Delta
7.9
Good
8,305 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

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
9,454 reviews
Delta
7.9
Good
8,305 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

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
7.1
Good
11,483 reviews
Delta
7.9
Good
8,305 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

Entertainment

7.8

Crew

8.5

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 $1,247, LATAM Airlines can have you in Argentina from Seattle in 21h. 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 ($698), 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 - Salta Martin Miguel de Guemes Intl.

  • 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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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 March 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$297Average$1,440FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$696Average$1,350FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$1,036Average$1,275FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,095Average$1,404FlexibilityNo cancel feeOn-time69%

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