HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Argentina

$401+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EZE
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Argentina with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Argentina

Keep the following information in mind while searching for Seattle to Argentina flight deals. Data was last updated April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$921
(Trip.com)

One-way from

$401
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,460
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. 4% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 April 17, 2025.

This Copa Airlines deal was found by Cheapflights users on 4/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:30 pmSEA - EZE
2 stops24h 38mCopa Airlines
Wed 9/1712:06 amEZE - SEA
2 stops26h 30mCopa Airlines
Deal found 4/16$1,028
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/15:35 amSEA - EZE
3 stops32h 37mMultiple Airlines
Sun 6/87:30 amEZE - SEA
3 stops33h 28mMultiple Airlines
Deal found 4/17$1,029
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:20 amSEA - EZE
1 stop21h 25mDelta
Tue 12/28:55 pmEZE - SEA
1 stop24h 43mDelta
Deal found 4/16$1,075
This LATAM Airlines deal was found by Cheapflights users on 4/17. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:50 amSEA - AEP
2 stops25h 10mLATAM Airlines
Tue 12/27:10 pmAEP - SEA
2 stops22h 15mLATAM Airlines
Deal found 4/17$1,075
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/15:35 amSEA - AEP
3 stops34h 05mMultiple Airlines
Sun 6/88:10 pmAEP - SEA
3 stops30h 03mMultiple Airlines
Deal found 4/17$1,087
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/161:33 amSEA - EZE
1 stop26h 37mAmerican Airlines
Tue 12/210:30 pmEZE - SEA
1 stop19h 08mAmerican Airlines
Deal found 4/16$1,089
This LATAM Airlines deal was found by Cheapflights users on 4/17. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:50 amSEA - EZE
2 stops25h 55mLATAM Airlines
Sat 11/157:00 pmEZE - SEA
2 stops24h 27mLATAM Airlines
Deal found 4/17$1,115
This Air Canada deal was found by Cheapflights users on 4/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:15 pmSEA - EZE
3 stops39h 15mAir Canada
Wed 5/214:35 pmEZE - SEA
2 stops22h 10mAir Canada
Deal found 4/15$1,119
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:00 pmSEA - EZE
2 stops33h 20mUnited Airlines
Tue 12/211:55 pmEZE - SEA
3 stops25h 59mUnited Airlines
Deal found 4/16$1,130
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:54 pmSEA - EZE
2 stops35h 26mAvianca
Thu 9/184:45 pmEZE - SEA
2 stops33h 43mAvianca
Deal found 4/16$1,162
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3111:16 amSEA - MDZ
3 stops53h 49mMultiple Airlines
Sat 6/77:35 amMDZ - SEA
3 stops42h 25mMultiple Airlines
Deal found 4/16$1,167
This Aeromexico deal was found by Cheapflights users on 4/16. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:30 amSEA - EZE
1 stop31h 55mAeromexico
Wed 9/1711:25 pmEZE - SEA
1 stop24h 35mAeromexico
Deal found 4/16$1,169

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 April 17, 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

Thu 9/11

5:30 pm-10:08 pm

2 stops24h 38m

Buenos Aires Ministro Pistarini

Wed 9/17

12:06 am-10:36 pm

2 stops26h 30m

$1,028

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 6/1

5:35 am-6:12 pm

3 stops32h 37m

Buenos Aires Ministro Pistarini

Sun 6/8

7:30 am-12:58 pm

3 stops33h 28m

$1,029

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sun 6/1

5:35 am-7:40 pm

3 stops34h 05m

Buenos Aires Jorge Newbery

Sun 6/8

8:10 pm-10:13 pm

3 stops30h 03m

$1,087

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 5/12

7:15 pm-2:30 pm

3 stops39h 15m

Buenos Aires Ministro Pistarini

Wed 5/21

4:35 pm-10:45 am

2 stops22h 10m

$1,119

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 9/11

11:54 pm-3:20 pm

2 stops35h 26m

Buenos Aires Ministro Pistarini

Thu 9/18

4:45 pm-10:28 pm

2 stops33h 43m

$1,162

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Sat 5/31

11:16 am-9:05 pm

3 stops53h 49m

Mendoza El Plumerillo

Sat 6/7

7:35 am-10:00 pm

3 stops42h 25m

$1,167

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 9/9

9:30 am-9:25 pm

1 stop31h 55m

Buenos Aires Ministro Pistarini

Tue 9/16

11:25 pm-8:00 pm

1 stop24h 35m

$1,169

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 9/10

1:45 pm-9:45 am

1 stop16h 00m

Buenos Aires Ministro Pistarini

Thu 9/18

8:10 pm-2:52 pm

1 stop22h 42m

$1,175

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sun 8/17

8:00 am-4:00 pm

2 stops28h 00m

Buenos Aires Jorge Newbery

Sun 9/7

8:10 pm-10:00 pm

2 stops29h 50m

$1,175

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 9/8

7:05 am-8:00 am

1 stop20h 55m

Buenos Aires Ministro Pistarini

Tue 9/16

9:00 pm-3:54 pm

2 stops22h 54m

$1,180

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 35 results
1
2
3
4

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, April is the cheapest month in which you can book a flight from Seattle to Argentina (average of $795). Flying from Seattle to Argentina in December is currently the most expensive (average of $1,260). 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 April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Argentina as you normally would.

Rainfall in Argentina by month

Plan your trip to Argentina by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Argentina ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Argentina when rainfall is around 2.0 in.

Temperature in Argentina by month

Plan your trip to Argentina by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Argentina, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 April 17, 2025.
Read reviews from past customers who have flown Delta, Copa Airlines and LATAM Airlines from Seattle to Argentina. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,409 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,761 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aeromexico
7.5
Good
1,699 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 ($541), Air Canada ($563), 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, April is the cheapest month in which you can book a flight from Seattle to Argentina (average of $795). Flying from Seattle to Argentina in December is currently the most expensive (average of $1,260). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Guarulhos Intl flights
Seattle to Lima flights
Seattle to Brasilia flights
Seattle to Bogotá flights
Seattle to Jose Maria Cordova Intl flights
Portland to Lima flights
Seattle to Quito flights
Seattle to Viracopos flights
Seattle to Ministro Pistarini flights
Seattle to Guayaquil flights
Portland to Jose Maria Cordova Intl flights
Seattle to Rio de Janeiro–Galeão Intl flights
Seattle to Jorge Newbery flights
Seattle to Santiago flights
Seattle to Iquitos flights
Seattle to Santos Dumont flights
Seattle to Cartagena flights
Portland to Bogotá flights
Seattle to Cuzco flights
Portland to Guarulhos Intl flights
Portland to Ministro Pistarini flights
Portland to Cuzco flights
Portland to Santiago flights
Portland to Cartagena flights
Portland to Rio de Janeiro–Galeão Intl flights
Seattle to Cali flights
Portland to Jorge Newbery flights
Seattle to Baltra flights
Portland to Montevideo flights
Portland to Quito flights
Portland to Santos Dumont flights
Seattle to Salvador flights
Seattle to Belo Horizonte flights
Seattle to La Paz flights
Seattle to Mendoza flights
Seattle to Cordoba flights
Seattle to Montevideo flights
Seattle to Pereira flights
Portland to Salvador flights
Seattle to San Andrés flights
Seattle to Barranquilla flights
Seattle to Asuncion flights
Seattle to Santa Cruz de la Sierra flights
Spokane to Quito flights
Portland to La Paz flights
Seattle to Goiânia flights
Seattle to Porto Alegre flights
Seattle to Santa Marta flights
Spokane to Ministro Pistarini flights

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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,100Average$1,366FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$1,113Average$1,443FlexibilityNo cancel feeOn-time81%
DeltaCheapest$1,113Average$1,447FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,200Average$1,375FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.