What is the cheapest airline that flies from Seattle/Tacoma Intl to Argentina?

Avianca is the most popular carrier operating from Seattle/Tacoma Intl to Argentina

What airlines fly to Argentina?

LATAM Airlines, Delta and American Airlines are the top three most popular airlines that fly to Argentina from Seattle according to our data. LATAM Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Argentina. Keep in mind that there are 3 different airlines that fly to Argentina on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Argentina?

Prices for flights from Seattle/Tacoma Intl Airport to Argentina are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Argentina?

As of August 2026, there are 3 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Argentina.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Argentina?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Argentina.

What documentation or ID do you need to fly to Argentina?

The travel and health documents required for your trip to Argentina can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Argentina. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$411 Cheap Flights from Seattle to Argentina in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Argentina

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:15 pm - 9:40 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

33h 25m2 stops Los Angeles Miami

8:00 am - 9:59 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

17h 59m1 stop Miami

$1,057Multiple Airlines

Mon, Oct 5 - Wed, Oct 14

8:15 pm - 9:40 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

33h 25m2 stops Los Angeles Miami

8:00 am - 9:59 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

17h 59m1 stop Miami

$1,059Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

8:07 am - 3:23 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

38h 16m2 stops Miami Santo Domingo Las Americas

10:45 pm - 11:23 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

17h 38m1 stop Miami

$1,059Multiple Airlines

Sun, Nov 8 - Tue, Nov 24

8:25 am - 9:50 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

20h 25m1 stop Miami

7:20 am - 12:09 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

21h 49m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,289LATAM Airlines

Wed, Jan 20 - Wed, Jan 27

8:05 am - 9:40 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

21h 35m1 stop Miami

5:00 pm - 2:12 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

25h 12m2 stops Sao Paulo Guarulhos Intl Boston Logan Intl

$1,298LATAM Airlines

Thu, Oct 15 - Thu, Oct 29

8:25 am - 9:50 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

20h 25m1 stop Miami

7:20 am - 12:09 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

21h 49m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,308LATAM Airlines

Wed, Jan 6 - Wed, Jan 20

7:30 am - 7:25 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

18h 55m2 stops Dallas/Fort Worth Miami

10:30 pm - 11:20 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

17h 50m1 stop Dallas/Fort Worth

$1,369American Airlines

Thu, Jan 7 - Mon, Jan 25

10:32 am - 8:30 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

16h 58m1 stop Dallas/Fort Worth

10:10 am - 11:42 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

18h 32m1 stop Miami

$1,369American Airlines

Thu, Jan 7 - Mon, Jan 25

7:50 am - 9:40 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

20h 50m1 stop Atlanta Hartsfield-Jackson

7:20 am - 10:05 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

19h 45m2 stops Lima J Chavez Intl Salt Lake City

$1,378Delta

Thu, Jan 7 - Wed, Jan 20

6:00 am - 7:35 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

20h 35m1 stop Atlanta Hartsfield-Jackson

7:20 am - 12:09 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

21h 49m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,378Delta

Tue, Jan 5 - Thu, Jan 21

Cheap last minute flights

Enter your travel dates to find the best prices.

5:51 pm - 4:10 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

30h 19m2 stops Chicago O'Hare Intl Punta Cana

1:10 pm - 10:00 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

36h 50m1 stop Miami

$1,459Multiple Airlines

Fri, Aug 28 - Tue, Sep 1

1:30 pm - 1:20 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

31h 50m2 stops New York John F Kennedy Intl Medellín Jose Maria Cordova Intl

2:30 am - 10:00 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

23h 30m2 stops Medellín Jose Maria Cordova Intl Miami

$1,594Multiple Airlines

Fri, Aug 28 - Mon, Aug 31

8:13 am - 7:15 pmSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

31h 02m1 stop Miami

1:10 pm - 10:00 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

36h 50m1 stop Miami

$1,715Multiple Airlines

Fri, Aug 28 - Tue, Sep 1

11:56 am - 5:00 pmSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

25h 04m2 stops Atlanta Hartsfield-Jackson Rio de Janeiro–Galeão Intl

6:20 pm - 12:27 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

22h 07m2 stops Sao Paulo Guarulhos Intl Los Angeles

$1,795LATAM Airlines

Fri, Aug 28 - Tue, Sep 1

5:50 am - 2:30 pmSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

28h 40m3 stops Vancouver Intl Toronto Pearson Intl Sao Paulo Guarulhos Intl

2:30 am - 10:00 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

23h 30m2 stops Medellín Jose Maria Cordova Intl Miami

$2,098Multiple Airlines

Fri, Aug 28 - Mon, Aug 31

8:50 am - 5:10 pmSEA Seattle/Tacoma Intl-BRC San Carlos de Bariloche Teniente Luis Candelaria

28h 20m2 stops Orlando Sao Paulo Guarulhos Intl

10:50 pm - 12:12 pmBRC San Carlos de Bariloche Teniente Luis Candelaria-SEA Seattle/Tacoma Intl

41h 22m2 stops Buenos Aires Ministro Pistarini Atlanta Hartsfield-Jackson

$3,039Multiple Airlines

Thu, Aug 27 - Thu, Sep 10

8:30 am - 5:10 pmSEA Seattle/Tacoma Intl-BRC San Carlos de Bariloche Teniente Luis Candelaria

28h 40m2 stops Orlando Sao Paulo Guarulhos Intl

10:50 pm - 9:50 amBRC San Carlos de Bariloche Teniente Luis Candelaria-SEA Seattle/Tacoma Intl

39h 00m2 stops Buenos Aires Ministro Pistarini Atlanta Hartsfield-Jackson

$3,069Multiple Airlines

Thu, Aug 27 - Thu, Sep 10

8:30 am - 5:10 pmSEA Seattle/Tacoma Intl-BRC San Carlos de Bariloche Teniente Luis Candelaria

28h 40m2 stops Orlando Sao Paulo Guarulhos Intl

10:50 pm - 9:55 pmBRC San Carlos de Bariloche Teniente Luis Candelaria-SEA Seattle/Tacoma Intl

51h 05m2 stops Buenos Aires Ministro Pistarini Miami

$3,108Multiple Airlines

Thu, Aug 27 - Thu, Sep 10

6:00 am - 3:40 pmSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

29h 40m2 stops Chicago O'Hare Intl Bogotá El Dorado

7:10 am - 11:39 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

32h 29m2 stops Bogotá El Dorado Washington, D.C. Dulles Intl

$4,192Multiple Airlines

Thu, Aug 27 - Sat, Aug 29

9:30 am - 9:25 pmSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

31h 55m1 stop Mexico City Benito Juarez

4:50 pm - 9:37 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

20h 47m2 stops Bogotá El Dorado Washington, D.C. Dulles Intl

$6,245Multiple Airlines

Thu, Aug 27 - Sat, Aug 29

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Aeromexico flights from Seattle to Argentina

Our best Aeromexico deals on Seattle to Argentina flight tickets

Aeromexico

Sep 27

SEA9:30 amSeattle/Tacoma Intl

31h 55m

1 stop

EZE9:25 pmBuenos Aires Ministro Pistarini

Oct 13

EZE11:25 pmBuenos Aires Ministro Pistarini

24h 30m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,166

Aeromexico

Sep 27

SEA9:30 amSeattle/Tacoma Intl

31h 55m

1 stop

EZE9:25 pmBuenos Aires Ministro Pistarini

Oct 13

EZE11:25 pmBuenos Aires Ministro Pistarini

24h 30m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,195

Aeromexico

Sep 22

SEA9:30 amSeattle/Tacoma Intl

31h 55m

1 stop

EZE9:25 pmBuenos Aires Ministro Pistarini

Oct 6

EZE11:25 pmBuenos Aires Ministro Pistarini

24h 30m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,202

Delta flights from Seattle to Argentina

Our best Delta deals on Seattle to Argentina flight tickets

Delta

Oct 25

SEA9:35 pmSeattle/Tacoma Intl

30h 05m

2 stops

AEP7:40 amBuenos Aires Jorge Newbery

Nov 8

AEP5:35 pmBuenos Aires Jorge Newbery

26h 42m

2 stops

SEA3:17 pmSeattle/Tacoma Intl

$1,398

Delta

Nov 9

SEA2:49 pmSeattle/Tacoma Intl

35h 51m

2 stops

AEP7:40 amBuenos Aires Jorge Newbery

Nov 21

AEP5:35 pmBuenos Aires Jorge Newbery

24h 05m

2 stops

SEA12:40 pmSeattle/Tacoma Intl

$1,448

Delta

Oct 30

SEA11:45 amSeattle/Tacoma Intl

24h 15m

2 stops

AEP4:00 pmBuenos Aires Jorge Newbery

Nov 14

AEP5:35 pmBuenos Aires Jorge Newbery

28h 08m

2 stops

SEA4:43 pmSeattle/Tacoma Intl

$1,498

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Mon 10/5

8:15 pm-9:40 am

2 stops33h 25m

Buenos Aires Ministro Pistarini

Wed 10/14

8:00 am-9:59 pm

1 stop17h 59m

$1,057

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Tue 10/6

8:15 pm-9:40 am

2 stops33h 25m

Buenos Aires Ministro Pistarini

Tue 10/13

8:00 am-9:59 pm

1 stop17h 59m

$1,059

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Sun 11/8

8:07 am-3:23 am

2 stops38h 16m

Buenos Aires Ministro Pistarini

Tue 11/24

10:45 pm-11:23 am

1 stop17h 38m

$1,059

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Wed 1/20

8:25 am-9:50 am

1 stop20h 25m

Buenos Aires Ministro Pistarini

Wed 1/27

7:20 am-12:09 am

2 stops21h 49m

$1,289

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 10/15

8:05 am-9:40 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Thu 10/29

5:00 pm-2:12 pm

2 stops25h 12m

$1,298

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Wed 1/6

8:25 am-9:50 am

1 stop20h 25m

Buenos Aires Ministro Pistarini

Wed 1/20

7:20 am-12:09 am

2 stops21h 49m

$1,308

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 1/7

7:30 am-7:25 am

2 stops18h 55m

Buenos Aires Ministro Pistarini

Mon 1/25

10:30 pm-11:20 am

1 stop17h 50m

$1,369

Quickest round-trip

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 1/7

10:32 am-8:30 am

1 stop16h 58m

Buenos Aires Ministro Pistarini

Mon 1/25

10:10 am-11:42 pm

1 stop18h 32m

$1,369

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 1/7

7:50 am-9:40 am

1 stop20h 50m

Buenos Aires Ministro Pistarini

Wed 1/20

7:20 am-10:05 pm

2 stops19h 45m

$1,378

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Tue 1/5

6:00 am-7:35 am

1 stop20h 35m

Buenos Aires Ministro Pistarini

Thu 1/21

7:20 am-12:09 am

2 stops21h 49m

$1,378

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Argentina

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Argentina?

If you are unable to visit Argentina during the month of March, then departing from Seattle during the month November is also very affordable. Most momondo users find prices during this month for around $1,271.

Can stopping save me money on Seattle to Argentina flights?

You could potentially save up to 4% on your flight if you consider stops on a Seattle to Argentina flight.

Cheap Seattle to Argentina flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Argentina

Best Price Found	$411
Fastest flight time	15h 40m
Direct flights	None

The best one-way flight to Argentina from Seattle in the past 72 hours is $411. The best round-trip flight deal from Seattle to Argentina found on momondo in the last 72 hours is $1,057.

The fastest flight from Seattle to Argentina takes 15h 40m

There are no direct flights from Seattle to Argentina. There are no popular flight routes from Seattle to Argentina.

Search flight deals

Frequently asked questions about flying from Seattle to Argentina

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Argentina?
Prices for flights from Seattle/Tacoma Intl Airport to Argentina are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Argentina?
As of August 2026, there are 3 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Argentina.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Argentina?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Argentina.
What documentation or ID do you need to fly to Argentina?
The travel and health documents required for your trip to Argentina can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Argentina. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Seattle to Argentina

Compare and see reviews for airlines that fly from Seattle to Argentina with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $159	Free Cancellation	Rating 7.8 8,520 reviews	Search Delta flights
LATAM Airlines	PriceFrom $696	Free Cancellation	Rating 7.4 1,991 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $1,126	Free Cancellation	Rating 7.1 11,987 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Argentina?

It is quick and easy to find Seattle to Argentina flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Argentina that suits you.

Can I find flights from Seattle to Argentina with flexible booking policies on momondo?

Yes. All flights to Argentina from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Argentina?

Once all potential Seattle to Argentina flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Argentina right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Argentina, momondo offers a useful price alert feature which will track prices for flights to Argentina from Seattle and alert you when they change.