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

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

What airlines fly to Argentina?

Delta, LATAM Airlines and American Airlines are the top three most popular airlines that fly to Argentina from Seattle according to our data. Delta 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.

$396 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.

11:06 am - 3:00 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

34h 54m2 stops Los Angeles Los Angeles Lima J Chavez Intl

10:45 pm - 9:54 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

28h 09m1 stop Miami

$1,045Multiple Airlines

Mon, Nov 9 - Mon, Nov 16

11:06 am - 5:53 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

37h 47m2 stops Los Angeles Los Angeles Panama City Tocumen Intl

10:45 pm - 9:54 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

28h 09m1 stop Miami

$1,061Multiple Airlines

Mon, Nov 2 - Tue, Nov 17

11:06 am - 5:53 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

37h 47m2 stops Los Angeles Los Angeles Panama City Tocumen Intl

10:45 pm - 9:54 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

28h 09m1 stop Miami

$1,061Multiple Airlines

Tue, Nov 3 - Tue, Nov 17

7:59 am - 9:30 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

45h 31m2 stops Miami Sao Paulo Guarulhos Intl

3:45 pm - 12:27 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

24h 42m2 stops Santiago Arturo Merino Benitez Los Angeles Los Angeles

$1,091LATAM Airlines

Wed, Sep 16 - Wed, Sep 23

9:45 am - 2:50 pmSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

25h 05m2 stops Los Angeles Los Angeles Santiago Arturo Merino Benitez

9:45 pm - 9:49 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

28h 04m2 stops Sao Paulo Guarulhos Intl Orlando

$1,120LATAM Airlines

Thu, Oct 22 - Wed, Oct 28

9:45 am - 11:30 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

21h 45m2 stops Los Angeles Los Angeles Santiago Arturo Merino Benitez

5:00 pm - 9:49 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

32h 49m2 stops Sao Paulo Guarulhos Intl Orlando

$1,120LATAM Airlines

Thu, Oct 22 - Wed, Oct 28

7:50 am - 7:35 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

18h 45m1 stop Atlanta Hartsfield-Jackson

11:35 pm - 6:59 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

24h 24m1 stop Atlanta Hartsfield-Jackson

$1,378Delta

Tue, Jan 12 - Thu, Jan 21

7:20 am - 10:55 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

22h 35m1 stop New York John F Kennedy Intl

8:05 pm - 7:23 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

28h 18m1 stop New York John F Kennedy Intl

$1,378Delta

Thu, Jan 14 - Thu, Jan 28

12:00 pm - 8:30 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

15h 30m1 stop Dallas/Fort Worth

10:30 pm - 3:34 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

22h 04m1 stop Dallas/Fort Worth

$1,378American Airlines

Sun, Jan 17 - Sun, Jan 31

8:35 am - 8:40 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

19h 05m2 stops Dallas/Fort Worth Miami

9:40 pm - 2:13 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

21h 33m2 stops Miami Chicago O'Hare Intl

$1,382American Airlines

Sun, Jan 17 - Sun, Jan 31

Cheap last minute flights

Enter your travel dates to find the best prices.

7:16 am - 10:30 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

23h 14m2 stops Los Angeles Los Angeles Sao Paulo Guarulhos Intl

10:30 pm - 2:50 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

44h 20m2 stops Santiago Arturo Merino Benitez Los Angeles Los Angeles

$1,602LATAM Airlines

Fri, Aug 7 - Sat, Aug 22

11:59 pm - 8:30 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

28h 31m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:05 pm - 11:44 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

31h 39m2 stops Lima J Chavez Intl Los Angeles Los Angeles

$1,985LATAM Airlines

Fri, Aug 7 - Sun, Aug 23

7:26 am - 10:30 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

23h 04m2 stops Los Angeles Los Angeles Sao Paulo Guarulhos Intl

12:55 pm - 2:50 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

29h 55m2 stops Sao Paulo Guarulhos Intl Los Angeles Los Angeles

$2,064Multiple Airlines

Fri, Aug 7 - Sun, Aug 9

3:00 pm - 5:40 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

34h 40m3 stops Vancouver Intl Toronto Pearson Intl Bogotá El Dorado

7:00 am - 2:22 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

35h 22m3 stops Bogotá El Dorado Toronto Pearson Intl Vancouver Intl

$2,736Multiple Airlines

Fri, Aug 7 - Sun, Aug 23

3:00 pm - 5:40 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

34h 40m3 stops Vancouver Intl Toronto Pearson Intl Bogotá El Dorado

1:40 pm - 2:22 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

28h 42m3 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl Vancouver Intl

$2,753Multiple Airlines

Fri, Aug 7 - Sat, Aug 22

11:00 pm - 5:40 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

26h 40m3 stops Guadalajara Miguel Hidal Mexico City Benito Juarez Bogotá El Dorado

6:20 pm - 10:42 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

32h 22m3 stops Sao Paulo Guarulhos Intl Los Angeles Los Angeles Vancouver Intl

$2,946Multiple Airlines

Fri, Aug 7 - Sun, Aug 9

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LATAM Airlines flights from Seattle to Argentina

Our best LATAM Airlines deals on Seattle to Argentina flight tickets

LATAM Airlines

Sep 16

SEA7:59 amSeattle/Tacoma Intl

45h 31m

2 stops

AEP9:30 amBuenos Aires Jorge Newbery

Sep 23

AEP3:45 pmBuenos Aires Jorge Newbery

24h 42m

2 stops

SEA12:27 pmSeattle/Tacoma Intl

$1,091

LATAM Airlines

Oct 22

SEA9:45 amSeattle/Tacoma Intl

21h 45m

2 stops

EZE11:30 amBuenos Aires Ministro Pistarini

Oct 28

EZE5:00 pmBuenos Aires Ministro Pistarini

32h 49m

2 stops

SEA9:49 pmSeattle/Tacoma Intl

$1,120

LATAM Airlines

Sep 16

SEA11:59 pmSeattle/Tacoma Intl

29h 41m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

Sep 23

EZE4:45 pmBuenos Aires Ministro Pistarini

26h 08m

2 stops

SEA2:53 pmSeattle/Tacoma Intl

$1,124

Aeromexico flights from Seattle to Argentina

Our best Aeromexico deals on Seattle to Argentina flight tickets

Aeromexico

Sep 1

SEA9:30 amSeattle/Tacoma Intl

31h 55m

1 stop

EZE9:25 pmBuenos Aires Ministro Pistarini

Sep 8

EZE11:25 pmBuenos Aires Ministro Pistarini

24h 30m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,128

Aeromexico

Sep 6

SEA9:30 amSeattle/Tacoma Intl

31h 55m

1 stop

EZE9:25 pmBuenos Aires Ministro Pistarini

Sep 22

EZE11:25 pmBuenos Aires Ministro Pistarini

24h 30m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,132

Aeromexico

Nov 15

SEA9:30 amSeattle/Tacoma Intl

31h 20m

1 stop

EZE9:50 pmBuenos Aires Ministro Pistarini

Dec 9

EZE11:55 pmBuenos Aires Ministro Pistarini

25h 00m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,137

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 11/9

11:06 am-3:00 am

2 stops34h 54m

Buenos Aires Ministro Pistarini

Mon 11/16

10:45 pm-9:54 pm

1 stop28h 09m

$1,045

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Mon 11/2

11:06 am-5:53 am

2 stops37h 47m

Buenos Aires Ministro Pistarini

Tue 11/17

10:45 pm-9:54 pm

1 stop28h 09m

$1,061

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Tue 11/3

11:06 am-5:53 am

2 stops37h 47m

Buenos Aires Ministro Pistarini

Tue 11/17

10:45 pm-9:54 pm

1 stop28h 09m

$1,061

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - AEP Buenos Aires Jorge Newbery

SEAAEP

Seattle/Tacoma Intl

Wed 9/16

7:59 am-9:30 am

2 stops45h 31m

Buenos Aires Jorge Newbery

Wed 9/23

3:45 pm-12:27 pm

2 stops24h 42m

$1,091

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - AEP Buenos Aires Jorge Newbery

SEAAEP

Seattle/Tacoma Intl

Thu 10/22

9:45 am-2:50 pm

2 stops25h 05m

Buenos Aires Jorge Newbery

Wed 10/28

9:45 pm-9:49 pm

2 stops28h 04m

$1,120

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 10/22

9:45 am-11:30 am

2 stops21h 45m

Buenos Aires Ministro Pistarini

Wed 10/28

5:00 pm-9:49 pm

2 stops32h 49m

$1,120

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Tue 1/12

7:50 am-7:35 am

1 stop18h 45m

Buenos Aires Ministro Pistarini

Thu 1/21

11:35 pm-6:59 pm

1 stop24h 24m

$1,378

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 1/14

7:20 am-10:55 am

1 stop22h 35m

Buenos Aires Ministro Pistarini

Thu 1/28

8:05 pm-7:23 pm

1 stop28h 18m

$1,378

Quickest round-trip

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Sun 1/17

12:00 pm-8:30 am

1 stop15h 30m

Buenos Aires Ministro Pistarini

Sun 1/31

10:30 pm-3:34 pm

1 stop22h 04m

$1,378

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Sun 1/17

8:35 am-8:40 am

2 stops19h 05m

Buenos Aires Ministro Pistarini

Sun 1/31

9:40 pm-2:13 pm

2 stops21h 33m

$1,382

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 $1,216.

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

Fastest flight time	17h 20m
Direct flights	None

The fastest flight from Seattle to Argentina takes 17h 20m

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 8,493 reviews	Search Delta flights
LATAM Airlines	PriceFrom $696	Free Cancellation	Rating 7.4 1,973 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $1,126	Free Cancellation	Rating 7.1 11,867 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.