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

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

What airlines fly to Argentina?

LATAM Airlines, American Airlines and Delta 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 35% 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 October 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.

$451 Cheap Flights from Seattle to Argentina in 2026/27

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.

8:00 am - 9:50 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

20h 50m1 stop Miami

8:05 pm - 12:59 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

21h 54m2 stops Lima J Chavez Intl Los Angeles

$1,141LATAM Airlines

Wed, Jan 6 - Wed, Jan 20

8:00 am - 9:50 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

20h 50m1 stop Miami

8:05 pm - 1:00 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

21h 55m2 stops Lima J Chavez Intl Los Angeles

$1,154LATAM Airlines

Tue, Jan 12 - Wed, Feb 17

6:24 pm - 6:35 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

31h 11m3 stops Minneapolis St Paul Miami Punta Cana

8:00 am - 3:40 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

36h 40m3 stops Miami Atlanta Hartsfield-Jackson Denver Intl

$1,167Multiple Airlines

Tue, Nov 24 - Tue, Dec 1

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

30h 02m1 stop Miami

12:20 pm - 3:40 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

32h 20m2 stops Miami Denver Intl

$1,182Multiple Airlines

Tue, Nov 24 - Tue, Dec 1

8:00 am - 9:50 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

20h 50m1 stop Miami

9:30 pm - 10:05 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

17h 35m1 stop Atlanta Hartsfield-Jackson

$1,188LATAM Airlines

Wed, Jan 6 - Wed, Jan 20

8:10 am - 9:50 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

20h 40m1 stop Miami

12:20 pm - 11:33 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

28h 13m1 stop Miami

$1,192Multiple Airlines

Thu, Dec 10 - Tue, Dec 22

11:45 am - 6:35 pmSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

25h 50m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

9:30 pm - 10:26 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

17h 56m1 stop Atlanta Hartsfield-Jackson

$1,231Delta

Thu, Feb 4 - Wed, Feb 17

6:00 am - 9:50 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

22h 50m2 stops Atlanta Hartsfield-Jackson Miami

9:30 pm - 8:50 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

28h 20m1 stop Atlanta Hartsfield-Jackson

$1,231Delta

Mon, Nov 16 - Mon, Nov 30

6:39 am - 9:00 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

21h 21m1 stop Dallas/Fort Worth

10:10 am - 12:59 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

19h 49m1 stop Miami

$1,242American Airlines

Thu, Nov 26 - Sun, Dec 6

10:27 am - 8:15 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

16h 48m1 stop Dallas/Fort Worth

10:25 pm - 4:59 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

23h 34m1 stop Dallas/Fort Worth

$1,242American Airlines

Sun, Nov 15 - Sun, Nov 22

Cheap last minute flights

Enter your travel dates to find the best prices.

4:39 pm - 3:58 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

31h 19m2 stops Los Angeles Panama City Tocumen Intl

5:40 am - 11:16 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

34h 36m2 stops Panama City Tocumen Intl Los Angeles

$1,536Copa Airlines

Sat, Oct 31 - Wed, Nov 11

11:59 pm - 5:50 amSEA Seattle/Tacoma Intl-COR Cordoba Pajas Blancas

24h 51m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

4:10 am - 10:00 pmCOR Cordoba Pajas Blancas-SEA Seattle/Tacoma Intl

22h 50m2 stops Lima J Chavez Intl Miami

$1,600LATAM Airlines

Sun, Nov 1 - Sat, Nov 7

4:39 pm - 3:16 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

30h 37m2 stops Los Angeles Panama City Tocumen Intl

2:33 pm - 9:50 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

36h 17m2 stops Panama City Tocumen Intl Los Angeles

$1,627Copa Airlines

Sat, Oct 31 - Wed, Nov 11

7:22 am - 2:00 pmSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

25h 38m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

5:35 pm - 10:05 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

33h 30m2 stops Lima J Chavez Intl Miami

$1,713LATAM Airlines

Tue, Nov 3 - Sun, Nov 15

3:35 pm - 12:07 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

27h 32m2 stops San Francisco Panama City Tocumen Intl

12:05 am - 9:50 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

26h 45m2 stops Panama City Tocumen Intl Los Angeles

$1,754Copa Airlines

Tue, Nov 3 - Sat, Nov 14

7:35 pm - 12:07 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

23h 32m2 stops San Francisco Panama City Tocumen Intl

4:45 pm - 7:45 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

32h 00m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl

$1,766Multiple Airlines

Tue, Nov 3 - Sun, Nov 15

3:35 pm - 12:07 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

27h 32m2 stops San Francisco Panama City Tocumen Intl

12:05 am - 11:18 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

28h 13m2 stops Panama City Tocumen Intl San Francisco

$1,778Copa Airlines

Tue, Nov 3 - Sat, Nov 14

8:05 am - 10:18 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

21h 13m2 stops Miami Santiago Arturo Merino Benitez

7:35 pm - 12:40 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

22h 05m2 stops Santiago Arturo Merino Benitez Los Angeles

$1,792LATAM Airlines

Tue, Nov 3 - Sun, Nov 15

5:23 pm - 1:11 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

51h 48m2 stops San Francisco Panama City Tocumen Intl

5:16 am - 11:16 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

35h 00m2 stops Panama City Tocumen Intl Los Angeles

$1,806Copa Airlines

Sat, Oct 31 - Wed, Nov 11

7:45 am - 5:30 pmSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

28h 45m2 stops Toronto Pearson Intl Rio de Janeiro–Galeão Intl

10:20 am - 8:59 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

39h 39m2 stops Rio de Janeiro–Galeão Intl Toronto Pearson Intl

$1,846Multiple Airlines

Tue, Nov 3 - Sun, Nov 15

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

LATAM Airlines flights from Seattle to Argentina

Our best LATAM Airlines deals on Seattle to Argentina flight tickets

LATAM Airlines

Jan 6

SEA8:00 amSeattle/Tacoma Intl

20h 50m

1 stop

EZE9:50 amBuenos Aires Ministro Pistarini

Jan 20

EZE8:05 pmBuenos Aires Ministro Pistarini

21h 54m

2 stops

SEA12:59 pmSeattle/Tacoma Intl

$1,141

LATAM Airlines

Jan 7

SEA8:00 amSeattle/Tacoma Intl

20h 50m

1 stop

EZE9:50 amBuenos Aires Ministro Pistarini

Jan 21

EZE9:30 pmBuenos Aires Ministro Pistarini

17h 35m

1 stop

SEA10:05 amSeattle/Tacoma Intl

$1,188

LATAM Airlines

Dec 1

SEA8:10 amSeattle/Tacoma Intl

20h 40m

1 stop

EZE9:50 amBuenos Aires Ministro Pistarini

Dec 9

EZE7:20 amBuenos Aires Ministro Pistarini

21h 35m

2 stops

SEA11:55 pmSeattle/Tacoma Intl

$1,190

Delta flights from Seattle to Argentina

Our best Delta deals on Seattle to Argentina flight tickets

Delta

Nov 16

SEA10:40 pmSeattle/Tacoma Intl

30h 00m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Nov 30

EZE11:35 pmBuenos Aires Ministro Pistarini

20h 01m

1 stop

SEA2:36 pmSeattle/Tacoma Intl

$1,233

Delta

Nov 11

SEA7:15 amSeattle/Tacoma Intl

22h 40m

2 stops

EZE10:55 amBuenos Aires Ministro Pistarini

Nov 25

EZE8:05 pmBuenos Aires Ministro Pistarini

23h 50m

2 stops

SEA2:55 pmSeattle/Tacoma Intl

$1,246

Delta

Feb 14

SEA9:20 pmSeattle/Tacoma Intl

31h 20m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Mar 1

EZE4:00 amBuenos Aires Ministro Pistarini

25h 09m

2 stops

SEA12:09 amSeattle/Tacoma Intl

$1,259

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

Wed 1/6

8:00 am-9:50 am

1 stop20h 50m

Buenos Aires Ministro Pistarini

Wed 1/20

8:05 pm-12:59 pm

2 stops21h 54m

$1,141

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Tue 1/12

8:00 am-9:50 am

1 stop20h 50m

Buenos Aires Ministro Pistarini

Wed 2/17

8:05 pm-1:00 pm

2 stops21h 55m

$1,154

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Tue 11/24

6:24 pm-6:35 am

3 stops31h 11m

Buenos Aires Ministro Pistarini

Tue 12/1

8:00 am-3:40 pm

3 stops36h 40m

$1,167

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Tue 11/24

8:13 am-7:15 pm

1 stop30h 02m

Buenos Aires Ministro Pistarini

Tue 12/1

12:20 pm-3:40 pm

2 stops32h 20m

$1,182

Quickest round-trip

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Wed 1/6

8:00 am-9:50 am

1 stop20h 50m

Buenos Aires Ministro Pistarini

Wed 1/20

9:30 pm-10:05 am

1 stop17h 35m

$1,188

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 12/10

8:10 am-9:50 am

1 stop20h 40m

Buenos Aires Ministro Pistarini

Tue 12/22

12:20 pm-11:33 am

1 stop28h 13m

$1,192

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 2/4

11:45 am-6:35 pm

2 stops25h 50m

Buenos Aires Ministro Pistarini

Wed 2/17

9:30 pm-10:26 am

1 stop17h 56m

$1,231

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Mon 11/16

6:00 am-9:50 am

2 stops22h 50m

Buenos Aires Ministro Pistarini

Mon 11/30

9:30 pm-8:50 pm

1 stop28h 20m

$1,231

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 11/26

6:39 am-9:00 am

1 stop21h 21m

Buenos Aires Ministro Pistarini

Sun 12/6

10:10 am-12:59 am

1 stop19h 49m

$1,242

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Sun 11/15

10:27 am-8:15 am

1 stop16h 48m

Buenos Aires Ministro Pistarini

Sun 11/22

10:25 pm-4:59 pm

1 stop23h 34m

$1,242

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 June is also very affordable. Most momondo users find prices during this month for around $1,346.

Can stopping save me money on Seattle to Argentina flights?

You could potentially save up to 44% 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	$451
Fastest flight time	16h 00m
Direct flights	None

The best one-way flight to Argentina from Seattle in the past 72 hours is $451. The best round-trip flight deal from Seattle to Argentina found on momondo in the last 72 hours is $1,141.

The fastest flight from Seattle to Argentina takes 16h 00m

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 October 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 8,681 reviews	Search Delta flights
LATAM Airlines	PriceFrom $946	Free Cancellation	Rating 7.4 1,969 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $1,126	Free Cancellation	Rating 7.0 12,200 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.