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

LATAM Airlines 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 38% 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.

$427 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.

8:07 am - 7:30 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

42h 23m2 stops Miami Lima J Chavez Intl

11:50 am - 9:56 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

39h 06m3 stops Santiago Arturo Merino Benitez Lima J Chavez Intl Miami

$1,057Multiple Airlines

Wed, Nov 11 - Tue, Dec 1

8:07 am - 7:30 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

42h 23m2 stops Miami Lima J Chavez Intl

9:00 am - 9:56 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

41h 56m2 stops Lima J Chavez Intl Miami

$1,058Multiple Airlines

Wed, Nov 11 - Tue, Dec 1

7:15 pm - 5:00 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

29h 45m3 stops Vancouver Intl Toronto Pearson Intl Punta Cana

11:00 am - 1:40 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

31h 40m3 stops Punta Cana Toronto Pearson Intl Calgary

$1,081Multiple Airlines

Sat, Oct 24 - Tue, Nov 10

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, Feb 3

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

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

$1,318LATAM Airlines

Wed, Jan 6 - Wed, Jan 20

7:30 am - 8:30 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

20h 00m1 stop Dallas/Fort Worth

10:30 pm - 8:07 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

26h 37m1 stop Dallas/Fort Worth

$1,378American Airlines

Sun, Jan 17 - Sun, Jan 31

8:30 am - 10:55 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

21h 25m2 stops Salt Lake City New York John F Kennedy Intl

8:05 pm - 4:35 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

25h 30m2 stops New York John F Kennedy Intl Minneapolis St Paul

$1,382Delta

Wed, Jan 20 - Wed, Feb 3

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

21h 00m2 stops Atlanta Hartsfield-Jackson Miami

7:20 am - 12:11 amEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

21h 51m2 stops Lima J Chavez Intl Salt Lake City

$1,382Delta

Wed, Jan 6 - Wed, Jan 20

7:30 am - 9:10 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

20h 40m2 stops Dallas/Fort Worth Miami

11:35 pm - 3:43 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

21h 08m2 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.

10:34 am - 9:40 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

43h 06m2 stops Los Angeles Los Angeles Miami

1:10 pm - 9:54 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

36h 44m1 stop Miami

$1,314Multiple Airlines

Thu, Sep 3 - Sun, Sep 13

10:34 am - 9:40 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

43h 06m2 stops Los Angeles Los Angeles Miami

1:10 pm - 9:54 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

36h 44m1 stop Miami

$1,386Multiple Airlines

Thu, Sep 3 - Sun, Sep 13

8:13 am - 10:00 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

21h 47m1 stop Miami

1:10 pm - 3:08 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

29h 58m2 stops Miami Denver Intl

$1,426Multiple Airlines

Thu, Sep 3 - Sun, Sep 13

8:05 am - 12:00 pmSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

23h 55m2 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

$1,926LATAM Airlines

Mon, Aug 31 - Thu, Sep 17

7:40 am - 7:15 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

19h 35m2 stops Dallas/Fort Worth Miami

8:45 pm - 2:51 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

22h 06m2 stops Miami Dallas/Fort Worth

$1,972American Airlines

Tue, Sep 1 - Sun, Sep 13

7:40 am - 7:15 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

19h 35m2 stops Dallas/Fort Worth Miami

8:45 pm - 1:49 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

21h 04m2 stops Miami Phoenix Sky Harbor Intl

$1,972American Airlines

Tue, Sep 1 - Sun, Sep 13

1:30 pm - 9:45 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

16h 15m1 stop Atlanta Hartsfield-Jackson

7:35 am - 12:27 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

32h 52m2 stops Lima J Chavez Intl Los Angeles Los Angeles

$1,980LATAM Airlines

Tue, Sep 1 - Sun, Sep 13

1:30 pm - 9:45 amSEA Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini

16h 15m1 stop Atlanta Hartsfield-Jackson

7:21 pm - 2:53 pmEZE Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl

23h 32m2 stops Santiago Arturo Merino Benitez Los Angeles Los Angeles

$1,990LATAM Airlines

Tue, Sep 1 - Sun, Sep 13

6:00 am - 7:40 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

21h 40m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:05 pm - 4:07 pmAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

24h 02m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$2,003Delta

Fri, Sep 4 - Thu, Sep 10

6:00 am - 7:40 amSEA Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery

21h 40m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

3:45 pm - 9:50 amAEP Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl

22h 05m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson

$2,003Delta

Fri, Sep 4 - Thu, Sep 10

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Aeromexico flights from Seattle to Argentina

Our best Aeromexico deals on Seattle to Argentina flight tickets

Aeromexico

Feb 9

SEA9:30 amSeattle/Tacoma Intl

31h 20m

1 stop

EZE9:50 pmBuenos Aires Ministro Pistarini

Mar 2

EZE11:55 pmBuenos Aires Ministro Pistarini

25h 00m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,125

Aeromexico

Feb 3

SEA9:30 amSeattle/Tacoma Intl

31h 20m

1 stop

EZE9:50 pmBuenos Aires Ministro Pistarini

Feb 24

EZE11:55 pmBuenos Aires Ministro Pistarini

25h 00m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,133

Aeromexico

Feb 5

SEA9:30 amSeattle/Tacoma Intl

31h 20m

1 stop

EZE9:50 pmBuenos Aires Ministro Pistarini

Feb 24

EZE11:55 pmBuenos Aires Ministro Pistarini

25h 00m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,134

American Airlines flights from Seattle to Argentina

Our best American Airlines deals on Seattle to Argentina flight tickets

American Airlines

Sep 12

SEA10:45 pmSeattle/Tacoma Intl

28h 30m

2 stops

EZE7:15 amBuenos Aires Ministro Pistarini

Sep 25

EZE10:15 pmBuenos Aires Ministro Pistarini

20h 36m

2 stops

SEA2:51 pmSeattle/Tacoma Intl

$1,750

American Airlines

Sep 12

SEA8:24 amSeattle/Tacoma Intl

20h 06m

2 stops

EZE8:30 amBuenos Aires Ministro Pistarini

Sep 25

EZE10:15 pmBuenos Aires Ministro Pistarini

29h 37m

1 stop

SEA11:52 pmSeattle/Tacoma Intl

$1,806

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - AEP Buenos Aires Jorge Newbery

SEAAEP

Seattle/Tacoma Intl

Wed 11/11

8:07 am-7:30 am

2 stops42h 23m

Buenos Aires Jorge Newbery

Tue 12/1

11:50 am-9:56 pm

3 stops39h 06m

$1,057

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - AEP Buenos Aires Jorge Newbery

SEAAEP

Seattle/Tacoma Intl

Wed 11/11

8:07 am-7:30 am

2 stops42h 23m

Buenos Aires Jorge Newbery

Tue 12/1

9:00 am-9:56 pm

2 stops41h 56m

$1,058

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Sat 10/24

7:15 pm-5:00 am

3 stops29h 45m

Buenos Aires Ministro Pistarini

Tue 11/10

11:00 am-1:40 pm

3 stops31h 40m

$1,081

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 2/3

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

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

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

$1,318

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Sun 1/17

7:30 am-8:30 am

1 stop20h 00m

Buenos Aires Ministro Pistarini

Sun 1/31

10:30 pm-8:07 pm

1 stop26h 37m

$1,378

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Wed 1/20

8:30 am-10:55 am

2 stops21h 25m

Buenos Aires Ministro Pistarini

Wed 2/3

8:05 pm-4:35 pm

2 stops25h 30m

$1,382

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Wed 1/6

7:50 am-9:50 am

2 stops21h 00m

Buenos Aires Ministro Pistarini

Wed 1/20

7:20 am-12:11 am

2 stops21h 51m

$1,382

Quickest round-trip

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Sun 1/17

7:30 am-9:10 am

2 stops20h 40m

Buenos Aires Ministro Pistarini

Sun 1/31

11:35 pm-3:43 pm

2 stops21h 08m

$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 $1,283.

Can stopping save me money on Seattle to Argentina flights?

You could potentially save up to 25% 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	$427
Fastest flight time	17h 20m
Direct flights	None

The best one-way flight to Argentina from Seattle in the past 72 hours is $427. 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 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 8,541 reviews	Search Delta flights
LATAM Airlines	PriceFrom $696	Free Cancellation	Rating 7.4 1,988 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $1,126	Free Cancellation	Rating 7.1 12,021 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.