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

LATAM Airlines and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Argentina

What is the most punctual flight time for Seattle to Argentina flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from Seattle to Argentina delayed?

Historically, on average around 100% of flights between Seattle and Argentina have experienced a delay on any given week. The average delay length over the past 12 months has been 99 minutes.

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 4 different airlines that fly to Argentina on a routine basis, so you have a few additional options to choose from.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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 May 2026, there are 4 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.

$394 Cheap Flights from Seattle to Argentina in 2026

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Find the cheapest flights from Seattle to Argentina

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 9:40 am

SEA

EZE

21h 40m

1 stop

9:15 pm - 9:54 pm

EZE

SEA

28h 39m

2 stops

$1,156Multiple Airlines

Fri, Oct 2 - Mon, Oct 12

8:05 am - 7:15 pm

SEA

EZE

31h 10m

1 stop

9:15 pm - 9:57 pm

EZE

SEA

28h 42m

2 stops

$1,160Multiple Airlines

Sun, Aug 23 - Mon, Sep 7

3:33 pm - 7:15 pm

SEA

EZE

23h 42m

2 stops

8:00 am - 10:00 pm

EZE

SEA

18h 00m

1 stop

$1,163Multiple Airlines

Thu, Jul 2 - Wed, Jul 15

7:55 am - 11:35 am

SEA

EZE

23h 40m

1 stop

8:00 am - 9:49 pm

EZE

SEA

17h 49m

1 stop

$1,166Multiple Airlines

Sat, Jun 6 - Tue, Jun 9

3:19 pm - 7:15 pm

SEA

EZE

23h 56m

2 stops

8:00 am - 9:57 pm

EZE

SEA

17h 57m

1 stop

$1,169Multiple Airlines

Tue, Sep 1 - Wed, Sep 16

10:05 am - 7:40 pm

SEA

AEP

29h 35m

2 stops

8:05 pm - 2:47 pm

AEP

SEA

23h 42m

2 stops

$1,339LATAM Airlines

Mon, Jul 20 - Sun, Dec 6

5:30 pm - 4:00 pm

SEA

AEP

18h 30m

2 stops

8:05 pm - 2:51 pm

AEP

SEA

22h 46m

2 stops

$1,347LATAM Airlines

Tue, Jul 14 - Wed, Jul 22

7:20 am - 8:30 am

SEA

AEP

21h 10m

2 stops

3:45 pm - 10:01 pm

AEP

SEA

34h 16m

2 stops

$1,361LATAM Airlines

Wed, Jul 1 - Tue, Jul 14

8:25 am - 2:50 pm

SEA

AEP

26h 25m

2 stops

8:05 pm - 12:29 pm

AEP

SEA

20h 24m

2 stops

$1,369LATAM Airlines

Wed, Jun 24 - Wed, Jul 1

1:00 pm - 6:10 pm

SEA

BRC

25h 10m

2 stops

5:10 pm - 12:07 am

BRC

SEA

34h 57m

2 stops

$3,152GOL

Sun, Jun 28 - Sun, Jul 5

LATAM Airlines flights from Seattle to Argentina

Our best LATAM Airlines deals on Seattle to Argentina flight tickets

LATAM Airlines

Jul 1

SEA8:25 amSeattle/Tacoma Intl

21h 15m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Jul 8

EZE7:16 pmBuenos Aires Ministro Pistarini

21h 14m

2 stops

SEA12:30 pmSeattle/Tacoma Intl

$1,256

LATAM Airlines

Jul 20

SEA10:05 amSeattle/Tacoma Intl

29h 35m

2 stops

AEP7:40 pmBuenos Aires Jorge Newbery

Dec 10

AEP3:40 pmBuenos Aires Jorge Newbery

26h 20m

2 stops

SEA1:00 pmSeattle/Tacoma Intl

$1,339

LATAM Airlines

Jul 14

SEA5:30 pmSeattle/Tacoma Intl

18h 30m

2 stops

AEP4:00 pmBuenos Aires Jorge Newbery

Jul 22

AEP8:05 pmBuenos Aires Jorge Newbery

22h 46m

2 stops

SEA2:51 pmSeattle/Tacoma Intl

$1,347

Air Canada flights from Seattle to Argentina

Our best Air Canada deals on Seattle to Argentina flight tickets

Air Canada

May 24

SEA8:00 amSeattle/Tacoma Intl

26h 30m

2 stops

EZE2:30 pmBuenos Aires Ministro Pistarini

Jun 15

EZE4:35 pmBuenos Aires Ministro Pistarini

32h 33m

2 stops

SEA9:08 pmSeattle/Tacoma Intl

$1,399

Air Canada

May 24

SEA8:00 amSeattle/Tacoma Intl

26h 30m

2 stops

EZE2:30 pmBuenos Aires Ministro Pistarini

Jun 18

EZE4:35 pmBuenos Aires Ministro Pistarini

32h 32m

2 stops

SEA9:07 pmSeattle/Tacoma Intl

$1,449

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Fri 10/2

8:00 am-9:40 am

1 stop21h 40m

Buenos Aires Ministro Pistarini

Mon 10/12

9:15 pm-9:54 pm

2 stops28h 39m

$1,156

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 8/23

8:05 am-7:15 pm

1 stop31h 10m

Buenos Aires Ministro Pistarini

Mon 9/7

9:15 pm-9:57 pm

2 stops28h 42m

$1,160

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 7/2

3:33 pm-7:15 pm

2 stops23h 42m

Buenos Aires Ministro Pistarini

Wed 7/15

8:00 am-10:00 pm

1 stop18h 00m

$1,163

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sat 6/6

7:55 am-11:35 am

1 stop23h 40m

Buenos Aires Ministro Pistarini

Tue 6/9

8:00 am-9:49 pm

1 stop17h 49m

$1,166

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 9/1

3:19 pm-7:15 pm

2 stops23h 56m

Buenos Aires Ministro Pistarini

Wed 9/16

8:00 am-9:57 pm

1 stop17h 57m

$1,169

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 7/20

10:05 am-7:40 pm

2 stops29h 35m

Buenos Aires Jorge Newbery

Sun 12/6

8:05 pm-2:47 pm

2 stops23h 42m

$1,339

Quickest round-trip

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Tue 7/14

5:30 pm-4:00 pm

2 stops18h 30m

Buenos Aires Jorge Newbery

Wed 7/22

8:05 pm-2:51 pm

2 stops22h 46m

$1,347

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Wed 7/1

7:20 am-8:30 am

2 stops21h 10m

Buenos Aires Jorge Newbery

Tue 7/14

3:45 pm-10:01 pm

2 stops34h 16m

$1,361

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Wed 6/24

8:25 am-2:50 pm

2 stops26h 25m

Buenos Aires Jorge Newbery

Wed 7/1

8:05 pm-12:29 pm

2 stops20h 24m

$1,369

SeattleSan Carlos de Bariloche

SEA - BRC

SEABRC

Seattle/Tacoma Intl

Sun 6/28

1:00 pm-6:10 pm

2 stops25h 10m

San Carlos de Bariloche Teniente Luis Candelaria

Sun 7/5

5:10 pm-12:07 am

2 stops34h 57m

$3,152

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

Delays

What is the cheapest month to fly to Argentina?

If you are unable to visit Argentina during the month of August, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around $159.

Can stopping save me money on Seattle to Argentina flights?

You could potentially save up to 43% 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	18h 07m
Direct flights	None

The fastest flight from Seattle to Argentina takes 18h 07m

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

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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 May 2026, there are 4 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
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.4 9,727 reviews	Search United Airlines flights
LATAM Airlines	PriceFrom $696	Free Cancellation	Rating 7.4 1,923 reviews	Search LATAM Airlines flights
Delta	PriceFrom $964	Free Cancellation	Rating 7.9 8,455 reviews	Search Delta flights
American Airlines	PriceFrom $1,075	Free Cancellation	Rating 7.1 11,662 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.