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.

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

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

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.

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 32% 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.

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.

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 March 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.

$439 Cheap Flights from Seattle to Argentina in 2026

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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.

10:09 am - 10:25 pm

SEA

EZE

32h 16m

2 stops

10:45 pm - 9:47 pm

EZE

SEA

27h 02m

1 stop

$1,037Multiple Airlines

Wed, Apr 15 - Wed, Apr 22

9:40 pm - 7:55 am

SEA

EZE

30h 15m

2 stops

8:00 am - 9:47 pm

EZE

SEA

17h 47m

1 stop

$1,113Multiple Airlines

Thu, Apr 16 - Thu, Apr 23

8:00 am - 7:15 pm

SEA

EZE

31h 15m

1 stop

10:45 pm - 9:47 pm

EZE

SEA

27h 02m

1 stop

$1,119Multiple Airlines

Wed, Apr 15 - Wed, Apr 22

9:41 pm - 5:40 am

SEA

EZE

27h 59m

2 stops

4:50 pm - 11:47 am

EZE

SEA

22h 57m

2 stops

$1,145Multiple Airlines

Wed, Apr 22 - Wed, May 6

6:51 pm - 2:30 am

SEA

EZE

27h 39m

2 stops

3:48 am - 9:56 pm

EZE

SEA

22h 08m

2 stops

$1,199Copa Airlines

Sat, Aug 22 - Sun, Aug 30

7:25 am - 7:40 am

SEA

AEP

20h 15m

2 stops

7:20 pm - 2:30 pm

AEP

SEA

23h 10m

2 stops

$1,239LATAM Airlines

Wed, May 6 - Mon, May 18

11:56 pm - 12:20 am

SEA

COR

20h 24m

2 stops

3:32 am - 9:11 pm

COR

SEA

21h 39m

3 stops

$1,254United Airlines

Tue, Sep 15 - Tue, Sep 22

7:20 am - 2:50 pm

SEA

AEP

27h 30m

2 stops

3:45 pm - 7:33 pm

AEP

SEA

31h 48m

2 stops

$1,266LATAM Airlines

Wed, Jun 24 - Wed, Jul 1

8:38 am - 12:20 am

SEA

COR

59h 42m

3 stops

3:32 am - 1:56 pm

COR

SEA

38h 24m

3 stops

$1,297United Airlines

Tue, Sep 15 - Tue, Sep 22

5:04 pm - 12:25 am

SEA

SLA

27h 21m

2 stops

2:00 am - 7:03 pm

SLA

SEA

21h 03m

2 stops

$1,753Copa Airlines

Mon, Jun 15 - Tue, Jun 30

Copa Airlines flights from Seattle to Argentina

Our best Copa Airlines deals on Seattle to Argentina flight tickets

Copa Airlines

Aug 22

SEA6:51 pmSeattle/Tacoma Intl

27h 39m

2 stops

EZE2:30 amBuenos Aires Ministro Pistarini

Aug 30

EZE3:48 amBuenos Aires Ministro Pistarini

22h 08m

2 stops

SEA9:56 pmSeattle/Tacoma Intl

$1,199

Copa Airlines

Jun 6

SEA5:04 pmSeattle/Tacoma Intl

27h 48m

2 stops

EZE12:52 amBuenos Aires Ministro Pistarini

Jun 29

EZE2:17 amBuenos Aires Ministro Pistarini

26h 56m

2 stops

SEA1:13 amSeattle/Tacoma Intl

$1,249

Copa Airlines

Jun 15

SEA5:04 pmSeattle/Tacoma Intl

27h 21m

2 stops

SLA12:25 amSalta Martin Miguel de Guemes Intl

Jun 30

SLA2:00 amSalta Martin Miguel de Guemes Intl

21h 03m

2 stops

SEA7:03 pmSeattle/Tacoma Intl

$1,753

LATAM Airlines flights from Seattle to Argentina

Our best LATAM Airlines deals on Seattle to Argentina flight tickets

LATAM Airlines

May 28

SEA10:15 amSeattle/Tacoma Intl

21h 15m

2 stops

EZE11:30 amBuenos Aires Ministro Pistarini

Jun 8

EZE7:35 amBuenos Aires Ministro Pistarini

20h 47m

2 stops

SEA12:22 amSeattle/Tacoma Intl

$1,225

LATAM Airlines

Sep 7

SEA8:25 amSeattle/Tacoma Intl

20h 55m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Sep 14

EZE8:10 pmBuenos Aires Ministro Pistarini

17h 55m

1 stop

SEA10:05 amSeattle/Tacoma Intl

$1,227

LATAM Airlines

Sep 7

SEA6:00 amSeattle/Tacoma Intl

23h 20m

2 stops

EZE9:20 amBuenos Aires Ministro Pistarini

Sep 14

EZE8:10 pmBuenos Aires Ministro Pistarini

17h 55m

1 stop

SEA10:05 amSeattle/Tacoma Intl

$1,231

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 4/15

10:09 am-10:25 pm

2 stops32h 16m

Buenos Aires Ministro Pistarini

Wed 4/22

10:45 pm-9:47 pm

1 stop27h 02m

$1,037

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 4/16

9:40 pm-7:55 am

2 stops30h 15m

Buenos Aires Ministro Pistarini

Thu 4/23

8:00 am-9:47 pm

1 stop17h 47m

$1,113

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 4/15

8:00 am-7:15 pm

1 stop31h 15m

Buenos Aires Ministro Pistarini

Wed 4/22

10:45 pm-9:47 pm

1 stop27h 02m

$1,119

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 4/22

9:41 pm-5:40 am

2 stops27h 59m

Buenos Aires Ministro Pistarini

Wed 5/6

4:50 pm-11:47 am

2 stops22h 57m

$1,145

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sat 8/22

6:51 pm-2:30 am

2 stops27h 39m

Buenos Aires Ministro Pistarini

Sun 8/30

3:48 am-9:56 pm

2 stops22h 08m

$1,199

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Wed 5/6

7:25 am-7:40 am

2 stops20h 15m

Buenos Aires Jorge Newbery

Mon 5/18

7:20 pm-2:30 pm

2 stops23h 10m

$1,239

Quickest round-trip

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Tue 9/15

11:56 pm-12:20 am

2 stops20h 24m

Cordoba Pajas Blancas

Tue 9/22

3:32 am-9:11 pm

3 stops21h 39m

$1,254

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Wed 6/24

7:20 am-2:50 pm

2 stops27h 30m

Buenos Aires Jorge Newbery

Wed 7/1

3:45 pm-7:33 pm

2 stops31h 48m

$1,266

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Tue 9/15

8:38 am-12:20 am

3 stops59h 42m

Cordoba Pajas Blancas

Tue 9/22

3:32 am-1:56 pm

3 stops38h 24m

$1,297

SeattleSalta

SEA - SLA

SEASLA

Seattle/Tacoma Intl

Mon 6/15

5:04 pm-12:25 am

2 stops27h 21m

Salta Martin Miguel de Guemes Intl

Tue 6/30

2:00 am-7:03 pm

2 stops21h 03m

$1,753

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 June, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around $1,218.

Can stopping save me money on Seattle to Argentina flights?

You could potentially save up to 39% 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 48m
Direct flights	None

The fastest flight from Seattle to Argentina takes 18h 48m

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

Search flight deals

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 March 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
Delta	PriceFrom $297	Free Cancellation	Rating 7.9 8,313 reviews	Search Delta flights
LATAM Airlines	PriceFrom $696	Free Cancellation	Rating 7.4 1,917 reviews	Search LATAM Airlines flights
American Airlines	PriceFrom $1,036	Free Cancellation	Rating 7.1 11,487 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,095	Free Cancellation	Rating 7.4 9,451 reviews	Search United 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.