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 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.

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.

$423 Cheap Flights from Seattle to Argentina in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

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.

10:08 pm - 12:20 pm

SEA

EZE

33h 12m

2 stops

3:15 am - 11:40 pm

EZE

SEA

25h 25m

2 stops

$1,067GOL

Tue, Nov 10 - Sun, Nov 22

10:08 pm - 12:20 pm

SEA

EZE

33h 12m

2 stops

3:15 am - 11:40 pm

EZE

SEA

25h 25m

2 stops

$1,142GOL

Sun, Nov 8 - Mon, Nov 23

10:08 pm - 12:20 pm

SEA

EZE

33h 12m

2 stops

3:15 am - 11:16 pm

EZE

SEA

25h 01m

2 stops

$1,147GOL

Sun, Nov 22 - Wed, Dec 2

9:10 pm - 10:00 am

SEA

EZE

31h 50m

3 stops

11:00 am - 7:15 pm

EZE

SEA

37h 15m

3 stops

$1,157Multiple Airlines

Sun, Nov 8 - Tue, Nov 24

8:00 am - 9:40 am

SEA

EZE

21h 40m

1 stop

2:49 pm - 10:29 am

EZE

SEA

23h 40m

2 stops

$1,166Multiple Airlines

Tue, Sep 8 - Mon, Sep 21

8:05 am - 9:40 am

SEA

EZE

21h 35m

1 stop

7:21 pm - 12:30 pm

EZE

SEA

21h 09m

2 stops

$1,169LATAM Airlines

Tue, Sep 1 - Wed, Sep 16

11:06 am - 7:57 am

SEA

EZE

40h 51m

2 stops

8:00 am - 9:54 pm

EZE

SEA

17h 54m

1 stop

$1,179Multiple Airlines

Mon, Sep 28 - Wed, Oct 28

8:25 am - 2:50 pm

SEA

AEP

26h 25m

2 stops

3:40 pm - 1:00 pm

AEP

SEA

25h 20m

2 stops

$1,280LATAM Airlines

Thu, Oct 22 - Wed, Oct 28

11:59 pm - 12:24 am

SEA

SLA

20h 25m

2 stops

2:00 am - 9:55 pm

SLA

SEA

23h 55m

2 stops

$1,718Copa Airlines

Wed, Sep 30 - Thu, Oct 15

12:56 pm - 5:45 pm

SEA

MDZ

24h 49m

2 stops

2:20 pm - 11:56 am

MDZ

SEA

25h 36m

2 stops

$1,767American Airlines

Sun, Jul 12 - Sun, Jul 19

American Airlines flights from Seattle to Argentina

Our best American Airlines deals on Seattle to Argentina flight tickets

American Airlines

Jul 13

SEA11:40 amSeattle/Tacoma Intl

15h 35m

1 stop

EZE7:15 amBuenos Aires Ministro Pistarini

Jul 27

EZE10:35 pmBuenos Aires Ministro Pistarini

19h 56m

2 stops

SEA2:31 pmSeattle/Tacoma Intl

$1,270

American Airlines

Jul 12

SEA12:56 pmSeattle/Tacoma Intl

24h 49m

2 stops

MDZ5:45 pmMendoza El Plumerillo

Jul 19

MDZ2:20 pmMendoza El Plumerillo

25h 36m

2 stops

SEA11:56 amSeattle/Tacoma Intl

$1,767

LATAM Airlines flights from Seattle to Argentina

Our best LATAM Airlines deals on Seattle to Argentina flight tickets

LATAM Airlines

Sep 1

SEA8:05 amSeattle/Tacoma Intl

21h 35m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Sep 16

EZE7:21 pmBuenos Aires Ministro Pistarini

21h 09m

2 stops

SEA12:30 pmSeattle/Tacoma Intl

$1,169

LATAM Airlines

Sep 9

SEA8:25 amSeattle/Tacoma Intl

21h 15m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Sep 23

EZE7:21 pmBuenos Aires Ministro Pistarini

23h 21m

2 stops

SEA2:42 pmSeattle/Tacoma Intl

$1,199

LATAM Airlines

Oct 5

SEA8:00 amSeattle/Tacoma Intl

21h 40m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Oct 29

EZE7:21 pmBuenos Aires Ministro Pistarini

23h 26m

2 stops

SEA2:47 pmSeattle/Tacoma Intl

$1,215

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 11/10

10:08 pm-12:20 pm

2 stops33h 12m

Buenos Aires Ministro Pistarini

Sun 11/22

3:15 am-11:40 pm

2 stops25h 25m

$1,067

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 11/8

10:08 pm-12:20 pm

2 stops33h 12m

Buenos Aires Ministro Pistarini

Mon 11/23

3:15 am-11:40 pm

2 stops25h 25m

$1,142

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 11/22

10:08 pm-12:20 pm

2 stops33h 12m

Buenos Aires Ministro Pistarini

Wed 12/2

3:15 am-11:16 pm

2 stops25h 01m

$1,147

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 11/8

9:10 pm-10:00 am

3 stops31h 50m

Buenos Aires Ministro Pistarini

Tue 11/24

11:00 am-7:15 pm

3 stops37h 15m

$1,157

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 9/8

8:00 am-9:40 am

1 stop21h 40m

Buenos Aires Ministro Pistarini

Mon 9/21

2:49 pm-10:29 am

2 stops23h 40m

$1,166

Quickest round-trip

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 9/1

8:05 am-9:40 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Wed 9/16

7:21 pm-12:30 pm

2 stops21h 09m

$1,169

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 9/28

11:06 am-7:57 am

2 stops40h 51m

Buenos Aires Ministro Pistarini

Wed 10/28

8:00 am-9:54 pm

1 stop17h 54m

$1,179

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Thu 10/22

8:25 am-2:50 pm

2 stops26h 25m

Buenos Aires Jorge Newbery

Wed 10/28

3:40 pm-1:00 pm

2 stops25h 20m

$1,280

SeattleSalta

SEA - SLA

SEASLA

Seattle/Tacoma Intl

Wed 9/30

11:59 pm-12:24 am

2 stops20h 25m

Salta Martin Miguel de Guemes Intl

Thu 10/15

2:00 am-9:55 pm

2 stops23h 55m

$1,718

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Sun 7/12

12:56 pm-5:45 pm

2 stops24h 49m

Mendoza El Plumerillo

Sun 7/19

2:20 pm-11:56 am

2 stops25h 36m

$1,767

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 41% 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 40m
Direct flights	None

The fastest flight from Seattle to Argentina takes 18h 40m

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 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
LATAM Airlines	PriceFrom $696	Free Cancellation	Rating 7.4 1,919 reviews	Search LATAM Airlines flights
Delta	PriceFrom $964	Free Cancellation	Rating 7.9 8,412 reviews	Search Delta flights
American Airlines	PriceFrom $1,126	Free Cancellation	Rating 7.1 11,642 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.