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

Delta 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 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.

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 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.

$416 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.

12:04 pm - 8:00 am

SEA

EZE

15h 56m

1 stop

9:00 pm - 7:12 pm

EZE

SEA

26h 12m

1 stop

$967United Airlines

Thu, Jun 4 - Wed, Jun 17

8:56 am - 8:00 am

SEA

EZE

19h 04m

2 stops

9:00 pm - 4:09 pm

EZE

SEA

23h 09m

2 stops

$971United Airlines

Thu, Jun 4 - Mon, Jun 15

8:25 am - 9:40 am

SEA

EZE

21h 15m

1 stop

7:21 pm - 12:30 pm

EZE

SEA

21h 09m

2 stops

$975LATAM Airlines

Wed, Jun 24 - Mon, Jul 6

5:00 pm - 8:00 am

SEA

EZE

35h 00m

1 stop

9:00 pm - 12:47 pm

EZE

SEA

19h 47m

1 stop

$980United Airlines

Wed, Jun 24 - Tue, Jul 7

8:25 am - 9:40 am

SEA

EZE

21h 15m

1 stop

10:40 pm - 10:01 pm

EZE

SEA

27h 21m

1 stop

$996LATAM Airlines

Wed, Jun 24 - Mon, Jul 6

6:00 am - 9:45 am

SEA

EZE

23h 45m

1 stop

1:10 pm - 10:00 am

EZE

SEA

24h 50m

1 stop

$1,017Delta

Mon, Jun 8 - Mon, Jun 22

7:25 am - 7:40 am

SEA

AEP

20h 15m

2 stops

8:05 pm - 4:47 pm

AEP

SEA

24h 42m

2 stops

$1,067Delta

Thu, Jun 4 - Wed, Jun 17

3:59 pm - 4:00 pm

SEA

AEP

20h 01m

2 stops

3:45 pm - 10:01 pm

AEP

SEA

34h 16m

2 stops

$1,093Multiple Airlines

Tue, Jul 14 - Wed, Jul 22

8:12 am - 4:35 am

SEA

SLA

40h 23m

2 stops

5:45 am - 12:48 pm

SLA

SEA

35h 03m

2 stops

$1,394Multiple Airlines

Mon, Jun 15 - Wed, Jul 1

1:00 pm - 4:15 pm

SEA

MDZ

23h 15m

2 stops

2:20 pm - 12:57 am

MDZ

SEA

38h 37m

2 stops

$1,669American Airlines

Tue, Jun 30 - Fri, Jul 31

United Airlines flights from Seattle to Argentina

Our best United Airlines deals on Seattle to Argentina flight tickets

United Airlines

Jun 4

SEA12:04 pmSeattle/Tacoma Intl

15h 56m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jun 17

EZE9:00 pmBuenos Aires Ministro Pistarini

26h 12m

1 stop

SEA7:12 pmSeattle/Tacoma Intl

$967

United Airlines

Jun 4

SEA5:07 amSeattle/Tacoma Intl

22h 53m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Jun 16

EZE9:00 pmBuenos Aires Ministro Pistarini

17h 47m

1 stop

SEA10:47 amSeattle/Tacoma Intl

$971

United Airlines

Jun 24

SEA5:00 pmSeattle/Tacoma Intl

35h 00m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 7

EZE9:00 pmBuenos Aires Ministro Pistarini

19h 47m

1 stop

SEA12:47 pmSeattle/Tacoma Intl

$980

LATAM Airlines flights from Seattle to Argentina

Our best LATAM Airlines deals on Seattle to Argentina flight tickets

LATAM Airlines

Jun 24

SEA8:25 amSeattle/Tacoma Intl

21h 15m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Jul 6

EZE7:21 pmBuenos Aires Ministro Pistarini

21h 09m

2 stops

SEA12:30 pmSeattle/Tacoma Intl

$975

LATAM Airlines

Jun 24

SEA8:25 amSeattle/Tacoma Intl

21h 15m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Jul 6

EZE10:40 pmBuenos Aires Ministro Pistarini

27h 21m

1 stop

SEA10:01 pmSeattle/Tacoma Intl

$996

LATAM Airlines

Aug 17

SEA8:00 amSeattle/Tacoma Intl

21h 40m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Sep 2

EZE3:55 amBuenos Aires Ministro Pistarini

22h 04m

2 stops

SEA9:59 pmSeattle/Tacoma Intl

$997

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 6/4

12:04 pm-8:00 am

1 stop15h 56m

Buenos Aires Ministro Pistarini

Wed 6/17

9:00 pm-7:12 pm

1 stop26h 12m

$967

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 6/4

8:56 am-8:00 am

2 stops19h 04m

Buenos Aires Ministro Pistarini

Mon 6/15

9:00 pm-4:09 pm

2 stops23h 09m

$971

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 6/24

8:25 am-9:40 am

1 stop21h 15m

Buenos Aires Ministro Pistarini

Mon 7/6

7:21 pm-12:30 pm

2 stops21h 09m

$975

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 6/24

5:00 pm-8:00 am

1 stop35h 00m

Buenos Aires Ministro Pistarini

Tue 7/7

9:00 pm-12:47 pm

1 stop19h 47m

$980

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 6/24

8:25 am-9:40 am

1 stop21h 15m

Buenos Aires Ministro Pistarini

Mon 7/6

10:40 pm-10:01 pm

1 stop27h 21m

$996

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 6/8

6:00 am-9:45 am

1 stop23h 45m

Buenos Aires Ministro Pistarini

Mon 6/22

1:10 pm-10:00 am

1 stop24h 50m

$1,017

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Thu 6/4

7:25 am-7:40 am

2 stops20h 15m

Buenos Aires Jorge Newbery

Wed 6/17

8:05 pm-4:47 pm

2 stops24h 42m

$1,067

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Tue 7/14

3:59 pm-4:00 pm

2 stops20h 01m

Buenos Aires Jorge Newbery

Wed 7/22

3:45 pm-10:01 pm

2 stops34h 16m

$1,093

SeattleSalta

SEA - SLA

SEASLA

Seattle/Tacoma Intl

Mon 6/15

8:12 am-4:35 am

2 stops40h 23m

Salta Martin Miguel de Guemes Intl

Wed 7/1

5:45 am-12:48 pm

2 stops35h 03m

$1,394

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Tue 6/30

1:00 pm-4:15 pm

2 stops23h 15m

Mendoza El Plumerillo

Fri 7/31

2:20 pm-12:57 am

2 stops38h 37m

$1,669

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 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
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
LATAM Airlines	PriceFrom $696	Free Cancellation	Rating 7.4 1,917 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 11,667 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.