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

Aeromexico is the most popular carrier operating from Seattle/Tacoma Intl to Argentina

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 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 airlines fly to Argentina?

Delta, LATAM Airlines and American Airlines are the top three most popular airlines that fly to Argentina from Seattle according to our data. Delta is the first choice among our users, with 42% 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.

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 June 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.

$420 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.

8:05 am - 9:40 am

SEA

EZE

21h 35m

1 stop

7:21 pm - 2:50 pm

EZE

SEA

23h 29m

2 stops

$1,119LATAM Airlines

Mon, Aug 17 - Thu, Sep 3

8:13 am - 7:15 pm

SEA

EZE

31h 02m

1 stop

1:35 am - 8:44 pm

EZE

SEA

23h 09m

2 stops

$1,124Multiple Airlines

Wed, Sep 2 - Tue, Sep 8

9:30 am - 9:25 pm

SEA

EZE

31h 55m

1 stop

11:25 pm - 7:55 pm

EZE

SEA

24h 30m

1 stop

$1,130Aeromexico

Wed, Aug 12 - Wed, Aug 26

9:30 am - 9:25 pm

SEA

EZE

31h 55m

1 stop

11:25 pm - 7:55 pm

EZE

SEA

24h 30m

1 stop

$1,137Aeromexico

Fri, Aug 7 - Thu, Aug 20

8:13 am - 7:15 pm

SEA

EZE

31h 02m

1 stop

2:17 am - 8:44 pm

EZE

SEA

22h 27m

2 stops

$1,138Multiple Airlines

Wed, Aug 19 - Tue, Sep 8

8:47 pm - 1:00 pm

SEA

AEP

36h 13m

2 stops

3:40 am - 12:20 am

AEP

SEA

24h 40m

2 stops

$1,140GOL

Sat, Aug 22 - Sun, Aug 30

8:47 pm - 1:00 pm

SEA

AEP

36h 13m

2 stops

3:40 am - 12:20 am

AEP

SEA

24h 40m

2 stops

$1,215GOL

Sat, Aug 22 - Sun, Aug 30

9:35 pm - 7:40 am

SEA

AEP

30h 05m

2 stops

8:05 pm - 1:00 pm

AEP

SEA

20h 55m

2 stops

$1,280Delta

Sun, Sep 20 - Wed, Oct 14

11:59 pm - 7:40 am

SEA

AEP

27h 41m

2 stops

3:45 pm - 7:05 pm

AEP

SEA

31h 20m

2 stops

$1,297LATAM Airlines

Mon, Aug 17 - Thu, Sep 3

11:56 am - 6:20 am

SEA

MDZ

38h 24m

2 stops

7:50 pm - 10:05 pm

MDZ

SEA

30h 15m

2 stops

$1,548Delta

Fri, Aug 14 - Tue, Aug 25

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United Airlines flights from Seattle to Argentina

Our best United Airlines deals on Seattle to Argentina flight tickets

United Airlines

Sep 9

SEA11:03 amSeattle/Tacoma Intl

16h 57m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Sep 23

EZE9:00 pmBuenos Aires Ministro Pistarini

21h 22m

2 stops

SEA2:22 pmSeattle/Tacoma Intl

$1,284

United Airlines

Jun 24

SEA5:00 amSeattle/Tacoma Intl

23h 00m

2 stops

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 1

EZE9:00 pmBuenos Aires Ministro Pistarini

21h 30m

2 stops

SEA2:30 pmSeattle/Tacoma Intl

$1,918

United Airlines

Jul 1

SEA11:55 amSeattle/Tacoma Intl

16h 05m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 2

EZE9:00 pmBuenos Aires Ministro Pistarini

19h 47m

1 stop

SEA12:47 pmSeattle/Tacoma Intl

$2,046

Aeromexico flights from Seattle to Argentina

Our best Aeromexico deals on Seattle to Argentina flight tickets

Aeromexico

Aug 12

SEA9:30 amSeattle/Tacoma Intl

31h 55m

1 stop

EZE9:25 pmBuenos Aires Ministro Pistarini

Aug 26

EZE11:25 pmBuenos Aires Ministro Pistarini

24h 30m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,130

Aeromexico

Aug 7

SEA9:30 amSeattle/Tacoma Intl

31h 55m

1 stop

EZE9:25 pmBuenos Aires Ministro Pistarini

Aug 20

EZE11:25 pmBuenos Aires Ministro Pistarini

24h 30m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,137

Aeromexico

Aug 17

SEA9:30 amSeattle/Tacoma Intl

31h 55m

1 stop

EZE9:25 pmBuenos Aires Ministro Pistarini

Sep 3

EZE11:25 pmBuenos Aires Ministro Pistarini

24h 30m

1 stop

SEA7:55 pmSeattle/Tacoma Intl

$1,139

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 8/17

8:05 am-9:40 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Thu 9/3

7:21 pm-2:50 pm

2 stops23h 29m

$1,119

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 9/2

8:13 am-7:15 pm

1 stop31h 02m

Buenos Aires Ministro Pistarini

Tue 9/8

1:35 am-8:44 pm

2 stops23h 09m

$1,124

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 8/12

9:30 am-9:25 pm

1 stop31h 55m

Buenos Aires Ministro Pistarini

Wed 8/26

11:25 pm-7:55 pm

1 stop24h 30m

$1,130

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Fri 8/7

9:30 am-9:25 pm

1 stop31h 55m

Buenos Aires Ministro Pistarini

Thu 8/20

11:25 pm-7:55 pm

1 stop24h 30m

$1,137

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 8/19

8:13 am-7:15 pm

1 stop31h 02m

Buenos Aires Ministro Pistarini

Tue 9/8

2:17 am-8:44 pm

2 stops22h 27m

$1,138

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sat 8/22

8:47 pm-1:00 pm

2 stops36h 13m

Buenos Aires Jorge Newbery

Sun 8/30

3:40 am-12:20 am

2 stops24h 40m

$1,140

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sat 8/22

8:47 pm-1:00 pm

2 stops36h 13m

Buenos Aires Jorge Newbery

Sun 8/30

3:40 am-12:20 am

2 stops24h 40m

$1,215

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sun 9/20

9:35 pm-7:40 am

2 stops30h 05m

Buenos Aires Jorge Newbery

Wed 10/14

8:05 pm-1:00 pm

2 stops20h 55m

$1,280

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 8/17

11:59 pm-7:40 am

2 stops27h 41m

Buenos Aires Jorge Newbery

Thu 9/3

3:45 pm-7:05 pm

2 stops31h 20m

$1,297

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Fri 8/14

11:56 am-6:20 am

2 stops38h 24m

Mendoza El Plumerillo

Tue 8/25

7:50 pm-10:05 pm

2 stops30h 15m

$1,548

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 44% 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	20h 20m
Direct flights	None

The fastest flight from Seattle to Argentina takes 20h 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 June 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
LATAM Airlines	PriceFrom $696	Free Cancellation	Rating 7.4 1,940 reviews	Search LATAM Airlines flights
Delta	PriceFrom $964	Free Cancellation	Rating 7.8 8,421 reviews	Search Delta flights
American Airlines	PriceFrom $1,126	Free Cancellation	Rating 7.1 11,739 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.