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Cheap flights from Seattle to Argentina from $378

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Argentina departing on 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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LATAM Airlines Logo
7:10 am - 10:15 am
SEA
-
EZE
22h 05m1 stop
LATAM Airlines Logo
7:43 pm - 2:41 pm
EZE
-
SEA
22h 58m2 stops
$946LATAM Airlines
Mon, Mar 2 - Tue, Mar 17
LATAM Airlines Logo
6:05 am - 10:15 am
SEA
-
EZE
23h 10m2 stops
LATAM Airlines Logo
7:43 pm - 12:49 pm
EZE
-
SEA
21h 06m2 stops
$950LATAM Airlines
Mon, Mar 2 - Tue, Mar 17
LATAM Airlines Logo
6:05 am - 7:20 am
SEA
-
EZE
20h 15m1 stop
LATAM Airlines Logo
8:55 pm - 12:32 pm
EZE
-
SEA
19h 37m1 stop
$966LATAM Airlines
Wed, Mar 4 - Thu, Mar 26
LATAM Airlines Logo
7:10 am - 10:30 am
SEA
-
AEP
22h 20m2 stops
LATAM Airlines Logo
2:55 pm - 2:41 pm
AEP
-
SEA
27h 46m2 stops
$966LATAM Airlines
Mon, Mar 2 - Tue, Mar 17
LATAM Airlines Logo
7:25 am - 9:00 am
SEA
-
EZE
20h 35m2 stops
LATAM Airlines Logo
4:05 am - 9:56 pm
EZE
-
SEA
21h 51m2 stops
$970LATAM Airlines
Wed, Mar 4 - Thu, Mar 26
LATAM Airlines Logo
7:15 am - 9:15 am
SEA
-
EZE
21h 00m2 stops
LATAM Airlines Logo
7:43 pm - 12:47 pm
EZE
-
SEA
21h 04m2 stops
$1,002LATAM Airlines
Mon, Jan 26 - Tue, Mar 10
Multiple Airlines Logo
1:55 pm - 12:35 am
SEA
-
EZE
29h 40m2 stops
Multiple Airlines Logo
8:00 am - 10:04 pm
EZE
-
SEA
19h 04m1 stop
$1,005Multiple Airlines
Thu, Feb 5 - Wed, Feb 18
Multiple Airlines Logo
5:50 pm - 4:00 pm
SEA
-
AEP
41h 10m2 stops
Multiple Airlines Logo
2:55 pm - 6:52 pm
AEP
-
SEA
32h 57m2 stops
$1,126Multiple Airlines
Tue, Feb 17 - Thu, Feb 26
Copa Airlines Logo
5:10 pm - 12:09 am
SEA
-
MDZ
25h 59m2 stops
Copa Airlines Logo
1:26 am - 11:47 pm
MDZ
-
SEA
27h 21m2 stops
$1,582Copa Airlines
Sat, Jan 31 - Fri, Feb 6
United Airlines Logo
12:57 pm - 12:29 am
SEA
-
COR
30h 32m2 stops
United Airlines Logo
5:40 am - 10:43 pm
COR
-
SEA
46h 03m3 stops
$1,715United Airlines
Sun, Jan 18 - Sat, Jan 31

LATAM Airlines flights from Seattle to Argentina

Our best LATAM Airlines deals on Seattle to Argentina flight tickets
LATAM Airlines
Mar 2
SEA7:10 amSeattle/Tacoma Intl
22h 05m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
Mar 17
EZE7:43 pmBuenos Aires Ministro Pistarini
22h 58m
2 stops
SEA2:41 pmSeattle/Tacoma Intl
$946
Find similar
LATAM Airlines
Mar 2
SEA6:05 amSeattle/Tacoma Intl
23h 10m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Mar 17
EZE7:43 pmBuenos Aires Ministro Pistarini
21h 06m
2 stops
SEA12:49 pmSeattle/Tacoma Intl
$950
Find similar
LATAM Airlines
Mar 4
SEA6:05 amSeattle/Tacoma Intl
20h 15m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 26
EZE8:55 pmBuenos Aires Ministro Pistarini
19h 37m
1 stop
SEA12:32 pmSeattle/Tacoma Intl
$966
Find similar

Delta flights from Seattle to Argentina

Our best Delta deals on Seattle to Argentina flight tickets
Delta
Feb 2
SEA11:55 amSeattle/Tacoma Intl
16h 05m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Feb 22
EZE4:05 amBuenos Aires Ministro Pistarini
22h 50m
2 stops
SEA9:55 pmSeattle/Tacoma Intl
$1,046
Find similar
Delta
Feb 3
SEA6:15 amSeattle/Tacoma Intl
23h 00m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Feb 24
EZE10:25 pmBuenos Aires Ministro Pistarini
25h 24m
2 stops
SEA6:49 pmSeattle/Tacoma Intl
$1,050
Find similar
Delta
Apr 5
SEA11:18 pmSeattle/Tacoma Intl
36h 27m
2 stops
EZE3:45 pmBuenos Aires Ministro Pistarini
Apr 16
EZE8:10 pmBuenos Aires Ministro Pistarini
20h 06m
1 stop
SEA12:16 pmSeattle/Tacoma Intl
$1,051
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Argentina that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Seattle to Argentina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 3/2

7:10 am-10:15 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Tue 3/17

7:43 pm-2:41 pm

2 stops22h 58m

$946

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 3/2

6:05 am-10:15 am

2 stops23h 10m

Buenos Aires Ministro Pistarini

Tue 3/17

7:43 pm-12:49 pm

2 stops21h 06m

$950

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 3/4

6:05 am-7:20 am

1 stop20h 15m

Buenos Aires Ministro Pistarini

Thu 3/26

8:55 pm-12:32 pm

1 stop19h 37m

$966

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 3/2

7:10 am-10:30 am

2 stops22h 20m

Buenos Aires Jorge Newbery

Tue 3/17

2:55 pm-2:41 pm

2 stops27h 46m

$966

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 3/4

7:25 am-9:00 am

2 stops20h 35m

Buenos Aires Ministro Pistarini

Thu 3/26

4:05 am-9:56 pm

2 stops21h 51m

$970

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 1/26

7:15 am-9:15 am

2 stops21h 00m

Buenos Aires Ministro Pistarini

Tue 3/10

7:43 pm-12:47 pm

2 stops21h 04m

$1,002

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 2/5

1:55 pm-12:35 am

2 stops29h 40m

Buenos Aires Ministro Pistarini

Wed 2/18

8:00 am-10:04 pm

1 stop19h 04m

$1,005

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Tue 2/17

5:50 pm-4:00 pm

2 stops41h 10m

Buenos Aires Jorge Newbery

Thu 2/26

2:55 pm-6:52 pm

2 stops32h 57m

$1,126

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Sat 1/31

5:10 pm-12:09 am

2 stops25h 59m

Mendoza El Plumerillo

Fri 2/6

1:26 am-11:47 pm

2 stops27h 21m

$1,582

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Sun 1/18

12:57 pm-12:29 am

2 stops30h 32m

Cordoba Pajas Blancas

Sat 1/31

5:40 am-10:43 pm

3 stops46h 03m

$1,715

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Argentina from

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

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 November is also very affordable. Most momondo users find prices during this month for around $1,247.

What is the cheapest day to depart on your flight to Argentina?

The cheapest day to depart from Seattle to Argentina is on a Tuesday. Travelers who choose to depart for Argentina on a Tuesday will often find tickets for as low as $1,328. The most expensive day to fly to Argentina is Saturday, with ticket prices averaging around $1,503.

What is the cheapest time of day to depart on your flight to Argentina?

The cheapest time of day to fly to Argentina is in the afternoon when flights can be purchased for as low as $1,307. Flights at noon are often more expensive with an average ticket price of $1,438.

Can stopping save me money on Seattle to Argentina flights?

You could potentially save up to 34% 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

16h 00m

Direct flights

None
The fastest flight from Seattle to Argentina takes 16h 00m
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?

  • 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 AirlinesPriceFrom $1,014Free CancellationRating
7.5
1,893 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,036Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $1,045Free CancellationRating
7.9
8,009 reviews
Search Delta flights
United AirlinesPriceFrom $1,200Free CancellationRating
7.4
9,095 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.

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