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Cheap flights from Seattle to Argentina from $362

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 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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LATAM Airlines Logo
9:40 am - 9:15 am
SEA
-
EZE
19h 35m2 stops
LATAM Airlines Logo
3:55 am - 9:48 pm
EZE
-
SEA
21h 53m2 stops
$946LATAM Airlines
Mon, Mar 16 - Mon, Mar 30
Multiple Airlines Logo
8:10 am - 7:00 pm
SEA
-
MDZ
29h 50m2 stops
Multiple Airlines Logo
10:20 am - 10:16 pm
MDZ
-
SEA
40h 56m2 stops
$948Multiple Airlines
Mon, Jan 26 - Wed, Feb 11
LATAM Airlines Logo
10:58 pm - 7:20 am
SEA
-
EZE
28h 22m2 stops
LATAM Airlines Logo
7:43 pm - 12:49 pm
EZE
-
SEA
21h 06m2 stops
$950LATAM Airlines
Tue, Mar 10 - Tue, Mar 24
LATAM Airlines Logo
6:15 am - 9:00 am
SEA
-
EZE
21h 45m1 stop
LATAM Airlines Logo
7:10 am - 12:49 pm
EZE
-
SEA
33h 39m3 stops
$966LATAM Airlines
Wed, Mar 4 - Thu, Mar 26
LATAM Airlines Logo
11:30 pm - 7:55 am
SEA
-
AEP
28h 25m2 stops
LATAM Airlines Logo
8:05 pm - 9:48 pm
AEP
-
SEA
29h 43m2 stops
$966LATAM Airlines
Sun, Mar 22 - Sun, Mar 29
LATAM Airlines Logo
7:25 am - 9:00 am
SEA
-
EZE
20h 35m2 stops
LATAM Airlines Logo
7:10 am - 12:49 pm
EZE
-
SEA
33h 39m3 stops
$970LATAM Airlines
Wed, Mar 4 - Thu, Mar 26
Multiple Airlines Logo
8:44 am - 7:15 pm
SEA
-
EZE
29h 31m1 stop
Multiple Airlines Logo
2:27 am - 10:00 am
EZE
-
SEA
36h 33m2 stops
$997Multiple Airlines
Mon, Jan 19 - Wed, Jan 28
United Airlines Logo
11:55 pm - 3:51 am
SEA
-
COR
23h 56m2 stops
United Airlines Logo
3:32 am - 9:05 pm
COR
-
SEA
21h 33m2 stops
$1,143United Airlines
Tue, May 19 - Fri, May 22
United Airlines Logo
8:10 am - 12:29 am
SEA
-
COR
35h 19m3 stops
United Airlines Logo
5:40 am - 10:59 pm
COR
-
SEA
46h 19m2 stops
$1,321United Airlines
Sun, Jan 18 - Sat, Jan 31
Copa Airlines Logo
12:24 pm - 12:16 am
SEA
-
MDZ
30h 52m2 stops
Copa Airlines Logo
1:27 am - 11:16 pm
MDZ
-
SEA
26h 49m2 stops
$1,771Copa Airlines
Thu, Jan 8 - Sat, Jan 17

LATAM Airlines flights from Seattle to Argentina

Our best LATAM Airlines deals on Seattle to Argentina flight tickets
LATAM Airlines
Mar 16
SEA9:40 amSeattle/Tacoma Intl
19h 35m
2 stops
EZE9:15 amBuenos Aires Ministro Pistarini
Mar 30
EZE3:55 amBuenos Aires Ministro Pistarini
21h 53m
2 stops
SEA9:48 pmSeattle/Tacoma Intl
$946
Find similar
LATAM Airlines
Mar 10
SEA10:58 pmSeattle/Tacoma Intl
28h 22m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 24
EZE7:43 pmBuenos Aires Ministro Pistarini
21h 06m
2 stops
SEA12:49 pmSeattle/Tacoma Intl
$950
Find similar
LATAM Airlines
Mar 4
SEA6:15 amSeattle/Tacoma Intl
21h 45m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 26
EZE7:10 amBuenos Aires Ministro Pistarini
33h 39m
3 stops
SEA12:49 pmSeattle/Tacoma Intl
$966
Find similar

United Airlines flights from Seattle to Argentina

Our best United Airlines deals on Seattle to Argentina flight tickets
United Airlines
Feb 14
SEA11:59 pmSeattle/Tacoma Intl
26h 21m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 23
EZE11:55 pmBuenos Aires Ministro Pistarini
18h 29m
1 stop
SEA1:24 pmSeattle/Tacoma Intl
$1,100
Find similar
United Airlines
Feb 24
SEA6:45 amSeattle/Tacoma Intl
19h 35m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 2
EZE10:05 pmBuenos Aires Ministro Pistarini
20h 19m
1 stop
SEA1:24 pmSeattle/Tacoma Intl
$1,116
Find similar
United Airlines
May 19
SEA11:55 pmSeattle/Tacoma Intl
23h 56m
2 stops
COR3:51 amCordoba Pajas Blancas
May 22
COR3:32 amCordoba Pajas Blancas
21h 33m
2 stops
SEA9:05 pmSeattle/Tacoma Intl
$1,143
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 23, 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 3/16

9:40 am-9:15 am

2 stops19h 35m

Buenos Aires Ministro Pistarini

Mon 3/30

3:55 am-9:48 pm

2 stops21h 53m

$946

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Mon 1/26

8:10 am-7:00 pm

2 stops29h 50m

Mendoza El Plumerillo

Wed 2/11

10:20 am-10:16 pm

2 stops40h 56m

$948

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 3/10

10:58 pm-7:20 am

2 stops28h 22m

Buenos Aires Ministro Pistarini

Tue 3/24

7:43 pm-12:49 pm

2 stops21h 06m

$950

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 3/4

6:15 am-9:00 am

1 stop21h 45m

Buenos Aires Ministro Pistarini

Thu 3/26

7:10 am-12:49 pm

3 stops33h 39m

$966

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sun 3/22

11:30 pm-7:55 am

2 stops28h 25m

Buenos Aires Jorge Newbery

Sun 3/29

8:05 pm-9:48 pm

2 stops29h 43m

$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

7:10 am-12:49 pm

3 stops33h 39m

$970

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 1/19

8:44 am-7:15 pm

1 stop29h 31m

Buenos Aires Ministro Pistarini

Wed 1/28

2:27 am-10:00 am

2 stops36h 33m

$997

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Tue 5/19

11:55 pm-3:51 am

2 stops23h 56m

Cordoba Pajas Blancas

Fri 5/22

3:32 am-9:05 pm

2 stops21h 33m

$1,143

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Sun 1/18

8:10 am-12:29 am

3 stops35h 19m

Cordoba Pajas Blancas

Sat 1/31

5:40 am-10:59 pm

2 stops46h 19m

$1,321

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Thu 1/8

12:24 pm-12:16 am

2 stops30h 52m

Mendoza El Plumerillo

Sat 1/17

1:27 am-11:16 pm

2 stops26h 49m

$1,771

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

17h 23m

Direct flights

None
The fastest flight from Seattle to Argentina takes 17h 23m
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
1,894 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,036Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $1,045Free CancellationRating
7.9
8,015 reviews
Search Delta flights
United AirlinesPriceFrom $1,200Free CancellationRating
7.4
9,109 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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