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Cheap flights from Seattle to Argentina from $365

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 3/10. 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
7:15 am - 9:15 am
SEA
-
EZE
21h 00m2 stops
LATAM Airlines Logo
7:43 pm - 12:47 pm
EZE
-
SEA
21h 04m2 stops
$990LATAM Airlines
Mon, Jan 26 - Tue, Mar 10
LATAM Airlines Logo
8:00 am - 11:30 am
SEA
-
EZE
23h 30m2 stops
LATAM Airlines Logo
7:21 pm - 7:33 pm
EZE
-
SEA
28h 12m2 stops
$1,003LATAM Airlines
Wed, Apr 8 - Sun, Apr 19
LATAM Airlines Logo
9:50 am - 9:15 am
SEA
-
EZE
18h 25m2 stops
LATAM Airlines Logo
7:43 pm - 12:49 pm
EZE
-
SEA
21h 06m2 stops
$1,012LATAM Airlines
Tue, Mar 3 - Wed, Mar 18
LATAM Airlines Logo
8:00 am - 9:35 am
SEA
-
EZE
21h 35m1 stop
LATAM Airlines Logo
3:55 am - 11:35 pm
EZE
-
SEA
23h 40m2 stops
$1,029LATAM Airlines
Fri, Mar 27 - Wed, Apr 15
LATAM Airlines Logo
9:50 am - 9:15 am
SEA
-
EZE
18h 25m2 stops
LATAM Airlines Logo
4:05 am - 9:56 pm
EZE
-
SEA
21h 51m2 stops
$1,033LATAM Airlines
Wed, Mar 4 - Thu, Mar 26
LATAM Airlines Logo
6:15 am - 9:00 am
SEA
-
EZE
21h 45m1 stop
LATAM Airlines Logo
7:43 pm - 12:47 pm
EZE
-
SEA
21h 04m2 stops
$1,034LATAM Airlines
Mon, Jan 26 - Tue, Mar 10
LATAM Airlines Logo
8:15 am - 9:00 am
SEA
-
EZE
19h 45m1 stop
LATAM Airlines Logo
10:25 pm - 7:46 pm
EZE
-
SEA
25h 21m1 stop
$1,040LATAM Airlines
Mon, Jan 26 - Tue, Mar 10
LATAM Airlines Logo
7:10 am - 10:30 am
SEA
-
AEP
22h 20m2 stops
LATAM Airlines Logo
6:20 pm - 2:29 pm
AEP
-
SEA
24h 09m2 stops
$1,040LATAM Airlines
Mon, Jan 26 - Tue, Mar 10
Multiple Airlines Logo
10:05 am - 2:50 pm
SEA
-
MDZ
23h 45m3 stops
Multiple Airlines Logo
6:20 pm - 10:16 pm
MDZ
-
SEA
32h 56m3 stops
$1,178Multiple Airlines
Wed, Jan 21 - Wed, Jan 28
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
$1,598Copa Airlines
Thu, Jan 8 - Sat, Jan 17

American Airlines flights from Seattle to Argentina

Our best American Airlines deals on Seattle to Argentina flight tickets
American Airlines
Jan 30
SEA11:55 amSeattle/Tacoma Intl
15h 30m
1 stop
EZE8:25 amBuenos Aires Ministro Pistarini
Mar 1
EZE10:25 pmBuenos Aires Ministro Pistarini
22h 37m
1 stop
SEA4:02 pmSeattle/Tacoma Intl
$1,136
Find similar
American Airlines
Feb 1
SEA7:35 amSeattle/Tacoma Intl
19h 40m
2 stops
EZE8:15 amBuenos Aires Ministro Pistarini
Feb 8
EZE10:25 pmBuenos Aires Ministro Pistarini
24h 20m
1 stop
SEA5:45 pmSeattle/Tacoma Intl
$1,140
Find similar
American Airlines
Apr 8
SEA10:55 pmSeattle/Tacoma Intl
26h 55m
1 stop
EZE5:50 amBuenos Aires Ministro Pistarini
Apr 19
EZE11:30 pmBuenos Aires Ministro Pistarini
27h 46m
1 stop
SEA11:16 pmSeattle/Tacoma Intl
$1,155
Find similar

United Airlines flights from Seattle to Argentina

Our best United Airlines deals on Seattle to Argentina flight tickets
United Airlines
Feb 11
SEA9:25 amSeattle/Tacoma Intl
18h 55m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 19
EZE11:55 pmBuenos Aires Ministro Pistarini
18h 29m
1 stop
SEA1:24 pmSeattle/Tacoma Intl
$1,060
Find similar
United Airlines
Feb 11
SEA9:25 amSeattle/Tacoma Intl
18h 55m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 20
EZE10:05 pmBuenos Aires Ministro Pistarini
20h 19m
1 stop
SEA1:24 pmSeattle/Tacoma Intl
$1,100
Find similar
United Airlines
Jan 8
SEA7:00 amSeattle/Tacoma Intl
19h 20m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 2
EZE11:55 pmBuenos Aires Ministro Pistarini
17h 54m
1 stop
SEA12:49 pmSeattle/Tacoma Intl
$1,161
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 9, 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 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

$990

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 4/8

8:00 am-11:30 am

2 stops23h 30m

Buenos Aires Ministro Pistarini

Sun 4/19

7:21 pm-7:33 pm

2 stops28h 12m

$1,003

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 3/3

9:50 am-9:15 am

2 stops18h 25m

Buenos Aires Ministro Pistarini

Wed 3/18

7:43 pm-12:49 pm

2 stops21h 06m

$1,012

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Fri 3/27

8:00 am-9:35 am

1 stop21h 35m

Buenos Aires Ministro Pistarini

Wed 4/15

3:55 am-11:35 pm

2 stops23h 40m

$1,029

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 3/4

9:50 am-9:15 am

2 stops18h 25m

Buenos Aires Ministro Pistarini

Thu 3/26

4:05 am-9:56 pm

2 stops21h 51m

$1,033

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 1/26

6:15 am-9:00 am

1 stop21h 45m

Buenos Aires Ministro Pistarini

Tue 3/10

7:43 pm-12:47 pm

2 stops21h 04m

$1,034

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 1/26

8:15 am-9:00 am

1 stop19h 45m

Buenos Aires Ministro Pistarini

Tue 3/10

10:25 pm-7:46 pm

1 stop25h 21m

$1,040

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Mon 1/26

7:10 am-10:30 am

2 stops22h 20m

Buenos Aires Jorge Newbery

Tue 3/10

6:20 pm-2:29 pm

2 stops24h 09m

$1,040

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Wed 1/21

10:05 am-2:50 pm

3 stops23h 45m

Mendoza El Plumerillo

Wed 1/28

6:20 pm-10:16 pm

3 stops32h 56m

$1,178

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

$1,598

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

19h 35m

Direct flights

None
The fastest flight from Seattle to Argentina takes 19h 35m
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
1,889 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,036Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $1,045Free CancellationRating
7.9
8,009 reviews
Search Delta flights
United AirlinesPriceFrom $1,200Free CancellationRating
7.4
9,088 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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