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Cheap flights from Seattle to Argentina from $399

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 3/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:00 am - 6:05 am
SEA
-
EZE
42h 05m
2 stops
Delta Logo
10:25 pm - 10:45 am
EZE
-
SEA
40h 20m
1 stop
$962Delta
Mon, Mar 9 - Mon, Mar 23
Delta Logo
7:20 am - 10:15 am
SEA
-
EZE
22h 55m
1 stop
Delta Logo
7:45 am - 10:01 am
EZE
-
SEA
30h 16m
2 stops
$967Delta
Mon, Mar 16 - Tue, Mar 31
LATAM Airlines Logo
11:20 pm - 7:55 am
SEA
-
AEP
28h 35m
2 stops
LATAM Airlines Logo
3:45 pm - 9:48 pm
AEP
-
SEA
34h 03m
2 stops
$967LATAM Airlines
Sun, Mar 15 - Tue, Mar 31
LATAM Airlines Logo
7:20 am - 9:15 am
SEA
-
EZE
21h 55m
2 stops
LATAM Airlines Logo
1:20 pm - 12:33 pm
EZE
-
SEA
27h 13m
2 stops
$971LATAM Airlines
Thu, Mar 19 - Tue, Mar 31
Delta Logo
9:45 pm - 9:00 am
SEA
-
EZE
31h 15m
1 stop
Delta Logo
7:45 am - 9:48 pm
EZE
-
SEA
42h 03m
2 stops
$981Delta
Sun, Mar 15 - Mon, Mar 30
Multiple Airlines Logo
9:46 am - 9:00 am
SEA
-
EZE
42h 14m
2 stops
Multiple Airlines Logo
11:00 am - 10:04 pm
EZE
-
SEA
39h 04m
1 stop
$985Multiple Airlines
Sat, Feb 28 - Mon, Mar 16
Multiple Airlines Logo
8:08 am - 9:35 am
SEA
-
EZE
21h 27m
1 stop
Multiple Airlines Logo
3:55 am - 10:01 am
EZE
-
SEA
34h 06m
2 stops
$987Multiple Airlines
Tue, Mar 17 - Mon, Mar 30
Multiple Airlines Logo
8:08 am - 7:15 pm
SEA
-
EZE
31h 07m
1 stop
Multiple Airlines Logo
4:45 pm - 10:00 pm
EZE
-
SEA
33h 15m
2 stops
$995Multiple Airlines
Tue, Mar 17 - Thu, Apr 2
Multiple Airlines Logo
8:08 am - 9:35 am
SEA
-
EZE
21h 27m
1 stop
Multiple Airlines Logo
7:35 am - 9:48 pm
EZE
-
SEA
42h 13m
2 stops
$996Multiple Airlines
Mon, Mar 16 - Sun, Mar 29
United Airlines Logo
7:00 am - 12:23 am
SEA
-
COR
37h 23m
2 stops
United Airlines Logo
3:54 am - 10:59 pm
COR
-
SEA
47h 05m
2 stops
$1,303United Airlines
Thu, Mar 12 - Wed, Mar 18

Delta flights from Seattle to Argentina

Our best Delta deals on Seattle to Argentina flight tickets
Delta
Mar 9
SEA8:00 amSeattle/Tacoma Intl
42h 05m
2 stops
EZE6:05 amBuenos Aires Ministro Pistarini
Mar 23
EZE10:25 pmBuenos Aires Ministro Pistarini
40h 20m
1 stop
SEA10:45 amSeattle/Tacoma Intl
$962
Delta
Mar 16
SEA7:20 amSeattle/Tacoma Intl
22h 55m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
Mar 31
EZE7:45 amBuenos Aires Ministro Pistarini
30h 16m
2 stops
SEA10:01 amSeattle/Tacoma Intl
$967
Delta
Mar 15
SEA9:45 pmSeattle/Tacoma Intl
31h 15m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 30
EZE7:45 amBuenos Aires Ministro Pistarini
42h 03m
2 stops
SEA9:48 pmSeattle/Tacoma Intl
$981

United Airlines flights from Seattle to Argentina

Our best United Airlines deals on Seattle to Argentina flight tickets
United Airlines
Mar 12
SEA7:00 amSeattle/Tacoma Intl
37h 23m
2 stops
COR12:23 amCordoba Pajas Blancas
Mar 18
COR3:54 amCordoba Pajas Blancas
47h 05m
2 stops
SEA10:59 pmSeattle/Tacoma Intl
$1,303
United Airlines
Feb 3
SEA12:57 pmSeattle/Tacoma Intl
15h 23m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 26
EZE11:55 pmBuenos Aires Ministro Pistarini
18h 29m
1 stop
SEA1:24 pmSeattle/Tacoma Intl
$1,467
United Airlines
Feb 3
SEA8:40 amSeattle/Tacoma Intl
17h 40m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 26
EZE11:55 pmBuenos Aires Ministro Pistarini
23h 08m
2 stops
SEA6:03 pmSeattle/Tacoma Intl
$1,471

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 January 28, 2026.
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 3/9

8:00 am-6:05 am

2 stops42h 05m

Buenos Aires Ministro Pistarini

Mon 3/23

10:25 pm-10:45 am

1 stop40h 20m

$962

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 3/16

7:20 am-10:15 am

1 stop22h 55m

Buenos Aires Ministro Pistarini

Tue 3/31

7:45 am-10:01 am

2 stops30h 16m

$967

SeattleBuenos Aires

SEA - AEP

SEAAEP

Seattle/Tacoma Intl

Sun 3/15

11:20 pm-7:55 am

2 stops28h 35m

Buenos Aires Jorge Newbery

Tue 3/31

3:45 pm-9:48 pm

2 stops34h 03m

$967

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 3/19

7:20 am-9:15 am

2 stops21h 55m

Buenos Aires Ministro Pistarini

Tue 3/31

1:20 pm-12:33 pm

2 stops27h 13m

$971

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sun 3/15

9:45 pm-9:00 am

1 stop31h 15m

Buenos Aires Ministro Pistarini

Mon 3/30

7:45 am-9:48 pm

2 stops42h 03m

$981

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Sat 2/28

9:46 am-9:00 am

2 stops42h 14m

Buenos Aires Ministro Pistarini

Mon 3/16

11:00 am-10:04 pm

1 stop39h 04m

$985

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 3/17

8:08 am-9:35 am

1 stop21h 27m

Buenos Aires Ministro Pistarini

Mon 3/30

3:55 am-10:01 am

2 stops34h 06m

$987

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Tue 3/17

8:08 am-7:15 pm

1 stop31h 07m

Buenos Aires Ministro Pistarini

Thu 4/2

4:45 pm-10:00 pm

2 stops33h 15m

$995

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Mon 3/16

8:08 am-9:35 am

1 stop21h 27m

Buenos Aires Ministro Pistarini

Sun 3/29

7:35 am-9:48 pm

2 stops42h 13m

$996

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Thu 3/12

7:00 am-12:23 am

2 stops37h 23m

Cordoba Pajas Blancas

Wed 3/18

3:54 am-10:59 pm

2 stops47h 05m

$1,303

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 $1,250.

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 35m

Direct flights

None
The fastest flight from Seattle to Argentina takes 17h 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
DeltaPriceFrom $297Free CancellationRating
7.9
8,123 reviews
Search Delta flights
LATAM AirlinesPriceFrom $696Free CancellationRating
7.5
1,915 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,036Free CancellationRating
7.2
11,201 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,179Free CancellationRating
7.4
9,208 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.

An easier way to manage your Argentina trip

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