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Cheap flights from Seattle to Argentina from $397

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 10/28. 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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Cheap round-trip flights

Multiple Airlines Logo
10:08 am - 6:40 pmSEA-AEP
28h 32m2 stops
Multiple Airlines Logo
8:25 pm - 7:37 pmAEP-SEA
28h 12m2 stops
$933Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
8:53 am - 6:40 amSEA-MDZ
41h 47m2 stops
Multiple Airlines Logo
7:50 am - 10:30 pmMDZ-SEA
43h 40m2 stops
$1,003Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
LATAM Airlines Logo
11:20 pm - 4:20 amSEA-COR
25h 00m2 stops
LATAM Airlines Logo
11:00 am - 1:00 pmCOR-SEA
31h 00m2 stops
$1,010LATAM Airlines
Find Deal
Thu, Oct 2 - Sun, Nov 9
LATAM Airlines Logo
8:00 am - 12:05 pmSEA-COR
24h 05m2 stops
LATAM Airlines Logo
4:20 pm - 1:02 pmCOR-SEA
25h 42m2 stops
$1,047LATAM Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
United Airlines Logo
5:05 am - 9:20 amSEA-EZE
23h 15m2 stops
United Airlines Logo
11:55 pm - 4:10 pmEZE-SEA
21h 15m2 stops
$1,097United Airlines
Find Deal
Thu, Nov 6 - Wed, Nov 19
United Airlines Logo
7:10 am - 9:20 amSEA-EZE
21h 10m1 stop
United Airlines Logo
11:55 pm - 11:15 pmEZE-SEA
28h 20m2 stops
$1,101United Airlines
Find Deal
Thu, Nov 6 - Wed, Nov 19
Delta Logo
7:25 am - 2:55 pmSEA-EZE
26h 30m2 stops
Delta Logo
10:25 pm - 2:29 pmEZE-SEA
21h 04m1 stop
$1,170Delta
Find Deal
Thu, Nov 6 - Wed, Nov 19
Delta Logo
6:00 am - 6:20 amSEA-EZE
19h 20m2 stops
Delta Logo
10:25 pm - 2:29 pmEZE-SEA
21h 04m1 stop
$1,175Delta
Find Deal
Wed, Nov 26 - Mon, Dec 15
American Airlines Logo
7:23 am - 8:10 amSEA-EZE
19h 47m1 stop
American Airlines Logo
10:25 pm - 1:09 pmEZE-SEA
19h 44m1 stop
$1,194American Airlines
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Thu, Nov 6 - Wed, Nov 19
American Airlines Logo
12:59 am - 8:10 amSEA-EZE
26h 11m1 stop
American Airlines Logo
10:25 pm - 11:05 pmEZE-SEA
29h 40m1 stop
$1,203American Airlines
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Wed, Nov 5 - Wed, Nov 19

Copa Airlines flights from Seattle to Argentina

Our best Copa Airlines deals on Seattle to Argentina flight tickets
Copa Airlines
Oct 8
SEA5:31 pmSeattle/Tacoma Intl
27h 24m
2 stops
EZE12:55 amBuenos Aires Ministro Pistarini
Oct 18
EZE5:08 amBuenos Aires Ministro Pistarini
20h 45m
2 stops
SEA9:53 pmSeattle/Tacoma Intl
$1,089
Find similar
Copa Airlines
Nov 17
SEA5:20 pmSeattle/Tacoma Intl
30h 02m
2 stops
EZE4:22 amBuenos Aires Ministro Pistarini
Nov 21
EZE12:08 amBuenos Aires Ministro Pistarini
28h 02m
2 stops
SEA11:10 pmSeattle/Tacoma Intl
$1,178
Find similar
Copa Airlines
Oct 25
SEA5:31 pmSeattle/Tacoma Intl
27h 19m
2 stops
EZE12:50 amBuenos Aires Ministro Pistarini
Nov 7
EZE5:16 amBuenos Aires Ministro Pistarini
22h 54m
2 stops
SEA11:10 pmSeattle/Tacoma Intl
$1,193
Find similar

United Airlines flights from Seattle to Argentina

Our best United Airlines deals on Seattle to Argentina flight tickets
United Airlines
Nov 6
SEA5:05 amSeattle/Tacoma Intl
23h 15m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 19
EZE11:55 pmBuenos Aires Ministro Pistarini
21h 15m
2 stops
SEA4:10 pmSeattle/Tacoma Intl
$1,097
Find similar
United Airlines
Nov 6
SEA7:10 amSeattle/Tacoma Intl
21h 10m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 19
EZE11:55 pmBuenos Aires Ministro Pistarini
28h 20m
2 stops
SEA11:15 pmSeattle/Tacoma Intl
$1,101
Find similar
United Airlines
Nov 6
SEA7:10 amSeattle/Tacoma Intl
21h 10m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 19
EZE10:05 pmBuenos Aires Ministro Pistarini
29h 41m
1 stop
SEA10:46 pmSeattle/Tacoma Intl
$1,104
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 September 17, 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 - AEP

SEAAEP

Seattle/Tacoma Intl

Thu 10/30

10:08 am-6:40 pm

2 stops28h 32m

Buenos Aires Jorge Newbery

Thu 11/6

8:25 pm-7:37 pm

2 stops28h 12m

$933

SeattleMendoza

SEA - MDZ

SEAMDZ

Seattle/Tacoma Intl

Thu 10/30

8:53 am-6:40 am

2 stops41h 47m

Mendoza El Plumerillo

Thu 11/6

7:50 am-10:30 pm

2 stops43h 40m

$1,003

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Thu 10/2

11:20 pm-4:20 am

2 stops25h 00m

Cordoba Pajas Blancas

Sun 11/9

11:00 am-1:00 pm

2 stops31h 00m

$1,010

SeattleCordoba

SEA - COR

SEACOR

Seattle/Tacoma Intl

Thu 10/30

8:00 am-12:05 pm

2 stops24h 05m

Cordoba Pajas Blancas

Mon 11/3

4:20 pm-1:02 pm

2 stops25h 42m

$1,047

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 11/6

5:05 am-9:20 am

2 stops23h 15m

Buenos Aires Ministro Pistarini

Wed 11/19

11:55 pm-4:10 pm

2 stops21h 15m

$1,097

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 11/6

7:10 am-9:20 am

1 stop21h 10m

Buenos Aires Ministro Pistarini

Wed 11/19

11:55 pm-11:15 pm

2 stops28h 20m

$1,101

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 11/6

7:25 am-2:55 pm

2 stops26h 30m

Buenos Aires Ministro Pistarini

Wed 11/19

10:25 pm-2:29 pm

1 stop21h 04m

$1,170

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 11/26

6:00 am-6:20 am

2 stops19h 20m

Buenos Aires Ministro Pistarini

Mon 12/15

10:25 pm-2:29 pm

1 stop21h 04m

$1,175

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Thu 11/6

7:23 am-8:10 am

1 stop19h 47m

Buenos Aires Ministro Pistarini

Wed 11/19

10:25 pm-1:09 pm

1 stop19h 44m

$1,194

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

Wed 11/5

12:59 am-8:10 am

1 stop26h 11m

Buenos Aires Ministro Pistarini

Wed 11/19

10:25 pm-11:05 pm

1 stop29h 40m

$1,203

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 May is also very affordable. Most momondo users find prices during this month for around $1,269.

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.

How far in advance should I book a flight to Argentina?

You are more likely to see cheaper flights to Argentina from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around $1,363 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Argentina from Seattle for as low as $1,195 on momondo.

Can stopping save me money on Seattle to Argentina flights?

You could potentially save up to 36% 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

Direct flights

None
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 $1,035Free CancellationRating
7.5
1,849 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,100Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,133Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $1,200Free CancellationRating
7.4
8,926 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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