Cheap flights from Seattle to Buenos Aires from $441

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 Buenos Aires departing on 2/8. 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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Find the cheapest flights from Seattle to Buenos Aires (SEA-EZE)

Cheap round-trip flights

 Logo
9:25 pm - 5:11 pmSEA-EZE
39h 46m2 stops
 Logo
4:30 pm - 6:59 pmEZE-SEA
30h 29m2 stops
dom., oct. 12 - lun., oct. 27
Copa Airlines Logo
6:25 am - 8:14 amSEA-EZE
21h 49m2 stops
Copa Airlines Logo
5:04 am - 9:53 pmEZE-SEA
20h 49m2 stops
$1,038Copa Airlines
Find Deal
jue., sep. 18 - jue., sep. 25
LATAM Airlines Logo
7:20 am - 9:15 amSEA-EZE
20h 55m2 stops
LATAM Airlines Logo
7:43 pm - 1:00 pmEZE-SEA
21h 17m2 stops
$1,118LATAM Airlines
Find Deal
lun., ene. 26 - mar., mar. 10
LATAM Airlines Logo
8:00 am - 9:15 amSEA-EZE
20h 15m2 stops
LATAM Airlines Logo
7:43 pm - 1:00 pmEZE-SEA
22h 17m2 stops
$1,143LATAM Airlines
Find Deal
mié., dic. 3 - lun., dic. 8
United Airlines Logo
11:10 pm - 8:00 amSEA-EZE
28h 50m1 stop
United Airlines Logo
9:05 pm - 1:54 pmEZE-SEA
20h 49m2 stops
$1,165United Airlines
Find Deal
dom., oct. 12 - lun., oct. 27
United Airlines Logo
7:10 am - 7:20 amSEA-EZE
19h 10m1 stop
United Airlines Logo
10:05 pm - 12:42 pmEZE-SEA
19h 37m1 stop
$1,175United Airlines
Find Deal
mié., nov. 26 - mar., dic. 16
Delta Logo
11:00 pm - 10:15 amSEA-EZE
30h 15m2 stops
Delta Logo
7:55 am - 10:12 pmEZE-SEA
43h 17m2 stops
$1,180Delta
Find Deal
dom., ene. 4 - mié., ene. 28
American Airlines Logo
12:59 am - 8:10 amSEA-EZE
26h 11m1 stop
American Airlines Logo
10:25 pm - 10:44 amEZE-SEA
17h 19m1 stop
$1,190American Airlines
Find Deal
mar., nov. 11 - lun., nov. 17
Delta Logo
9:55 pm - 10:15 amSEA-EZE
31h 20m1 stop
Delta Logo
10:25 pm - 2:27 pmEZE-SEA
21h 02m1 stop
$1,192Delta
Find Deal
mar., nov. 25 - lun., dic. 15
American Airlines Logo
12:59 am - 8:10 amSEA-EZE
26h 11m1 stop
American Airlines Logo
11:20 pm - 3:31 pmEZE-SEA
21h 11m2 stops
$1,194American Airlines
Find Deal
mar., nov. 11 - lun., nov. 17

Air Canada flights from Seattle to Buenos Aires Ministro Pistarini Airport

Our best Air Canada deals on Seattle to Buenos Aires Ministro Pistarini Airport flight tickets
Air Canada
Oct 12
SEA7:15 amSeattle/Tacoma Intl
27h 15m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Oct 27
EZE4:45 pmBuenos Aires Ministro Pistarini
25h 41m
3 stops
SEA2:26 pmSeattle/Tacoma Intl
Air Canada
Sep 7
SEA7:15 amSeattle/Tacoma Intl
27h 15m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
Sep 17
EZE4:35 pmBuenos Aires Ministro Pistarini
57h 41m
3 stops
SEA10:16 pmSeattle/Tacoma Intl
Air Canada
Oct 30
SEA8:15 amSeattle/Tacoma Intl
26h 55m
2 stops
EZE3:10 pmBuenos Aires Ministro Pistarini
Nov 2
EZE4:45 pmBuenos Aires Ministro Pistarini
34h 11m
2 stops
SEA9:56 pmSeattle/Tacoma Intl

American Airlines flights from Seattle to Buenos Aires Ministro Pistarini Airport

Our best American Airlines deals on Seattle to Buenos Aires Ministro Pistarini Airport flight tickets
American Airlines
Nov 11
SEA12:59 amSeattle/Tacoma Intl
26h 11m
1 stop
EZE8:10 amBuenos Aires Ministro Pistarini
Nov 17
EZE10:25 pmBuenos Aires Ministro Pistarini
17h 19m
1 stop
SEA10:44 amSeattle/Tacoma Intl
American Airlines
Nov 11
SEA12:59 amSeattle/Tacoma Intl
26h 11m
1 stop
EZE8:10 amBuenos Aires Ministro Pistarini
Nov 17
EZE11:20 pmBuenos Aires Ministro Pistarini
21h 11m
2 stops
SEA3:31 pmSeattle/Tacoma Intl
American Airlines
Nov 16
SEA12:59 amSeattle/Tacoma Intl
26h 11m
1 stop
EZE8:10 amBuenos Aires Ministro Pistarini
Nov 21
EZE10:25 pmBuenos Aires Ministro Pistarini
17h 19m
1 stop
SEA10:44 amSeattle/Tacoma Intl

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Buenos Aires Ministro Pistarini Airport 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 agosto 21, 2025.
Use the filters below to find and compare flights from Seattle to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

dom. 10/12

9:25 pm-5:11 pm

2 stops39h 46m

Buenos Aires Ministro Pistarini

lun. 10/27

4:30 pm-6:59 pm

2 stops30h 29m

$942

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

jue. 9/18

6:25 am-8:14 am

2 stops21h 49m

Buenos Aires Ministro Pistarini

jue. 9/25

5:04 am-9:53 pm

2 stops20h 49m

$1,038

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

lun. 1/26

7:20 am-9:15 am

2 stops20h 55m

Buenos Aires Ministro Pistarini

mar. 3/10

7:43 pm-1:00 pm

2 stops21h 17m

$1,118

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

mié. 12/3

8:00 am-9:15 am

2 stops20h 15m

Buenos Aires Ministro Pistarini

lun. 12/8

7:43 pm-1:00 pm

2 stops22h 17m

$1,143

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

dom. 10/12

11:10 pm-8:00 am

1 stop28h 50m

Buenos Aires Ministro Pistarini

lun. 10/27

9:05 pm-1:54 pm

2 stops20h 49m

$1,165

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

mié. 11/26

7:10 am-7:20 am

1 stop19h 10m

Buenos Aires Ministro Pistarini

mar. 12/16

10:05 pm-12:42 pm

1 stop19h 37m

$1,175

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

dom. 1/4

11:00 pm-10:15 am

2 stops30h 15m

Buenos Aires Ministro Pistarini

mié. 1/28

7:55 am-10:12 pm

2 stops43h 17m

$1,180

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

mar. 11/11

12:59 am-8:10 am

1 stop26h 11m

Buenos Aires Ministro Pistarini

lun. 11/17

10:25 pm-10:44 am

1 stop17h 19m

$1,190

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

mar. 11/25

9:55 pm-10:15 am

1 stop31h 20m

Buenos Aires Ministro Pistarini

lun. 12/15

10:25 pm-2:27 pm

1 stop21h 02m

$1,192

SeattleBuenos Aires

SEA - EZE

SEAEZE

Seattle/Tacoma Intl

mar. 11/11

12:59 am-8:10 am

1 stop26h 11m

Buenos Aires Ministro Pistarini

lun. 11/17

11:20 pm-3:31 pm

2 stops21h 11m

$1,194

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to Buenos Aires Ministro Pistarini Airport

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 typical price of a round-trip flight between Seattle and Buenos Aires Ministro Pistarini Airport?

What is the cheapest month to fly to Buenos Aires Ministro Pistarini Airport?

If you aren’t able to travel during the month of November, then book flights to Buenos Aires Ministro Pistarini Airport from Seattle during March instead. Flights to Buenos Aires Ministro Pistarini Airport in March, while not as cheap as those in November, still average around $1,223.

What is the cheapest day to depart on your flight to Buenos Aires Ministro Pistarini Airport?

Our data shows that Wednesday is the least expensive day to fly to Buenos Aires Ministro Pistarini Airport. Tickets to fly out on this day can be as low as $1,287. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires Ministro Pistarini Airport on Saturday is $1,569.

What is the cheapest time of day to depart on your flight to Buenos Aires Ministro Pistarini Airport?

According to our data, the cheapest time of day to fly to Buenos Aires Ministro Pistarini Airport is at noon. momondo users have found flights departing from Seattle to Buenos Aires Ministro Pistarini Airport at noon for as low as $1,303. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,629 on average. Flights to Buenos Aires Ministro Pistarini Airport from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Buenos Aires Ministro Pistarini Airport?

You are more likely to see cheaper flights to Buenos Aires Ministro Pistarini Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Ministro Pistarini Airport for around $1,373 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires Ministro Pistarini Airport from Seattle for as low as $1,197 on momondo.

When to book flights from Seattle to Buenos Aires Ministro Pistarini Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Buenos Aires Ministro Pistarini Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Buenos Aires Ministro Pistarini Airport (SEA to EZE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Buenos Aires Ministro Pistarini Airport

Direct flights

None
There are no direct flights from Seattle to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from Seattle to Buenos Aires Ministro Pistarini Airport.
  • How far is Seattle/Tacoma Intl to Buenos Aires Ministro Pistarini by plane?

    A flight from Seattle/Tacoma Intl to Buenos Aires Ministro Pistarini will travel around 6919.9 mi. In terms of flight time, this usually takes a little over 17h 00m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Buenos Aires Ministro Pistarini Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Buenos Aires Ministro Pistarini Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Buenos Aires Ministro Pistarini Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Buenos Aires Ministro Pistarini Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Buenos Aires Ministro Pistarini Airport.

  • What documentation or ID do you need to fly to Buenos Aires Ministro Pistarini Airport?

    The travel and health documents required for your trip to Buenos Aires Ministro Pistarini Airport 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 Buenos Aires Ministro Pistarini Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Buenos Aires Ministro Pistarini Airport?

Best airlines flying from Seattle to Buenos Aires Ministro Pistarini Airport

Compare and see reviews for airlines that fly from Seattle to Buenos Aires Ministro Pistarini Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $1,100Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,133Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $1,200Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Buenos Aires?

It is quick and easy to find Seattle to Buenos Aires 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 Buenos Aires that suits you.

Can I find flights from Seattle to Buenos Aires with flexible booking policies on momondo?

Yes. All flights to Buenos Aires 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 Buenos Aires?

momondo provides multiple filters to help you find the best flight to Buenos Aires from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Buenos Aires right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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mar. 8/26
mar. 9/2

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