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Cheap flights from Seattle to Buenos Aires from $470

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:00 pm - 8:30 amSEA  Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery
39h 30m2 stops Los Angeles Lima J Chavez Intl
Multiple Airlines Logo
3:50 pm - 11:51 amAEP  Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl
25h 01m2 stops Santiago Arturo Merino Benitez Los Angeles
$1,102Multiple Airlines
Sat, Feb 20 - Mon, Mar 1
Multiple Airlines Logo
12:00 pm - 10:40 amSEA  Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini
41h 40m2 stops Los Angeles Santiago Arturo Merino Benitez
Multiple Airlines Logo
12:50 pm - 4:47 pmEZE  Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl
32h 57m2 stops Santiago Arturo Merino Benitez Los Angeles
$1,102Multiple Airlines
Sat, Feb 20 - Mon, Mar 1
Multiple Airlines Logo
9:50 am - 4:00 pmSEA  Seattle/Tacoma Intl-AEP Buenos Aires Jorge Newbery
25h 10m2 stops Los Angeles Lima J Chavez Intl
Multiple Airlines Logo
5:35 pm - 9:05 pmAEP  Buenos Aires Jorge Newbery-SEA Seattle/Tacoma Intl
32h 30m2 stops Lima J Chavez Intl Los Angeles
$1,142Multiple Airlines
Thu, Feb 18 - Tue, Mar 9
LATAM Airlines Logo
8:25 am - 9:50 amSEA  Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini
20h 25m1 stop Miami
LATAM Airlines Logo
11:35 pm - 6:59 pmEZE  Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl
24h 24m1 stop Atlanta Hartsfield-Jackson
$1,188LATAM Airlines
Thu, Jan 14 - Thu, Jan 28
LATAM Airlines Logo
8:10 am - 9:50 amSEA  Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini
20h 40m1 stop Miami
LATAM Airlines Logo
9:30 pm - 10:23 amEZE  Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl
17h 53m1 stop Atlanta Hartsfield-Jackson
$1,188LATAM Airlines
Thu, Dec 10 - Thu, Dec 24
LATAM Airlines Logo
8:25 am - 9:50 amSEA  Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini
20h 25m1 stop Miami
LATAM Airlines Logo
9:30 pm - 10:26 amEZE  Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl
17h 56m1 stop Atlanta Hartsfield-Jackson
$1,188LATAM Airlines
Wed, Jan 6 - Wed, Jan 20
Delta Logo
8:25 am - 9:40 amSEA  Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini
20h 15m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:30 pm - 4:47 pmEZE  Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl
24h 17m1 stop Atlanta Hartsfield-Jackson
$1,242Delta
Thu, Nov 26 - Mon, Nov 30
Delta Logo
5:45 pm - 6:35 pmSEA  Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini
19h 50m2 stops Salt Lake City Lima J Chavez Intl
Delta Logo
11:35 pm - 2:38 pmEZE  Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl
20h 03m1 stop Atlanta Hartsfield-Jackson
$1,242Delta
Thu, Jan 14 - Thu, Jan 28
American Airlines Logo
10:27 am - 9:00 amSEA  Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini
17h 33m1 stop Dallas/Fort Worth
American Airlines Logo
10:30 pm - 1:17 pmEZE  Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl
19h 47m1 stop Dallas/Fort Worth
$1,242American Airlines
Tue, Dec 8 - Tue, Dec 15
American Airlines Logo
5:10 am - 8:15 amSEA  Seattle/Tacoma Intl-EZE Buenos Aires Ministro Pistarini
22h 05m1 stop Dallas/Fort Worth
American Airlines Logo
10:25 pm - 4:59 pmEZE  Buenos Aires Ministro Pistarini-SEA Seattle/Tacoma Intl
23h 34m1 stop Dallas/Fort Worth
$1,242American Airlines
Sun, Nov 15 - Sun, Nov 22

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LATAM Airlines flights from Seattle to Buenos Aires

Our best LATAM Airlines deals on Seattle to Buenos Aires flight tickets
LATAM Airlines
Dec 10
SEA8:10 amSeattle/Tacoma Intl
20h 40m
1 stop
EZE9:50 amBuenos Aires Ministro Pistarini
Dec 24
EZE9:30 pmBuenos Aires Ministro Pistarini
17h 53m
1 stop
SEA10:23 amSeattle/Tacoma Intl
$1,188
LATAM Airlines
Jan 18
SEA8:25 amSeattle/Tacoma Intl
20h 25m
1 stop
EZE9:50 amBuenos Aires Ministro Pistarini
Mar 24
EZE8:05 pmBuenos Aires Ministro Pistarini
20h 55m
2 stops
SEA1:00 pmSeattle/Tacoma Intl
$1,192
LATAM Airlines
Jan 18
SEA7:50 amSeattle/Tacoma Intl
18h 45m
1 stop
EZE7:35 amBuenos Aires Ministro Pistarini
Mar 24
EZE8:05 pmBuenos Aires Ministro Pistarini
27h 18m
1 stop
SEA7:23 pmSeattle/Tacoma Intl
$1,235

American Airlines flights from Seattle to Buenos Aires

Our best American Airlines deals on Seattle to Buenos Aires flight tickets
American Airlines
Mar 15
SEA7:30 amSeattle/Tacoma Intl
20h 00m
1 stop
EZE7:30 amBuenos Aires Ministro Pistarini
Mar 29
EZE10:20 pmBuenos Aires Ministro Pistarini
30h 12m
1 stop
SEA12:32 amSeattle/Tacoma Intl
$1,248
American Airlines
Jan 17
SEA5:11 amSeattle/Tacoma Intl
22h 19m
1 stop
EZE8:30 amBuenos Aires Ministro Pistarini
Jan 31
EZE10:30 pmBuenos Aires Ministro Pistarini
29h 05m
1 stop
SEA10:35 pmSeattle/Tacoma Intl
$1,257
American Airlines
Jan 17
SEA7:20 amSeattle/Tacoma Intl
19h 55m
2 stops
EZE8:15 amBuenos Aires Ministro Pistarini
Jan 31
EZE10:30 pmBuenos Aires Ministro Pistarini
29h 05m
1 stop
SEA10:35 pmSeattle/Tacoma Intl
$1,261

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - AEP Buenos Aires Jorge Newbery

SEAAEP

Seattle/Tacoma Intl

Sat 2/20

12:00 pm-8:30 am

2 stops39h 30m

Buenos Aires Jorge Newbery

Mon 3/1

3:50 pm-11:51 am

2 stops25h 01m

$1,102

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Sat 2/20

12:00 pm-10:40 am

2 stops41h 40m

Buenos Aires Ministro Pistarini

Mon 3/1

12:50 pm-4:47 pm

2 stops32h 57m

$1,102

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - AEP Buenos Aires Jorge Newbery

SEAAEP

Seattle/Tacoma Intl

Thu 2/18

9:50 am-4:00 pm

2 stops25h 10m

Buenos Aires Jorge Newbery

Tue 3/9

5:35 pm-9:05 pm

2 stops32h 30m

$1,142

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 1/14

8:25 am-9:50 am

1 stop20h 25m

Buenos Aires Ministro Pistarini

Thu 1/28

11:35 pm-6:59 pm

1 stop24h 24m

$1,188

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 12/10

8:10 am-9:50 am

1 stop20h 40m

Buenos Aires Ministro Pistarini

Thu 12/24

9:30 pm-10:23 am

1 stop17h 53m

$1,188

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Wed 1/6

8:25 am-9:50 am

1 stop20h 25m

Buenos Aires Ministro Pistarini

Wed 1/20

9:30 pm-10:26 am

1 stop17h 56m

$1,188

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 11/26

8:25 am-9:40 am

1 stop20h 15m

Buenos Aires Ministro Pistarini

Mon 11/30

9:30 pm-4:47 pm

1 stop24h 17m

$1,242

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Thu 1/14

5:45 pm-6:35 pm

2 stops19h 50m

Buenos Aires Ministro Pistarini

Thu 1/28

11:35 pm-2:38 pm

1 stop20h 03m

$1,242
Quickest round-trip

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Tue 12/8

10:27 am-9:00 am

1 stop17h 33m

Buenos Aires Ministro Pistarini

Tue 12/15

10:30 pm-1:17 pm

1 stop19h 47m

$1,242

SeattleBuenos Aires

SEA Seattle/Tacoma Intl - EZE Buenos Aires Ministro Pistarini

SEAEZE

Seattle/Tacoma Intl

Sun 11/15

5:10 am-8:15 am

1 stop22h 05m

Buenos Aires Ministro Pistarini

Sun 11/22

10:25 pm-4:59 pm

1 stop23h 34m

$1,242

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 Buenos Aires from

How to get the cheapest flight ticket from Seattle to Buenos Aires

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,046 to $1,568.
The lowest price recently found on this route was $1,102.

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Seattle is in March. Flight prices, which tend to average around $1,214, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Buenos Aires from Seattle during June instead. Flights to Buenos Aires in June, while not as cheap as those in March, still average around $1,346.

Can stopping save me money on Seattle to Buenos Aires flights?

You could potentially save up to 38% on your flight if you consider stops on a Seattle to Buenos Aires flight.

When to book flights from Seattle to Buenos Aires

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

Cheap Seattle to Buenos Aires (SEA to BUE) flight deals and tips

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

Best Price Found

$470

Fastest flight time

18h 10m

Direct flights

None
The best one-way flight to Buenos Aires from Seattle in the past 72 hours is $470. The best round-trip flight deal from Seattle to Buenos Aires found on momondo in the last 72 hours is $1,102.
The fastest flight from Seattle to Buenos Aires takes 18h 10m
There are no direct flights from Seattle to Buenos Aires. There are no popular flight routes from Seattle to Buenos Aires.
Search flight deals

Frequently asked questions about flying from Seattle to Buenos Aires

  • How far is Seattle/Tacoma Intl to Buenos Aires by plane?

    The straight-line distance from Seattle/Tacoma Intl to Buenos Aires is 6914.0 mi. Typically, this will take 18h 10m by plane in normal conditions.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Buenos Aires are refreshed on a daily basis.

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

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

    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.

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

    The necessary travel and health documents for your Buenos Aires trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Seattle to Buenos Aires

Compare and see reviews for airlines that fly from Seattle to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $159Free CancellationRating
7.8
8,661 reviews
Search Delta flights
LATAM AirlinesPriceFrom $946Free CancellationRating
7.4
1,971 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom $1,126Free CancellationRating
7.0
12,186 reviews
Search American Airlines flights

Why use momondo?

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

Finding the right flight to Buenos Aires from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Buenos Aires from Seattle with this policy.

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?

Yes. momondo can track prices for Seattle to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport