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Cheap flights from San Jose, California to Buenos Aires from $646

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to Buenos Aires departing on 1/16. 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 San Jose, California to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:28 pm - 10:20 am
SJC
-
EZE
37h 52m3 stops
Multiple Airlines Logo
5:00 pm - 10:32 am
EZE
-
SJC
45h 32m3 stops
$1,197Multiple Airlines
Sun, Mar 22 - Mon, Mar 30
LATAM Airlines Logo
12:45 pm - 9:45 am
SJC
-
EZE
17h 00m1 stop
LATAM Airlines Logo
8:10 pm - 11:48 am
EZE
-
SJC
19h 38m1 stop
$1,269LATAM Airlines
Tue, Apr 28 - Wed, May 13
LATAM Airlines Logo
12:45 pm - 11:30 am
SJC
-
EZE
18h 45m2 stops
LATAM Airlines Logo
8:10 pm - 11:48 am
EZE
-
SJC
19h 38m1 stop
$1,285LATAM Airlines
Tue, Apr 28 - Wed, May 13
Multiple Airlines Logo
4:28 pm - 4:30 am
SJC
-
EZE
32h 02m2 stops
Multiple Airlines Logo
5:00 pm - 10:32 am
EZE
-
SJC
45h 32m3 stops
$1,291Multiple Airlines
Sun, Mar 22 - Mon, Mar 30
LATAM Airlines Logo
5:05 pm - 4:00 pm
SJC
-
AEP
18h 55m2 stops
LATAM Airlines Logo
8:05 pm - 10:53 am
AEP
-
SJC
18h 48m2 stops
$1,301LATAM Airlines
Tue, Apr 28 - Wed, May 13
Multiple Airlines Logo
1:23 pm - 9:45 am
SJC
-
EZE
16h 22m1 stop
Multiple Airlines Logo
8:10 pm - 11:48 am
EZE
-
SJC
19h 38m1 stop
$1,306Multiple Airlines
Fri, May 1 - Sat, May 9
LATAM Airlines Logo
10:45 pm - 7:40 am
SJC
-
AEP
28h 55m2 stops
LATAM Airlines Logo
5:05 pm - 6:49 pm
AEP
-
SJC
29h 44m2 stops
$1,306LATAM Airlines
Fri, May 1 - Sat, May 9
Multiple Airlines Logo
7:00 am - 8:35 am
SJC
-
EZE
21h 35m2 stops
Multiple Airlines Logo
8:10 pm - 11:48 am
EZE
-
SJC
19h 38m1 stop
$1,310Multiple Airlines
Fri, May 1 - Sat, May 9
LATAM Airlines Logo
10:45 pm - 10:15 am
SJC
-
EZE
31h 30m2 stops
LATAM Airlines Logo
1:20 pm - 12:03 pm
EZE
-
SJC
26h 43m2 stops
$1,313LATAM Airlines
Sun, Mar 22 - Mon, Mar 30
LATAM Airlines Logo
5:05 pm - 7:40 am
SJC
-
AEP
34h 35m2 stops
LATAM Airlines Logo
3:40 pm - 10:53 am
AEP
-
SJC
23h 13m2 stops
$1,333LATAM Airlines
Fri, May 1 - Sat, May 9

LATAM Airlines flights from San Jose, California to Buenos Aires

Our best LATAM Airlines deals on San Jose, California to Buenos Aires flight tickets
LATAM Airlines
Apr 28
SJC12:45 pmSan Jose
17h 00m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
May 13
EZE8:10 pmBuenos Aires Ministro Pistarini
19h 38m
1 stop
SJC11:48 amSan Jose
$1,269
Find similar
LATAM Airlines
Apr 28
SJC12:45 pmSan Jose
18h 45m
2 stops
EZE11:30 amBuenos Aires Ministro Pistarini
May 13
EZE8:10 pmBuenos Aires Ministro Pistarini
19h 38m
1 stop
SJC11:48 amSan Jose
$1,285
Find similar
LATAM Airlines
Apr 28
SJC5:05 pmSan Jose
18h 55m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
May 13
AEP8:05 pmBuenos Aires Jorge Newbery
18h 48m
2 stops
SJC10:53 amSan Jose
$1,301
Find similar

Delta flights from San Jose, California to Buenos Aires

Our best Delta deals on San Jose, California to Buenos Aires flight tickets
Delta
Mar 4
SJC6:45 amSan Jose
18h 20m
2 stops
EZE6:05 amBuenos Aires Ministro Pistarini
Mar 8
EZE8:55 pmBuenos Aires Ministro Pistarini
19h 13m
1 stop
SJC12:08 pmSan Jose
$1,386
Find similar
Delta
May 1
SJC7:20 amSan Jose
22h 25m
2 stops
EZE9:45 amBuenos Aires Ministro Pistarini
May 9
EZE8:10 pmBuenos Aires Ministro Pistarini
20h 43m
2 stops
SJC12:53 pmSan Jose
$1,400
Find similar
Delta
Feb 27
SJC10:35 pmSan Jose
27h 45m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Mar 14
EZE8:00 amBuenos Aires Ministro Pistarini
28h 16m
2 stops
SJC8:16 amSan Jose
$1,404
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California to Buenos Aires 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 22, 2025.
Use the filters below to find and compare flights from San Jose, California to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sun 3/22

4:28 pm-10:20 am

3 stops37h 52m

Buenos Aires Ministro Pistarini

Mon 3/30

5:00 pm-10:32 am

3 stops45h 32m

$1,197

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Tue 4/28

12:45 pm-9:45 am

1 stop17h 00m

Buenos Aires Ministro Pistarini

Wed 5/13

8:10 pm-11:48 am

1 stop19h 38m

$1,269

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Tue 4/28

12:45 pm-11:30 am

2 stops18h 45m

Buenos Aires Ministro Pistarini

Wed 5/13

8:10 pm-11:48 am

1 stop19h 38m

$1,285

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sun 3/22

4:28 pm-4:30 am

2 stops32h 02m

Buenos Aires Ministro Pistarini

Mon 3/30

5:00 pm-10:32 am

3 stops45h 32m

$1,291

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Tue 4/28

5:05 pm-4:00 pm

2 stops18h 55m

Buenos Aires Jorge Newbery

Wed 5/13

8:05 pm-10:53 am

2 stops18h 48m

$1,301

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Fri 5/1

1:23 pm-9:45 am

1 stop16h 22m

Buenos Aires Ministro Pistarini

Sat 5/9

8:10 pm-11:48 am

1 stop19h 38m

$1,306

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 5/1

10:45 pm-7:40 am

2 stops28h 55m

Buenos Aires Jorge Newbery

Sat 5/9

5:05 pm-6:49 pm

2 stops29h 44m

$1,306

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Fri 5/1

7:00 am-8:35 am

2 stops21h 35m

Buenos Aires Ministro Pistarini

Sat 5/9

8:10 pm-11:48 am

1 stop19h 38m

$1,310

San JoseBuenos Aires

SJC - EZE

SJCEZE

San Jose

Sun 3/22

10:45 pm-10:15 am

2 stops31h 30m

Buenos Aires Ministro Pistarini

Mon 3/30

1:20 pm-12:03 pm

2 stops26h 43m

$1,313

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 5/1

5:05 pm-7:40 am

2 stops34h 35m

Buenos Aires Jorge Newbery

Sat 5/9

3:40 pm-10:53 am

2 stops23h 13m

$1,333

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 San Jose, California 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 cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from San Jose, California is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,079. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Monday is $1,433.

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

Our most recent data shows that the best time of day to fly to Buenos Aires is in the evening. Flights from San Jose, California to Buenos Aires during this time can be as low as $1,196. Try not to purchase tickets in the afternoon because they tend to be around $1,563. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from San Jose, California to Buenos Aires

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

Cheap San Jose, California to Buenos Aires (SJC to BUE) flight deals and tips

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

Fastest flight time

15h 29m

Direct flights

None
The fastest flight from San Jose, California to Buenos Aires takes 15h 29m
There are no direct flights from San Jose, California to Buenos Aires. There are no popular flight routes from San Jose, California to Buenos Aires.
Search flight deals

  • How far is San Jose to Buenos Aires by plane?

    A flight from San Jose to Buenos Aires will travel around 6422.4 mi. 15h 29m is a normal flight duration for this route.

  • When did momondo last update prices for flights from San Jose Airport to Buenos Aires?

    Prices for flights from San Jose Airport to Buenos Aires are updated daily.

  • How many operators does momondo search for flights from San Jose Airport to Buenos Aires?

  • How old do you have to be to fly from San Jose Airport to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose 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 San Jose, California to Buenos Aires?

Best airlines flying from San Jose, California to Buenos Aires

Compare and see reviews for airlines that fly from San Jose, California to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $915Free CancellationRating
7.9
8,014 reviews
Search Delta flights
American AirlinesPriceFrom $1,075Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,365Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Jose to Buenos Aires for you.

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

Yes. All flights to Buenos Aires from San Jose on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Jose to Buenos Aires?

Once you have performed a search for San Jose to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for San Jose 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

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport