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Cheap flights from San Jose to Buenos Aires from $477

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 to Buenos Aires departing on 2/20. 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

LATAM Airlines Logo
9:04 am - 9:40 amSJC-AEP
19h 36m2 stops
LATAM Airlines Logo
12:40 pm - 1:16 pmAEP-SJC
29h 36m3 stops
$1,355LATAM Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11
LATAM Airlines Logo
12:55 pm - 5:00 pmSJC-AEP
23h 05m2 stops
LATAM Airlines Logo
5:15 pm - 12:09 pmAEP-SJC
22h 54m2 stops
$1,358LATAM Airlines
Find Deal
Thu, Feb 26 - Wed, Mar 11
LATAM Airlines Logo
12:39 pm - 6:40 pmSJC-AEP
25h 01m2 stops
LATAM Airlines Logo
6:20 pm - 11:34 amAEP-SJC
22h 14m2 stops
$1,385LATAM Airlines
Find Deal
Thu, Nov 20 - Fri, Dec 5
LATAM Airlines Logo
7:00 am - 7:55 amSJC-AEP
20h 55m2 stops
LATAM Airlines Logo
5:15 pm - 12:50 pmAEP-SJC
24h 35m2 stops
$1,388LATAM Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
LATAM Airlines Logo
10:25 pm - 9:30 pmSJC-AEP
42h 05m2 stops
LATAM Airlines Logo
6:20 pm - 11:34 amAEP-SJC
22h 14m2 stops
$1,403LATAM Airlines
Find Deal
Fri, Nov 21 - Thu, Dec 4
LATAM Airlines Logo
5:40 pm - 4:00 pmSJC-AEP
18h 20m2 stops
LATAM Airlines Logo
5:15 pm - 11:17 amAEP-SJC
23h 02m2 stops
$1,413LATAM Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
LATAM Airlines Logo
5:45 pm - 7:40 pmSJC-AEP
21h 55m3 stops
LATAM Airlines Logo
6:20 pm - 9:44 amAEP-SJC
20h 24m2 stops
$1,490LATAM Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Multiple Airlines Logo
10:25 pm - 4:05 amSJC-AEP
24h 40m2 stops
Multiple Airlines Logo
6:20 pm - 6:23 pmAEP-SJC
29h 03m2 stops
$4,097Multiple Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 23
Delta Logo
12:39 pm - 1:40 pmSJC-AEP
20h 01m2 stops
Delta Logo
6:35 pm - 11:34 amAEP-SJC
21h 59m2 stops
$7,165Delta
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Mon, Nov 17 - Sun, Nov 23
Delta Logo
12:26 pm - 3:40 pmSJC-AEP
22h 14m2 stops
Delta Logo
6:50 pm - 12:09 pmAEP-SJC
22h 19m2 stops
$7,365Delta
Find Deal
Sat, Dec 20 - Mon, Jan 5

LATAM Airlines flights from San Jose to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on San Jose to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
Dec 8
SJC9:04 amSan Jose
19h 36m
2 stops
AEP9:40 amBuenos Aires Jorge Newbery
Dec 11
AEP12:40 pmBuenos Aires Jorge Newbery
29h 36m
3 stops
SJC1:16 pmSan Jose
$1,355
Find similar
LATAM Airlines
Feb 26
SJC12:55 pmSan Jose
23h 05m
2 stops
AEP5:00 pmBuenos Aires Jorge Newbery
Mar 11
AEP5:15 pmBuenos Aires Jorge Newbery
22h 54m
2 stops
SJC12:09 pmSan Jose
$1,358
Find similar
LATAM Airlines
Nov 20
SJC12:39 pmSan Jose
25h 01m
2 stops
AEP6:40 pmBuenos Aires Jorge Newbery
Dec 5
AEP6:20 pmBuenos Aires Jorge Newbery
22h 14m
2 stops
SJC11:34 amSan Jose
$1,385
Find similar

Delta flights from San Jose to Buenos Aires Jorge Newbery Airport

Our best Delta deals on San Jose to Buenos Aires Jorge Newbery Airport flight tickets
Delta
Nov 17
SJC12:39 pmSan Jose
20h 01m
2 stops
AEP1:40 pmBuenos Aires Jorge Newbery
Nov 23
AEP6:35 pmBuenos Aires Jorge Newbery
21h 59m
2 stops
SJC11:34 amSan Jose
$7,165
Find similar
Delta
Dec 20
SJC12:26 pmSan Jose
22h 14m
2 stops
AEP3:40 pmBuenos Aires Jorge Newbery
Jan 5
AEP6:50 pmBuenos Aires Jorge Newbery
22h 19m
2 stops
SJC12:09 pmSan Jose
$7,365
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Jose to Buenos Aires Jorge Newbery 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 September 17, 2025.
Use the filters below to find and compare flights from San Jose to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Mon 12/8

9:04 am-9:40 am

2 stops19h 36m

Buenos Aires Jorge Newbery

Thu 12/11

12:40 pm-1:16 pm

3 stops29h 36m

$1,355

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Thu 2/26

12:55 pm-5:00 pm

2 stops23h 05m

Buenos Aires Jorge Newbery

Wed 3/11

5:15 pm-12:09 pm

2 stops22h 54m

$1,358

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Thu 11/20

12:39 pm-6:40 pm

2 stops25h 01m

Buenos Aires Jorge Newbery

Fri 12/5

6:20 pm-11:34 am

2 stops22h 14m

$1,385

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 10/31

7:00 am-7:55 am

2 stops20h 55m

Buenos Aires Jorge Newbery

Fri 11/7

5:15 pm-12:50 pm

2 stops24h 35m

$1,388

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 11/21

10:25 pm-9:30 pm

2 stops42h 05m

Buenos Aires Jorge Newbery

Thu 12/4

6:20 pm-11:34 am

2 stops22h 14m

$1,403

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Thu 10/30

5:40 pm-4:00 pm

2 stops18h 20m

Buenos Aires Jorge Newbery

Thu 11/6

5:15 pm-11:17 am

2 stops23h 02m

$1,413

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Fri 10/31

5:45 pm-7:40 pm

3 stops21h 55m

Buenos Aires Jorge Newbery

Fri 11/7

6:20 pm-9:44 am

2 stops20h 24m

$1,490

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Wed 11/12

10:25 pm-4:05 am

2 stops24h 40m

Buenos Aires Jorge Newbery

Sun 11/23

6:20 pm-6:23 pm

2 stops29h 03m

$4,097

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Mon 11/17

12:39 pm-1:40 pm

2 stops20h 01m

Buenos Aires Jorge Newbery

Sun 11/23

6:35 pm-11:34 am

2 stops21h 59m

$7,165

San JoseBuenos Aires

SJC - AEP

SJCAEP

San Jose

Sat 12/20

12:26 pm-3:40 pm

2 stops22h 14m

Buenos Aires Jorge Newbery

Mon 1/5

6:50 pm-12:09 pm

2 stops22h 19m

$7,365

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from San Jose to Buenos Aires Jorge Newbery 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 cheapest airline that flies from San Jose to Buenos Aires Jorge Newbery?

LATAM Airlines is the most popular carrier operating from San Jose to Buenos Aires Jorge Newbery

When to book flights from San Jose to Buenos Aires Jorge Newbery Airport

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

Cheap San Jose to Buenos Aires Jorge Newbery Airport (SJC to AEP) flight deals and tips

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

Direct flights

None
There are no direct flights from San Jose to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from San Jose to Buenos Aires Jorge Newbery Airport.
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  • How far is San Jose to Buenos Aires Jorge Newbery by plane?

    There are 6418.2 mi between San Jose and Buenos Aires Jorge Newbery. Flights usually cover this in 18h 20m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Jose Airport to Buenos Aires Jorge Newbery Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Jose Airport to Buenos Aires Jorge Newbery Airport.

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

    The required travel and health documents for your Buenos Aires Jorge Newbery Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires Jorge Newbery Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Jose to Buenos Aires. momondo saves you time and could save you money on your trip.

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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from San Jose.

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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