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Cheap flights from Buenos Aires to San José from $254

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to San José departing on 8/11. 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

Avianca Logo
1:40 am - 11:30 pmEZE-SJO
24h 50m1 stop
Avianca Logo
1:55 am - 3:20 pmSJO-EZE
10h 25m1 stop
$410Avianca
Find Deal
Fri, Aug 29 - Mon, Sep 1
Avianca Logo
1:40 am - 9:20 amEZE-SJO
10h 40m1 stop
Avianca Logo
4:45 pm - 4:50 amSJO-EZE
9h 05m1 stop
$420Avianca
Find Deal
Fri, Sep 26 - Sat, Sep 27
LATAM Airlines Logo
7:30 am - 3:35 pmEZE-SJO
11h 05m1 stop
LATAM Airlines Logo
5:00 pm - 6:10 amSJO-EZE
10h 10m1 stop
$469LATAM Airlines
Find Deal
Wed, Aug 20 - Wed, Sep 3
LATAM Airlines Logo
9:05 pm - 3:35 pmAEP-SJO
21h 30m2 stops
LATAM Airlines Logo
5:00 pm - 9:40 amSJO-AEP
13h 40m2 stops
$476LATAM Airlines
Find Deal
Wed, Oct 22 - Fri, Oct 24
Copa Airlines Logo
3:48 am - 1:54 pmEZE-SJO
13h 06m1 stop
Copa Airlines Logo
8:49 am - 12:55 amSJO-EZE
13h 06m1 stop
$479Copa Airlines
Find Deal
Sun, Aug 31 - Tue, Sep 23
GOL Logo
6:20 pm - 7:10 pmAEP-SJO
27h 50m1 stop
GOL Logo
8:25 pm - 12:40 pmSJO-AEP
13h 15m1 stop
$487GOL
Find Deal
Fri, Sep 12 - Tue, Sep 16
Copa Airlines Logo
2:14 am - 9:04 amEZE-SJO
9h 50m1 stop
Copa Airlines Logo
10:05 am - 12:55 amSJO-EZE
11h 50m1 stop
$500Copa Airlines
Find Deal
Wed, Aug 13 - Mon, Aug 18
Logo
3:55 am - 3:35 pmEZE-SJO
14h 40m1 stop
Logo
4:45 pm - 4:50 amSJO-EZE
9h 05m1 stop
$501
Find Deal
Fri, Sep 12 - Sat, Sep 20
Logo
6:05 pm - 7:40 pmAEP-SJO
28h 35m1 stop
Logo
5:00 pm - 7:55 amSJO-AEP
11h 55m1 stop
$507
Find Deal
Mon, Nov 17 - Wed, Nov 26
GOL Logo
6:20 pm - 7:10 pmAEP-SJO
27h 50m1 stop
GOL Logo
8:25 pm - 5:20 pmSJO-AEP
17h 55m1 stop
$510GOL
Find Deal
Mon, Sep 15 - Sat, Sep 20

Avianca flights from Buenos Aires to San José, San José Province

Our best Avianca deals on Buenos Aires to San José, San José Province flight tickets
Avianca
Aug 29
EZE1:40 amBuenos Aires Ministro Pistarini
24h 50m
1 stop
SJO11:30 pmSan José Juan Santamaria Intl
Sep 1
SJO1:55 amSan José Juan Santamaria Intl
10h 25m
1 stop
EZE3:20 pmBuenos Aires Ministro Pistarini
$410
Find similar
Avianca
Sep 26
EZE1:40 amBuenos Aires Ministro Pistarini
10h 40m
1 stop
SJO9:20 amSan José Juan Santamaria Intl
Sep 27
SJO4:45 pmSan José Juan Santamaria Intl
9h 05m
1 stop
EZE4:50 amBuenos Aires Ministro Pistarini
$420
Find similar
Avianca
Oct 21
EZE1:40 amBuenos Aires Ministro Pistarini
10h 40m
1 stop
SJO9:20 amSan José Juan Santamaria Intl
Oct 24
SJO5:30 pmSan José Juan Santamaria Intl
9h 05m
1 stop
EZE5:35 amBuenos Aires Ministro Pistarini
$425
Find similar

LATAM Airlines flights from Buenos Aires to San José, San José Province

Our best LATAM Airlines deals on Buenos Aires to San José, San José Province flight tickets
LATAM Airlines
Aug 20
EZE7:30 amBuenos Aires Ministro Pistarini
11h 05m
1 stop
SJO3:35 pmSan José Juan Santamaria Intl
Sep 3
SJO5:00 pmSan José Juan Santamaria Intl
10h 10m
1 stop
EZE6:10 amBuenos Aires Ministro Pistarini
$469
Find similar
LATAM Airlines
Oct 22
AEP9:05 pmBuenos Aires Jorge Newbery
21h 30m
2 stops
SJO3:35 pmSan José Juan Santamaria Intl
Oct 24
SJO5:00 pmSan José Juan Santamaria Intl
13h 40m
2 stops
AEP9:40 amBuenos Aires Jorge Newbery
$476
Find similar
LATAM Airlines
Aug 30
EZE7:13 pmBuenos Aires Ministro Pistarini
23h 22m
2 stops
SJO3:35 pmSan José Juan Santamaria Intl
Sep 2
SJO5:00 pmSan José Juan Santamaria Intl
15h 45m
2 stops
EZE11:45 amBuenos Aires Ministro Pistarini
$482
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires to San José, San José Province 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 July 31, 2025.
Use the filters below to find and compare flights from Buenos Aires to San José, San José Province that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Fri 8/29

1:40 am-11:30 pm

1 stop24h 50m

San José Juan Santamaria Intl

Mon 9/1

1:55 am-3:20 pm

1 stop10h 25m

$410

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Fri 9/26

1:40 am-9:20 am

1 stop10h 40m

San José Juan Santamaria Intl

Sat 9/27

4:45 pm-4:50 am

1 stop9h 05m

$420

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Wed 8/20

7:30 am-3:35 pm

1 stop11h 05m

San José Juan Santamaria Intl

Wed 9/3

5:00 pm-6:10 am

1 stop10h 10m

$469

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Wed 10/22

9:05 pm-3:35 pm

2 stops21h 30m

San José Juan Santamaria Intl

Fri 10/24

5:00 pm-9:40 am

2 stops13h 40m

$476

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Sun 8/31

3:48 am-1:54 pm

1 stop13h 06m

San José Juan Santamaria Intl

Tue 9/23

8:49 am-12:55 am

1 stop13h 06m

$479

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Fri 9/12

6:20 pm-7:10 pm

1 stop27h 50m

San José Juan Santamaria Intl

Tue 9/16

8:25 pm-12:40 pm

1 stop13h 15m

$487

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Wed 8/13

2:14 am-9:04 am

1 stop9h 50m

San José Juan Santamaria Intl

Mon 8/18

10:05 am-12:55 am

1 stop11h 50m

$500

Buenos AiresSan José

EZE - SJO

EZESJO

Buenos Aires Ministro Pistarini

Fri 9/12

3:55 am-3:35 pm

1 stop14h 40m

San José Juan Santamaria Intl

Sat 9/20

4:45 pm-4:50 am

1 stop9h 05m

$501

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Mon 11/17

6:05 pm-7:40 pm

1 stop28h 35m

San José Juan Santamaria Intl

Wed 11/26

5:00 pm-7:55 am

1 stop11h 55m

$507

Buenos AiresSan José

AEP - SJO

AEPSJO

Buenos Aires Jorge Newbery

Mon 9/15

6:20 pm-7:10 pm

1 stop27h 50m

San José Juan Santamaria Intl

Sat 9/20

8:25 pm-5:20 pm

1 stop17h 55m

$510

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 Buenos Aires to San José, San José Province

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 San José, San José Province?

The month of September is, on average, the cheapest month to fly to San José, San José Province from Buenos Aires, with most prices found around $547. If you’re not able to fly to San José, San José Province in September, then June is your next best option. Flight prices from Buenos Aires to San José, San José Province during June average around $565.

What is the cheapest day to depart on your flight to San José, San José Province?

The cheapest day to depart from Buenos Aires to San José, San José Province is on a Sunday when prices can be found for as low as $598. The most expensive day to fly to San José, San José Province is Monday, with ticket prices averaging around $1,017.

What is the cheapest time of day to depart on your flight to San José, San José Province?

At noon is the cheapest time of day to fly from Buenos Aires to San José, San José Province when you can find flight prices for as low as $545. Flying to San José, San José Province at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $758 per ticket.

What is the cheapest Buenos Aires to San José Juan Santamaria Intl flight route?

Fly from Buenos Aires Ministro Pistarini to San José Juan Santamaria Intl for the best Buenos Aires - San José Juan Santamaria Intl flight prices

How far in advance should I book a flight to San José, San José Province?

You are more likely to see cheaper flights to San José, San José Province from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to San José, San José Province for around $695 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José, San José Province from Buenos Aires for as low as $581 on momondo.

What cabin class options are available on Buenos Aires to San José Juan Santamaria Intl flights?

There are 1 cabin classes available to choose from on Buenos Aires to San José Juan Santamaria Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Buenos Aires to San José, San José Province flight prices changed over time?

As of July 2025, prices for Buenos Aires to San José, San José Province flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Buenos Aires to San José, San José Province

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

Cheap Buenos Aires to San José, San José Province (BUE to SJO) flight deals and tips

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

Best Price Found

$254

Fastest flight time

9h 30m

Direct flights

Mon, Tue, Wed, Thu, Sat and Sun

Airports in San José, San José Province

1 airport
The best one-way flight to San José, San José Province from Buenos Aires in the past 72 hours is $254. The best round-trip flight deal from Buenos Aires to San José, San José Province found on momondo in the last 72 hours is $410.
The fastest flight from Buenos Aires to San José, San José Province takes 9h 30m
Direct flights go from Buenos Aires to San José, San José Province on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Avianca.
There is 1 airport near San José, San José Province: San José Juan Santamaria Intl (SJO)
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  • How far is Buenos Aires to San José Juan Santamaria Intl by plane?

    Buenos Aires and San José Juan Santamaria Intl are 3505.7 mi apart from one another. Flights usually cover this in 9h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Buenos Aires to San José Juan Santamaria Intl Airport?

    Prices for flights from Buenos Aires to San José Juan Santamaria Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Buenos Aires to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Buenos Aires to San José Juan Santamaria Intl 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 Buenos Aires to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The travel and health documents you'll need for your trip to San José Juan Santamaria Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San José Juan Santamaria Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Buenos Aires to San José, San José Province?

  • What is the most popular airline from Buenos Aires to San José, San José Province?

Best airlines flying from Buenos Aires to San José, San José Province

Compare and see reviews for airlines that fly from Buenos Aires to San José, San José Province with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $274Free CancellationRating
7.5
1,493 reviews
Search Copa Airlines flights
AviancaPriceFrom $466Free CancellationRating
6.7
2,388 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $476Free CancellationRating
7.5
1,822 reviews
Search LATAM Airlines flights

  • Avianca Flights From Buenos Aires to San José, San José Province

    Avianca is one of the most popular airlines flying from Buenos Aires to San José, San José Province, operating 1 flight/week on average for this route. A good Avianca flight deal for Buenos Aires to San José, San José Province starts from $466 round-trip, up to an average price of $663. Our users have rated Avianca at 6.7/10.

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

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

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 Buenos Aires to San José for you.

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

Yes. momondo allows you to filter the results for Buenos Aires to San José flights to just show those with flexible booking policies.

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

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 San José from Buenos Aires.

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

If you are not ready to book a flight from Buenos Aires to San José now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San José and let you know when they change.

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