Cheap flights from San José, San José Province to Buenos Aires from $218
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 José, San José Province to Buenos Aires departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from San José, San José Province to Buenos Aires
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
LATAM Airlines flights from San José, San José Province to Buenos Aires
Our best LATAM Airlines deals on San José, San José Province to Buenos Aires flight tickets
Avianca flights from San José, San José Province to Buenos Aires
Our best Avianca deals on San José, San José Province to Buenos Aires flight tickets
See travel insights to Buenos Aires from
How to get the cheapest flight ticket from San José, San José Province 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 San José, San José Province and Buenos Aires?
What is the cheapest month to fly to Buenos Aires?
The cheapest month to fly to Buenos Aires from San José, San José Province is in June. Flight prices, which tend to average around $558, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Buenos Aires from San José, San José Province during May instead. Flights to Buenos Aires in May, while not as cheap as those in June, still average around $563.
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 José, San José Province is on a Saturday. momondo users have found tickets for Saturday departures for as low as $569. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Friday is $631.
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 at noon. Flights from San José, San José Province to Buenos Aires during this time can be as low as $545. Try not to purchase tickets in the evening because they tend to be around $596. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest San José Juan Santamaria Intl to Buenos Aires flight route?
Fly from San José Juan Santamaria Intl to Buenos Aires Ministro Pistarini for the best San José Juan Santamaria Intl - Buenos Aires flight prices
How far in advance should I book a flight to Buenos Aires?
You are more likely to see cheaper flights to Buenos Aires from San José, San José Province when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $598 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from San José, San José Province for as low as $482 on momondo.
What cabin class options are available on San José Juan Santamaria Intl to Buenos Aires flights?
There are 1 cabin classes available to choose from on San José Juan Santamaria Intl to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San José Juan Santamaria Intl to Buenos Aires?
Avianca, GOL, and LATAM Airlines are the most popular carriers operating from San José Juan Santamaria Intl to Buenos Aires
What airlines fly to Buenos Aires?
Avianca, Copa Airlines and LATAM Airlines are the top three most popular airlines that fly to Buenos Aires from San José, San José Province according to our data. Avianca is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 4 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.
When to book flights from San José, San José Province to Buenos Aires
Cheap San José, San José Province to Buenos Aires (SJO to BUE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San José, San José Province to Buenos Aires
Best Price Found | $218 |
|---|---|
Fastest flight time | 8h 56m |
Direct flights | Mon, Wed, Fri, Sat and Sun |
Airports in Buenos Aires | 2 airports |
How far is San José Juan Santamaria Intl to Buenos Aires by plane?
The straight-line distance from San José Juan Santamaria Intl to Buenos Aires is 3505.7 mi. Flights usually cover this in 8h 56m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Buenos Aires?
Prices for flights from San José Juan Santamaria Intl Airport to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to Buenos Aires?
As of June 2025, there are 4 operators available to choose from for flights from San José Juan Santamaria Intl Airport to Buenos Aires.
How old do you have to be to fly from San José Juan Santamaria 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 San José Juan Santamaria Intl Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires 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 Buenos Aires. 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 San José, San José Province to Buenos Aires?
Based on momondo bookings for flights between San José, San José Province and Buenos Aires, the leading plane model is Airbus A320neo, making up 100.00% of the total bookings.
What is the most popular airline from San José, San José Province to Buenos Aires?
momondo data reveals that the most frequently booked airline on the route from San José, San José Province to Buenos Aires is Avianca, representing 57% of all bookings. The subsequent popular airlines are LATAM Airlines at 21%, Copa Airlines at 18%, and GOL at 5%.
Best airlines flying from San José, San José Province to Buenos Aires
Compare and see reviews for airlines that fly from San José, San José Province to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $351 | Free Cancellation | Rating 6.7 2,345 reviews | |||
| PriceFrom $399 | Free Cancellation | Rating 7.3 1,073 reviews | |||
| PriceFrom $477 | Free Cancellation | Rating 7.5 1,451 reviews | |||
| PriceFrom $518 | Free Cancellation | Rating 7.5 1,785 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San José 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 José to Buenos Aires for you.
Can I find flights from San José to Buenos Aires with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Buenos Aires from San José with this policy.
How can momondo help me find flights from San José 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 José.
I’m not ready to book a flight from San José to Buenos Aires right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San José to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.