$187 Cheap Flights to Buenos Aires

View $187 flight on Tue, Feb 24, 2026Opens in a new window

Popular airlines to Buenos Aires

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How much is the cheapest flight to Buenos Aires?

Prices were available within the past 7 days and start at $187 for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

World Ticket Ltd
Thu, Feb 26 - Thu, Mar 5
SJO
San José
GLF
Golfito
$349 Roundtrip, found 17 hours ago
$349
Roundtrip
found 17 hours ago
Select World Ticket Ltd flight, departing Thu, Feb 26 from San José to Golfito, returning Thu, Mar 5, priced at $349 found 17 hours ago
World Ticket Ltd
Tue, Feb 24 - Wed, Feb 25
SJO
San José
GLF
Golfito
$349 Roundtrip, just found
$349
Roundtrip
just found
Select World Ticket Ltd flight, departing Tue, Feb 24 from San José to Golfito, returning Wed, Feb 25, priced at $349 just found
SANSA
Sun, Mar 8 - Sun, Mar 29
SJO
San José
GLF
Golfito
$373 Roundtrip, just found
$373
Roundtrip
just found
Select SANSA flight, departing Sun, Mar 8 from San José to Golfito, returning Sun, Mar 29, priced at $373 just found
SANSA
Tue, Feb 24 - Wed, Feb 25
SJO
San José
GLF
Golfito
$374 Roundtrip, just found
$374
Roundtrip
just found
Select SANSA flight, departing Tue, Feb 24 from San José to Golfito, returning Wed, Feb 25, priced at $374 just found
SANSA
Tue, Feb 24 - Wed, Feb 25
SJO
San José
GLF
Golfito
$376 Roundtrip, just found
$376
Roundtrip
just found
Select SANSA flight, departing Tue, Feb 24 from San José to Golfito, returning Wed, Feb 25, priced at $376 just found

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Tips to find the cheapest flights to Buenos Aires

The cheapest day to fly

Get started finding a cheap flight to Buenos Aires on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

February is the cheapest month to fly to Buenos Aires. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Buenos Aires. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Buenos Aires, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Buenos Aires

The lowest price for round-trip flights to Buenos Aires in 2026 starts from from $349, while one-way tickets start from from $187. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Buenos Aires. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Buenos Aires

SANSA, World Ticket Ltd are just some of the airlines that can typically offer cheap tickets to Buenos Aires. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Buenos Aires and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Buenos Aires, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Buenos Aires. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Buenos Aires plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Buenos Aires

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Buenos Aires.

Stopover savings

The cheapest tickets to Buenos Aires are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Buenos Aires. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Buenos Aires for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Buenos Aires. Simply download the free Expedia app to your smart device and activate Buenos Aires flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Buenos Aires. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

What month is the cheapest to fly to Buenos Aires?
The cheapest month to fly to Buenos Aires is September, with average fares around $434. This month often sees lower travel demand, resulting in better prices. Additionally, October and November are also good months for budget-friendly flights.*Prices based on flights available on Expedia in the last year.
Which US cities have the cheapest flights to Buenos Aires?
You can find some of the cheapest flights to Buenos Aires from these US cities:

  • Washington (DCA, IAD)
  • White Plains (HPN)
  • Wilkes-Barre (AVP)
  • Rochester (ROC, RST)
  • Charlottesville (CHO)

with fares typically starting around $97.
Which US cities fly direct to Buenos Aires?
The following US cities offer direct flights to Buenos Aires (SJO):

  • Newark (EWR)
  • Los Angeles (LAX)
  • Miami (MIA)
  • Fort Lauderdale (FLL)
  • Orlando (MCO)

How to find a cheap flight to Buenos Aires?
To find a cheap flight to Buenos Aires, be flexible with your dates. Traveling in the off-season or shoulder season can help you save. Mid-week flights are usually less expensive, too. Use flight search engines, like Expedia, to compare airlines, flight times and routes all in one place to find affordable rates. You may find that flights with layovers are cheaper than direct flights. You can also set up Price Tracking and receive alerts when fares go up or down.
Which airlines fly to Buenos Aires?
Multiple carriers fly to Buenos Aires:

  • Air Canada
  • American Airlines
  • Avianca
  • Copa
  • JetBlue Airways
  • Spirit Airlines
  • United
  • United Airlines
  • Volaris

Where do you fly into Buenos Aires?
If you're heading to Buenos Aires, you have several airport options:

  • The closest major airport is San José (SJO-Juan Santamaría Intl.), about 92 miles from the city center, which is a hub for Avianca, Copa, and United, with other airlines like American Airlines, Aeromexico also operating here.
  • Quepos (XQP) is another option, about 67 miles away, serving as a hub for RZ.
  • Limón Intl. Airport (LIO), about 62 miles away, serving as a hub for RZ.
  • Puerto Jiménez (PJM), about 38 miles away, serving as a hub for RZ and GW.
  • Drake Bay (DRK), about 38 miles away, serving as a hub for RZ.

What is the cheapest airport to fly to in Buenos Aires?
The most affordable airport to fly into in Buenos Aires is typically Limón International Airport (LIO), which is about 62 miles from the city center. You can typically find one-way flights to Limón for around $208.*Prices based on flights available on Expedia in the last year.
Which budget airlines fly to Buenos Aires?
Looking for affordable flights to Buenos Aires (SJO)? There are 10 budget carriers to choose from:

  • JetBlue Airways
  • Spirit Airlines
  • Southwest Airlines
  • Frontier Airlines
  • Volaris
  • Arajet
  • Viva Aerobus
  • GOL Linhas Aereas Inteligentes
  • GOL Linhas Aereas S.A.
  • WestJet

What is the best month to visit Buenos Aires?
The best times to visit Buenos Aires are in spring (September to November) and fall (March to May). These seasons offer mild weather, making it perfect for sightseeing, along with fewer crowds and lower hotel rates. You'll also find vibrant cultural events during these months, enhancing your experience in this lively city.
How far in advance should I book a flight to Buenos Aires?
For domestic travel to Buenos Aires, booking around 1 month in advance usually gets you the best deals. For international flights to Buenos Aires, aim to book around 1 month ahead to snag the best fares. For added peace of mind, use Expedia's Price Drop Protection™ when you make your booking. It's free to use for Gold and Platinum members on the Expedia app. Once a qualifying flight is purchased, we'll automatically check your flight on Expedia until the day of your departure and notify you if there are price changes. If your flight price drops after you book, we'll automatically award the price difference in OneKeyCash™* into your One Key account after your trip ends.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What day of the week is cheapest day to buy a plane ticket to Buenos Aires?
Tuesday is typically the cheapest day to buy a plane ticket to Buenos Aires, with an average fare of about $509. This day generally has less competition compared to Sunday, which is often the priciest. If Tuesday doesn't work for you, consider booking on Wednesday. Use Expedia's Price Tracking tool to monitor prices for your trip and receive alerts when fares go up or down.*Cheapest day to book based on flights available on Expedia in the last year.
What is the most expensive month to fly to Buenos Aires?
December is the most expensive month to fly to Buenos Aires, with average return ticket prices around $661. This is about 26% higher than the average throughout the year, as many travelers visit during the holiday season. To save on your trip, consider flying in October or November when prices are generally more affordable.*Prices based on flights available on Expedia in the last year.
What public holidays or seasonal events might make flights to Buenos Aires more expensive?
In Buenos Aires, public holidays such as Carnival (February/March) and Labor Day (May 1) can lead to higher flight prices due to increased travel activity. Additionally, Independence Day (July 9) and Immigrants' Day (September) also attract more visitors, potentially affecting availability and costs.
How far is the airport from central Buenos Aires?
Golfito (GLF) serves Buenos Aires, located 30 miles south of downtown. This makes it a convenient option if you are heading to or from the area.
How can I track flight prices to Buenos Aires?
Our Price Tracking tool allows you to monitor fares to Buenos Aires. You can view flight price history and see predictions of future prices as available. When you're signed into your Expedia account, you can set up flight price alerts too. This way, you'll receive notifications when prices go up or down, so you know when it's the right time to book.
How to get a cheap last-minute flight to Buenos Aires?
It is possible to find cheap, last-minute flights to Buenos Aires, especially if you can be flexible with your dates, times and route. Whether you're planning a spontaneous getaway or need to travel for business, there are plenty of last-minute flight deals on Expedia. You can also bundle your flight and hotel for even more savings with a package deal.
Can I earn miles booking a flight to Buenos Aires with Expedia?
You can earn miles when booking a flight to Buenos Aires on Expedia. Before confirming your booking, just select the frequent flyer program name and enter your program number. For even more rewards, join One Key™—our free travel rewards program. One Key members earn OneKeyCash™* on eligible bookings for every dollar spent.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Can I save money by booking a Buenos Aires trip package?
Book a Buenos Aires flight and hotel package deal on Expedia, and you can make significant savings. It's simple to bundle your accommodations and flights, and you can also add car rentals and activities to create your own customized Buenos Aires trip. Plus, nothing beats the convenience of booking everything in the same place.
Can I change or cancel my flight to Buenos Aires?
It's often possible to cancel or change your flight to Buenos Aires using Expedia. Many airlines let you cancel your flights for free within 24 hours of booking. However, some flights are non-refundable, and airlines may offer to reschedule your flight rather than provide a direct refund. To find affordable flights to Buenos Aires with flexible change policies, select "No cancel fee" or "Changes included" when you search. Need more information? Visit our Customer Service Portal.

*Flight schedules are subject to change.

Flights to Buenos Aires information
Destination airport
Buenos Aires
Destination airport IATA code
PMZ
*Available to One Key members.