Flights from Boston to Buenos Aires
South AmericaYear-round

Cheap Flights from Boston to Buenos Aires

Track economy fares on the BOSEZE route and get alerts when prices drop.

From
Boston
BOS
To
Buenos Aires
EZE

Route Intelligence: BostonBuenos Aires

Flight Duration

12 hr 30 min (1 Stop)

Price Guidance

A good deal is under $700 roundtrip. Standard fare is $1,000–$1,400+.

Peak Season

December to February (Southern Hemisphere summer and Northern Hemisphere holidays)

Top Airlines

LATAM Airlines, American Airlines, United Airlines

Booking Tip

Book 3-6 months in advance for the best fares. Traveling in the Northern Hemisphere shoulder seasons (April-May or September-October) can yield significantly lower prices.

Track BostonBuenos Aires Fares

Set your target price and FlightKitten will scan this route twice daily. The instant economy fares drop below your budget, you'll get an email with the price, airline, and a direct booking link.

Start Tracking — Free 7-Day Trial
Premium Cabin

Flying Business Class?

If you're considering business class on this route, BusinessClassSignal.com is a dedicated tool that tracks premium cabin fares. They alert you when business & first class prices drop — worth checking out if you fly up front.

Explore BusinessClassSignal.com →

Other Routes to Buenos Aires

More Destinations in South America

Route Briefing: Boston to Buenos Aires

Buenos Aires has a way of getting under your skin, and the journey from Boston makes the whole adventure feel earned. At around 12 and a half hours with one stop, this isn't a quick hop — but for a city that genuinely rivals the great European capitals in culture, cuisine, and street-level energy, it's absolutely worth the miles. LATAM Airlines, American Airlines, and United Airlines all serve this route year-round, so you have real options when hunting for the right fare.

Speaking of fares, patience pays off here. A roundtrip under $700 is a genuine deal on this route, while standard pricing typically runs $1,000 to $1,400 or more. The sweet spot for booking is three to six months out, and if you have any flexibility with timing, traveling during Boston's shoulder seasons — April through May or September through October — can unlock noticeably lower prices. Keep in mind that those months correspond to autumn and spring in Buenos Aires, which are actually lovely times to visit: mild temperatures, fewer crowds, and the city going about its beautiful, unhurried business.

December through February is peak season, driven by the Southern Hemisphere summer and the Northern Hemisphere holiday rush. Buenos Aires is electric during this period, but expect higher fares and more competition for accommodation.

Once you land at Ezeiza International Airport, the city center is roughly 35 kilometers away. Official taxis and pre-booked remises — private car services — are the reliable, recommended options for getting into town. Agree on a price or use a reputable company before you go.

The city itself rewards slow exploration. Buenos Aires is a place of distinct neighborhoods, each with its own personality — from the colorful streets of La Boca to the elegant boulevards of Recoleta and the buzzing weekend energy of San Telmo's antique markets. Argentine beef is genuinely world-class, and a proper parrilla dinner is a non-negotiable experience. Tango isn't just a tourist show here; it's woven into the city's identity, and catching a live milonga in a neighborhood venue is something that stays with you.

The one tip worth repeating to every traveler heading here: bring US dollars in cash. Argentina's currency situation has long made the dollar a practical asset for travelers, often allowing you to stretch your budget meaningfully when exchanging through legal channels. It's the kind of insider knowledge that can transform a good trip into a great one.

How much are flights from Boston to Buenos Aires in 2026?

Flight prices from Boston (BOS) to Buenos Aires (EZE) vary significantly depending on the season, day of the week, and how far in advance you book. A good deal is under $700 roundtrip. Standard fare is $1,000–$1,400+. Popular carriers on this route include LATAM Airlines, American Airlines, United Airlines. FlightKitten eliminates the guesswork by monitoring 220+ airlines twice daily and alerting you the moment economy fares hit your target price.

How does FlightKitten track Boston to Buenos Aires fares?

FlightKitten scans over 220 airlines twice every day for economy fares on the BOS to EZE route. When you set a target price, FlightKitten continuously monitors this route and sends an email alert the moment fares drop below your budget. Each alert includes the exact fare, airline, dates, and an AI-powered briefing that explains whether the deal is genuinely good compared to historical pricing on this route. No more obsessive price checking — set your budget and let FlightKitten do the watching.

Pro tip: Book 3-6 months in advance for the best fares. Traveling in the Northern Hemisphere shoulder seasons (April-May or September-October) can yield significantly lower prices.

Looking for business class deals on this route? We recommend checking out BusinessClassSignal.com — a dedicated premium cabin fare tracker that's worth a look if you fly up front.