Boston to Buenos Aires flights

Routavio compares airline fares from several flight booking sites. Search Boston to Buenos Aires to see the lowest price before you book.

Lowest fare seen
€192Seen on 28 Sep 2026
Last checked
1 Nov 2026
Observed fares. Prices may change.

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One-way fare

One-way fare · No data: click and we will search
Airlines seen
American Airlines, Arajet, Copa Airlines, Delta Air Lines, LATAM Airlines, United Airlines
Typical journey time
12h 36m

Boston → Buenos AiresFri 27 Nov 2026 · €192Last checked: 28 Sep 2026

About this route

Explore the fares we observed from Boston to Buenos Aires. Prices move often, so pick your dates to see the latest options.

Route distance
8,655 km
Typical journey time
12h 36m
Seen on fares with a connection
Copa Airlines, Arajet
Alternative airports
PSM, AEP

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed
Every price is a fare we actually saw, and it may change at any time.
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We show like-for-like journeys so the comparison is fair.
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The price is final on the provider's site, where your booking is completed.
How our prices work
Price alert
Price alert for Boston → Buenos Aires

If the observed fare for this date drops, we will email you. At most one message a day.

Airport to city: straight-line distance

  • Portsmouth International Airport at Pease (PSM) → Boston, city gazetteer reference point (42.3584, -71.0598): ≈ 82 km.
  • Aeroparque Jorge Newbery (AEP) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 7 km.
  • Ezeiza International Airport - Ministro Pistarini (EZE) → Buenos Aires, city gazetteer reference point (-34.6084, -58.3732): ≈ 28 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much was a flight from Boston to Buenos Aires?

A fare of €192 was seen on 28 Sep 2026. Fares change, so search your dates for the current price.

Are there direct flights from Boston to Buenos Aires?

Our data holds no non-stop flight from Boston to Buenos Aires. The fares on this page include at least one stop.

Which airlines fly from Boston to Buenos Aires?

Routavio has seen these carriers on the route: American Airlines, Arajet, Copa Airlines, Delta Air Lines, LATAM Airlines, United Airlines.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio

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Recently observed fares. Prices may change.

About these prices
Fares are observed at trusted providers and refreshed regularly. They can change at any time and may not include extras.
Data and updates
Last checked 1 Nov 2026. Availability and fares must be confirmed when you search.
Your booking
When you book, the price is confirmed with the provider. Booking is completed on their site; we do not process payments.