Cheap Flights from Boston (BOS) to Buenos Aires (BAI)

Popular airlines from Logan International Airport (BOS) to Buenos Aires (BAI)

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Buenos Aires (BAI) cost?
Snag a cheap one-way flight or cheap return flight from Logan Intl. Airport (BOS) to Buenos Aires (BAI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Buenos Aires (BAI)?
The cheapest month to fly from BOS to BAI is , when demand is low. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Buenos Aires (BAI)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from BOS to BAI. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Logan Intl. Airport (BOS) to Buenos Aires (BAI)?
There are no daily direct flights available from Logan Intl. Airport (BOS) to Buenos Aires (BAI). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from BOS to BAI?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Buenos Aires (BAI)?
Choose a flight from Logan Intl. Airport (BOS) to Buenos Aires (BAI) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Buenos Aires (BAI) last-minute?
Last-minute fares from BOS to BAI are usually more expensive. To lock in the cheapest rates, start looking for flights well in advance. That being said, if you can play around with your travel dates, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a BOS to BAI flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOS to BAI flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place takes the hassle out of travel planning. Simply pick your flights and choose from our wide range of hotels, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Buenos Aires (BAI)?
It's usually possible to cancel or reschedule your BOS to BAI flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Logan Intl.
Destination airport
Buenos Aires
Distance
2412 mi

Book with confidence

Book with confidence

Boston to Buenos Aires Flights

The cheapest times to fly from Boston to Buenos Aires

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Buenos Aires are during the month of . You can find some of the cheapest flights from Boston to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Buenos Aires

Sunday is one of the best days to book for cheap flights from Boston to Buenos Aires: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Buenos Aires

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Buenos Aires flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Buenos Aires airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

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

 

Boston to Buenos Aires Flights
*Available to One Key members.