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$328+ Cheap flights from Massachusetts to Buenos Aires (BUE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BUE
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Massachusetts to Buenos Aires

Cheapest flights from Massachusetts to Buenos Aires
Explore the most affordable flight options available from Massachusetts to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:15 amBOS - EZE
2 stops45h 40mMultiple Airlines
Thu 2/1211:00 amEZE - BOS
1 stop14h 59mMultiple Airlines
Deal found 12/16$866
This LATAM Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:57 pmBOS - EZE
2 stops19h 48mLATAM Airlines
Sat 1/108:55 pmEZE - BOS
1 stop15h 07mLATAM Airlines
Deal found 12/17$1,013
This FlightHub deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:00 pmBOS - EZE
1 stop15h 15mLATAM Airlines
Thu 2/127:43 pmEZE - BOS
2 stops17h 29mLATAM Airlines
Deal found 12/16$1,042
This FlightHub deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:15 amBOS - AEP
2 stops25h 15mLATAM Airlines
Thu 2/125:15 pmAEP - BOS
2 stops19h 57mLATAM Airlines
Deal found 12/16$1,107
This Ovago deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:50 pmBOS - EZE
1 stop35h 25mLATAM Airlines
Wed 12/2412:15 pmEZE - BOS
2 stops27h 37mLATAM Airlines
Deal found 12/16$1,116
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:25 pmBOS - EZE
3 stops35h 45mAvianca
Thu 2/126:15 amEZE - BOS
3 stops33h 35mAvianca
Deal found 12/16$1,139
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:20 amBOS - EZE
2 stops26h 00mUnited Airlines
Tue 12/3011:55 pmEZE - BOS
2 stops25h 59mUnited Airlines
Deal found 12/17$1,170
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:15 amBOS - EZE
1 stop15h 20mMultiple Airlines
Tue 12/306:40 amEZE - BOS
2 stops40h 28mMultiple Airlines
Deal found 12/17$1,187
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:15 amBOS - EZE
1 stop15h 20mMultiple Airlines
Tue 12/303:41 amEZE - BOS
2 stops33h 09mMultiple Airlines
Deal found 12/17$1,222
This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:15 amBOS - AEP
2 stops40h 25mMultiple Airlines
Wed 12/2410:55 pmAEP - BOS
1 stop33h 40mMultiple Airlines
Deal found 12/16$1,435
This KAYAK deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:15 amBOS - AEP
2 stops24h 25mLATAM Airlines
Wed 12/3110:35 amAEP - BOS
1 stop22h 00mLATAM Airlines
Deal found 12/17$1,456
This Travelocity deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:55 amBOS - AEP
1 stop22h 45mLATAM Airlines
Fri 1/99:05 pmAEP - BOS
3 stops28h 53mLATAM Airlines
Deal found 12/17$1,544

Find flight deals from Massachusetts to Buenos Aires

Keep the following information in mind while searching for Massachusetts to Buenos Aires flight deals. Data was last updated December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$863
(Mytrip)

One-way from

$328
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$1,211
Provider with most accurate pricing for Boston Logan Intl-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Buenos Aires (BUE) flights.
Search Deals
From Massachusetts to Buenos Aires (BUE)
Search Deals
One-way flight from Massachusetts to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Massachusetts to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Massachusetts to Buenos Aires that are best for you.

Fly from

Massachusetts

Fly to

Buenos Aires

Route

Depart

Return

Price

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sat 5/9

9:00 am-10:30 am

2 stops24h 30m

Buenos Aires Jorge Newbery

Wed 5/13

10:35 am-7:15 am

2 stops21h 40m

$866

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Thu 2/5

5:34 am-8:40 pm

3 stops37h 06m

Buenos Aires Jorge Newbery

Thu 2/12

9:50 am-4:45 pm

3 stops32h 55m

$878

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Sun 5/17

9:55 am-9:40 am

1 stop22h 45m

Buenos Aires Jorge Newbery

Sat 5/23

8:05 pm-12:41 pm

2 stops17h 36m

$886

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 1/5

11:55 am-7:30 am

2 stops17h 35m

Buenos Aires Jorge Newbery

Mon 1/26

9:50 am-4:19 pm

3 stops32h 29m

$886

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Tue 5/5

9:00 am-3:40 pm

2 stops29h 40m

Buenos Aires Jorge Newbery

Tue 5/12

10:35 am-7:35 am

1 stop22h 00m

$888

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 4/3

5:15 pm-2:40 pm

2 stops20h 25m

Buenos Aires Jorge Newbery

Thu 4/9

6:20 pm-7:35 am

1 stop14h 15m

$916

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Fri 3/6

6:40 pm-3:10 pm

2 stops18h 30m

Buenos Aires Ministro Pistarini

Fri 3/20

4:45 pm-9:32 am

2 stops17h 47m

$923

BostonBuenos Aires

BOS - EZE

BOSEZE

Boston Logan Intl

Mon 3/16

6:40 pm-3:10 pm

2 stops43h 30m

Buenos Aires Ministro Pistarini

Mon 3/30

4:30 pm-2:52 pm

2 stops23h 22m

$934

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Fri 1/30

5:23 pm-3:40 am

3 stops32h 17m

Buenos Aires Jorge Newbery

Fri 2/6

6:20 am-6:35 am

2 stops26h 15m

$936

BostonBuenos Aires

BOS - AEP

BOSAEP

Boston Logan Intl

Mon 2/16

5:50 pm-7:30 am

2 stops35h 40m

Buenos Aires Jorge Newbery

Thu 2/26

9:30 pm-11:59 pm

3 stops28h 29m

$937

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 50 results
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Best time to book a flight from Massachusetts to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Massachusetts with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Buenos Aires

What is the cheapest month to book a flight from Massachusetts to Buenos Aires?

Currently, December is the cheapest month in which you can book a flight from Massachusetts to Buenos Aires (average of $515). Flying from Massachusetts to Buenos Aires in March is currently the most expensive (average of $968). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MA to BUE?

Find hourly flight availability from Massachusetts to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Massachusetts to Buenos Aires in the afternoon. If you’re flexible enough to do this you can expect to save up to 79% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Massachusetts to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from Massachusetts to Buenos Aires. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Massachusetts to Buenos Aires flight should consider departing on Saturday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Massachusetts to Buenos Aires?

    A quick flight from Massachusetts to Buenos Aires can take about 18h 30m. LATAM Airlines provides one of the quickest options available for as low as $923. Massachusetts and Buenos Aires are separated by a distance of 5387 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Massachusetts to Buenos Aires one-way?

    $335 is the cheapest one-way deal found within the past few days, from Arajet. You may also be able to find cheap deals on Avianca and American Airlines, with prices starting from $349 and $440, respectively.

  • What are the most popular routes from Massachusetts to Buenos Aires?

    Most travelers choose Boston Logan Intl - Buenos Aires Ministro Pistarini, Boston Logan Intl - Buenos Aires Jorge Newbery or Hartford Bradley Intl - Buenos Aires Ministro Pistarini when deciding on the best route from Massachusetts to Buenos Aires.

  • Can I find deals for flights from Massachusetts to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Buenos Aires.

  • Can I find deals for business class flights from Massachusetts to Buenos Aires?

    Yes. Cheapflights offers flight deals from Massachusetts to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Massachusetts to Buenos Aires?

    Currently, December is the cheapest month in which you can book a flight from Massachusetts to Buenos Aires (average of $515). Flying from Massachusetts to Buenos Aires in March is currently the most expensive (average of $968). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Massachusetts to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Massachusetts to Buenos Aires

Discover the top 6 airlines that operate flights from Massachusetts to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$571Average$1,153FlexibilityNo cancel feeOn-time81%
AviancaCheapest$700Average$786FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$796Average$1,288FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$861Average$1,325FlexibilityNo cancel feeOn-time69%
DeltaCheapest$908Average$1,268FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,011Average$1,287FlexibilityNo cancel feeOn-time71%

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