$310+ Cheap flights from Boston (BOS) 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BUE
Jul 20 — Jul 271
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Buenos Aires with Cheapflights
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Cheapest flights from Boston to Buenos AiresExplore the most affordable flight options available from Boston to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
Explore the most affordable flight options available from Boston to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 20, 2026.
This Trip.com deal was found by Cheapflights users on 6/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:15 pm
BOS
- EZE
1 stop14h 08m
Multiple Airlines
Wed 10/74:50 pm
EZE
- BOS
1 stop15h 20m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$759
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:25 pm
BOS
- EZE
1 stop16h 25m
American Airlines
Sat 10/108:25 pm
EZE
- BOS
2 stops18h 09m
American Airlines
Deal found 6/18![American Airlines logo]()
$790
This Gotogate deal was found by Cheapflights users on 6/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:20 pm
BOS
- EZE
1 stop28h 03m
Arajet
Sat 11/212:45 am
EZE
- BOS
1 stop19h 05m
Arajet
Deal found 6/15![Arajet logo]()
$803
This Arajet deal was found by Cheapflights users on 6/17. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:20 pm
BOS
- EZE
1 stop28h 03m
Arajet
Tue 11/176:35 am
EZE
- BOS
1 stop29h 10m
Arajet
Deal found 6/17![Arajet logo]()
$805
This Travelocity deal was found by Cheapflights users on 6/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:15 pm
BOS
- EZE
1 stop14h 08m
Multiple Airlines
Fri 10/304:55 pm
EZE
- BOS
1 stop15h 40m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$808
This Justfly.com deal was found by Cheapflights users on 6/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:00 pm
BOS
- EZE
1 stop17h 40m
LATAM Airlines
Sun 10/181:10 pm
EZE
- BOS
2 stops23h 20m
LATAM Airlines
Deal found 6/19![LATAM Airlines logo]()
$811
This Justfly.com deal was found by Cheapflights users on 6/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/243:50 pm
BOS
- EZE
1 stop15h 50m
LATAM Airlines
Sun 11/291:10 pm
EZE
- BOS
1 stop23h 12m
LATAM Airlines
Deal found 6/19![LATAM Airlines logo]()
$812
This Expedia deal was found by Cheapflights users on 6/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:15 pm
BOS
- EZE
1 stop14h 08m
Multiple Airlines
Tue 10/274:55 pm
EZE
- BOS
2 stops22h 55m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$823
This FlightHub deal was found by Cheapflights users on 6/19. 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.
Wed 10/213:00 pm
BOS
- EZE
1 stop17h 40m
LATAM Airlines
Sat 10/317:45 am
EZE
- BOS
2 stops18h 13m
LATAM Airlines
Deal found 6/19![LATAM Airlines logo]()
$824
This FlightHub deal was found by Cheapflights users on 6/19. 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.
Thu 11/193:50 pm
BOS
- EZE
1 stop15h 50m
LATAM Airlines
Mon 11/301:10 pm
EZE
- BOS
1 stop23h 12m
LATAM Airlines
Deal found 6/19![LATAM Airlines logo]()
$830
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:15 pm
BOS
- EZE
1 stop14h 08m
Arajet
Sat 10/1711:00 am
EZE
- BOS
1 stop34h 50m
Arajet
Deal found 6/17![Arajet logo]()
$835
This oojo deal was found by Cheapflights users on 6/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:45 pm
BOS
- AEP
2 stops41h 15m
LATAM Airlines
Sun 11/2210:35 am
AEP
- BOS
1 stop22h 00m
LATAM Airlines
Deal found 6/15![LATAM Airlines logo]()
$858
Best flights from Boston to Buenos AiresDiscover carefully curated flight deals from Boston to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
Discover carefully curated flight deals from Boston to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 20, 2026.
This Copa Airlines deal was found by Cheapflights users on 6/19. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:41 am
BOS
- EZE
1 stop15h 30m
Copa Airlines
Tue 11/175:16 am
EZE
- BOS
1 stop18h 45m
Copa Airlines
Deal found 6/19![Copa Airlines logo]()
$847
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:00 pm
BOS
- EZE
1 stop17h 40m
Delta
Sun 10/181:10 pm
EZE
- BOS
1 stop26h 31m
Delta
Deal found 6/19![Delta logo]()
$867
This Justfly.com deal was found by Cheapflights users on 6/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:55 am
BOS
- AEP
1 stop22h 30m
LATAM Airlines
Wed 10/78:05 pm
AEP
- BOS
2 stops19h 36m
LATAM Airlines
Deal found 6/19![LATAM Airlines logo]()
$879
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 10/26:00 am
BOS
- EZE
3 stops49h 00m
United Airlines
Wed 10/79:00 pm
EZE
- BOS
2 stops27h 59m
United Airlines
Deal found 6/19![United Airlines logo]()
$985
This Copa Airlines deal was found by Cheapflights users on 6/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:50 pm
BOS
- EZE
1 stop32h 21m
Copa Airlines
Thu 11/198:56 am
EZE
- BOS
1 stop15h 05m
Copa Airlines
Deal found 6/18![Copa Airlines logo]()
$883
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:55 am
BOS
- AEP
1 stop25h 05m
Delta
Sun 10/118:05 pm
AEP
- BOS
2 stops20h 17m
Delta
Deal found 6/18![Delta logo]()
$890
This Cheapflightsfares deal was found by Cheapflights users on 6/19. 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.
Fri 10/29:20 am
BOS
- EZE
2 stops25h 10m
LATAM Airlines
Wed 10/77:35 am
EZE
- BOS
2 stops18h 23m
LATAM Airlines
Deal found 6/19![LATAM Airlines logo]()
$897
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:55 am
BOS
- AEP
1 stop22h 35m
Delta
Sat 9/268:05 pm
AEP
- BOS
2 stops19h 47m
Delta
Deal found 6/19![Delta logo]()
$890
This Copa Airlines deal was found by Cheapflights users on 6/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:55 pm
BOS
- EZE
1 stop28h 38m
Copa Airlines
Sun 11/155:16 am
EZE
- BOS
1 stop18h 45m
Copa Airlines
Deal found 6/18![Copa Airlines logo]()
$906
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:55 am
BOS
- EZE
1 stop14h 05m
Delta
Fri 10/97:35 am
EZE
- BOS
2 stops18h 23m
Delta
Deal found 6/18![Delta logo]()
$890
This oojo deal was found by Cheapflights users on 6/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:00 pm
BOS
- AEP
2 stops29h 30m
LATAM Airlines
Sat 10/179:45 pm
AEP
- BOS
2 stops26h 38m
LATAM Airlines
Deal found 6/16![LATAM Airlines logo]()
$1,020
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:20 am
BOS
- AEP
2 stops21h 20m
Delta
Sun 10/118:05 pm
AEP
- BOS
2 stops19h 36m
Delta
Deal found 6/18![Delta logo]()
$895
This Copa Airlines deal was found by Cheapflights users on 6/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:47 am
BOS
- EZE
1 stop18h 34m
Copa Airlines
Sat 10/172:49 pm
EZE
- BOS
1 stop24h 50m
Copa Airlines
Deal found 6/16![Copa Airlines logo]()
$1,006
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:20 pm
BOS
- AEP
2 stops17h 40m
Delta
Sun 10/118:05 pm
AEP
- BOS
2 stops19h 36m
Delta
Deal found 6/18![Delta logo]()
$895
This Copa Airlines deal was found by Cheapflights users on 6/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:41 am
BOS
- EZE
1 stop15h 06m
Copa Airlines
Tue 11/33:40 am
EZE
- BOS
1 stop20h 21m
Copa Airlines
Deal found 6/15![Copa Airlines logo]()
$1,006
This Copa Airlines deal was found by Cheapflights users on 6/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:55 pm
BOS
- EZE
1 stop29h 31m
Copa Airlines
Sat 10/312:40 pm
EZE
- BOS
1 stop24h 47m
Copa Airlines
Deal found 6/15![Copa Airlines logo]()
$1,006
This Copa Airlines deal was found by Cheapflights users on 6/15. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:47 am
BOS
- EZE
1 stop22h 10m
Copa Airlines
Sun 11/158:56 am
EZE
- BOS
1 stop15h 05m
Copa Airlines
Deal found 6/15![Copa Airlines logo]()
$1,006
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:20 pm
BOS
- AEP
2 stops17h 40m
Delta
Fri 8/288:05 pm
AEP
- BOS
2 stops20h 17m
Delta
Deal found 6/15![Delta logo]()
$1,084
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:05 pm
BOS
- AEP
2 stops21h 55m
Delta
Fri 8/218:05 pm
AEP
- BOS
2 stops21h 08m
Delta
Deal found 6/19![Delta logo]()
$1,084
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:14 pm
BOS
- AEP
2 stops17h 26m
Delta
Fri 8/288:05 pm
AEP
- BOS
2 stops20h 17m
Delta
Deal found 6/15![Delta logo]()
$1,084
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:20 pm
BOS
- AEP
2 stops17h 40m
Delta
Thu 8/278:05 pm
AEP
- BOS
2 stops21h 45m
Delta
Deal found 6/15![Delta logo]()
$1,084
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:14 pm
BOS
- AEP
2 stops17h 26m
Delta
Thu 8/278:05 pm
AEP
- BOS
2 stops20h 17m
Delta
Deal found 6/15![Delta logo]()
$1,084
Last-minute flights from Boston to Buenos AiresDiscover last-minute flight deals from Boston to Buenos Aires. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Buenos Aires. Data last updated June 20, 2026 and is based on user searches.
This LATAM Airlines deal was found by Cheapflights users on 6/18. 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.
Mon 6/221:35 pm
BOS
- EZE
2 stops20h 55m
LATAM Airlines
Tue 6/233:55 am
EZE
- BOS
2 stops22h 36m
LATAM Airlines
Deal found 6/18![LATAM Airlines logo]()
$958
This LATAM Airlines deal was found by Cheapflights users on 6/18. 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.
Mon 6/221:35 pm
BOS
- AEP
2 stops24h 15m
LATAM Airlines
Wed 6/248:05 pm
AEP
- BOS
2 stops17h 39m
LATAM Airlines
Deal found 6/18![LATAM Airlines logo]()
$1,083
This LATAM Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 6/275:30 am
BOS
- EZE
2 stops23h 40m
LATAM Airlines
Tue 6/308:30 pm
EZE
- BOS
2 stops20h 39m
LATAM Airlines
Deal found 6/20![LATAM Airlines logo]()
$1,053
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Tue 6/309:10 am
BOS
- EZE
2 stops33h 05m
Multiple Airlines
Sat 8/152:49 pm
EZE
- BOS
1 stop24h 45m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,047
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Tue 6/309:10 am
BOS
- EZE
2 stops33h 05m
Multiple Airlines
Sun 8/1612:10 am
EZE
- BOS
1 stop15h 24m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,072
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/112:01 pm
BOS
- EZE
2 stops30h 14m
Multiple Airlines
Sun 8/1612:10 am
EZE
- BOS
1 stop15h 24m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,078
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/312:15 pm
BOS
- EZE
1 stop14h 08m
Multiple Airlines
Fri 8/2111:25 pm
EZE
- BOS
2 stops44h 32m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,012
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/312:15 pm
BOS
- EZE
1 stop14h 08m
Multiple Airlines
Mon 8/178:00 am
EZE
- BOS
2 stops28h 47m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,031
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/312:15 pm
BOS
- EZE
1 stop14h 08m
Multiple Airlines
Sat 8/155:25 am
EZE
- BOS
1 stop34h 09m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,038
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/312:15 pm
BOS
- EZE
1 stop14h 08m
Multiple Airlines
Sun 8/168:00 am
EZE
- BOS
2 stops24h 46m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,059
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/1012:15 pm
BOS
- EZE
1 stop14h 08m
Arajet
Tue 7/216:00 am
EZE
- BOS
1 stop29h 45m
Arajet
Deal found 6/19![Arajet logo]()
$1,060
This Expedia deal was found by Cheapflights users on 6/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:00 am
BOS
- AEP
2 stops18h 40m
Multiple Airlines
Wed 7/297:00 am
AEP
- BOS
1 stop25h 10m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,025
One-way flights from Boston to Buenos AiresSearch for one-way flight options from Boston to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
Search for one-way flight options from Boston to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This eDestinos deal was found by Cheapflights users on 6/18. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:15 pm
BOS
- EZE
1 stop14h 08m
Arajet
Deal found 6/18![Arajet logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 10/1612:15 pm
BOS
- EZE
1 stop14h 08m
Arajet
Deal found 6/18![Arajet logo]()
$313
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:20 pm
BOS
- EZE
1 stop28h 03m
Arajet
Deal found 6/18![Arajet logo]()
$325
This Trip.com deal was found by Cheapflights users on 6/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:20 pm
BOS
- EZE
1 stop28h 03m
Arajet
Deal found 6/16![Arajet logo]()
$326
This Trip.com deal was found by Cheapflights users on 6/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:20 pm
BOS
- EZE
1 stop28h 03m
Arajet
Deal found 6/19![Arajet logo]()
$339
This Arajet deal was found by Cheapflights users on 6/16. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:20 pm
BOS
- EZE
1 stop28h 03m
Arajet
Deal found 6/16![Arajet logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 11/611:15 am
BOS
- EZE
1 stop14h 08m
Arajet
Deal found 6/18![Arajet logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sat 10/311:05 am
BOS
- AEP
3 stops39h 35m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/1712:15 pm
BOS
- EZE
1 stop14h 08m
Arajet
Deal found 6/18![Arajet logo]()
$405
This Mytrip deal was found by Cheapflights users on 6/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:15 am
BOS
- EZE
1 stop20h 45m
Arajet
Deal found 6/19![Arajet logo]()
$411
This Booking.com deal was found by Cheapflights users on 6/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:15 pm
BOS
- EZE
1 stop17h 30m
Arajet
Deal found 6/18![Arajet logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sat 10/3111:05 am
BOS
- EZE
3 stops35h 31m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$422
Find flight deals from Boston to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $759 (Trip.com) |
One-way from | $310 (eDestinos) |
Popular in | July |
Cheapest in | September |
Average price | $1,216 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 June 20, 2026.
Use the filters below to find and compare flights from Boston to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonBuenos Aires
BOS - EZE
BOSEZE
Boston Logan Intl
Tue 11/3
7:41 am-1:11 am
1 stop15h 30m
Buenos Aires Ministro Pistarini
Tue 11/17
5:16 am-10:01 pm
1 stop18h 45m
$847
BostonBuenos Aires
BOS - EZE
BOSEZE
Boston Logan Intl
Fri 10/9
3:00 pm-9:40 am
1 stop17h 40m
Buenos Aires Ministro Pistarini
Sun 10/18
1:10 pm-2:41 pm
1 stop26h 31m
$867
BostonBuenos Aires
BOS - AEP
BOSAEP
Boston Logan Intl
Fri 10/2
9:55 am-9:25 am
1 stop22h 30m
Buenos Aires Jorge Newbery
Wed 10/7
8:05 pm-2:41 pm
2 stops19h 36m
$879
BostonBuenos Aires
BOS - EZE
BOSEZE
Boston Logan Intl
Sun 11/1
2:50 pm-1:11 am
1 stop32h 21m
Buenos Aires Ministro Pistarini
Thu 11/19
8:56 am-10:01 pm
1 stop15h 05m
$883
BostonBuenos Aires
BOS - AEP
BOSAEP
Boston Logan Intl
Fri 9/25
9:55 am-12:00 pm
1 stop25h 05m
Buenos Aires Jorge Newbery
Sun 10/11
8:05 pm-3:22 pm
2 stops20h 17m
$890
BostonBuenos Aires
BOS - AEP
BOSAEP
Boston Logan Intl
Thu 9/17
9:55 am-9:30 am
1 stop22h 35m
Buenos Aires Jorge Newbery
Sat 9/26
8:05 pm-2:52 pm
2 stops19h 47m
$890
Quickest round-trip
BostonBuenos Aires
BOS - EZE
BOSEZE
Boston Logan Intl
Thu 9/24
9:55 am-1:00 am
1 stop14h 05m
Buenos Aires Ministro Pistarini
Fri 10/9
7:35 am-12:58 am
2 stops18h 23m
$890
BostonBuenos Aires
BOS - AEP
BOSAEP
Boston Logan Intl
Wed 9/23
9:20 am-7:40 am
2 stops21h 20m
Buenos Aires Jorge Newbery
Sun 10/11
8:05 pm-2:41 pm
2 stops19h 36m
$895
BostonBuenos Aires
BOS - AEP
BOSAEP
Boston Logan Intl
Tue 9/22
9:20 pm-4:00 pm
2 stops17h 40m
Buenos Aires Jorge Newbery
Sun 10/11
8:05 pm-2:41 pm
2 stops19h 36m
$895
BostonBuenos Aires
BOS - EZE
BOSEZE
Boston Logan Intl
Fri 10/2
9:20 am-11:30 am
2 stops25h 10m
Buenos Aires Ministro Pistarini
Wed 10/7
7:35 am-12:58 am
2 stops18h 23m
$897
Showing 1-10 of 36 resultsSorted by cheapest first
Compare providers for flights from Boston to Buenos Aires
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Buenos Aires in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Buenos Aires flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Boston with our price prediction graph.
BOS-BUE
BOS-EZE
BOS-AEP
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 Boston to Buenos Aires
BOS-BUE
BOS-EZE
BOS-AEP
What is the cheapest month to book a flight from Boston to Buenos Aires?
Currently, June is the cheapest month in which you can book a flight from Boston to Buenos Aires (average of $279). Flying from Boston to Buenos Aires in July is currently the most expensive (average of $916). 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.
How much does it cost to fly round-trip from Boston to Buenos Aires?
How far ahead should I book a flight from Boston to Buenos Aires?
Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Buenos Aires. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Buenos Aires
Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated June 20, 2026.
See what other customers who have flown with Delta,Copa Airlines, andLATAM Airlines from Boston to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Boston to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Buenos Aires flight routes
Complete your trip
Flights by cabin class
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Popular flights
Alternative routes for Boston to Buenos Aires
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Buenos Aires
Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 20, 2026.
Complete your trip
Complete your trip to Buenos Aires by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Buenos Aires by cabin class
Find flights from Boston to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Buenos Aires flights
Browse other Boston and Buenos Aires flight options. Last updated on June 20, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on June 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Boston to Buenos Aires
Discover the top 5 airlines that operate flights from Boston 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$486 | Average$1,147 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$517 | Average$1,109 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$811 | Average$1,375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$861 | Average$1,325 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,055 | Average$1,303 | FlexibilityNo cancel fee | On-time71% |