$314+ Cheap flights from Baltimore (BWI) to Buenos Aires (BUE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Buenos Aires with Cheapflights
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Cheapest flights from Baltimore to Buenos AiresExplore the most affordable flight options available from Baltimore to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from Baltimore to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This Flightnetwork deal was found by Cheapflights users on 9/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:43 pm -
1 stop33h 33m
Tue 11/179:10 am -
1 stop31h 04m
Deal found 9/10![Copa Airlines logo]()
$669
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 12/77:22 pm -
1 stop12h 53m
Sun 12/1311:35 pm -
1 stop20h 57m
Deal found 9/9![American Airlines logo]()
$690
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/246:00 am -
1 stop23h 20m
Thu 11/2610:05 pm -
1 stop27h 33m
Deal found 9/9![United Airlines logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Sun 11/83:43 pm -
1 stop31h 28m
Tue 11/172:02 am -
1 stop14h 12m
Deal found 9/12![Copa Airlines logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/113:43 pm -
1 stop33h 27m
Thu 11/192:45 pm -
1 stop25h 29m
Deal found 9/13![Copa Airlines logo]()
$708
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 11/1311:51 am -
1 stop18h 49m
Sat 11/219:30 pm -
1 stop15h 30m
Deal found 9/11![American Airlines logo]()
$710
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Fri 11/139:39 am -
2 stops21h 01m
Fri 11/2010:25 pm -
1 stop22h 49m
Deal found 9/13![American Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 9/163:04 pm -
1 stop15h 56m
Wed 9/239:00 pm -
1 stop20h 27m
Deal found 9/9![United Airlines logo]()
$720
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/74:49 pm -
1 stop34h 47m
Tue 10/1312:10 am -
1 stop16h 05m
Deal found 9/13![Copa Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 9/9. 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.
Sun 10/47:05 am -
2 stops23h 35m
Mon 10/198:05 pm -
2 stops18h 01m
Deal found 9/9![Delta logo]()
$738
This LATAM Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 11/294:50 pm -
2 stops21h 10m
Tue 12/85:35 pm -
2 stops19h 20m
Deal found 9/11![LATAM Airlines logo]()
$758
This Kissandfly.com deal was found by Cheapflights users on 9/10. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:09 am -
2 stops42h 21m
Tue 11/176:10 am -
2 stops19h 25m
Deal found 9/10![Multiple Airlines logo]()
$821
Best flights from Baltimore to Buenos AiresDiscover carefully curated flight deals from Baltimore to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from Baltimore to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/163:04 pm -
1 stop15h 56m
Wed 9/239:00 pm -
1 stop20h 27m
Deal found 9/13![United Airlines logo]()
$742
This Delta deal was found by Cheapflights users on 9/11. 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 9/162:03 pm -
1 stop18h 42m
Wed 9/238:10 pm -
1 stop15h 44m
Deal found 9/11![Delta logo]()
$758
This oojo deal was found by Cheapflights users on 9/13. 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.
Sun 11/83:43 pm -
1 stop30h 24m
Mon 11/94:26 am -
2 stops35h 48m
Deal found 9/13![Copa Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 9/173:04 pm -
1 stop15h 56m
Mon 9/289:00 pm -
1 stop25h 14m
Deal found 9/13![United Airlines logo]()
$742
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 10/1812:00 pm -
1 stop20h 45m
Tue 11/37:20 am -
2 stops19h 11m
Deal found 9/13![Delta logo]()
$992
This Copa Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/34:49 pm -
1 stop14h 08m
Sat 10/242:49 pm -
1 stop25h 28m
Deal found 9/9![Copa Airlines logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/153:04 pm -
1 stop15h 56m
Wed 10/219:00 pm -
1 stop20h 27m
Deal found 9/12![United Airlines logo]()
$1,045
This Delta deal was found by Cheapflights users on 9/10. 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 10/227:40 pm -
1 stop13h 05m
Thu 11/57:20 am -
2 stops19h 11m
Deal found 9/10![Delta logo]()
$1,135
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 10/53:04 pm -
1 stop15h 56m
Sun 10/189:00 pm -
1 stop20h 27m
Deal found 9/13![United Airlines logo]()
$1,045
This Delta deal was found by Cheapflights users on 9/12. 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 11/59:00 am -
2 stops20h 40m
Fri 11/135:35 pm -
2 stops18h 20m
Deal found 9/12![Delta logo]()
$1,155
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/86:00 am -
1 stop25h 00m
Tue 10/139:00 pm -
1 stop20h 27m
Deal found 9/12![United Airlines logo]()
$1,128
This Delta deal was found by Cheapflights users on 9/10. 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 10/2012:00 pm -
2 stops18h 40m
Tue 11/35:35 pm -
2 stops18h 22m
Deal found 9/10![Delta logo]()
$1,206
This Delta deal was found by Cheapflights users on 9/10. 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 11/34:45 pm -
2 stops21h 15m
Sat 11/145:35 pm -
2 stops19h 20m
Deal found 9/10![Delta logo]()
$1,206
This Delta deal was found by Cheapflights users on 9/11. 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 10/1312:00 pm -
2 stops18h 40m
Sun 10/188:05 pm -
2 stops18h 01m
Deal found 9/11![Delta logo]()
$1,226
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 11/812:00 pm -
2 stops17h 40m
Tue 11/105:35 pm -
2 stops21h 19m
Deal found 9/13![Delta logo]()
$1,226
This Delta deal was found by Cheapflights users on 9/10. 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 10/712:00 pm -
2 stops18h 40m
Wed 10/218:05 pm -
2 stops18h 01m
Deal found 9/10![Delta logo]()
$1,369
This Delta deal was found by Cheapflights users on 9/9. 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 10/1312:00 pm -
2 stops18h 40m
Sat 10/173:45 pm -
2 stops18h 31m
Deal found 9/9![Delta logo]()
$1,369
This Delta deal was found by Cheapflights users on 9/10. 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 10/712:00 pm -
2 stops18h 40m
Tue 10/275:35 pm -
2 stops23h 03m
Deal found 9/10![Delta logo]()
$1,369
This Delta deal was found by Cheapflights users on 9/9. 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 10/2312:00 pm -
2 stops18h 40m
Sat 10/315:35 pm -
2 stops18h 22m
Deal found 9/9![Delta logo]()
$1,369
This Delta deal was found by Cheapflights users on 9/13. 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.
Sat 10/38:15 am -
2 stops22h 25m
Sat 10/248:05 pm -
2 stops17h 51m
Deal found 9/13![Delta logo]()
$1,552
This Delta deal was found by Cheapflights users on 9/11. 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 10/612:00 pm -
2 stops18h 40m
Fri 10/238:05 pm -
2 stops18h 01m
Deal found 9/11![Delta logo]()
$1,552
This Delta deal was found by Cheapflights users on 9/11. 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 9/3012:02 pm -
2 stops18h 38m
Tue 11/35:35 pm -
2 stops18h 22m
Deal found 9/11![Delta logo]()
$1,567
Last-minute flights from Baltimore to Buenos AiresDiscover last-minute flight deals from Baltimore to Buenos Aires. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Buenos Aires. Data last updated September 14, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/9. 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.
Sat 9/125:10 pm -
1 stop15h 35m
Sun 9/201:10 pm -
2 stops24h 48m
Deal found 9/9![LATAM Airlines logo]()
$768
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 9/163:04 pm -
1 stop15h 56m
Wed 9/239:00 pm -
1 stop20h 27m
Deal found 9/9![United Airlines logo]()
$720
This LATAM Airlines deal was found by Cheapflights users on 9/9. 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 9/1612:02 pm -
1 stop20h 43m
Tue 9/223:55 am -
2 stops30h 21m
Deal found 9/9![LATAM Airlines logo]()
$738
This Delta deal was found by Cheapflights users on 9/9. 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.
Sun 10/47:05 am -
2 stops23h 35m
Mon 10/198:05 pm -
2 stops18h 01m
Deal found 9/9![Delta logo]()
$738
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/74:49 pm -
1 stop34h 47m
Tue 10/1312:10 am -
1 stop16h 05m
Deal found 9/13![Copa Airlines logo]()
$723
This oojo deal was found by Cheapflights users on 9/11. 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.
Wed 10/74:49 pm -
1 stop34h 47m
Tue 10/202:49 pm -
1 stop25h 26m
Deal found 9/11![Copa Airlines logo]()
$754
This LATAM Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 10/1312:00 pm -
2 stops19h 30m
Tue 10/208:05 pm -
2 stops18h 01m
Deal found 9/12![LATAM Airlines logo]()
$946
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/2110:50 am -
2 stops22h 10m
Sun 11/12:40 pm -
1 stop21h 44m
Deal found 9/10![Multiple Airlines logo]()
$771
This LATAM Airlines deal was found by Cheapflights users on 9/13. 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.
Thu 10/222:11 pm -
2 stops27h 10m
Mon 11/1611:35 pm -
1 stop19h 49m
Deal found 9/13![LATAM Airlines logo]()
$758
This LATAM Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/236:32 pm -
2 stops22h 49m
Thu 11/1212:20 pm -
2 stops24h 35m
Deal found 9/11![LATAM Airlines logo]()
$762
This oojo deal was found by Cheapflights users on 9/10. 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.
Sun 10/254:49 pm -
1 stop31h 22m
Sun 11/111:07 pm -
2 stops17h 07m
Deal found 9/10![Copa Airlines logo]()
$756
This lastminute.com deal was found by Cheapflights users on 9/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:40 pm -
2 stops19h 20m
Wed 11/115:35 pm -
2 stops19h 20m
Deal found 9/13![LATAM Airlines logo]()
$965
One-way flights from Baltimore to Buenos AiresSearch for one-way flight options from Baltimore to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
Search for one-way flight options from Baltimore to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/110:22 am -
3 stops42h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 11/2711:50 am -
1 stop18h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$315
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Tue 11/244:50 pm -
2 stops21h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![LATAM Airlines logo]()
$320
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Fri 11/63:43 pm -
1 stop34h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Copa Airlines logo]()
$320
This FlightHub deal was found by Cheapflights users on 9/10. 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 12/3111:15 am -
2 stops18h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![LATAM Airlines logo]()
$323
This LATAM Airlines deal was found by Cheapflights users on 9/10. 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 12/210:24 am -
2 stops21h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![LATAM Airlines logo]()
$323
This LATAM Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 11/276:00 am -
2 stops25h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![LATAM Airlines logo]()
$329
This SmartFares deal was found by Cheapflights users on 9/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:29 pm -
1 stop13h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![LATAM Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/236:15 am -
3 stops47h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$332
This LATAM Airlines deal was found by Cheapflights users on 9/11. 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 11/232:00 pm -
2 stops24h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![LATAM Airlines logo]()
$333
This oojo deal was found by Cheapflights users on 9/12. 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.
Mon 11/23:43 pm -
1 stop31h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Copa Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 9/13. 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 12/101:35 pm -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![American Airlines logo]()
$338
Find flight deals from Baltimore to Buenos Aires
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 September 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $669 (Flightnetwork) |
One-way from | $314 (Kiwi.com) |
Popular in | January |
Cheapest in | April |
Average price | $799 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore 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 7,457,451 searches. Data last updated September 14, 2026.
Use the filters below to find and compare flights from Baltimore to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreBuenos Aires
BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini
BWIEZE
Baltimore/Washington
Fri 11/27
6:00 am-9:50 am
2 stops25h 50m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$329
BaltimoreBuenos Aires
BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini
BWIEZE
Baltimore/Washington
Mon 11/30
4:50 pm-9:40 am
1 stop14h 50m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$333
BaltimoreBuenos Aires
BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini
BWIEZE
Baltimore/Washington
Sun 11/22
8:08 am-9:40 am
1 stop23h 32m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$333
BaltimoreBuenos Aires
BWI Baltimore/Washington - AEP Buenos Aires Jorge Newbery
BWIAEP
Baltimore/Washington
Tue 10/13
7:00 am-8:30 am
2 stops24h 30m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$346
BaltimoreBuenos Aires
BWI Baltimore/Washington - AEP Buenos Aires Jorge Newbery
BWIAEP
Baltimore/Washington
Fri 11/13
10:16 am-7:30 am
3 stops43h 14m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$347
BaltimoreBuenos Aires
BWI Baltimore/Washington - AEP Buenos Aires Jorge Newbery
BWIAEP
Baltimore/Washington
Wed 10/28
4:49 pm-11:18 pm
2 stops29h 29m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$387
BaltimoreBuenos Aires
BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini
BWIEZE
Baltimore/Washington
Sat 11/7
9:52 pm-10:05 pm
2 stops46h 13m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$390
BaltimoreBuenos Aires
BWI Baltimore/Washington - AEP Buenos Aires Jorge Newbery
BWIAEP
Baltimore/Washington
Sat 12/12
7:35 pm-5:05 am
3 stops55h 30m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$415
BaltimoreBuenos Aires
BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini
BWIEZE
Baltimore/Washington
Sun 10/18
2:51 pm-10:00 am
2 stops42h 09m
Buenos Aires Ministro Pistarini
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$451
BaltimoreBuenos Aires
BWI Baltimore/Washington - AEP Buenos Aires Jorge Newbery
BWIAEP
Baltimore/Washington
Tue 10/13
10:50 am-4:20 am
3 stops40h 30m
Buenos Aires Jorge Newbery
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$458
Showing 1-10 of 42 resultsSorted by cheapest first
Compare providers for flights from Baltimore 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 Baltimore to Buenos Aires in September.
| 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 |
- Most accurate provider: When it comes to deals on Baltimore-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Buenos Aires flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baltimore-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 Baltimore-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 Baltimore to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Baltimore with our price prediction graph.
BWI-BUE
BWI-EZE
BWI-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 Baltimore to Buenos Aires
BWI-BUE
BWI-EZE
BWI-AEP
What is the cheapest month to book a flight from Baltimore to Buenos Aires?
Currently, February is the cheapest month in which you can book a flight from Baltimore to Buenos Aires (average of $645). Flying from Baltimore to Buenos Aires in December is currently the most expensive (average of $1,125). 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.
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 September 14, 2026.
Read reviews from past customers who have flown Delta,Copa Airlines, andLATAM Airlines from Baltimore to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Boarding
8.1
Overall
7.8
Entertainment
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Baltimore to Buenos Aires
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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 September 14, 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 Baltimore to Buenos Aires by cabin class
Find flights from Baltimore to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Buenos Aires flights
Browse other Baltimore and Buenos Aires flight options. Last updated on September 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Baltimore to Buenos Aires
Discover the top 5 airlines that operate flights from Baltimore 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 7,457,451 searches. Data last updated September 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$726 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$278 | Average$713 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$677 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$356 | Average$755 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$720 | Average$864 | FlexibilityNo cancel fee | On-time71% |