$281+ Cheap flights from Baltimore (BWI) 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
Apr 29 — May 61
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Buenos Aires with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Baltimore to Buenos Aires
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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 March 30, 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 March 30, 2026.
This Copa Airlines deal was found by Cheapflights users on 3/26. 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 5/174:40 pm
BWI
- EZE
1 stop14h 15m
Copa Airlines
Tue 5/262:17 am
EZE
- BWI
1 stop14h 07m
Copa Airlines
Deal found 3/26![Copa Airlines logo]()
$589
This SmartFares deal was found by Cheapflights users on 3/25. 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 5/184:40 pm
BWI
- EZE
1 stop14h 15m
Copa Airlines
Sat 5/232:49 pm
EZE
- BWI
1 stop25h 35m
Copa Airlines
Deal found 3/25![Copa Airlines logo]()
$619
This United Airlines deal was found by Cheapflights users on 3/25. 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 5/2812:55 pm
BWI
- EZE
1 stop18h 05m
United Airlines
Mon 6/19:00 pm
EZE
- BWI
1 stop20h 30m
United Airlines
Deal found 3/25![United Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Sun 5/176:00 am
BWI
- EZE
1 stop25h 00m
United Airlines
Thu 5/289:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 3/26![United Airlines logo]()
$641
This LATAM Airlines deal was found by Cheapflights users on 3/26. 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 5/176:29 pm
BWI
- EZE
1 stop14h 16m
LATAM Airlines
Tue 5/263:55 am
EZE
- BWI
2 stops21h 56m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$647
This BusinessClass deal was found by Cheapflights users on 3/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:15 pm
BWI
- EZE
2 stops26h 30m
LATAM Airlines
Tue 10/277:45 am
EZE
- BWI
2 stops17h 26m
LATAM Airlines
Deal found 3/25![LATAM Airlines logo]()
$649
This LATAM Airlines deal was found by Cheapflights users on 3/26. 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 5/176:29 pm
BWI
- EZE
1 stop14h 16m
LATAM Airlines
Thu 5/281:10 pm
EZE
- BWI
2 stops22h 34m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 3/26. 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 5/2612:55 pm
BWI
- EZE
1 stop18h 05m
United Airlines
Thu 6/49:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 3/26![United Airlines logo]()
$661
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 11/255:06 pm
BWI
- EZE
1 stop13h 34m
American Airlines
Sat 12/510:10 am
EZE
- BWI
1 stop16h 19m
American Airlines
Deal found 3/25![American Airlines logo]()
$679
This Travelocity deal was found by Cheapflights users on 3/25. 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 8/147:00 am
BWI
- EZE
2 stops25h 20m
LATAM Airlines
Sat 8/221:10 pm
EZE
- BWI
2 stops24h 56m
LATAM Airlines
Deal found 3/25![LATAM Airlines logo]()
$682
This FlightHub deal was found by Cheapflights users on 3/25. 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.
Sun 9/137:40 pm
BWI
- EZE
1 stop13h 05m
LATAM Airlines
Tue 9/228:10 pm
EZE
- BWI
1 stop14h 06m
LATAM Airlines
Deal found 3/25![LATAM Airlines logo]()
$684
This BusinessClass deal was found by Cheapflights users on 3/26. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:50 am
BWI
- AEP
2 stops20h 50m
LATAM Airlines
Thu 6/43:45 pm
AEP
- BWI
2 stops19h 59m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$706
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 March 30, 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 March 30, 2026.
This United Airlines deal was found by Cheapflights users on 3/25. 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 5/2812:55 pm
BWI
- EZE
1 stop18h 05m
United Airlines
Mon 6/19:00 pm
EZE
- BWI
1 stop20h 30m
United Airlines
Deal found 3/25![United Airlines logo]()
$637
This Copa Airlines deal was found by Cheapflights users on 3/25. 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 4/294:49 pm
BWI
- EZE
1 stop14h 06m
Copa Airlines
Tue 5/52:17 am
EZE
- BWI
1 stop14h 07m
Copa Airlines
Deal found 3/25![Copa Airlines logo]()
$709
This KAYAK deal was found by Cheapflights users on 3/27. 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.
Tue 6/165:07 pm
BWI
- AEP
2 stops20h 43m
LATAM Airlines
Tue 6/239:25 am
AEP
- BWI
2 stops34h 08m
LATAM Airlines
Deal found 3/27![LATAM Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 3/26. 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 4/115:30 pm
BWI
- EZE
1 stop15h 15m
Delta
Mon 4/201:10 pm
EZE
- BWI
2 stops22h 36m
Delta
Deal found 3/26![Delta logo]()
$725
This United Airlines deal was found by Cheapflights users on 3/26. 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 5/2612:55 pm
BWI
- EZE
1 stop18h 05m
United Airlines
Thu 6/49:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 3/26![United Airlines logo]()
$661
This KAYAK deal was found by Cheapflights users on 3/26. 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.
Sat 4/1111:44 am
BWI
- AEP
2 stops26h 06m
LATAM Airlines
Tue 4/213:45 pm
AEP
- BWI
2 stops18h 51m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$721
This KAYAK deal was found by Cheapflights users on 3/27. 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.
Tue 6/1611:54 am
BWI
- AEP
2 stops25h 56m
LATAM Airlines
Thu 6/259:25 am
AEP
- BWI
2 stops26h 22m
LATAM Airlines
Deal found 3/27![LATAM Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/146:00 am
BWI
- EZE
1 stop25h 00m
United Airlines
Thu 5/289:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 3/27![United Airlines logo]()
$721
This KAYAK deal was found by Cheapflights users on 3/27. 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 6/1711:54 am
BWI
- AEP
2 stops32h 36m
LATAM Airlines
Tue 6/239:25 am
AEP
- BWI
2 stops34h 08m
LATAM Airlines
Deal found 3/27![LATAM Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 5/303:03 pm
BWI
- EZE
1 stop15h 57m
United Airlines
Sat 6/69:00 pm
EZE
- BWI
1 stop26h 45m
United Airlines
Deal found 3/30![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 3/29. 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 8/811:12 am
BWI
- AEP
2 stops19h 28m
Delta
Mon 8/178:05 pm
AEP
- BWI
2 stops18h 01m
Delta
Deal found 3/29![Delta logo]()
$909
This KAYAK deal was found by Cheapflights users on 3/26. 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.
Thu 4/97:28 am
BWI
- AEP
2 stops23h 12m
LATAM Airlines
Fri 4/248:40 am
AEP
- BWI
2 stops34h 34m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 4/2512:40 pm
BWI
- EZE
1 stop18h 20m
United Airlines
Wed 5/209:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 3/30![United Airlines logo]()
$787
This KAYAK deal was found by Cheapflights users on 3/27. 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 6/1711:54 am
BWI
- AEP
2 stops32h 36m
LATAM Airlines
Thu 6/259:25 am
AEP
- BWI
2 stops26h 22m
LATAM Airlines
Deal found 3/27![LATAM Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 3/29. 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 8/811:12 am
BWI
- AEP
2 stops19h 28m
Delta
Sun 8/233:45 pm
AEP
- BWI
2 stops20h 25m
Delta
Deal found 3/29![Delta logo]()
$963
This KAYAK deal was found by Cheapflights users on 3/26. 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 8/266:10 pm
BWI
- AEP
2 stops19h 40m
LATAM Airlines
Mon 9/213:45 pm
AEP
- BWI
2 stops18h 31m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 3/29. 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 6/123:03 pm
BWI
- EZE
1 stop15h 57m
United Airlines
Tue 6/239:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 3/29![United Airlines logo]()
$856
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/267:00 am
BWI
- AEP
3 stops35h 40m
LATAM Airlines
Thu 6/49:25 am
AEP
- BWI
2 stops26h 19m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$805
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/912:40 pm
BWI
- EZE
1 stop18h 20m
United Airlines
Wed 4/229:00 pm
EZE
- BWI
1 stop15h 37m
United Airlines
Deal found 3/26![United Airlines logo]()
$896
This Justfly.com deal was found by Cheapflights users on 3/25. 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.
Sun 4/122:38 pm
BWI
- EZE
1 stop18h 07m
LATAM Airlines
Fri 4/2412:15 pm
EZE
- BWI
2 stops23h 05m
LATAM Airlines
Deal found 3/25![LATAM Airlines logo]()
$817
This Ovago deal was found by Cheapflights users on 3/26. 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.
Thu 4/237:26 pm
BWI
- EZE
1 stop13h 19m
LATAM Airlines
Wed 4/2912:15 pm
EZE
- BWI
2 stops22h 22m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$830
This KAYAK deal was found by Cheapflights users on 3/25. 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.
Sun 9/137:40 pm
BWI
- AEP
2 stops19h 20m
LATAM Airlines
Tue 9/223:45 pm
AEP
- BWI
2 stops18h 31m
LATAM Airlines
Deal found 3/25![LATAM Airlines logo]()
$854
Last-minute flights from Baltimore to Buenos AiresDiscover last-minute flight deals from Baltimore to Buenos Aires. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Buenos Aires. Data last updated March 30, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 3/27. 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.
Thu 4/24:43 pm
BWI
- EZE
1 stop16h 02m
LATAM Airlines
Mon 4/68:10 pm
EZE
- BWI
1 stop20h 25m
LATAM Airlines
Deal found 3/27![LATAM Airlines logo]()
$734
This KAYAK deal was found by Cheapflights users on 3/26. 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.
Tue 4/77:28 am
BWI
- AEP
2 stops23h 12m
LATAM Airlines
Wed 4/228:40 am
AEP
- BWI
2 stops27h 06m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 3/26. 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 4/811:52 am
BWI
- EZE
1 stop20h 53m
Delta
Wed 4/223:55 am
EZE
- BWI
2 stops21h 43m
Delta
Deal found 3/26![Delta logo]()
$721
This Delta deal was found by Cheapflights users on 3/26. 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 4/87:14 pm
BWI
- EZE
1 stop13h 31m
Delta
Mon 4/201:10 pm
EZE
- BWI
2 stops22h 36m
Delta
Deal found 3/26![Delta logo]()
$725
This LATAM Airlines deal was found by Cheapflights users on 3/27. 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 4/87:14 pm
BWI
- EZE
1 stop13h 31m
LATAM Airlines
Mon 4/131:10 pm
EZE
- BWI
2 stops25h 03m
LATAM Airlines
Deal found 3/27![LATAM Airlines logo]()
$735
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/84:49 pm
BWI
- EZE
1 stop14h 06m
Copa Airlines
Fri 4/242:57 pm
EZE
- BWI
1 stop25h 20m
Copa Airlines
Deal found 3/26![Copa Airlines logo]()
$743
This BusinessClass deal was found by Cheapflights users on 3/30. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/92:38 pm
BWI
- EZE
2 stops17h 42m
LATAM Airlines
Tue 4/141:10 pm
EZE
- BWI
2 stops22h 36m
LATAM Airlines
Deal found 3/30![LATAM Airlines logo]()
$727
This Copa Airlines deal was found by Cheapflights users on 3/30. 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 4/124:49 pm
BWI
- EZE
1 stop14h 06m
Copa Airlines
Thu 4/232:22 am
EZE
- BWI
1 stop13h 55m
Copa Airlines
Deal found 3/30![Copa Airlines logo]()
$709
This BusinessClass deal was found by Cheapflights users on 3/29. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:33 pm
BWI
- EZE
1 stop15h 12m
LATAM Airlines
Mon 4/277:35 am
EZE
- BWI
2 stops18h 03m
LATAM Airlines
Deal found 3/29![LATAM Airlines logo]()
$723
This Ovago deal was found by Cheapflights users on 3/30. 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.
Tue 4/145:33 pm
BWI
- EZE
1 stop15h 12m
LATAM Airlines
Sun 4/268:10 pm
EZE
- BWI
1 stop14h 26m
LATAM Airlines
Deal found 3/30![LATAM Airlines logo]()
$733
This Justfly.com deal was found by Cheapflights users on 3/30. 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 4/217:26 pm
BWI
- EZE
1 stop13h 19m
LATAM Airlines
Tue 5/51:10 pm
EZE
- BWI
2 stops22h 43m
LATAM Airlines
Deal found 3/30![LATAM Airlines logo]()
$697
This BusinessClass deal was found by Cheapflights users on 3/30. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:51 am
BWI
- AEP
2 stops18h 49m
LATAM Airlines
Mon 5/45:00 pm
AEP
- BWI
2 stops26h 14m
LATAM Airlines
Deal found 3/30![LATAM Airlines logo]()
$723
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 March 30, 2026.
Search for one-way flight options from Baltimore to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 6/27:27 pm
BWI
- AEP
2 stops36h 03m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/135:59 pm
BWI
- AEP
2 stops37h 31m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$290
This FlightHub deal was found by Cheapflights users on 3/30. 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.
Fri 4/102:38 pm
BWI
- EZE
2 stops17h 42m
LATAM Airlines
Deal found 3/30![LATAM Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 3/30. 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 5/610:42 am
BWI
- EZE
1 stop22h 03m
Delta
Deal found 3/30![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 3/26. 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 4/74:43 pm
BWI
- AEP
2 stops22h 17m
Delta
Deal found 3/26![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 3/26. 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 4/104:43 pm
BWI
- EZE
2 stops15h 37m
Delta
Deal found 3/26![Delta logo]()
$315
This BusinessClass deal was found by Cheapflights users on 3/26. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/94:43 pm
BWI
- EZE
2 stops15h 37m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/127:48 pm
BWI
- AEP
3 stops35h 42m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/54:49 pm
BWI
- EZE
1 stop34h 27m
Copa Airlines
Deal found 3/27![Copa Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/78:10 am
BWI
- EZE
1 stop22h 50m
United Airlines
Deal found 3/26![United Airlines logo]()
$335
This LATAM Airlines deal was found by Cheapflights users on 3/26. 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 4/87:14 pm
BWI
- EZE
2 stops37h 06m
LATAM Airlines
Deal found 3/26![LATAM Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/67:05 pm
BWI
- EZE
2 stops35h 55m
United Airlines
Deal found 3/30![United Airlines logo]()
$337
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 March 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $589 (Copa Airlines) |
One-way from | $281 (Kiwi.com) |
Popular in | January |
Cheapest in | April |
Average price | $680 |
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 2,558,603 searches. Data last updated March 30, 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 - EZE
BWIEZE
Baltimore/Washington
Thu 5/28
12:55 pm-8:00 am
1 stop18h 05m
Buenos Aires Ministro Pistarini
Mon 6/1
9:00 pm-4:30 pm
1 stop20h 30m
$637
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Tue 5/26
12:55 pm-8:00 am
1 stop18h 05m
Buenos Aires Ministro Pistarini
Thu 6/4
9:00 pm-11:47 am
1 stop15h 47m
$661
Quickest round-trip
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Wed 4/29
4:49 pm-7:55 am
1 stop14h 06m
Buenos Aires Ministro Pistarini
Tue 5/5
2:17 am-3:24 pm
1 stop14h 07m
$709
BaltimoreBuenos Aires
BWI - AEP
BWIAEP
Baltimore/Washington
Tue 6/16
5:07 pm-2:50 pm
2 stops20h 43m
Buenos Aires Jorge Newbery
Tue 6/23
9:25 am-6:33 pm
2 stops34h 08m
$721
BaltimoreBuenos Aires
BWI - AEP
BWIAEP
Baltimore/Washington
Sat 4/11
11:44 am-2:50 pm
2 stops26h 06m
Buenos Aires Jorge Newbery
Tue 4/21
3:45 pm-9:36 am
2 stops18h 51m
$721
BaltimoreBuenos Aires
BWI - AEP
BWIAEP
Baltimore/Washington
Tue 6/16
11:54 am-2:50 pm
2 stops25h 56m
Buenos Aires Jorge Newbery
Thu 6/25
9:25 am-10:47 am
2 stops26h 22m
$721
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Thu 5/14
6:00 am-8:00 am
1 stop25h 00m
Buenos Aires Ministro Pistarini
Thu 5/28
9:00 pm-11:47 am
1 stop15h 47m
$721
BaltimoreBuenos Aires
BWI - AEP
BWIAEP
Baltimore/Washington
Wed 6/17
11:54 am-9:30 pm
2 stops32h 36m
Buenos Aires Jorge Newbery
Tue 6/23
9:25 am-6:33 pm
2 stops34h 08m
$721
BaltimoreBuenos Aires
BWI - AEP
BWIAEP
Baltimore/Washington
Thu 4/9
7:28 am-7:40 am
2 stops23h 12m
Buenos Aires Jorge Newbery
Fri 4/24
8:40 am-6:14 pm
2 stops34h 34m
$721
BaltimoreBuenos Aires
BWI - AEP
BWIAEP
Baltimore/Washington
Wed 6/17
11:54 am-9:30 pm
2 stops32h 36m
Buenos Aires Jorge Newbery
Thu 6/25
9:25 am-10:47 am
2 stops26h 22m
$721
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 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, March is the cheapest month in which you can book a flight from Baltimore to Buenos Aires (average of $278). Flying from Baltimore to Buenos Aires in November is currently the most expensive (average of $633). 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 Baltimore to Buenos Aires?
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 March 30, 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
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
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
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Popular flights
Alternative routes for Baltimore 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 March 30, 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 March 30, 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 2,558,603 searches. Data last updated March 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$811 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$278 | Average$713 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$344 | Average$755 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$356 | Average$818 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$653 | Average$922 | FlexibilityNo cancel fee | On-time71% |