$256+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
Jun 15 — Jun 221
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 May 16, 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 May 16, 2026.
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:39 pm
BWI
- EZE
1 stop13h 11m
American Airlines
Mon 7/610:35 pm
EZE
- BWI
2 stops15h 29m
American Airlines
Deal found 5/16![American Airlines logo]()
$642
This LATAM Airlines deal was found by Cheapflights users on 5/15. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:00 am
BWI
- EZE
2 stops25h 40m
LATAM Airlines
Wed 6/241:10 pm
EZE
- BWI
2 stops22h 37m
LATAM Airlines
Deal found 5/15![LATAM Airlines logo]()
$652
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:00 pm
BWI
- EZE
1 stop15h 05m
American Airlines
Mon 7/610:00 pm
EZE
- BWI
1 stop17h 55m
American Airlines
Deal found 5/16![American Airlines logo]()
$654
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:27 am
BWI
- EZE
1 stop22h 38m
American Airlines
Wed 6/2410:35 pm
EZE
- BWI
2 stops20h 11m
American Airlines
Deal found 5/15![American Airlines logo]()
$658
This KAYAK deal was found by Cheapflights users on 5/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:41 pm
BWI
- EZE
2 stops22h 09m
LATAM Airlines
Mon 6/81:10 pm
EZE
- BWI
2 stops22h 37m
LATAM Airlines
Deal found 5/15![LATAM Airlines logo]()
$665
This KAYAK deal was found by Cheapflights users on 5/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:03 pm
BWI
- EZE
1 stop15h 57m
Azul
Mon 6/159:00 pm
EZE
- BWI
1 stop15h 47m
Azul
Deal found 5/15![Azul logo]()
$686
This KAYAK deal was found by Cheapflights users on 5/14. 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 6/26:29 pm
BWI
- AEP
2 stops22h 56m
LATAM Airlines
Wed 6/249:25 am
AEP
- BWI
2 stops26h 22m
LATAM Airlines
Deal found 5/14![LATAM Airlines logo]()
$687
This Delta deal was found by Cheapflights users on 5/14. 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 6/17:41 pm
BWI
- EZE
1 stop13h 04m
Delta
Mon 6/228:10 pm
EZE
- BWI
1 stop14h 16m
Delta
Deal found 5/14![Delta logo]()
$687
This KAYAK deal was found by Cheapflights users on 5/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:08 pm
BWI
- EZE
2 stops27h 13m
LATAM Airlines
Mon 8/108:10 pm
EZE
- BWI
1 stop14h 09m
LATAM Airlines
Deal found 5/15![LATAM Airlines logo]()
$690
This Delta deal was found by Cheapflights users on 5/14. 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 6/411:50 am
BWI
- EZE
2 stops20h 50m
Delta
Sat 6/201:10 pm
EZE
- BWI
2 stops22h 37m
Delta
Deal found 5/14![Delta logo]()
$691
This KAYAK deal was found by Cheapflights users on 5/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:04 pm
BWI
- EZE
1 stop15h 56m
Avianca
Mon 8/249:00 pm
EZE
- BWI
1 stop15h 45m
Avianca
Deal found 5/16![Avianca logo]()
$692
This deal was found by Cheapflights users on 5/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:04 pm
BWI
- EZE
1 stop15h 56m
United Airlines
Wed 8/269:00 pm
EZE
- BWI
1 stop15h 45m
United Airlines
Deal found 5/13![United Airlines logo]()
$693
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 May 16, 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 May 16, 2026.
This KAYAK deal was found by Cheapflights users on 5/14. 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 6/26:29 pm
BWI
- AEP
2 stops22h 56m
LATAM Airlines
Wed 6/249:25 am
AEP
- BWI
2 stops26h 22m
LATAM Airlines
Deal found 5/14![LATAM Airlines logo]()
$687
This United Airlines deal was found by Cheapflights users on 5/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:00 pm
BWI
- EZE
1 stop16h 00m
United Airlines
Fri 6/59:00 pm
EZE
- BWI
1 stop20h 30m
United Airlines
Deal found 5/15![United Airlines logo]()
$687
This Delta deal was found by Cheapflights users on 5/15. 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 7/205:00 pm
BWI
- EZE
1 stop15h 45m
Delta
Wed 7/298:10 pm
EZE
- BWI
1 stop22h 05m
Delta
Deal found 5/15![Delta logo]()
$687
This KAYAK deal was found by Cheapflights users on 5/14. 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 6/47:00 am
BWI
- AEP
2 stops23h 40m
LATAM Airlines
Wed 6/249:25 am
AEP
- BWI
2 stops26h 22m
LATAM Airlines
Deal found 5/14![LATAM Airlines logo]()
$687
This United Airlines deal was found by Cheapflights users on 5/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:03 pm
BWI
- EZE
1 stop15h 57m
United Airlines
Mon 7/69:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 5/16![United Airlines logo]()
$687
This Delta deal was found by Cheapflights users on 5/14. 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 6/511:50 am
BWI
- EZE
1 stop20h 55m
Delta
Sat 6/201:10 pm
EZE
- BWI
2 stops22h 37m
Delta
Deal found 5/14![Delta logo]()
$691
This Delta deal was found by Cheapflights users on 5/15. 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 7/206:20 pm
BWI
- EZE
2 stops23h 30m
Delta
Thu 7/238:10 pm
EZE
- BWI
1 stop14h 14m
Delta
Deal found 5/15![Delta logo]()
$691
This United Airlines deal was found by Cheapflights users on 5/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:00 am
BWI
- EZE
1 stop25h 00m
United Airlines
Sun 7/59:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 5/16![United Airlines logo]()
$713
This KAYAK deal was found by Cheapflights users on 5/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:20 pm
BWI
- AEP
2 stops19h 30m
LATAM Airlines
Mon 8/245:35 pm
AEP
- BWI
2 stops20h 30m
LATAM Airlines
Deal found 5/16![LATAM Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 5/15. 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 7/206:20 pm
BWI
- EZE
2 stops23h 30m
Delta
Mon 7/278:10 pm
EZE
- BWI
1 stop22h 05m
Delta
Deal found 5/15![Delta logo]()
$691
This United Airlines deal was found by Cheapflights users on 5/14. 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 5/316:00 am
BWI
- EZE
1 stop25h 00m
United Airlines
Sun 6/219:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 5/14![United Airlines logo]()
$716
This Delta deal was found by Cheapflights users on 5/14. 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 6/410:28 am
BWI
- EZE
1 stop22h 17m
Delta
Sat 6/201:10 pm
EZE
- BWI
2 stops22h 37m
Delta
Deal found 5/14![Delta logo]()
$691
This United Airlines deal was found by Cheapflights users on 5/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:04 pm
BWI
- EZE
1 stop15h 56m
United Airlines
Mon 10/59:00 pm
EZE
- BWI
1 stop15h 50m
United Airlines
Deal found 5/15![United Airlines logo]()
$721
This CheapOair deal was found by Cheapflights users on 5/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/811:54 am
BWI
- AEP
2 stops18h 46m
LATAM Airlines
Tue 6/168:05 pm
AEP
- BWI
2 stops17h 58m
LATAM Airlines
Deal found 5/13![LATAM Airlines logo]()
$857
This Delta deal was found by Cheapflights users on 5/15. 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 9/296:10 pm
BWI
- AEP
2 stops20h 50m
Delta
Thu 10/83:45 pm
AEP
- BWI
2 stops18h 31m
Delta
Deal found 5/15![Delta logo]()
$721
This Delta deal was found by Cheapflights users on 5/15. 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.
Wed 9/306:10 pm
BWI
- AEP
2 stops20h 50m
Delta
Thu 10/83:45 pm
AEP
- BWI
2 stops18h 31m
Delta
Deal found 5/15![Delta logo]()
$721
This Delta deal was found by Cheapflights users on 5/15. 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.
Wed 10/72:10 pm
BWI
- EZE
2 stops18h 30m
Delta
Wed 10/148:10 pm
EZE
- BWI
1 stop21h 53m
Delta
Deal found 5/15![Delta logo]()
$725
This CheapOair deal was found by Cheapflights users on 5/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:10 pm
BWI
- AEP
2 stops20h 50m
LATAM Airlines
Tue 11/38:05 pm
AEP
- BWI
2 stops30h 06m
LATAM Airlines
Deal found 5/15![LATAM Airlines logo]()
$1,020
This CheapOair deal was found by Cheapflights users on 5/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/42:16 pm
BWI
- AEP
2 stops30h 14m
LATAM Airlines
Sat 7/259:00 pm
AEP
- BWI
2 stops46h 23m
LATAM Airlines
Deal found 5/15![LATAM Airlines logo]()
$1,060
This KAYAK deal was found by Cheapflights users on 5/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:15 pm
BWI
- AEP
2 stops19h 15m
LATAM Airlines
Sat 10/248:05 pm
AEP
- BWI
2 stops29h 06m
LATAM Airlines
Deal found 5/15![LATAM Airlines logo]()
$1,237
This Delta deal was found by Cheapflights users on 5/13. 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 6/279:00 am
BWI
- AEP
2 stops21h 40m
Delta
Sat 7/43:45 pm
AEP
- BWI
2 stops20h 02m
Delta
Deal found 5/13![Delta logo]()
$1,042
This CheapOair deal was found by Cheapflights users on 5/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:10 pm
BWI
- AEP
2 stops37h 20m
LATAM Airlines
Sun 10/188:40 am
AEP
- BWI
2 stops35h 06m
LATAM Airlines
Deal found 5/13![LATAM Airlines logo]()
$1,242
This CheapOair deal was found by Cheapflights users on 5/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:10 pm
BWI
- AEP
2 stops20h 50m
LATAM Airlines
Fri 10/235:35 pm
AEP
- BWI
2 stops20h 29m
LATAM Airlines
Deal found 5/16![LATAM Airlines logo]()
$1,262
Last-minute flights from Baltimore to Buenos AiresDiscover last-minute flight deals from Baltimore to Buenos Aires. Data last updated May 16, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Buenos Aires. Data last updated May 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/14. 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 6/17:41 pm
BWI
- EZE
1 stop13h 04m
Delta
Mon 6/228:10 pm
EZE
- BWI
1 stop14h 16m
Delta
Deal found 5/14![Delta logo]()
$687
This KAYAK deal was found by Cheapflights users on 5/14. 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 6/26:29 pm
BWI
- AEP
2 stops22h 56m
LATAM Airlines
Mon 6/226:20 pm
AEP
- BWI
2 stops19h 43m
LATAM Airlines
Deal found 5/14![LATAM Airlines logo]()
$687
This LATAM Airlines deal was found by Cheapflights users on 5/15. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:41 pm
BWI
- EZE
1 stop13h 04m
LATAM Airlines
Mon 6/81:10 pm
EZE
- BWI
2 stops22h 37m
LATAM Airlines
Deal found 5/15![LATAM Airlines logo]()
$665
This Delta deal was found by Cheapflights users on 5/14. 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 6/411:50 am
BWI
- EZE
2 stops20h 50m
Delta
Sat 6/201:10 pm
EZE
- BWI
2 stops22h 37m
Delta
Deal found 5/14![Delta logo]()
$691
This KAYAK deal was found by Cheapflights users on 5/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:03 pm
BWI
- EZE
1 stop15h 57m
Azul
Mon 6/159:00 pm
EZE
- BWI
1 stop15h 47m
Azul
Deal found 5/15![Azul logo]()
$686
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Wed 6/107:23 am
BWI
- EZE
1 stop22h 42m
American Airlines
Wed 6/1710:35 pm
EZE
- BWI
1 stop20h 44m
American Airlines
Deal found 5/13![American Airlines logo]()
$693
This United Airlines deal was found by Cheapflights users on 5/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:03 pm
BWI
- EZE
1 stop15h 57m
United Airlines
Wed 7/89:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 5/16![United Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 5/14. 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 6/186:00 am
BWI
- EZE
1 stop25h 00m
United Airlines
Sun 7/59:00 pm
EZE
- BWI
1 stop15h 47m
United Airlines
Deal found 5/14![United Airlines logo]()
$696
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:00 pm
BWI
- EZE
1 stop15h 05m
American Airlines
Mon 7/610:00 pm
EZE
- BWI
1 stop17h 55m
American Airlines
Deal found 5/16![American Airlines logo]()
$654
This American Airlines deal was found by Cheapflights users on 5/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:39 pm
BWI
- EZE
1 stop13h 11m
American Airlines
Mon 7/610:35 pm
EZE
- BWI
2 stops15h 29m
American Airlines
Deal found 5/16![American Airlines logo]()
$642
This LATAM Airlines deal was found by Cheapflights users on 5/15. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:00 am
BWI
- EZE
2 stops25h 40m
LATAM Airlines
Wed 6/241:10 pm
EZE
- BWI
2 stops22h 37m
LATAM Airlines
Deal found 5/15![LATAM Airlines logo]()
$652
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:27 am
BWI
- EZE
1 stop22h 38m
American Airlines
Wed 6/2410:35 pm
EZE
- BWI
2 stops20h 11m
American Airlines
Deal found 5/15![American Airlines logo]()
$658
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 May 16, 2026.
Search for one-way flight options from Baltimore to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated May 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:35 am
BWI
- EZE
3 stops43h 48m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Mon 8/247:27 pm
BWI
- AEP
2 stops36h 03m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$266
This LATAM Airlines deal was found by Cheapflights users on 5/14. 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 6/262:10 pm
BWI
- EZE
2 stops18h 30m
LATAM Airlines
Deal found 5/14![LATAM Airlines logo]()
$285
This LATAM Airlines deal was found by Cheapflights users on 5/14. 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 7/45:00 pm
BWI
- AEP
2 stops22h 00m
LATAM Airlines
Deal found 5/14![LATAM Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 5/14. 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 6/266:39 pm
BWI
- EZE
1 stop13h 11m
American Airlines
Deal found 5/14![American Airlines logo]()
$298
This 123 Milhas deal was found by Cheapflights users on 5/11. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:08 pm
BWI
- EZE
2 stops18h 32m
LATAM Airlines
Deal found 5/11![LATAM Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 5/13. 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.
Wed 9/92:10 pm
BWI
- EZE
2 stops18h 30m
Delta
Deal found 5/13![Delta logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 9/99:24 am
BWI
- EZE
3 stops40h 36m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$326
This Travelocity deal was found by Cheapflights users on 5/14. 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 7/106:20 pm
BWI
- EZE
2 stops38h 20m
LATAM Airlines
Deal found 5/14![LATAM Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 9/910:23 am
BWI
- AEP
3 stops33h 57m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/297:27 pm
BWI
- AEP
3 stops50h 08m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Wed 6/34:46 pm
BWI
- EZE
1 stop14h 05m
Copa Airlines
Deal found 5/12![Copa Airlines logo]()
$330
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 May 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $652 (LATAM Airlines) |
One-way from | $256 (Kiwi.com) |
Popular in | January |
Cheapest in | April |
Average price | $708 |
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 May 16, 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 - AEP
BWIAEP
Baltimore/Washington
Tue 6/2
6:29 pm-6:25 pm
2 stops22h 56m
Buenos Aires Jorge Newbery
Wed 6/24
9:25 am-10:47 am
2 stops26h 22m
$687
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Mon 6/1
3:00 pm-8:00 am
1 stop16h 00m
Buenos Aires Ministro Pistarini
Fri 6/5
9:00 pm-4:30 pm
1 stop20h 30m
$687
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Mon 7/20
5:00 pm-9:45 am
1 stop15h 45m
Buenos Aires Ministro Pistarini
Wed 7/29
8:10 pm-5:15 pm
1 stop22h 05m
$687
BaltimoreBuenos Aires
BWI - AEP
BWIAEP
Baltimore/Washington
Thu 6/4
7:00 am-7:40 am
2 stops23h 40m
Buenos Aires Jorge Newbery
Wed 6/24
9:25 am-10:47 am
2 stops26h 22m
$687
Quickest round-trip
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Wed 6/17
3:03 pm-8:00 am
1 stop15h 57m
Buenos Aires Ministro Pistarini
Mon 7/6
9:00 pm-11:47 am
1 stop15h 47m
$687
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Fri 6/5
11:50 am-9:45 am
1 stop20h 55m
Buenos Aires Ministro Pistarini
Sat 6/20
1:10 pm-10:47 am
2 stops22h 37m
$691
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Mon 7/20
6:20 pm-6:50 pm
2 stops23h 30m
Buenos Aires Ministro Pistarini
Thu 7/23
8:10 pm-9:24 am
1 stop14h 14m
$691
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Mon 7/20
6:20 pm-6:50 pm
2 stops23h 30m
Buenos Aires Ministro Pistarini
Mon 7/27
8:10 pm-5:15 pm
1 stop22h 05m
$691
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Thu 6/4
10:28 am-9:45 am
1 stop22h 17m
Buenos Aires Ministro Pistarini
Sat 6/20
1:10 pm-10:47 am
2 stops22h 37m
$691
BaltimoreBuenos Aires
BWI - EZE
BWIEZE
Baltimore/Washington
Sat 6/20
6:00 am-8:00 am
1 stop25h 00m
Buenos Aires Ministro Pistarini
Sun 7/5
9:00 pm-11:47 am
1 stop15h 47m
$713
Showing 1-10 of 45 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 May.
| 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, 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 July is currently the most expensive (average of $687). 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 May 16, 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.
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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
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Complete your trip
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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 May 16, 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 May 16, 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 May 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$746 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$278 | Average$713 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$789 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$835 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$653 | Average$941 | FlexibilityNo cancel fee | On-time71% |