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$280+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$649
(LATAM Airlines)

One-way from

$280
(LATAM Airlines)

Popular in

December

Cheapest in

June

Average price

$882
From Baltimore/Washington to Buenos Aires (BUE)
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One-way flight from Baltimore/Washington to Buenos Aires (BUE)
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Highest demand for flights based on searches. 23% potential increase in price ($351 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($77 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Baltimore to Buenos Aires

Cheapest flights from Baltimore to Buenos Aires
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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/144:45 pmBWI - AEP
2 stops20h 55mLATAM Airlines
Sun 6/225:00 pmAEP - BWI
2 stops18h 52mLATAM Airlines
Deal found 6/11$624
This Delta deal was found by Cheapflights users on 6/10. 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 8/206:25 pmBWI - EZE
1 stop14h 20mDelta
Thu 8/287:40 amEZE - BWI
2 stops17h 41mDelta
Deal found 6/10$649
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/218:15 amBWI - EZE
2 stops22h 10mAmerican Airlines
Wed 8/278:45 pmEZE - BWI
1 stop22h 25mAmerican Airlines
Deal found 6/10$654
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 9/242:54 pmBWI - EZE
1 stop16h 06mUnited Airlines
Tue 9/309:00 pmEZE - BWI
1 stop20h 14mUnited Airlines
Deal found 6/12$688
This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:10 pmBWI - EZE
2 stops16h 37mLATAM Airlines
Fri 10/177:40 amEZE - BWI
2 stops17h 32mLATAM Airlines
Deal found 6/9$694
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Mon 6/164:49 pmBWI - EZE
1 stop31h 02mMultiple Airlines
Wed 6/182:30 amEZE - BWI
2 stops21h 27mMultiple Airlines
Deal found 6/10$802
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:30 amBWI - AEP
3 stops25h 50mMultiple Airlines
Sat 10/412:05 amAEP - BWI
3 stops38h 13mMultiple Airlines
Deal found 6/10$806
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Sat 6/144:49 pmBWI - EZE
1 stop31h 13mCopa Airlines
Sat 6/212:32 pmEZE - BWI
1 stop25h 43mCopa Airlines
Deal found 6/11$863

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 June 12, 2025.
Use the filters below to find and compare flights from Baltimore to Buenos Aires that are best for you.

Fly from

Baltimore

Fly to

Buenos Aires

Route

Depart

Return

Price

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

Fri 8/22

6:25 pm-7:40 pm

2 stops24h 15m

Buenos Aires Jorge Newbery

Sat 8/30

11:45 am-12:30 pm

2 stops25h 45m

$649

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 8/20

4:39 pm-9:45 am

1 stop16h 06m

Buenos Aires Ministro Pistarini

Wed 8/27

8:10 pm-12:30 pm

1 stop17h 20m

$649

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Thu 8/21

8:15 am-7:25 am

2 stops22h 10m

Buenos Aires Ministro Pistarini

Wed 8/27

8:45 pm-6:10 pm

1 stop22h 25m

$654

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 6/15

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

Sun 6/22

9:00 pm-10:30 pm

1 stop26h 30m

$709

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 8/25

6:25 pm-11:57 am

2 stops16h 32m

Buenos Aires Ministro Pistarini

Thu 9/4

3:55 am-12:21 am

2 stops21h 26m

$744

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 6/16

4:49 pm-12:51 am

1 stop31h 02m

Buenos Aires Ministro Pistarini

Wed 6/18

2:30 am-10:57 pm

2 stops21h 27m

$802

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 6/23

4:49 pm-8:14 am

1 stop14h 25m

Buenos Aires Ministro Pistarini

Sun 6/29

2:13 am-3:15 pm

1 stop14h 02m

$875

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

Thu 7/24

8:00 am-2:20 am

3 stops41h 20m

Buenos Aires Jorge Newbery

Mon 7/28

12:05 am-5:32 pm

3 stops42h 27m

$895

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

Mon 9/1

6:25 pm-6:35 pm

2 stops23h 10m

$280

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 9/9

4:39 pm-9:45 am

1 stop16h 06m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 16 results
1
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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.
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

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

Currently, April is the cheapest month in which you can book a flight from Baltimore to Buenos Aires (average of $795). Flying from Baltimore to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Baltimore to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from Baltimore to Buenos Aires in the evening. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Baltimore to Buenos Aires, such as Delta, LATAM Airlines and Copa Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LATAM Airlines
7.5
Good
1,785 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,451 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What airport do you fly from for flights from Baltimore to Buenos Aires?

    Located just 8.5 mi from the city center, Baltimore/Washington is the airport most travelers will use when flying to Buenos Aires from Baltimore. Booking flights from Baltimore/Washington (BWI) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 4 different airlines.

  • What are the cheapest airlines flying from Baltimore to Buenos Aires round-trip?

    According to our current data, LATAM Airlines ($649), Delta ($649), and American Airlines ($654) offers the cheapest pricing from Baltimore to Buenos Aires. LATAM Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $280 on LATAM Airlines. Other airlines that offer cheap prices include Delta from $280 and Copa Airlines from $400 one-way.

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

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Baltimore to Buenos Aires (average of $795). Flying from Baltimore to Buenos Aires in December is currently the most expensive (average of $1,260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Baltimore to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Baltimore to Buenos Aires

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$629Average$819FlexibilityNo cancel feeOn-time69%
DeltaCheapest$629Average$1,088FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$687Average$835FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$922Average$1,237FlexibilityNo cancel feeOn-time71%

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