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$265+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$629
(Delta)

One-way from

$265
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$1,000
Provider with most accurate pricing for Baltimore/Washington-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Buenos Aires (BUE) flights.
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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. 18% potential increase in price ($269 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/306:50 pmBWI - EZE
1 stop13h 55mDelta
mar. 6/38:10 pmEZE - BWI
1 stop14h 00mDelta
Deal found 4/17$629
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/136:40 pmBWI - EZE
2 stops36h 20mUnited Airlines
mié. 9/249:00 pmEZE - BWI
1 stop26h 45mUnited Airlines
Deal found 4/17$652
This Gotogate deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/14:49 pmBWI - EZE
1 stop28h 19mCopa Airlines
dom. 6/85:03 amEZE - BWI
1 stop35h 12mCopa Airlines
Deal found 4/17$659
This LATAM Airlines deal was found by Cheapflights users on 4/16. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/187:00 amBWI - AEP
2 stops20h 05mLATAM Airlines
dom. 10/261:30 pmAEP - BWI
2 stops22h 37mLATAM Airlines
Deal found 4/16$687
This CheapOair deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/276:18 pmBWI - EZE
2 stops22h 54mLATAM Airlines
lun. 6/23:55 amEZE - BWI
2 stops41h 48mLATAM Airlines
Deal found 4/17$765
This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/14:49 pmBWI - EZE
1 stop28h 19mMultiple Airlines
dom. 6/89:40 amEZE - BWI
3 stops26h 19mMultiple Airlines
Deal found 4/17$804
This Mytrip deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/198:26 amBWI - AEP
2 stops27h 34mMultiple Airlines
mar. 6/39:00 amAEP - BWI
3 stops38h 41mMultiple Airlines
Deal found 4/17$867
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/307:13 pmBWI - EZE
1 stop12h 37mAmerican Airlines
mar. 6/310:30 pmEZE - BWI
2 stops15h 29mAmerican Airlines
Deal found 4/17$1,039
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/176:10 pmBWI - AEP
2 stops18h 05mDelta
sáb. 11/86:20 amAEP - BWI
2 stops18h 17mDelta
Deal found 4/17$1,140

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 abril 17, 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 - EZE

BWIEZE

Baltimore/Washington

mié. 4/30

6:50 pm-9:45 am

1 stop13h 55m

Buenos Aires Ministro Pistarini

mar. 6/3

8:10 pm-9:10 am

1 stop14h 00m

$629

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

dom. 6/1

4:49 pm-10:08 pm

1 stop28h 19m

Buenos Aires Ministro Pistarini

dom. 6/8

5:03 am-3:15 pm

1 stop35h 12m

$659

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

jue. 4/24

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

lun. 5/12

9:00 pm-11:35 am

1 stop15h 35m

$679

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

dom. 6/1

7:00 am-4:05 am

2 stops20h 05m

Buenos Aires Jorge Newbery

dom. 6/8

6:20 pm-12:20 pm

2 stops19h 00m

$687

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

mar. 5/27

6:18 pm-6:12 pm

2 stops22h 54m

Buenos Aires Ministro Pistarini

lun. 6/2

3:55 am-8:43 pm

2 stops41h 48m

$765

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

dom. 6/1

4:49 pm-10:08 pm

1 stop28h 19m

Buenos Aires Ministro Pistarini

dom. 6/8

9:40 am-10:59 am

3 stops26h 19m

$804

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

lun. 5/19

8:26 am-1:00 pm

2 stops27h 34m

Buenos Aires Jorge Newbery

mar. 6/3

9:00 am-10:41 pm

3 stops38h 41m

$867

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

mié. 4/30

7:13 pm-8:50 am

1 stop12h 37m

Buenos Aires Ministro Pistarini

mar. 6/3

10:30 pm-12:59 pm

2 stops15h 29m

$1,039

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

lun. 5/26

7:44 pm-1:20 pm

2 stops16h 36m

Buenos Aires Jorge Newbery

dom. 7/20

4:30 am-10:44 pm

2 stops19h 14m

$1,352

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

lun. 4/21

12:35 pm-8:00 am

1 stop18h 25m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 15 results
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Buenos Aires flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Baltimore-Buenos Aires flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.
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 abril 17, 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 abril 17, 2025.
Read through reviews of airlines operating flights from Baltimore to Buenos Aires, such as Delta, Copa Airlines and LATAM Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Copa Airlines
7.6
Good
1,409 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LATAM Airlines
7.5
Good
1,761 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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, Delta ($629), Copa Airlines ($659), and United Airlines ($679) offers the cheapest pricing from Baltimore to Buenos Aires. Delta is 45% 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 $265 on United Airlines. Other airlines that offer cheap prices include LATAM Airlines from $320 and American Airlines from $451 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$615Average$963FlexibilityNo cancel feeOn-time69%
DeltaCheapest$629Average$1,097FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$631Average$924FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$922Average$1,237FlexibilityNo cancel feeOn-time71%

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