HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$267+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
févr. 25 — mars 41
mar. 2/25
mar. 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$613
(Kiwi.com)

One-way from

$267
(KAYAK)

Popular in

January

Cheapest in

August

Average price

$1,074
Provider with most accurate pricing for Baltimore/Washington-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Buenos Aires (BUE) flights.
Search Deals
From Baltimore/Washington to Buenos Aires (BUE)
Search Deals
One-way flight from Baltimore/Washington to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 février 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
mer. 3/194:35 pmBWI - EZE
1 stop14h 12mCopa Airlines
mar. 3/252:47 amEZE - BWI
1 stop13h 24mCopa Airlines
Deal found 2/19$613
This Delta deal was found by Cheapflights users on 2/20. 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.
lun. 2/2410:18 amBWI - EZE
1 stop20h 42mDelta
mer. 3/128:55 pmEZE - BWI
1 stop21h 51mDelta
Deal found 2/20$629
This American Airlines deal was found by Cheapflights users on 2/20. 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.
lun. 2/241:48 pmBWI - EZE
2 stops18h 41mAmerican Airlines
mer. 2/2610:30 pmEZE - BWI
1 stop17h 52mAmerican Airlines
Deal found 2/20$634
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
dim. 3/94:35 pmBWI - EZE
1 stop14h 12mMultiple Airlines
mar. 3/113:58 amEZE - BWI
2 stops25h 44mMultiple Airlines
Deal found 2/19$766
This LATAM Airlines deal was found by Cheapflights users on 2/19. 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.
mar. 10/77:50 pmBWI - AEP
2 stops19h 10mLATAM Airlines
mer. 10/156:20 pmAEP - BWI
2 stops19h 02mLATAM Airlines
Deal found 2/19$771
This LATAM Airlines deal was found by Cheapflights users on 2/20. 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.
jeu. 9/186:00 amBWI - EZE
2 stops17h 50mLATAM Airlines
mar. 9/307:40 amEZE - BWI
2 stops17h 37mLATAM Airlines
Deal found 2/20$771
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/3012:35 pmBWI - EZE
1 stop18h 25mUnited Airlines
mar. 6/39:00 pmEZE - BWI
1 stop20h 25mUnited Airlines
Deal found 2/20$802
This Mytrip deal was found by Cheapflights users on 2/19. 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.
jeu. 4/245:41 pmBWI - AEP
3 stops32h 59mMultiple Airlines
ven. 5/912:05 amAEP - BWI
3 stops47h 15mMultiple Airlines
Deal found 2/19$904
This Delta deal was found by Cheapflights users on 2/18. 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.
ven. 10/106:10 pmBWI - AEP
2 stops18h 05mDelta
sam. 10/256:20 amAEP - BWI
2 stops18h 57mDelta
Deal found 2/18$1,795

Find flights from Baltimore to Buenos Aires within your budget

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 février 20, 2025.

Fly from

Baltimore

Fly to

Buenos Aires

Route

Depart

Return

Price

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

mer. 3/19

4:35 pm-7:47 am

1 stop14h 12m

Buenos Aires Ministro Pistarini

mar. 3/25

2:47 am-3:11 pm

1 stop13h 24m

$613

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

dim. 3/9

8:10 am-9:00 am

1 stop23h 50m

Buenos Aires Ministro Pistarini

jeu. 3/20

8:55 pm-3:40 pm

1 stop19h 45m

$629

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

dim. 3/9

4:35 pm-7:47 am

1 stop14h 12m

Buenos Aires Ministro Pistarini

ven. 3/28

10:55 am-5:10 am

2 stops19h 15m

$764

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

mer. 4/30

12:35 pm-8:00 am

1 stop18h 25m

Buenos Aires Ministro Pistarini

mar. 6/3

9:00 pm-4:25 pm

1 stop20h 25m

$802

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

mar. 4/1

6:55 pm-6:35 pm

2 stops22h 40m

Buenos Aires Jorge Newbery

mar. 4/8

5:00 pm-12:36 am

2 stops32h 36m

$849

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

lun. 5/5

6:44 pm-2:30 am

2 stops30h 46m

Buenos Aires Ministro Pistarini

ven. 5/9

7:13 pm-11:09 am

2 stops40h 56m

$874

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

jeu. 4/24

5:41 pm-3:40 am

3 stops32h 59m

Buenos Aires Jorge Newbery

ven. 5/9

12:05 am-10:20 pm

3 stops47h 15m

$904

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

ven. 3/28

3:13 pm-9:30 am

1 stop17h 17m

Buenos Aires Ministro Pistarini

dim. 4/6

8:25 pm-6:23 pm

1 stop22h 58m

$1,064

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

dim. 3/23

4:45 pm-11:00 am

2 stops17h 15m

Buenos Aires Jorge Newbery

mar. 4/8

6:20 am-12:36 am

2 stops19h 16m

$1,817

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

dim. 3/9

4:35 pm-7:47 am

1 stop14h 12m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 16 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice 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 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.
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.

Travel insights for flights from Baltimore to Buenos Aires

Get recent, data-driven insights about flights from Baltimore to Buenos Aires including ideal travel times, pricing trends, and more.

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 février 20, 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 février 20, 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
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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
1,510 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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
1,795 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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, Copa Airlines ($613), Delta ($629), and American Airlines ($634) offers the cheapest pricing from Baltimore to Buenos Aires. Copa Airlines is 46% 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 $267 on Copa Airlines. Other airlines that offer cheap prices include Delta from $270 and LATAM Airlines from $380 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

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 for Baltimore to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Ministro Pistarini flights
Reagan-National to Ministro Pistarini flights
Baltimore to Ministro Pistarini flights
Dulles Intl to Jorge Newbery flights
Philadelphia to Ministro Pistarini flights
Dulles Intl to Ushuaia flights
Dulles Intl to Cordoba flights
Reagan-National to Cordoba flights
Baltimore to Cordoba flights
Dulles Intl to San Carlos de Bariloche flights
Reagan-National to Mendoza flights
Reagan-National to Ushuaia flights
Dulles Intl to Mendoza flights
Baltimore to Mendoza flights
Reagan-National to Rosario flights
Reagan-National to San Carlos de Bariloche flights
Dulles Intl to Rosario flights
Baltimore to Rosario flights
Philadelphia to San Carlos de Bariloche flights
Philadelphia to Salta flights
Baltimore to Salta flights
Dulles Intl to Salta flights
Dulles Intl to Mar del Plata flights
Baltimore to San Miguel de Tucumán flights

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 février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$631Average$966FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$956Average$1,028FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$963Average$1,305FlexibilityNo cancel feeOn-time71%
DeltaCheapest$963Average$1,158FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.