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$265+ Cheap flights from Maryland 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from Maryland to Buenos Aires

Keep the following information in mind while searching for Maryland to Buenos Aires flight deals. Data was last updated julio 31, 2025.

Round-trip from

$627
(Delta)

One-way from

$265
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$863
From Maryland to Buenos Aires (BUE)
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One-way flight from Maryland to Buenos Aires (BUE)
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Highest demand for flights based on searches. 16% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Maryland to Buenos Aires

Cheapest flights from Maryland to Buenos Aires
Explore the most affordable flight options available from Maryland to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/227:25 pmBWI - AEP
2 stops19h 40mLATAM Airlines
lun. 10/135:00 pmAEP - BWI
2 stops19h 21mLATAM Airlines
Deal found 7/30$632
This FlightHub deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/256:25 pmBWI - EZE
2 stops16h 32mLATAM Airlines
jue. 9/43:55 amEZE - BWI
2 stops21h 28mLATAM Airlines
Deal found 7/31$632
This LATAM Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/2510:05 amIAD - AEP
2 stops19h 50mLATAM Airlines
mar. 12/93:40 pmAEP - IAD
2 stops22h 10mLATAM Airlines
Deal found 7/30$639
This Delta deal was found by Cheapflights users on 7/31. 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.
mar. 8/1912:39 pmIAD - EZE
1 stop20h 06mDelta
jue. 8/288:10 pmEZE - IAD
1 stop19h 21mDelta
Deal found 7/31$639
This LATAM Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/247:00 amDCA - AEP
2 stops22h 55mLATAM Airlines
mié. 11/2611:45 amAEP - DCA
2 stops24h 54mLATAM Airlines
Deal found 7/30$639
This United Airlines deal was found by Cheapflights users on 7/31. 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.
jue. 11/276:00 amBWI - EZE
1 stop25h 20mUnited Airlines
vie. 12/1211:55 pmEZE - BWI
1 stop18h 20mUnited Airlines
Deal found 7/31$639
This Delta deal was found by Cheapflights users on 7/31. 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.
mar. 8/196:20 pmDCA - EZE
1 stop14h 25mDelta
mié. 8/277:40 amEZE - DCA
2 stops17h 06mDelta
Deal found 7/31$639
This American Airlines deal was found by Cheapflights users on 7/31. 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. 8/187:44 amIAD - EZE
2 stops25h 31mAmerican Airlines
mar. 9/28:45 pmEZE - IAD
2 stops27h 03mAmerican Airlines
Deal found 7/31$641
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/285:45 amIAD - EZE
2 stops17h 25mAvianca
mié. 9/31:40 amEZE - IAD
1 stop13h 20mAvianca
Deal found 7/29$643
This Delta deal was found by Cheapflights users on 7/31. 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.
mar. 11/1112:15 pmBWI - EZE
2 stops19h 30mDelta
mar. 11/1810:25 pmEZE - BWI
2 stops20h 39mDelta
Deal found 7/31$644
This Copa Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/274:34 pmIAD - EZE
1 stop14h 18mCopa Airlines
mié. 9/310:06 amEZE - IAD
1 stop19h 14mCopa Airlines
Deal found 7/30$647
This LATAM Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/317:00 amDCA - EZE
2 stops34h 10mLATAM Airlines
jue. 9/117:40 amEZE - DCA
2 stops17h 02mLATAM Airlines
Deal found 7/29$647

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland 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 julio 31, 2025.
Use the filters below to find and compare flights from Maryland to Buenos Aires that are best for you.

Fly from

Maryland

Fly to

Buenos Aires

Route

Depart

Return

Price

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

lun. 9/22

7:25 pm-4:05 pm

2 stops19h 40m

Buenos Aires Jorge Newbery

lun. 10/13

5:00 pm-11:21 am

2 stops19h 21m

$632

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

lun. 8/25

6:25 pm-11:57 am

2 stops16h 32m

Buenos Aires Ministro Pistarini

jue. 9/4

3:55 am-12:23 am

2 stops21h 28m

$632

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

mar. 8/19

12:39 pm-9:45 am

1 stop20h 06m

Buenos Aires Ministro Pistarini

jue. 8/28

8:10 pm-2:31 pm

1 stop19h 21m

$639

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

mar. 8/19

6:25 pm-9:45 am

1 stop14h 20m

Buenos Aires Ministro Pistarini

jue. 8/28

8:10 pm-6:52 pm

1 stop23h 42m

$639

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

lun. 10/13

7:34 pm-6:35 pm

2 stops22h 01m

Buenos Aires Jorge Newbery

lun. 10/20

5:00 pm-11:31 am

2 stops19h 31m

$639

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

mar. 8/19

6:20 pm-9:45 am

1 stop14h 25m

Buenos Aires Ministro Pistarini

mié. 8/27

7:40 am-11:46 pm

2 stops17h 06m

$639

Washington, D.C.Buenos Aires

DCA - AEP

DCAAEP

Washington, D.C. Reagan-National

jue. 8/21

6:20 pm-6:35 pm

2 stops23h 15m

Buenos Aires Jorge Newbery

mar. 8/26

5:05 pm-6:33 pm

2 stops26h 28m

$639

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

lun. 8/18

7:44 am-10:15 am

2 stops25h 31m

Buenos Aires Ministro Pistarini

mar. 9/2

8:45 pm-10:48 pm

2 stops27h 03m

$641

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

jue. 8/28

5:45 am-12:10 am

2 stops17h 25m

Buenos Aires Ministro Pistarini

mié. 9/3

1:40 am-2:00 pm

1 stop13h 20m

$643

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

mié. 8/27

12:22 pm-9:00 am

2 stops19h 38m

Buenos Aires Ministro Pistarini

mié. 9/3

8:40 pm-7:20 pm

2 stops23h 40m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
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Best time to book a flight from Maryland to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Maryland 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 Maryland to Buenos Aires

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

Currently, April is the cheapest month in which you can book a flight from Maryland to Buenos Aires (average of $795). Flying from Maryland 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 MD to BUE?

Find hourly flight availability from Maryland 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 julio 31, 2025.

When flying from Maryland to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 julio 31, 2025.
Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and Copa Airlines from Maryland to Buenos Aires to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
1,822 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
1,493 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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!
GOL
7.3
Good
1,091 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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 Maryland 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 are the cheapest airlines to fly from Maryland to Buenos Aires one-way?

    $265 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on Delta and LATAM Airlines, with prices starting from $269 and $273, respectively.

  • What are the most popular routes from Maryland to Buenos Aires?

    The most popular flight routes from Maryland to Buenos Aires are Washington, D.C. Dulles Intl - Buenos Aires Ministro Pistarini, Washington, D.C. Reagan-National - Buenos Aires Ministro Pistarini and Baltimore/Washington - Buenos Aires Ministro Pistarini.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland 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 Maryland to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Maryland to Buenos Aires (average of $795). Flying from Maryland 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 Maryland to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Ministro Pistarini flights
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Top 4 airlines flying from Maryland to Buenos Aires

Discover the top 4 airlines that operate flights from Maryland 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$629Average$789FlexibilityNo cancel feeOn-time69%
DeltaCheapest$629Average$1,070FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$653Average$1,080FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$687Average$821FlexibilityNo cancel feeOn-time70%

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