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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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$613
(Avianca)

One-way from

$265
(United Airlines)

Popular in

December

Cheapest in

May

Average price

$951
Provider with most accurate pricing for Washington, D.C. (WAS)-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Buenos Aires (BUE) flights.
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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. 13% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 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 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 April 17, 2025.

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.
Mon 5/122:35 amIAD - EZE
3 stops26h 00mAvianca
Tue 6/34:45 pmEZE - IAD
1 stop13h 50mAvianca
Deal found 4/17$622
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.
Mon 5/197:33 pmDCA - EZE
1 stop13h 12mDelta
Tue 6/37:40 amEZE - DCA
2 stops30h 15mDelta
Deal found 4/17$623
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.
Sun 11/2310:06 pmIAD - EZE
1 stop31h 14mUnited Airlines
Mon 12/811:55 pmEZE - IAD
1 stop18h 11mUnited Airlines
Deal found 4/17$624
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.
Sun 11/234:35 pmDCA - EZE
1 stop36h 45mUnited Airlines
Mon 12/811:55 pmEZE - DCA
1 stop20h 30mUnited Airlines
Deal found 4/17$624
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.
Wed 4/306:50 pmBWI - EZE
1 stop13h 55mDelta
Tue 6/38:10 pmEZE - BWI
1 stop14h 00mDelta
Deal found 4/17$629
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.
Tue 5/134:34 pmIAD - EZE
1 stop31h 13mCopa Airlines
Mon 6/23:47 amEZE - IAD
1 stop25h 33mCopa Airlines
Deal found 4/17$634
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/253:25 pmIAD - AEP
1 stop13h 15mAvianca
Mon 10/67:00 amAEP - IAD
2 stops20h 45mAvianca
Deal found 4/17$636
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.
Sat 9/136:40 pmBWI - EZE
2 stops36h 20mUnited Airlines
Wed 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.
Sun 6/14:49 pmBWI - EZE
1 stop28h 19mCopa Airlines
Sun 6/85:03 amEZE - BWI
1 stop35h 12mCopa Airlines
Deal found 4/17$659
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/133:37 pmIAD - EZE
1 stop17h 08mDelta
Tue 6/38:10 pmEZE - IAD
1 stop14h 04mDelta
Deal found 4/17$679
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amIAD - AEP
2 stops21h 05mLATAM Airlines
Wed 11/53:40 pmAEP - IAD
2 stops22h 10mLATAM Airlines
Deal found 4/17$687
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.
Sat 10/187:00 amBWI - AEP
2 stops20h 05mLATAM Airlines
Sun 10/261:30 pmAEP - BWI
2 stops22h 37mLATAM Airlines
Deal found 4/16$687

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 April 17, 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

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 5/12

2:35 am-5:35 am

3 stops26h 00m

Buenos Aires Ministro Pistarini

Tue 6/3

4:45 pm-5:35 am

1 stop13h 50m

$622

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Mon 5/19

7:33 pm-9:45 am

1 stop13h 12m

Buenos Aires Ministro Pistarini

Tue 6/3

7:40 am-12:55 pm

2 stops30h 15m

$623

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 4/30

6:50 pm-9:45 am

1 stop13h 55m

Buenos Aires Ministro Pistarini

Tue 6/3

8:10 pm-9:10 am

1 stop14h 00m

$629

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/13

4:34 pm-12:47 am

1 stop31h 13m

Buenos Aires Ministro Pistarini

Mon 6/2

3:47 am-4:20 am

1 stop25h 33m

$634

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Thu 9/25

3:25 pm-5:40 am

1 stop13h 15m

Buenos Aires Jorge Newbery

Mon 10/6

7:00 am-2:45 am

2 stops20h 45m

$636

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 4/29

8:25 am-8:00 am

1 stop22h 35m

Buenos Aires Ministro Pistarini

Tue 5/13

9:00 pm-11:58 pm

1 stop27h 58m

$638

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 5/14

8:05 am-8:00 am

1 stop22h 55m

Buenos Aires Ministro Pistarini

Sun 5/18

9:00 pm-11:59 pm

1 stop27h 59m

$638

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 6/1

4:49 pm-10:08 pm

1 stop28h 19m

Buenos Aires Ministro Pistarini

Sun 6/8

5:03 am-3:15 pm

1 stop35h 12m

$659

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/13

3:37 pm-9:45 am

1 stop17h 08m

Buenos Aires Ministro Pistarini

Tue 6/3

8:10 pm-9:14 am

1 stop14h 04m

$679

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Thu 4/24

6:00 am-8:00 am

1 stop25h 00m

Buenos Aires Ministro Pistarini

Mon 5/12

9:00 pm-11:35 am

1 stop15h 35m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 57 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 April 17, 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.

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 April 17, 2025.
Get a feel of what it's like to fly with Delta, Copa Airlines and LATAM Airlines from Maryland to Buenos Aires by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
1,409 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
1,761 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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.
GOL
7.3
Good
1,059 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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 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 United Airlines. You may also be able to find cheap deals on Delta and Copa Airlines, with prices starting from $270 and $277, 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
John F Kennedy Intl to Ministro Pistarini flights
John F Kennedy Intl to Jorge Newbery flights
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Reagan-National to Ministro Pistarini flights
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Dulles Intl to Jorge Newbery flights
Dallas/Fort Worth to Jorge Newbery flights
Austin to Jorge Newbery flights
Fort Lauderdale to Ministro Pistarini flights
Boston to Jorge Newbery flights
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Hobby to Jorge Newbery flights
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Orlando to Jorge Newbery flights
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Miami to Cordoba flights
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Seattle to Jorge Newbery flights
George Bush Intcntl to Jorge Newbery flights
Atlanta to Jorge Newbery flights
Denver to Ministro Pistarini flights
Sky Harbor Intl to Ministro Pistarini flights
Tampa to Jorge Newbery flights
San Diego to Jorge Newbery flights
Fort Lauderdale to Jorge Newbery flights
Las Vegas to Ministro Pistarini flights

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 April 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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