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$267+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$619
(Booking.com)

One-way from

$267
(Copa Airlines)

Popular in

December

Cheapest in

May

Average price

$823
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 ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:45 pmBWI - EZE
1 stop14h 35mUnited Airlines
Sun 11/1610:05 pmEZE - BWI
1 stop20h 20mUnited Airlines
Deal found 4/30$615
This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:45 amIAD - EZE
2 stops17h 25mAvianca
Tue 10/71:40 amEZE - IAD
1 stop13h 20mAvianca
Deal found 4/29$619
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/154:49 pmBWI - EZE
1 stop31h 13mCopa Airlines
Sun 6/222:32 pmEZE - BWI
1 stop25h 43mCopa Airlines
Deal found 4/30$619
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:00 amIAD - AEP
1 stop21h 40mAvianca
Wed 10/87:00 amAEP - IAD
2 stops22h 20mAvianca
Deal found 4/29$621
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:30 amIAD - EZE
1 stop24h 50mUnited Airlines
Sun 12/1411:55 pmEZE - IAD
1 stop23h 17mUnited Airlines
Deal found 4/30$622
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:00 amDCA - EZE
1 stop25h 20mUnited Airlines
Mon 11/1011:55 pmEZE - DCA
2 stops24h 21mUnited Airlines
Deal found 4/30$629
This Copa Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 9/139:34 amIAD - EZE
1 stop17h 40mCopa Airlines
Wed 9/242:32 pmEZE - IAD
1 stop14h 50mCopa Airlines
Deal found 4/30$630
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:11 amIAD - EZE
2 stops22h 44mAmerican Airlines
Mon 5/199:15 pmEZE - IAD
2 stops20h 41mAmerican Airlines
Deal found 4/29$634
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/143:54 pmDCA - EZE
2 stops16h 01mAmerican Airlines
Sun 5/189:15 pmEZE - DCA
1 stop22h 52mAmerican Airlines
Deal found 4/30$634
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:00 amDCA - EZE
1 stop23h 45mDelta
Fri 10/176:40 amEZE - DCA
2 stops31h 17mDelta
Deal found 4/30$637
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1812:35 pmIAD - EZE
1 stop20h 10mDelta
Fri 8/298:10 pmEZE - IAD
1 stop21h 32mDelta
Deal found 4/30$658
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:10 pmBWI - EZE
1 stop14h 35mDelta
Sun 10/198:10 pmEZE - BWI
1 stop14h 05mDelta
Deal found 4/30$658

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 May 1, 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

Wed 10/1

5:45 am-12:10 am

2 stops17h 25m

Buenos Aires Ministro Pistarini

Tue 10/7

1:40 am-2:00 pm

1 stop13h 20m

$619

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 6/15

4:49 pm-1:02 am

1 stop31h 13m

Buenos Aires Ministro Pistarini

Sun 6/22

2:32 pm-3:15 pm

1 stop25h 43m

$619

Washington, D.C.Buenos Aires

IAD - AEP

IADAEP

Washington, D.C. Dulles Intl

Wed 10/1

7:00 am-5:40 am

1 stop21h 40m

Buenos Aires Jorge Newbery

Wed 10/8

7:00 am-4:20 am

2 stops22h 20m

$621

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 10/26

8:25 am-6:20 am

1 stop20h 55m

Buenos Aires Ministro Pistarini

Tue 11/11

11:55 pm-4:06 pm

1 stop18h 11m

$629

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 10/26

2:45 pm-8:20 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Tue 11/11

10:05 pm-4:25 pm

1 stop20h 20m

$629

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 10/26

6:00 am-8:20 am

1 stop25h 20m

Buenos Aires Ministro Pistarini

Mon 11/10

11:55 pm-10:16 pm

2 stops24h 21m

$629

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 9/13

9:34 am-4:14 am

1 stop17h 40m

Buenos Aires Ministro Pistarini

Wed 9/24

2:32 pm-4:22 am

1 stop14h 50m

$630

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 5/14

9:11 am-8:55 am

2 stops22h 44m

Buenos Aires Ministro Pistarini

Mon 5/19

9:15 pm-4:56 pm

2 stops20h 41m

$634

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Wed 5/14

3:54 pm-8:55 am

2 stops16h 01m

Buenos Aires Ministro Pistarini

Sun 5/18

9:15 pm-7:07 pm

1 stop22h 52m

$634

Washington, D.C.Buenos Aires

DCA - EZE

DCAEZE

Washington, D.C. Reagan-National

Sun 10/5

9:00 am-9:45 am

1 stop23h 45m

Buenos Aires Ministro Pistarini

Fri 10/17

6:40 am-12:57 pm

2 stops31h 17m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May 1, 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 May 1, 2025.
Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa 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
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

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
1,767 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

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
7.5
Good
1,414 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

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.
GOL
7.3
Good
1,068 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

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 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?

    $267 is the cheapest one-way deal found within the past few days, from Copa Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $270 and $270, 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

Browse thousands of different options on Cheapflights for your next trip

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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
Miami to Jorge Newbery flights
John F Kennedy Intl to Jorge Newbery flights
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LaGuardia to Ministro Pistarini flights
San Francisco to Ministro Pistarini flights
Hobby to Ministro Pistarini flights
Los Angeles to Ministro Pistarini flights
Dulles Intl to Ministro Pistarini flights
Los Angeles to Jorge Newbery flights
George Bush Intcntl to Ministro Pistarini flights
Reagan-National to Ministro Pistarini flights
O'Hare Intl to Ministro Pistarini flights
San Francisco to Jorge Newbery flights
Baltimore to Ministro Pistarini flights
Dulles Intl to Jorge Newbery flights
Atlanta to Ministro Pistarini flights
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Seattle to Ministro Pistarini flights
Fort Lauderdale to Ministro Pistarini flights
Boston to Ministro Pistarini flights
Newark to Jorge Newbery flights
Boston to Jorge Newbery flights
Midway to Ministro Pistarini flights
Orlando to Ministro Pistarini flights
Dallas/Fort Worth to Jorge Newbery flights
Austin to Ministro Pistarini flights
Orlando to Jorge Newbery flights
Seattle to Jorge Newbery flights
Atlanta to Jorge Newbery flights
Hobby to Jorge Newbery flights
Austin to Jorge Newbery flights
Ontario to Ministro Pistarini flights
Salt Lake City to Ministro Pistarini flights
Denver to Ministro Pistarini flights
Tampa to Ministro Pistarini flights
Denver to Jorge Newbery flights
George Bush Intcntl to Jorge Newbery flights
Tampa to Jorge Newbery flights
Sky Harbor Intl to Ministro Pistarini flights
Portland to Ministro Pistarini flights
Love Field to Ministro Pistarini flights
Philadelphia to Ministro Pistarini flights
Miami to Mendoza 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$629Average$864FlexibilityNo cancel feeOn-time69%
DeltaCheapest$629Average$1,093FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$631Average$821FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$922Average$1,237FlexibilityNo cancel feeOn-time71%

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