Buenos Aires

$260+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
Feb 27 — Mar 61
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Cheap 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 January 28, 2026.

This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:25 pm
IAD
-
EZE
1 stop22h 55m
Avianca
Thu 4/96:50 am
EZE
-
IAD
1 stop23h 45m
Avianca
Deal found 1/27$601
This oojo deal was found by Cheapflights users on 1/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:00 am
IAD
-
EZE
1 stop31h 20m
Avianca
Wed 4/86:50 am
EZE
-
IAD
1 stop32h 10m
Avianca
Deal found 1/27$603
This Mytrip deal was found by Cheapflights users on 1/27. 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 5/206:50 am
IAD
-
EZE
1 stop21h 55m
Avianca
Tue 5/267:10 am
EZE
-
IAD
2 stops20h 35m
Avianca
Deal found 1/27$604
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sun 3/226:45 am
IAD
-
AEP
1 stop21h 55m
Avianca
Tue 3/317:00 am
AEP
-
IAD
1 stop23h 20m
Avianca
Deal found 1/28$606
This Flysmarter deal was found by Cheapflights users on 1/27. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:00 am
IAD
-
EZE
1 stop21h 45m
Avianca
Sat 8/84:45 pm
EZE
-
IAD
2 stops24h 10m
Avianca
Deal found 1/27$607
This Avianca deal was found by Cheapflights users on 1/27. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:35 pm
IAD
-
AEP
1 stop13h 05m
Avianca
Tue 5/197:00 am
AEP
-
IAD
2 stops20h 45m
Avianca
Deal found 1/27$608
This Copa Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 5/192:21 am
IAD
-
EZE
1 stop19h 04m
Copa Airlines
Sat 5/302:49 pm
EZE
-
IAD
1 stop14h 32m
Copa Airlines
Deal found 1/26$609
This Copa Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 3/114:45 pm
BWI
-
EZE
1 stop14h 10m
Copa Airlines
Tue 3/312:21 am
EZE
-
BWI
1 stop13h 56m
Copa Airlines
Deal found 1/27$609
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sun 3/226:45 am
IAD
-
EZE
1 stop16h 50m
Avianca
Tue 3/317:10 am
EZE
-
IAD
1 stop23h 10m
Avianca
Deal found 1/28$611
This BusinessClass deal was found by Cheapflights users on 1/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:45 pm
BWI
-
EZE
1 stop14h 10m
Copa Airlines
Tue 3/1712:23 am
EZE
-
BWI
1 stop15h 48m
Copa Airlines
Deal found 1/25$611
This United Airlines deal was found by Cheapflights users on 1/27. 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 3/156:00 am
DCA
-
EZE
1 stop23h 20m
United Airlines
Thu 3/2610:55 pm
EZE
-
DCA
1 stop23h 01m
United Airlines
Deal found 1/27$611
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 2/266:03 am
IAD
-
EZE
1 stop23h 17m
United Airlines
Sun 3/111:55 pm
EZE
-
IAD
1 stop24h 21m
United Airlines
Deal found 1/26$612

Find 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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$601
(oojo)

One-way from

$260
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$839
Provider with most accurate pricing for Washington, D.C. (WAS)-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Buenos Aires (BUE) flights.
From Maryland to Buenos Aires (BUE)
One-way flight from Maryland to Buenos Aires (BUE)
Highest demand for flights based on searches. 8% potential increase in price ($79 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 28, 2026.
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

Thu 5/7

2:21 am-2:30 am

1 stop23h 09m

Buenos Aires Ministro Pistarini

Mon 5/18

5:25 am-4:21 am

1 stop23h 56m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/19

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Tue 5/26

5:25 am-4:21 am

1 stop23h 56m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 4/5

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Sun 4/19

2:57 pm-4:22 am

1 stop14h 25m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 5/19

2:21 am-10:25 pm

1 stop19h 04m

Buenos Aires Ministro Pistarini

Sat 5/30

2:49 pm-4:21 am

1 stop14h 32m

$609

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 4/13

4:49 pm-7:55 am

1 stop14h 06m

Buenos Aires Ministro Pistarini

Thu 4/23

2:21 am-3:17 pm

1 stop13h 56m

$609

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 3/11

4:45 pm-7:55 am

1 stop14h 10m

Buenos Aires Ministro Pistarini

Tue 3/31

2:21 am-3:17 pm

1 stop13h 56m

$609

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Fri 5/15

4:36 pm-7:55 am

1 stop14h 19m

Buenos Aires Ministro Pistarini

Tue 5/19

2:17 am-3:17 pm

1 stop14h 00m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 3/29

6:50 am-12:25 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Sat 4/11

4:50 pm-5:20 am

1 stop13h 30m

$611

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 5/16

5:35 pm-3:40 pm

2 stops21h 05m

Buenos Aires Ministro Pistarini

Mon 5/25

4:50 pm-5:20 am

1 stop13h 30m

$613

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 3/2

8:15 am-9:20 am

1 stop23h 05m

Buenos Aires Ministro Pistarini

Thu 3/19

9:05 pm-11:26 am

1 stop15h 21m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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, March is the cheapest month in which you can book a flight from Maryland to Buenos Aires (average of $278). Flying from Maryland to Buenos Aires in December is currently the most expensive (average of $739). 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.

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.
  • How long is the flight from Maryland to Buenos Aires?

    A quick flight from Maryland to Buenos Aires can take about 15h 15m. Copa Airlines provides one of the quickest options available for as low as $621. There are 5239 mi between Maryland and Buenos Aires. This flight may include one or multiple stops.

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

  • 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, March is the cheapest month in which you can book a flight from Maryland to Buenos Aires (average of $278). Flying from Maryland to Buenos Aires in December is currently the most expensive (average of $739). 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.

Top 5 airlines flying from Maryland to Buenos Aires

Discover the top 5 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$278Average$746FlexibilityNo cancel feeOn-time81%
DeltaCheapest$278Average$775FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$356Average$818FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$599Average$1,132FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$615Average$755FlexibilityNo cancel feeOn-time69%

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