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$252+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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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 diciembre 15, 2025.

This Copa Airlines deal was found by Cheapflights users on 12/13. 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. 12/171:13 amIAD - EZE
1 stop22h 45mCopa Airlines
sáb. 12/273:41 amEZE - IAD
1 stop23h 21mCopa Airlines
Deal found 12/13$643
This United Airlines deal was found by Cheapflights users on 12/12. 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.
mié. 12/172:54 pmDCA - EZE
1 stop14h 26mUnited Airlines
jue. 12/2510:05 pmEZE - DCA
1 stop15h 24mUnited Airlines
Deal found 12/12$655
This United Airlines deal was found by Cheapflights users on 12/13. 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.
sáb. 12/1312:45 pmIAD - EZE
1 stop18h 35mUnited Airlines
mar. 12/2310:05 pmEZE - IAD
1 stop24h 59mUnited Airlines
Deal found 12/13$671
This United Airlines deal was found by Cheapflights users on 12/13. 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.
sáb. 12/138:15 amDCA - EZE
1 stop23h 05mUnited Airlines
mar. 12/2311:55 pmEZE - DCA
1 stop22h 51mUnited Airlines
Deal found 12/13$671
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/284:49 pmBWI - EZE
1 stop14h 11mLATAM Airlines
jue. 1/228:55 pmEZE - BWI
1 stop22h 51mLATAM Airlines
Deal found 12/13$680
This United Airlines deal was found by Cheapflights users on 12/13. 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.
sáb. 12/137:59 pmDCA - EZE
1 stop35h 21mUnited Airlines
mar. 12/1611:55 pmEZE - DCA
1 stop18h 03mUnited Airlines
Deal found 12/13$680
This CheapOair deal was found by Cheapflights users on 12/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/185:59 pmIAD - EZE
1 stop13h 01mLATAM Airlines
sáb. 12/208:55 pmEZE - IAD
1 stop14h 51mLATAM Airlines
Deal found 12/14$685
This Delta deal was found by Cheapflights users on 12/13. 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.
sáb. 12/2710:51 amIAD - EZE
1 stop20h 09mDelta
sáb. 2/2111:55 pmEZE - IAD
1 stop13h 40mDelta
Deal found 12/13$686
This KAYAK deal was found by Cheapflights users on 12/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/275:00 pmDCA - EZE
1 stop15h 15mLATAM Airlines
sáb. 2/218:55 pmEZE - DCA
1 stop14h 15mLATAM Airlines
Deal found 12/15$686
This Delta deal was found by Cheapflights users on 12/13. 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.
dom. 12/2810:57 amIAD - EZE
1 stop20h 03mDelta
jue. 1/228:55 pmEZE - IAD
1 stop14h 18mDelta
Deal found 12/13$689
This Delta deal was found by Cheapflights users on 12/13. 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.
dom. 12/285:00 pmDCA - EZE
1 stop15h 15mDelta
jue. 1/228:55 pmEZE - DCA
1 stop19h 35mDelta
Deal found 12/13$689
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/285:00 pmDCA - EZE
1 stop15h 15mLATAM Airlines
mié. 1/218:55 pmEZE - DCA
2 stops21h 34mLATAM Airlines
Deal found 12/13$693

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 diciembre 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$600
(American Airlines)

One-way from

$252
(Copa Airlines)

Popular in

December

Cheapest in

August

Average price

$1,108
Provider with most accurate pricing for Washington, D.C. (WAS)-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Buenos Aires (BUE) flights.
Search Deals
From Maryland to Buenos Aires (BUE)
Search Deals
One-way flight from Maryland to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 diciembre 15, 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

sáb. 2/28

7:51 pm-10:15 am

1 stop36h 24m

Buenos Aires Ministro Pistarini

dom. 5/17

3:55 am-12:09 am

2 stops21h 14m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

mié. 3/4

3:42 pm-7:20 am

1 stop13h 38m

Buenos Aires Ministro Pistarini

lun. 5/18

8:10 pm-12:09 am

1 stop28h 59m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

sáb. 2/28

7:51 pm-10:15 am

1 stop36h 24m

Buenos Aires Ministro Pistarini

mié. 3/18

10:25 pm-12:39 pm

1 stop15h 14m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

sáb. 2/28

7:51 pm-10:15 am

1 stop36h 24m

Buenos Aires Ministro Pistarini

jue. 3/19

10:25 pm-12:39 pm

1 stop15h 14m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

sáb. 2/28

7:51 pm-10:15 am

1 stop36h 24m

Buenos Aires Ministro Pistarini

mar. 3/17

10:25 pm-12:39 pm

1 stop15h 14m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

sáb. 2/28

7:51 pm-10:15 am

1 stop36h 24m

Buenos Aires Ministro Pistarini

mié. 5/20

8:10 pm-9:10 am

1 stop14h 00m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

sáb. 2/28

7:51 pm-10:15 am

1 stop36h 24m

Buenos Aires Ministro Pistarini

jue. 5/21

8:10 pm-9:10 am

1 stop14h 00m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

mié. 1/21

3:25 pm-7:57 am

1 stop14h 32m

Buenos Aires Ministro Pistarini

vie. 1/30

9:16 am-3:13 am

1 stop19h 57m

$648

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

mié. 3/11

4:45 pm-7:55 am

1 stop14h 10m

Buenos Aires Ministro Pistarini

mar. 3/31

2:21 am-3:17 pm

1 stop13h 56m

$653

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

vie. 4/3

9:32 am-4:30 am

1 stop17h 58m

Buenos Aires Ministro Pistarini

jue. 4/30

2:57 pm-4:22 am

1 stop14h 25m

$663

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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 February is currently the most expensive (average of $821). 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 diciembre 15, 2025.

It’s typically best to fly out from Maryland to Buenos Aires at noon. Doing so could potentially save you 14% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Maryland to Buenos Aires?

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 14h 10m. Delta provides one of the quickest options available for as low as $653. 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?

    The most popular flight routes from Maryland to Buenos Aires are Washington, D.C. Dulles Intl - Buenos Aires Ministro Pistarini, Baltimore/Washington - Buenos Aires Ministro Pistarini and Washington, D.C. Reagan-National - 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, 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 February is currently the most expensive (average of $821). 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.
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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 diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LATAM AirlinesCheapest$278Average$811FlexibilityNo cancel feeOn-time81%
DeltaCheapest$609Average$848FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$629Average$755FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$653Average$1,132FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$687Average$818FlexibilityNo cancel feeOn-time70%

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