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Buenos Aires

$262+ Cheap flights from Baltimore (BWI) 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BUE
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Baltimore to Buenos Aires

Cheapest flights from Baltimore to Buenos Aires
Explore the most affordable flight options available from Baltimore to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

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 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 KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/23:52 pm
BWI
-
EZE
1 stop15h 28m
Multiple Airlines
Mon 2/910:05 pm
EZE
-
BWI
1 stop15h 15m
Multiple Airlines
Deal found 1/27$618
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.
Sun 2/18:07 am
BWI
-
EZE
1 stop21h 13m
United Airlines
Wed 2/2510:05 pm
EZE
-
BWI
1 stop15h 25m
United Airlines
Deal found 1/26$621
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/22:46 pm
BWI
-
EZE
2 stops17h 54m
American Airlines
Thu 2/510:25 pm
EZE
-
BWI
1 stop18h 24m
American Airlines
Deal found 1/26$625
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:49 pm
BWI
-
EZE
1 stop14h 06m
Copa Airlines
Sat 4/182:21 am
EZE
-
BWI
1 stop13h 56m
Copa Airlines
Deal found 1/26$631
This Rumbo 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/13:45 pm
BWI
-
EZE
1 stop14h 12m
Copa Airlines
Fri 2/1312:19 am
EZE
-
BWI
1 stop15h 51m
Copa Airlines
Deal found 1/28$632
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/23:45 pm
BWI
-
EZE
1 stop14h 10m
Copa Airlines
Tue 3/172:31 am
EZE
-
BWI
1 stop13h 40m
Copa Airlines
Deal found 1/25$643
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:45 pm
BWI
-
EZE
1 stop14h 15m
LATAM Airlines
Wed 3/118:55 pm
EZE
-
BWI
1 stop17h 36m
LATAM Airlines
Deal found 1/27$646
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:59 pm
BWI
-
AEP
2 stops18h 51m
LATAM Airlines
Wed 4/158:05 pm
AEP
-
BWI
2 stops18h 15m
LATAM Airlines
Deal found 1/27$647
This LATAM 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/94:45 pm
BWI
-
EZE
1 stop14h 15m
LATAM Airlines
Thu 2/197:45 am
EZE
-
BWI
2 stops18h 50m
LATAM Airlines
Deal found 1/26$647
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/13:45 pm
BWI
-
EZE
1 stop14h 12m
Multiple Airlines
Sat 2/75:35 am
EZE
-
BWI
2 stops29h 11m
Multiple Airlines
Deal found 1/26$648

Find flight deals from Baltimore to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$609
(Copa Airlines)

One-way from

$262
(Flightnetwork)

Popular in

January

Cheapest in

March

Average price

$1,376
Provider with most accurate pricing for Baltimore/Washington-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-Buenos Aires (BUE) flights.
Search Deals
From Baltimore/Washington to Buenos Aires (BUE)
Search Deals
One-way flight from Baltimore/Washington to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 Baltimore to Buenos Aires that are best for you.

Fly from

Baltimore

Fly to

Buenos Aires

Route

Depart

Return

Price

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

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 2/23

4:05 pm-9:20 am

1 stop15h 15m

Buenos Aires Ministro Pistarini

Thu 3/5

11:55 pm-10:30 pm

1 stop24h 35m

$621

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 2/24

6:07 am-7:20 am

1 stop23h 13m

Buenos Aires Ministro Pistarini

Tue 3/3

11:55 pm-4:10 pm

1 stop18h 15m

$621

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 3/1

6:07 am-7:20 am

1 stop23h 13m

Buenos Aires Ministro Pistarini

Thu 3/5

10:05 pm-3:58 pm

1 stop19h 53m

$621

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 3/2

12:37 pm-9:20 am

1 stop18h 43m

Buenos Aires Ministro Pistarini

Thu 3/19

10:55 pm-3:58 pm

1 stop18h 03m

$621

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 2/24

12:37 pm-7:20 am

1 stop16h 43m

Buenos Aires Ministro Pistarini

Thu 3/5

10:05 pm-3:58 pm

1 stop19h 53m

$621

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 2/23

4:05 pm-9:20 am

1 stop15h 15m

Buenos Aires Ministro Pistarini

Tue 3/10

9:05 pm-11:30 am

1 stop15h 25m

$621

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 2/9

8:07 am-7:20 am

1 stop21h 13m

Buenos Aires Ministro Pistarini

Thu 2/19

11:55 pm-4:10 pm

1 stop18h 15m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 42 results
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Compare providers for flights from Baltimore to Buenos Aires

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Buenos Aires in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Buenos Aires flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Buenos Aires flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Buenos Aires flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Buenos Aires flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Baltimore to Buenos Aires

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

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

Currently, March is the cheapest month in which you can book a flight from Baltimore to Buenos Aires (average of $278). Flying from Baltimore to Buenos Aires in June is currently the most expensive (average of $649). 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.

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 January 28, 2026.
Read reviews from past customers who have flown Delta, LATAM Airlines, and Copa Airlines from Baltimore to Buenos Aires. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,123 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,123 reviews
Delta
7.9
Good
8,123 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
LATAM Airlines
7.5
Good
1,915 reviews
Delta
7.9
Good
8,123 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.5
Good
1,560 reviews
Delta
7.9
Good
8,123 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,209 reviews
Delta
7.9
Good
8,123 reviews

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Baltimore 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 airport do you fly from for flights from Baltimore to Buenos Aires?

    Located just 8.5 mi from the city center, Baltimore/Washington is the airport most travelers will use when flying to Buenos Aires from Baltimore. Booking flights from Baltimore/Washington (BWI) to Buenos Aires should be relatively easy as there are 0 daily outbound flights to Buenos Aires from 5 different airlines.

  • How long is the flight from Baltimore to Buenos Aires?

    Airlines like Copa Airlines, United Airlines, and LATAM Airlines fly from Baltimore to Buenos Aires in about 14h 06m. The time it takes to get you to your destination can typically vary by up to 11h 53m. The distance between Baltimore and Buenos Aires is about 5239 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Baltimore to Buenos Aires round-trip?

    According to our current data, Delta ($278), LATAM Airlines ($278), and Copa Airlines ($356) offers the cheapest pricing from Baltimore to Buenos Aires. Delta is 71% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Baltimore to Buenos Aires (average of $278). Flying from Baltimore to Buenos Aires in June is currently the most expensive (average of $649). 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 Baltimore 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 Baltimore to Buenos Aires

Discover the top 5 airlines that operate flights from Baltimore 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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