Buenos Aires

$301+ Cheap flights from Baltimore (BWI) to Buenos Aires (BUE)

BWI — BUE
Dec 13 — Dec 201
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Buenos Aires with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Baltimore to Buenos Aires

Cheapest flights from Baltimore to Buenos Aires

Wed 12/23:42 pm -
1 stop31h 10m
Thu 12/109:10 am -
1 stop31h 06m
Deal found 11/9$556
Sun 11/1511:51 am -
1 stop17h 29m
Tue 11/2411:00 pm -
1 stop14h 00m
Deal found 11/13$568
Sat 12/57:12 pm -
1 stop12h 48m
Sat 12/129:20 pm -
2 stops17h 08m
Deal found 11/9$572
Mon 12/77:12 pm -
1 stop12h 58m
Mon 12/1410:50 pm -
1 stop18h 26m
Deal found 11/9$578
Mon 12/73:42 pm -
1 stop14h 18m
Fri 12/119:10 am -
1 stop31h 06m
Deal found 11/9$584
Wed 12/93:42 pm -
1 stop31h 10m
Fri 12/112:45 pm -
1 stop25h 31m
Deal found 11/11$588
Sun 11/153:43 pm -
1 stop31h 09m
Tue 11/249:10 am -
1 stop31h 04m
Deal found 11/9$624
Sun 11/293:43 pm -
1 stop34h 42m
Tue 12/19:10 am -
1 stop31h 06m
Deal found 11/9$629
Sun 11/224:50 pm -
1 stop12h 45m
Wed 12/29:30 pm -
1 stop23h 27m
Deal found 11/9$633
Mon 11/234:30 pm -
1 stop14h 50m
Wed 12/211:55 pm -
1 stop18h 22m
Deal found 11/9$637
Mon 11/304:30 pm -
1 stop14h 50m
Wed 12/911:55 pm -
1 stop18h 22m
Deal found 11/12$638
Mon 11/307:08 am -
2 stops23h 22m
Wed 12/98:05 pm -
2 stops18h 49m
Deal found 11/12$927

Find flight deals from Baltimore to Buenos Aires

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$556
(Copa Airlines)

One-way from

$301
(United Airlines)

Popular in

January

Cheapest in

April

Average price

$721
Provider with most accurate pricing for Baltimore/Washington-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for Baltimore/Washington-Buenos Aires (BUE) flights.
From Baltimore/Washington to Buenos Aires (BUE)
One-way flight from Baltimore/Washington to Buenos Aires (BUE)
Highest demand for flights based on searches. 7% potential increase in price ($77 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Baltimore to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Wed 12/2

6:00 am-7:20 am

1 stop23h 20m

Buenos Aires Ministro Pistarini

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$301

BaltimoreBuenos Aires

BWI Baltimore/Washington - AEP Buenos Aires Jorge Newbery

BWIAEP

Baltimore/Washington

Mon 3/8

12:15 pm-2:00 pm

2 stops23h 45m

Buenos Aires Jorge Newbery

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$305

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Tue 1/12

10:10 am-9:40 am

1 stop21h 30m

Buenos Aires Ministro Pistarini

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$305

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Fri 12/11

10:29 am-7:35 am

1 stop19h 06m

Buenos Aires Ministro Pistarini

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$305

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Wed 12/30

4:17 pm-9:20 am

1 stop15h 03m

Buenos Aires Ministro Pistarini

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$305

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Sun 2/21

1:16 pm-9:40 am

1 stop18h 24m

Buenos Aires Ministro Pistarini

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$305

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Thu 3/11

12:15 pm-9:50 am

2 stops19h 35m

Buenos Aires Ministro Pistarini

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$305
Quickest round-trip

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Mon 11/30

6:29 pm-9:40 am

1 stop13h 11m

Buenos Aires Ministro Pistarini

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$305

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Tue 12/1

4:20 pm-9:20 am

1 stop15h 00m

Buenos Aires Ministro Pistarini

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$305

BaltimoreBuenos Aires

BWI Baltimore/Washington - EZE Buenos Aires Ministro Pistarini

BWIEZE

Baltimore/Washington

Wed 12/9

10:29 am-7:35 am

1 stop19h 06m

Buenos Aires Ministro Pistarini

Wed 12/31

12:00 am-10:00 pm

Nonstop0h 00m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

Compare providers for flights from Baltimore to Buenos Aires

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 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

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, February is the cheapest month in which you can book a flight from Baltimore to Buenos Aires (average of $553). Flying from Baltimore to Buenos Aires in July is currently the most expensive (average of $1,485). 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

Read reviews from past customers who have flown Delta,Copa Airlines, andLATAM 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.

Boarding

8.1

Overall

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Boarding

8.1

Overall

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Boarding

8.1

Overall

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Boarding

8.1

Overall

7.8

Food

7.2

Crew

8.5

Entertainment

7.8

Comfort

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • 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 United Airlines, LATAM Airlines, and Delta fly from Baltimore to Buenos Aires in about 18h 25m. The time it takes to get you to your destination can typically vary by up to 16h 05m. The distance between Baltimore and Buenos Aires is about 5223 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 ($315), United Airlines ($328), and LATAM Airlines ($368) offers the cheapest pricing from Baltimore to Buenos Aires. Delta is 64% 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, February is the cheapest month in which you can book a flight from Baltimore to Buenos Aires (average of $553). Flying from Baltimore to Buenos Aires in July is currently the most expensive (average of $1,485). 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

Alternative routes for Baltimore to Buenos Aires

Top 5 airlines flying from Baltimore to Buenos Aires

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$315Average$763FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$328Average$385FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$368Average$762FlexibilityNo cancel feeOn-time81%
Copa AirlinesCheapest$395Average$397FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$689Average$864FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.