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Cheap flights from Baltimore to Buenos Aires from $252

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Buenos Aires departing on 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Baltimore to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:09 am - 7:10 am
BWI
-
EZE
19h 01m1 stop
American Airlines Logo
10:25 pm - 2:49 pm
EZE
-
BWI
18h 24m1 stop
$600American Airlines
Tue, Jan 20 - Tue, Feb 10
American Airlines Logo
9:17 am - 7:10 am
BWI
-
EZE
19h 53m2 stops
American Airlines Logo
10:25 pm - 5:52 pm
EZE
-
BWI
21h 27m2 stops
$604American Airlines
Tue, Jan 20 - Tue, Feb 10
American Airlines Logo
6:36 pm - 10:10 am
BWI
-
EZE
13h 34m1 stop
American Airlines Logo
10:10 am - 9:19 am
EZE
-
BWI
25h 09m1 stop
$608American Airlines
Fri, Jan 23 - Sun, Feb 8
American Airlines Logo
9:17 am - 8:15 am
BWI
-
EZE
20h 58m2 stops
American Airlines Logo
10:25 pm - 11:10 pm
EZE
-
BWI
26h 45m1 stop
$612American Airlines
Fri, Jan 23 - Sun, Feb 8
Copa Airlines Logo
3:37 pm - 7:57 am
BWI
-
EZE
14h 20m1 stop
Copa Airlines Logo
9:16 am - 2:10 pm
EZE
-
BWI
30h 54m1 stop
$618Copa Airlines
Tue, Jan 27 - Tue, Feb 3
Copa Airlines Logo
4:45 pm - 7:55 am
BWI
-
EZE
14h 10m1 stop
Copa Airlines Logo
2:21 am - 3:17 pm
EZE
-
BWI
13h 56m1 stop
$653Copa Airlines
Wed, Mar 11 - Tue, Mar 31
United Airlines Logo
3:52 pm - 9:20 am
BWI
-
EZE
15h 28m1 stop
United Airlines Logo
10:05 pm - 11:20 am
EZE
-
BWI
15h 15m1 stop
$670United Airlines
Wed, Jan 28 - Wed, Feb 4
LATAM Airlines Logo
1:02 pm - 10:15 am
BWI
-
EZE
19h 13m2 stops
LATAM Airlines Logo
10:25 pm - 5:46 pm
EZE
-
BWI
21h 21m2 stops
$676LATAM Airlines
Tue, Jan 27 - Tue, Feb 3
Multiple Airlines Logo
3:37 pm - 7:57 am
BWI
-
EZE
14h 20m1 stop
Multiple Airlines Logo
4:55 pm - 10:51 am
EZE
-
BWI
19h 56m2 stops
$677Multiple Airlines
Tue, Jan 13 - Wed, Feb 25
LATAM Airlines Logo
7:28 am - 7:55 am
BWI
-
AEP
23h 27m2 stops
LATAM Airlines Logo
10:35 am - 8:27 pm
AEP
-
BWI
34h 52m2 stops
$680LATAM Airlines
Mon, Mar 9 - Wed, Mar 11

American Airlines flights from Baltimore to Buenos Aires

Our best American Airlines deals on Baltimore to Buenos Aires flight tickets
American Airlines
Jan 20
BWI10:09 amBaltimore/Washington
19h 01m
1 stop
EZE7:10 amBuenos Aires Ministro Pistarini
Feb 10
EZE10:25 pmBuenos Aires Ministro Pistarini
18h 24m
1 stop
BWI2:49 pmBaltimore/Washington
$600
Find similar
American Airlines
Jan 20
BWI11:13 amBaltimore/Washington
19h 57m
2 stops
EZE9:10 amBuenos Aires Ministro Pistarini
Feb 10
EZE10:25 pmBuenos Aires Ministro Pistarini
18h 24m
1 stop
BWI2:49 pmBaltimore/Washington
$604
Find similar
American Airlines
Jan 23
BWI6:36 pmBaltimore/Washington
13h 34m
1 stop
EZE10:10 amBuenos Aires Ministro Pistarini
Feb 8
EZE10:10 amBuenos Aires Ministro Pistarini
25h 09m
1 stop
BWI9:19 amBaltimore/Washington
$608
Find similar

Copa Airlines flights from Baltimore to Buenos Aires

Our best Copa Airlines deals on Baltimore to Buenos Aires flight tickets
Copa Airlines
Jan 27
BWI3:37 pmBaltimore/Washington
14h 20m
1 stop
EZE7:57 amBuenos Aires Ministro Pistarini
Feb 3
EZE9:16 amBuenos Aires Ministro Pistarini
30h 54m
1 stop
BWI2:10 pmBaltimore/Washington
$618
Find similar
Copa Airlines
Mar 11
BWI4:45 pmBaltimore/Washington
14h 10m
1 stop
EZE7:55 amBuenos Aires Ministro Pistarini
Mar 31
EZE2:21 amBuenos Aires Ministro Pistarini
13h 56m
1 stop
BWI3:17 pmBaltimore/Washington
$653
Find similar
Copa Airlines
Jan 24
BWI3:37 pmBaltimore/Washington
14h 20m
1 stop
EZE7:57 amBuenos Aires Ministro Pistarini
Feb 7
EZE2:27 amBuenos Aires Ministro Pistarini
13h 43m
1 stop
BWI2:10 pmBaltimore/Washington
$663
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 15, 2025.
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

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 1/20

10:09 am-7:10 am

1 stop19h 01m

Buenos Aires Ministro Pistarini

Tue 2/10

10:25 pm-2:49 pm

1 stop18h 24m

$600

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 1/20

9:17 am-7:10 am

2 stops19h 53m

Buenos Aires Ministro Pistarini

Tue 2/10

10:25 pm-5:52 pm

2 stops21h 27m

$604

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Fri 1/23

6:36 pm-10:10 am

1 stop13h 34m

Buenos Aires Ministro Pistarini

Sun 2/8

10:10 am-9:19 am

1 stop25h 09m

$608

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Fri 1/23

9:17 am-8:15 am

2 stops20h 58m

Buenos Aires Ministro Pistarini

Sun 2/8

10:25 pm-11:10 pm

1 stop26h 45m

$612

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 1/27

3:37 pm-7:57 am

1 stop14h 20m

Buenos Aires Ministro Pistarini

Tue 2/3

9:16 am-2:10 pm

1 stop30h 54m

$618

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

$653

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 1/28

3:52 pm-9:20 am

1 stop15h 28m

Buenos Aires Ministro Pistarini

Wed 2/4

10:05 pm-11:20 am

1 stop15h 15m

$670

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 1/27

1:02 pm-10:15 am

2 stops19h 13m

Buenos Aires Ministro Pistarini

Tue 2/3

10:25 pm-5:46 pm

2 stops21h 21m

$676

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 1/13

3:37 pm-7:57 am

1 stop14h 20m

Buenos Aires Ministro Pistarini

Wed 2/25

4:55 pm-10:51 am

2 stops19h 56m

$677

BaltimoreBuenos Aires

BWI - AEP

BWIAEP

Baltimore/Washington

Mon 3/9

7:28 am-7:55 am

2 stops23h 27m

Buenos Aires Jorge Newbery

Wed 3/11

10:35 am-8:27 pm

2 stops34h 52m

$680

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Baltimore to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Baltimore and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Baltimore is in October. Flight prices, which tend to average around $703, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Buenos Aires from Baltimore during November instead. Flights to Buenos Aires in November, while not as cheap as those in October, still average around $785.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Baltimore is on a Monday. momondo users have found tickets for Monday departures for as low as $1,031. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $1,094.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is in the morning. Flights from Baltimore to Buenos Aires during this time can be as low as $969. Try not to purchase tickets at noon because they tend to be around $1,107. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Baltimore to Buenos Aires flights?

You could potentially save up to 1% on your flight if you consider stops on a Baltimore to Buenos Aires flight.

When to book flights from Baltimore to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Buenos Aires (BWI to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Buenos Aires

Fastest flight time

13h 46m

Direct flights

None
The fastest flight from Baltimore to Buenos Aires takes 13h 46m
There are no direct flights from Baltimore to Buenos Aires. There are no popular flight routes from Baltimore to Buenos Aires.
Search flight deals

  • How far is Baltimore/Washington to Buenos Aires by plane?

    The straight-line distance from Baltimore/Washington to Buenos Aires is 5233.8 mi. Flights usually cover this in 13h 46m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Buenos Aires?

    Prices for flights from Baltimore/Washington Airport to Buenos Aires are refreshed on a daily basis.

  • How many operators does momondo search for flights from Baltimore/Washington Airport to Buenos Aires?

  • How old do you have to be to fly from Baltimore/Washington Airport to Buenos Aires?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Buenos Aires.

  • What documentation or ID do you need to fly to Buenos Aires?

    The necessary travel and health documents for your Buenos Aires trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Baltimore to Buenos Aires?

Best airlines flying from Baltimore to Buenos Aires

Compare and see reviews for airlines that fly from Baltimore to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom $278Free CancellationRating
7.5
1,892 reviews
Search LATAM Airlines flights
DeltaPriceFrom $609Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $629Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $653Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $687Free CancellationRating
7.6
1,557 reviews
Search Copa Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Buenos Aires?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Baltimore to Buenos Aires. momondo saves you time and could save you money on your trip.

Can I find flights from Baltimore to Buenos Aires with flexible booking policies on momondo?

Flights from Baltimore to Buenos Aires with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Baltimore to Buenos Aires?

momondo helps you find the best flight between Baltimore and Buenos Aires by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Baltimore to Buenos Aires right now. Can momondo alert me if prices change?

Price alerts on flights to Buenos Aires from Baltimore are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Buenos Aires trip

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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport