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Cheap flights from Baltimore to Buenos Aires from $298

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 8/26. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Baltimore to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:15 pm - 9:20 am
BWI
-
EZE
15h 05m
1 stop
United Airlines Logo
10:05 pm - 4:25 pm
EZE
-
BWI
20h 20m
1 stop
$667United Airlines
Sun, Jan 24 - Wed, Feb 10
United Airlines Logo
12:25 pm - 9:20 am
BWI
-
EZE
18h 55m
1 stop
United Airlines Logo
10:05 pm - 11:20 am
EZE
-
BWI
15h 15m
1 stop
$667United Airlines
Sun, Jan 24 - Sun, Feb 7
American Airlines Logo
6:52 pm - 8:45 am
BWI
-
EZE
12h 53m
1 stop
American Airlines Logo
11:35 pm - 9:53 pm
EZE
-
BWI
23h 18m
1 stop
$688American Airlines
Wed, Aug 19 - Mon, Aug 31
LATAM Airlines Logo
4:39 pm - 7:35 am
BWI
-
EZE
12h 56m
1 stop
LATAM Airlines Logo
7:20 am - 10:37 pm
EZE
-
BWI
17h 17m
2 stops
$690LATAM Airlines
Sat, Jan 16 - Mon, Jan 25
American Airlines Logo
11:51 am - 10:15 am
BWI
-
EZE
20h 24m
1 stop
American Airlines Logo
11:35 pm - 4:34 pm
EZE
-
BWI
18h 59m
1 stop
$690American Airlines
Sun, Nov 29 - Thu, Dec 10
Copa Airlines Logo
4:44 pm - 7:57 am
BWI
-
EZE
14h 13m
1 stop
Copa Airlines Logo
2:17 am - 3:15 pm
EZE
-
BWI
13h 58m
1 stop
$697Copa Airlines
Fri, Aug 28 - Thu, Sep 3
Multiple Airlines Logo
5:00 pm - 9:45 am
BWI
-
EZE
15h 45m
1 stop
Multiple Airlines Logo
8:10 pm - 9:16 am
EZE
-
BWI
14h 06m
1 stop
$700Multiple Airlines
Sat, Sep 5 - Sat, Sep 26
LATAM Airlines Logo
4:45 pm - 9:40 am
BWI
-
EZE
15h 55m
2 stops
LATAM Airlines Logo
7:20 am - 12:51 am
EZE
-
BWI
18h 31m
2 stops
$701LATAM Airlines
Wed, Oct 7 - Tue, Oct 27
Copa Airlines Logo
3:43 pm - 9:33 pm
BWI
-
EZE
27h 50m
1 stop
Copa Airlines Logo
2:02 am - 2:14 pm
EZE
-
BWI
14h 12m
1 stop
$706Copa Airlines
Fri, Nov 6 - Tue, Nov 17
Multiple Airlines Logo
7:27 pm - 3:00 am
BWI
-
EZE
30h 33m
2 stops
Multiple Airlines Logo
2:17 am - 3:15 pm
EZE
-
BWI
13h 58m
1 stop
$713Multiple Airlines
Mon, Oct 12 - Thu, Oct 15

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American Airlines flights from Baltimore to Buenos Aires

Our best American Airlines deals on Baltimore to Buenos Aires flight tickets
American Airlines
Nov 12
BWI7:22 pmBaltimore/Washington
12h 53m
1 stop
EZE10:15 amBuenos Aires Ministro Pistarini
Nov 15
EZE10:50 pmBuenos Aires Ministro Pistarini
14h 11m
1 stop
BWI11:01 amBaltimore/Washington
$690
American Airlines
Aug 19
BWI11:54 amBaltimore/Washington
19h 51m
2 stops
EZE8:45 amBuenos Aires Ministro Pistarini
Aug 31
EZE11:35 pmBuenos Aires Ministro Pistarini
23h 18m
1 stop
BWI9:53 pmBaltimore/Washington
$692
American Airlines
Aug 19
BWI6:00 amBaltimore/Washington
24h 15m
1 stop
EZE7:15 amBuenos Aires Ministro Pistarini
Aug 31
EZE8:50 pmBuenos Aires Ministro Pistarini
22h 32m
1 stop
BWI6:22 pmBaltimore/Washington
$696

LATAM Airlines flights from Baltimore to Buenos Aires

Our best LATAM Airlines deals on Baltimore to Buenos Aires flight tickets
LATAM Airlines
Sep 1
BWI5:00 pmBaltimore/Washington
15h 40m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
Feb 8
EZE7:20 amBuenos Aires Ministro Pistarini
17h 17m
2 stops
BWI10:37 pmBaltimore/Washington
$701
LATAM Airlines
Dec 2
BWI6:10 pmBaltimore/Washington
13h 30m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
Dec 24
EZE11:35 pmBuenos Aires Ministro Pistarini
22h 36m
1 stop
BWI8:11 pmBaltimore/Washington
$720
LATAM Airlines
Aug 18
BWI2:18 pmBaltimore/Washington
19h 12m
2 stops
AEP10:30 amBuenos Aires Jorge Newbery
Aug 28
AEP9:25 amBuenos Aires Jorge Newbery
25h 33m
2 stops
BWI9:58 amBaltimore/Washington
$722

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 August 4, 2026.
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 - EZE

BWIEZE

Baltimore/Washington

Sun 1/24

4:15 pm-9:20 am

1 stop15h 05m

Buenos Aires Ministro Pistarini

Wed 2/10

10:05 pm-4:25 pm

1 stop20h 20m

$667

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 1/24

12:25 pm-9:20 am

1 stop18h 55m

Buenos Aires Ministro Pistarini

Sun 2/7

10:05 pm-11:20 am

1 stop15h 15m

$667

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 8/19

6:52 pm-8:45 am

1 stop12h 53m

Buenos Aires Ministro Pistarini

Mon 8/31

11:35 pm-9:53 pm

1 stop23h 18m

$688

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sat 1/16

4:39 pm-7:35 am

1 stop12h 56m

Buenos Aires Ministro Pistarini

Mon 1/25

7:20 am-10:37 pm

2 stops17h 17m

$690

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 11/29

11:51 am-10:15 am

1 stop20h 24m

Buenos Aires Ministro Pistarini

Thu 12/10

11:35 pm-4:34 pm

1 stop18h 59m

$690
Quickest round-trip

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Fri 8/28

4:44 pm-7:57 am

1 stop14h 13m

Buenos Aires Ministro Pistarini

Thu 9/3

2:17 am-3:15 pm

1 stop13h 58m

$697

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sat 9/5

5:00 pm-9:45 am

1 stop15h 45m

Buenos Aires Ministro Pistarini

Sat 9/26

8:10 pm-9:16 am

1 stop14h 06m

$700

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 10/7

4:45 pm-9:40 am

2 stops15h 55m

Buenos Aires Ministro Pistarini

Tue 10/27

7:20 am-12:51 am

2 stops18h 31m

$701

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Fri 11/6

3:43 pm-9:33 pm

1 stop27h 50m

Buenos Aires Ministro Pistarini

Tue 11/17

2:02 am-2:14 pm

1 stop14h 12m

$706

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Mon 10/12

7:27 pm-3:00 am

2 stops30h 33m

Buenos Aires Ministro Pistarini

Thu 10/15

2:17 am-3:15 pm

1 stop13h 58m

$713

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 cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Baltimore is in February. Flight prices, which tend to average around $676, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Buenos Aires from Baltimore during March instead. Flights to Buenos Aires in March, while not as cheap as those in February, still average around $678.

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

You could potentially save up to 11% 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

12h 49m

Direct flights

None
The fastest flight from Baltimore to Buenos Aires takes 12h 49m
There are no direct flights from Baltimore to Buenos Aires. There are no popular flight routes from Baltimore to Buenos Aires.
Search flight deals

Frequently asked questions about flying from Baltimore to Buenos Aires

  • 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 12h 49m, 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
7.4
1,968 reviews
Search LATAM Airlines flights
DeltaPriceFrom $278Free CancellationRating
7.8
8,482 reviews
Search Delta flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
10,059 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $336Free CancellationRating
7.6
1,564 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $720Free CancellationRating
7.1
11,845 reviews
Search American 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