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Cheap flights from Baltimore to Buenos Aires from $258

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 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Baltimore to Buenos Aires

Cheap round-trip flights

LATAM Airlines Logo
6:22 pm - 4:00 pmBWI-AEP
20h 38m2 stops
LATAM Airlines Logo
5:15 pm - 12:36 pmAEP-BWI
21h 21m2 stops
$605LATAM Airlines
Find Deal
Thu, Oct 30 - Tue, Nov 4
Delta Logo
4:49 pm - 9:00 amBWI-EZE
14h 11m1 stop
Delta Logo
8:55 pm - 9:22 amEZE-BWI
14h 27m1 stop
$605Delta
Find Deal
Tue, Nov 18 - Tue, Nov 25
Delta Logo
1:41 pm - 10:15 amBWI-EZE
19h 34m2 stops
Delta Logo
8:55 pm - 3:39 pmEZE-BWI
20h 44m1 stop
$610Delta
Find Deal
Wed, Oct 29 - Wed, Nov 5
American Airlines Logo
5:21 pm - 9:00 amBWI-EZE
13h 39m1 stop
American Airlines Logo
11:20 pm - 1:03 pmEZE-BWI
15h 43m2 stops
$628American Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
LATAM Airlines Logo
7:05 am - 1:55 pmBWI-EZE
29h 50m2 stops
LATAM Airlines Logo
3:55 pm - 9:13 amEZE-BWI
42h 18m2 stops
$635LATAM Airlines
Find Deal
Sun, Oct 19 - Sun, Oct 26
American Airlines Logo
3:23 pm - 8:10 amBWI-EZE
14h 47m1 stop
American Airlines Logo
10:25 pm - 2:27 pmEZE-BWI
18h 02m1 stop
$637American Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
United Airlines Logo
6:00 am - 9:20 amBWI-EZE
25h 20m1 stop
United Airlines Logo
10:05 pm - 11:32 amEZE-BWI
15h 27m1 stop
$639United Airlines
Find Deal
Tue, Nov 18 - Tue, Nov 25
United Airlines Logo
6:16 pm - 7:20 amBWI-EZE
35h 04m1 stop
United Airlines Logo
10:05 pm - 11:32 amEZE-BWI
15h 27m1 stop
$648United Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Copa Airlines Logo
4:49 pm - 10:08 pmBWI-EZE
28h 19m1 stop
Copa Airlines Logo
2:32 pm - 3:08 pmEZE-BWI
25h 36m1 stop
$658Copa Airlines
Find Deal
Sun, Oct 5 - Sat, Oct 18
Copa Airlines Logo
4:49 pm - 12:34 amBWI-EZE
30h 45m1 stop
Copa Airlines Logo
2:14 am - 3:08 pmEZE-BWI
13h 54m1 stop
$659Copa Airlines
Find Deal
Wed, Oct 8 - Sun, Oct 12

Copa Airlines flights from Baltimore to Buenos Aires

Our best Copa Airlines deals on Baltimore to Buenos Aires flight tickets
Copa Airlines
Oct 5
BWI4:49 pmBaltimore/Washington
34h 09m
1 stop
EZE3:58 amBuenos Aires Ministro Pistarini
Oct 18
EZE2:32 pmBuenos Aires Ministro Pistarini
25h 36m
1 stop
BWI3:08 pmBaltimore/Washington
$656
Find similar
Copa Airlines
Oct 5
BWI4:49 pmBaltimore/Washington
28h 19m
1 stop
EZE10:08 pmBuenos Aires Ministro Pistarini
Oct 18
EZE2:32 pmBuenos Aires Ministro Pistarini
25h 36m
1 stop
BWI3:08 pmBaltimore/Washington
$658
Find similar
Copa Airlines
Oct 8
BWI4:49 pmBaltimore/Washington
30h 45m
1 stop
EZE12:34 amBuenos Aires Ministro Pistarini
Oct 12
EZE2:14 amBuenos Aires Ministro Pistarini
13h 54m
1 stop
BWI3:08 pmBaltimore/Washington
$659
Find similar

Delta flights from Baltimore to Buenos Aires

Our best Delta deals on Baltimore to Buenos Aires flight tickets
Delta
Oct 6
BWI6:22 pmBaltimore/Washington
18h 33m
2 stops
EZE1:55 pmBuenos Aires Ministro Pistarini
Oct 21
EZE8:10 pmBuenos Aires Ministro Pistarini
20h 29m
1 stop
BWI3:39 pmBaltimore/Washington
$605
Find similar
Delta
Oct 29
BWI1:41 pmBaltimore/Washington
19h 34m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Nov 5
EZE8:55 pmBuenos Aires Ministro Pistarini
20h 44m
1 stop
BWI3:39 pmBaltimore/Washington
$610
Find similar
Delta
Oct 6
BWI6:22 pmBaltimore/Washington
18h 33m
2 stops
EZE1:55 pmBuenos Aires Ministro Pistarini
Oct 21
EZE8:10 pmBuenos Aires Ministro Pistarini
16h 11m
1 stop
BWI11:21 amBaltimore/Washington
$645
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 September 23, 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 - AEP

BWIAEP

Baltimore/Washington

Thu 10/30

6:22 pm-4:00 pm

2 stops20h 38m

Buenos Aires Jorge Newbery

Tue 11/4

5:15 pm-12:36 pm

2 stops21h 21m

$605

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 11/18

4:49 pm-9:00 am

1 stop14h 11m

Buenos Aires Ministro Pistarini

Tue 11/25

8:55 pm-9:22 am

1 stop14h 27m

$605

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 10/29

1:41 pm-10:15 am

2 stops19h 34m

Buenos Aires Ministro Pistarini

Wed 11/5

8:55 pm-3:39 pm

1 stop20h 44m

$610

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 11/5

5:21 pm-9:00 am

1 stop13h 39m

Buenos Aires Ministro Pistarini

Wed 11/12

11:20 pm-1:03 pm

2 stops15h 43m

$628

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 10/19

7:05 am-1:55 pm

2 stops29h 50m

Buenos Aires Ministro Pistarini

Sun 10/26

3:55 pm-9:13 am

2 stops42h 18m

$635

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 11/5

3:23 pm-8:10 am

1 stop14h 47m

Buenos Aires Ministro Pistarini

Wed 11/12

10:25 pm-2:27 pm

1 stop18h 02m

$637

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Tue 11/18

6:00 am-9:20 am

1 stop25h 20m

Buenos Aires Ministro Pistarini

Tue 11/25

10:05 pm-11:32 am

1 stop15h 27m

$639

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 11/5

6:16 pm-7:20 am

1 stop35h 04m

Buenos Aires Ministro Pistarini

Wed 11/12

10:05 pm-11:32 am

1 stop15h 27m

$648

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Sun 10/5

4:49 pm-10:08 pm

1 stop28h 19m

Buenos Aires Ministro Pistarini

Sat 10/18

2:32 pm-3:08 pm

1 stop25h 36m

$658

BaltimoreBuenos Aires

BWI - EZE

BWIEZE

Baltimore/Washington

Wed 10/8

4:49 pm-12:34 am

1 stop30h 45m

Buenos Aires Ministro Pistarini

Sun 10/12

2:14 am-3:08 pm

1 stop13h 54m

$659

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 October. Flight prices, which tend to average around $708, 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 September instead. Flights to Buenos Aires in September, while not as cheap as those in October, still average around $799.

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.

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,034 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Baltimore for as low as $817 on momondo.

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

You could potentially save up to 21% 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

Direct flights

None
There are no direct flights from Baltimore to Buenos Aires. There are no popular flight routes from Baltimore to Buenos Aires.
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  • 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 00m, 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
United AirlinesPriceFrom $629Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $629Free CancellationRating
7.9
7,974 reviews
Search Delta flights
American AirlinesPriceFrom $653Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $688Free CancellationRating
7.6
1,536 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