Cheap flights from the United States to Buenos Aires from $240

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Buenos Aires departing on 3/19. 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 the United States to Buenos Aires

Recent round-trip flight deals from the United States to Buenos Aires

Enter your travel dates to find the best prices.
Copa Airlines Logo
9:32 am - 4:30 am
IAD
-
EZE
17h 58m1 stop
Copa Airlines Logo
2:57 pm - 4:22 am
EZE
-
IAD
14h 25m1 stop
$628Copa Airlines
Thu, Apr 16 - Mon, Apr 20
Avianca Logo
4:15 pm - 12:35 am
IAD
-
EZE
30h 20m2 stops
Avianca Logo
4:55 pm - 4:55 pm
EZE
-
IAD
26h 00m2 stops
$630Avianca
Wed, Jan 28 - Mon, Feb 9
LATAM Airlines Logo
3:21 pm - 9:45 am
IAD
-
EZE
17h 24m1 stop
LATAM Airlines Logo
7:35 am - 12:28 am
EZE
-
IAD
17h 53m2 stops
$636LATAM Airlines
Sat, Apr 18 - Thu, Apr 23
LATAM Airlines Logo
12:40 pm - 7:20 am
IAD
-
EZE
16h 40m1 stop
LATAM Airlines Logo
11:00 am - 11:44 am
EZE
-
IAD
26h 44m2 stops
$640LATAM Airlines
Sun, Feb 1 - Sun, Feb 8
Delta Logo
7:52 pm - 10:15 am
IAD
-
EZE
36h 23m1 stop
Delta Logo
4:05 am - 12:21 am
EZE
-
IAD
22h 16m2 stops
$642Delta
Sat, Feb 28 - Fri, Mar 6
Arajet Logo
12:00 pm - 3:23 am
EWR
-
EZE
14h 23m1 stop
Arajet Logo
11:00 am - 11:30 pm
EZE
-
EWR
13h 30m1 stop
$707Arajet
Fri, Apr 10 - Thu, Apr 16
Arajet Logo
12:00 pm - 3:45 am
EWR
-
EZE
14h 45m1 stop
Arajet Logo
11:20 am - 11:35 pm
EZE
-
EWR
13h 15m1 stop
$736Arajet
Thu, Mar 12 - Sat, Mar 21
Delta Logo
12:25 pm - 9:00 am
JFK
-
EZE
18h 35m1 stop
Delta Logo
10:25 pm - 7:30 am
EZE
-
JFK
11h 05mnonstop
$756Delta
Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
8:10 pm - 7:20 am
LGA
-
EZE
33h 10m1 stop
United Airlines Logo
11:55 pm - 2:35 pm
EZE
-
LGA
16h 40m1 stop
$757United Airlines
Sun, Jan 11 - Tue, Feb 10
United Airlines Logo
2:20 pm - 7:20 am
EWR
-
EZE
15h 00m1 stop
United Airlines Logo
9:05 pm - 2:14 pm
EZE
-
EWR
18h 09m1 stop
$766United Airlines
Wed, Mar 4 - Tue, Mar 17

Avianca flights from United States to Buenos Aires

Our best Avianca deals on United States to Buenos Aires flight tickets
Avianca
Jan 28
IAD4:15 pmWashington, D.C. Dulles Intl
30h 20m
2 stops
EZE12:35 amBuenos Aires Ministro Pistarini
Feb 9
EZE4:55 pmBuenos Aires Ministro Pistarini
26h 00m
2 stops
IAD4:55 pmWashington, D.C. Dulles Intl
Avianca
Feb 27
IAD5:45 amWashington, D.C. Dulles Intl
22h 05m
1 stop
EZE5:50 amBuenos Aires Ministro Pistarini
Mar 6
EZE4:55 pmBuenos Aires Ministro Pistarini
22h 20m
1 stop
IAD1:15 pmWashington, D.C. Dulles Intl
Avianca
Jan 30
IAD5:45 amWashington, D.C. Dulles Intl
16h 50m
1 stop
EZE12:35 amBuenos Aires Ministro Pistarini
Mar 1
EZE4:55 pmBuenos Aires Ministro Pistarini
24h 00m
2 stops
IAD2:55 pmWashington, D.C. Dulles Intl

LATAM Airlines flights from United States to Buenos Aires

Our best LATAM Airlines deals on United States to Buenos Aires flight tickets
LATAM Airlines
Feb 27
IAD10:08 amWashington, D.C. Dulles Intl
20h 52m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 4
EZE8:55 pmBuenos Aires Ministro Pistarini
14h 18m
1 stop
IAD9:13 amWashington, D.C. Dulles Intl
LATAM Airlines
Feb 1
IAD12:23 pmWashington, D.C. Dulles Intl
18h 37m
2 stops
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 1
EZE3:55 pmBuenos Aires Ministro Pistarini
21h 49m
2 stops
IAD11:44 amWashington, D.C. Dulles Intl
LATAM Airlines
Feb 28
IAD7:52 pmWashington, D.C. Dulles Intl
35h 08m
2 stops
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 6
EZE3:55 pmBuenos Aires Ministro Pistarini
21h 40m
2 stops
IAD11:35 amWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from United States 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 23, 2025.
Use the filters below to find and compare flights from the United States to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 4/16

9:32 am-4:30 am

1 stop17h 58m

Buenos Aires Ministro Pistarini

Mon 4/20

2:57 pm-4:22 am

1 stop14h 25m

$628

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Wed 1/28

4:15 pm-12:35 am

2 stops30h 20m

Buenos Aires Ministro Pistarini

Mon 2/9

4:55 pm-4:55 pm

2 stops26h 00m

$630

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 4/18

3:21 pm-9:45 am

1 stop17h 24m

Buenos Aires Ministro Pistarini

Thu 4/23

7:35 am-12:28 am

2 stops17h 53m

$636

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sun 2/1

12:40 pm-7:20 am

1 stop16h 40m

Buenos Aires Ministro Pistarini

Sun 2/8

11:00 am-11:44 am

2 stops26h 44m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 2/28

7:52 pm-10:15 am

1 stop36h 23m

Buenos Aires Ministro Pistarini

Fri 3/6

4:05 am-12:21 am

2 stops22h 16m

$642

NewarkBuenos Aires

EWR - EZE

EWREZE

Newark

Fri 4/10

12:00 pm-3:23 am

1 stop14h 23m

Buenos Aires Ministro Pistarini

Thu 4/16

11:00 am-11:30 pm

1 stop13h 30m

$707

NewarkBuenos Aires

EWR - EZE

EWREZE

Newark

Thu 3/12

12:00 pm-3:45 am

1 stop14h 45m

Buenos Aires Ministro Pistarini

Sat 3/21

11:20 am-11:35 pm

1 stop13h 15m

$736

New YorkBuenos Aires

JFK - EZE

JFKEZE

New York John F Kennedy Intl

Wed 1/14

12:25 pm-9:00 am

1 stop18h 35m

Buenos Aires Ministro Pistarini

Wed 1/21

10:25 pm-7:30 am

Nonstop11h 05m

$756

New YorkBuenos Aires

LGA - EZE

LGAEZE

New York LaGuardia

Sun 1/11

8:10 pm-7:20 am

1 stop33h 10m

Buenos Aires Ministro Pistarini

Tue 2/10

11:55 pm-2:35 pm

1 stop16h 40m

$757

NewarkBuenos Aires

EWR - EZE

EWREZE

Newark

Wed 3/4

2:20 pm-7:20 am

1 stop15h 00m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-2:14 pm

1 stop18h 09m

$766

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from United States 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 United States is in November. Flight prices, which tend to average around $970, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Buenos Aires from United States during March instead. Flights to Buenos Aires in March, while not as cheap as those in November, still average around $997.

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 United States is on a Monday. momondo users have found tickets for Monday departures for as low as $1,110. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Friday is $1,290.

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 evening. Flights from United States to Buenos Aires during this time can be as low as $1,204. Try not to purchase tickets at noon because they tend to be around $1,476. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest United States to Buenos Aires flight route?

Fly from Miami to Buenos Aires Ministro Pistarini for the best United States - Buenos Aires flight prices

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

You are more likely to see cheaper flights to Buenos Aires from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,136 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from United States for as low as $989 on momondo.

What cabin class options are available on United States to Buenos Aires flights?

There are 4 cabin classes available to choose from on United States to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Buenos Aires flights?

No. A direct flight is the cheapest option for a flight between United States to Buenos Aires.

Cheap United States to Buenos Aires flight deals and tips

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

Best Price Found

$264

Fastest flight time

8h 25m

Direct flights

Every day

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from United States in the past 72 hours is $264. The best round-trip flight deal from United States to Buenos Aires found on momondo in the last 72 hours is $717.
The fastest flight from United States to Buenos Aires takes 8h 25m
Direct flights go from United States to Buenos Aires every day.
There are 2 airports in Buenos Aires. From United States there are direct flights to Buenos Aires Ministro Pistarini (EZE).
  • When did momondo last update prices for flights from United States to Buenos Aires?

    Prices for flights from United States to Buenos Aires refresh daily.

  • How many operators does momondo search for flights from United States to Buenos Aires?

  • How old do you have to be to fly from United States 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 United States to Buenos Aires.

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

    The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from United States to Buenos Aires?

Best airlines flying from United States to Buenos Aires

Compare and see reviews for airlines that fly from United States to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $348Free CancellationRating
6.6
2,493 reviews
Search Avianca flights
Copa AirlinesPriceFrom $394Free CancellationRating
7.6
1,558 reviews
Search Copa Airlines flights
ArajetPriceFrom $448Free CancellationRating
6.8
38 reviews
Search Arajet flights
LATAM AirlinesPriceFrom $571Free CancellationRating
7.5
1,894 reviews
Search LATAM Airlines flights
United AirlinesPriceFrom $618Free CancellationRating
7.4
9,104 reviews
Search United Airlines flights
DeltaPriceFrom $665Free CancellationRating
7.9
8,014 reviews
Search Delta flights
BoAPriceFrom $672Free CancellationRating
6.6
136 reviews
Search BoA flights
American AirlinesPriceFrom $681Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
Aerolineas ArgentinasPriceFrom $690Free CancellationRating
8.1
974 reviews
Search Aerolineas Argentinas flights
AeromexicoPriceFrom $1,119Free CancellationRating
7.4
1,626 reviews
Search Aeromexico flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from United States.

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

All flight searches from United States to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential United States to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from United States and alert you when they change.

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1 adult
Thu 1/22
Thu 1/29

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