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Cheap flights from the United States to Buenos Aires from $245

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 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
United Airlines Logo
1:15 pm - 9:20 amLAX-EZE
15h 05m1 stop
United Airlines Logo
10:05 pm - 9:09 amEZE-LAX
16h 04m1 stop
$605United Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 18
American Airlines Logo
10:02 am - 8:10 amLAX-EZE
17h 08m2 stops
American Airlines Logo
10:25 pm - 9:39 amEZE-LAX
16h 14m1 stop
$609American Airlines
Find Deal
Tue, Nov 11 - Wed, Nov 19
Avianca Logo
2:35 pm - 5:50 amIAD-EZE
13h 15m1 stop
Avianca Logo
1:40 am - 3:10 amEZE-IAD
27h 30m2 stops
$637Avianca
Find Deal
Tue, Nov 11 - Tue, Nov 18
Avianca Logo
2:35 pm - 3:50 pmIAD-EZE
23h 15m1 stop
Avianca Logo
7:30 am - 3:10 amEZE-IAD
21h 40m2 stops
$638Avianca
Find Deal
Tue, Dec 2 - Tue, Dec 16
Delta Logo
3:35 pm - 9:00 amIAD-EZE
15h 25m1 stop
Delta Logo
8:55 pm - 2:40 pmEZE-IAD
19h 45m1 stop
$640Delta
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Tue, Nov 18 - Wed, Dec 3
LATAM Airlines Logo
12:50 pm - 3:05 amLAX-EZE
33h 15m1 stop
LATAM Airlines Logo
6:55 am - 6:15 amEZE-LAX
28h 20m2 stops
$641LATAM Airlines
Find Deal
Sat, Nov 15 - Mon, Nov 17
LATAM Airlines Logo
12:50 pm - 3:05 amLAX-EZE
33h 15m1 stop
LATAM Airlines Logo
7:43 pm - 6:15 amEZE-LAX
15h 32m1 stop
$642LATAM Airlines
Find Deal
Sat, Nov 15 - Mon, Nov 17
Delta Logo
7:21 pm - 7:20 amIAD-EZE
33h 59m1 stop
Delta Logo
8:55 pm - 9:11 amEZE-IAD
14h 16m1 stop
$647Delta
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Thu, Nov 20 - Tue, Dec 2
Aerolineas Argentinas Logo
8:10 am - 7:15 pmMIA-EZE
9h 05mnonstop
Aerolineas Argentinas Logo
10:45 pm - 6:00 amEZE-MIA
9h 15mnonstop
$731Aerolineas Argentinas
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Fri, Nov 28 - Fri, Dec 5
Aerolineas Argentinas Logo
6:25 pm - 4:30 amMIA-EZE
9h 05mnonstop
Aerolineas Argentinas Logo
8:00 am - 4:15 pmEZE-MIA
9h 15mnonstop
$736Aerolineas Argentinas
Find Deal
Sun, Mar 15 - Thu, Apr 23

American Airlines flights from United States to Buenos Aires

Our best American Airlines deals on United States to Buenos Aires flight tickets
American Airlines
Nov 11
LAX10:02 amLos Angeles
17h 08m
2 stops
EZE8:10 amBuenos Aires Ministro Pistarini
Nov 19
EZE10:25 pmBuenos Aires Ministro Pistarini
16h 14m
1 stop
LAX9:39 amLos Angeles
$609
Find similar
American Airlines
Nov 26
LAX12:59 amLos Angeles
26h 21m
1 stop
EZE8:20 amBuenos Aires Ministro Pistarini
Dec 12
EZE11:20 pmBuenos Aires Ministro Pistarini
19h 22m
2 stops
LAX1:42 pmLos Angeles
$617
Find similar
American Airlines
Nov 11
LAX8:35 amLos Angeles
17h 25m
2 stops
EZE7:00 amBuenos Aires Ministro Pistarini
Dec 10
EZE9:40 pmBuenos Aires Ministro Pistarini
17h 16m
1 stop
LAX9:56 amLos Angeles
$619
Find similar

LATAM Airlines flights from United States to Buenos Aires

Our best LATAM Airlines deals on United States to Buenos Aires flight tickets
LATAM Airlines
Nov 15
LAX12:50 pmLos Angeles
33h 15m
1 stop
EZE3:05 amBuenos Aires Ministro Pistarini
Nov 17
EZE6:55 amBuenos Aires Ministro Pistarini
28h 20m
2 stops
LAX6:15 amLos Angeles
$641
Find similar
LATAM Airlines
Nov 15
LAX12:50 pmLos Angeles
33h 15m
1 stop
EZE3:05 amBuenos Aires Ministro Pistarini
Nov 17
EZE7:43 pmBuenos Aires Ministro Pistarini
15h 32m
1 stop
LAX6:15 amLos Angeles
$642
Find similar
LATAM Airlines
Apr 14
IAD1:00 pmWashington, D.C. Dulles Intl
16h 15m
2 stops
EZE6:15 amBuenos Aires Ministro Pistarini
Apr 28
EZE7:45 amBuenos Aires Ministro Pistarini
26h 25m
3 stops
IAD9:10 amWashington, D.C. Dulles Intl
$643
Find similar

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 October 30, 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

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Wed 11/12

1:15 pm-9:20 am

1 stop15h 05m

Buenos Aires Ministro Pistarini

Tue 11/18

10:05 pm-9:09 am

1 stop16h 04m

$605

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Tue 11/11

10:02 am-8:10 am

2 stops17h 08m

Buenos Aires Ministro Pistarini

Wed 11/19

10:25 pm-9:39 am

1 stop16h 14m

$609

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/11

2:35 pm-5:50 am

1 stop13h 15m

Buenos Aires Ministro Pistarini

Tue 11/18

1:40 am-3:10 am

2 stops27h 30m

$637

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 12/2

2:35 pm-3:50 pm

1 stop23h 15m

Buenos Aires Ministro Pistarini

Tue 12/16

7:30 am-3:10 am

2 stops21h 40m

$638

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Tue 11/18

3:35 pm-9:00 am

1 stop15h 25m

Buenos Aires Ministro Pistarini

Wed 12/3

8:55 pm-2:40 pm

1 stop19h 45m

$640

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Sat 11/15

12:50 pm-3:05 am

1 stop33h 15m

Buenos Aires Ministro Pistarini

Mon 11/17

6:55 am-6:15 am

2 stops28h 20m

$641

Los AngelesBuenos Aires

LAX - EZE

LAXEZE

Los Angeles

Sat 11/15

12:50 pm-3:05 am

1 stop33h 15m

Buenos Aires Ministro Pistarini

Mon 11/17

7:43 pm-6:15 am

1 stop15h 32m

$642

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 11/20

7:21 pm-7:20 am

1 stop33h 59m

Buenos Aires Ministro Pistarini

Tue 12/2

8:55 pm-9:11 am

1 stop14h 16m

$647

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Fri 11/28

8:10 am-7:15 pm

Nonstop9h 05m

Buenos Aires Ministro Pistarini

Fri 12/5

10:45 pm-6:00 am

Nonstop9h 15m

$731

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Sun 3/15

6:25 pm-4:30 am

Nonstop9h 05m

Buenos Aires Ministro Pistarini

Thu 4/23

8:00 am-4:15 pm

Nonstop9h 15m

$736

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 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 $977, 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 $1,120. 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 $1,311.

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 $1,200. 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 $1,148 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 $960 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?

You could potentially save up to 61% on your flight if you consider stops on a United States to Buenos Aires flight.

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

$448

Fastest flight time

8h 40m

Direct flights

Every day

Airports in Buenos Aires

1 airport
The best one-way flight to Buenos Aires from United States in the past 72 hours is $448. The best round-trip flight deal from United States to Buenos Aires found on momondo in the last 72 hours is $757.
The fastest flight from United States to Buenos Aires takes 8h 40m
Direct flights go from United States to Buenos Aires every day.
There is 1 airport near Buenos Aires: Buenos Aires Ministro Pistarini (EZE)
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  • 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
Copa AirlinesPriceFrom $405Free CancellationRating
7.6
1,561 reviews
Search Copa Airlines flights
ArajetPriceFrom $471Free CancellationRating
7.1
36 reviews
Search Arajet flights
LATAM AirlinesPriceFrom $517Free CancellationRating
7.5
1,873 reviews
Search LATAM Airlines flights
GOLPriceFrom $519Free CancellationRating
7.3
1,122 reviews
Search GOL flights
AviancaPriceFrom $551Free CancellationRating
6.6
2,467 reviews
Search Avianca flights
American AirlinesPriceFrom $604Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
United AirlinesPriceFrom $618Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
Aerolineas ArgentinasPriceFrom $668Free CancellationRating
8.1
957 reviews
Search Aerolineas Argentinas flights
BoAPriceFrom $672Free CancellationRating
6.7
137 reviews
Search BoA flights
DeltaPriceFrom $745Free CancellationRating
7.9
7,998 reviews
Search Delta 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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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