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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 12/28. 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

Avianca Logo
3:35 pm - 5:50 amIAD-EZE
13h 15m1 stop
Avianca Logo
1:40 am - 1:15 pmEZE-IAD
13h 35m1 stop
$618Avianca
Find Deal
Wed, Oct 29 - Tue, Nov 11
United Airlines Logo
10:10 pm - 6:20 amIAD-EZE
31h 10m1 stop
United Airlines Logo
10:05 pm - 11:28 amEZE-IAD
15h 23m1 stop
$619United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
LATAM Airlines Logo
7:35 pm - 2:00 pmIAD-EZE
17h 25m2 stops
LATAM Airlines Logo
7:50 am - 11:19 pmEZE-IAD
17h 29m2 stops
$640LATAM Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 11
American Airlines Logo
6:11 am - 8:20 amIAD-EZE
25h 09m1 stop
American Airlines Logo
9:40 pm - 7:21 pmEZE-IAD
23h 41m2 stops
$644American Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 15
American Airlines Logo
12:48 pm - 10:15 amIAD-EZE
20h 27m2 stops
American Airlines Logo
10:30 pm - 5:04 pmEZE-IAD
19h 34m1 stop
$647American Airlines
Find Deal
Fri, Sep 26 - Wed, Oct 29
LATAM Airlines Logo
4:12 pm - 9:35 amIAD-EZE
15h 23m2 stops
LATAM Airlines Logo
11:00 am - 2:51 pmEZE-IAD
29h 51m2 stops
$681LATAM Airlines
Find Deal
Thu, Jan 1 - Sat, Jan 17
Aerolineas Argentinas Logo
8:10 am - 7:15 pmMIA-EZE
9h 05mnonstop
Aerolineas Argentinas Logo
10:45 pm - 6:00 amEZE-MIA
9h 15mnonstop
$693Aerolineas Argentinas
Find Deal
Wed, Nov 5 - Wed, Nov 12
Aerolineas Argentinas Logo
9:10 am - 7:15 pmMIA-EZE
9h 05mnonstop
Aerolineas Argentinas Logo
10:45 pm - 7:00 amEZE-MIA
9h 15mnonstop
$695Aerolineas Argentinas
Find Deal
Wed, Oct 8 - Wed, Oct 29
Delta Logo
7:00 am - 9:00 amSFO-EZE
21h 00m2 stops
Delta Logo
11:55 pm - 1:57 pmEZE-SFO
19h 02m1 stop
$1,070Delta
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Sun, Feb 8 - Mon, Feb 16
Delta Logo
5:50 am - 2:55 pmSFO-EZE
28h 05m2 stops
Delta Logo
8:55 pm - 2:43 pmEZE-SFO
22h 48m1 stop
$1,094Delta
Find Deal
Thu, Nov 6 - Wed, Nov 19

Aerolineas Argentinas flights from United States to Buenos Aires

Our best Aerolineas Argentinas deals on United States to Buenos Aires flight tickets
Aerolineas Argentinas
Nov 5
MIA8:10 amMiami
9h 05m
EZE7:15 pmBuenos Aires Ministro Pistarini
Nov 12
EZE10:45 pmBuenos Aires Ministro Pistarini
9h 15m
MIA6:00 amMiami
$693
Find similar
Aerolineas Argentinas
Oct 8
MIA9:10 amMiami
9h 05m
EZE7:15 pmBuenos Aires Ministro Pistarini
Oct 29
EZE10:45 pmBuenos Aires Ministro Pistarini
9h 15m
MIA7:00 amMiami
$695
Find similar
Aerolineas Argentinas
Nov 3
MIA8:10 amMiami
9h 05m
EZE7:15 pmBuenos Aires Ministro Pistarini
Nov 13
EZE10:45 pmBuenos Aires Ministro Pistarini
9h 15m
MIA6:00 amMiami
$699
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
Oct 27
IAD7:35 pmWashington, D.C. Dulles Intl
17h 25m
2 stops
EZE2:00 pmBuenos Aires Ministro Pistarini
Nov 11
EZE7:50 amBuenos Aires Ministro Pistarini
17h 29m
2 stops
IAD11:19 pmWashington, D.C. Dulles Intl
$640
Find similar
LATAM Airlines
Jan 1
IAD4:12 pmWashington, D.C. Dulles Intl
15h 23m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
Jan 17
EZE11:00 amBuenos Aires Ministro Pistarini
29h 51m
2 stops
IAD2:51 pmWashington, D.C. Dulles Intl
$681
Find similar
LATAM Airlines
Nov 14
LAX2:30 pmLos Angeles
19h 10m
1 stop
AEP2:40 pmBuenos Aires Jorge Newbery
Nov 16
AEP11:30 amBuenos Aires Jorge Newbery
23h 45m
1 stop
LAX6:15 amLos Angeles
$687
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 September 16, 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

Wed 10/29

3:35 pm-5:50 am

1 stop13h 15m

Buenos Aires Ministro Pistarini

Tue 11/11

1:40 am-1:15 pm

1 stop13h 35m

$618

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 10/30

10:10 pm-6:20 am

1 stop31h 10m

Buenos Aires Ministro Pistarini

Thu 11/6

10:05 pm-11:28 am

1 stop15h 23m

$619

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Mon 10/27

7:35 pm-2:00 pm

2 stops17h 25m

Buenos Aires Ministro Pistarini

Tue 11/11

7:50 am-11:19 pm

2 stops17h 29m

$640

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Sat 11/1

6:11 am-8:20 am

1 stop25h 09m

Buenos Aires Ministro Pistarini

Sat 11/15

9:40 pm-7:21 pm

2 stops23h 41m

$644

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Fri 9/26

12:48 pm-10:15 am

2 stops20h 27m

Buenos Aires Ministro Pistarini

Wed 10/29

10:30 pm-5:04 pm

1 stop19h 34m

$647

Washington, D.C.Buenos Aires

IAD - EZE

IADEZE

Washington, D.C. Dulles Intl

Thu 1/1

4:12 pm-9:35 am

2 stops15h 23m

Buenos Aires Ministro Pistarini

Sat 1/17

11:00 am-2:51 pm

2 stops29h 51m

$681

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Wed 11/5

8:10 am-7:15 pm

Nonstop9h 05m

Buenos Aires Ministro Pistarini

Wed 11/12

10:45 pm-6:00 am

Nonstop9h 15m

$693

MiamiBuenos Aires

MIA - EZE

MIAEZE

Miami

Wed 10/8

9:10 am-7:15 pm

Nonstop9h 05m

Buenos Aires Ministro Pistarini

Wed 10/29

10:45 pm-7:00 am

Nonstop9h 15m

$695

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Sun 2/8

7:00 am-9:00 am

2 stops21h 00m

Buenos Aires Ministro Pistarini

Mon 2/16

11:55 pm-1:57 pm

1 stop19h 02m

$1,070

San FranciscoBuenos Aires

SFO - EZE

SFOEZE

San Francisco

Thu 11/6

5:50 am-2:55 pm

2 stops28h 05m

Buenos Aires Ministro Pistarini

Wed 11/19

8:55 pm-2:43 pm

1 stop22h 48m

$1,094

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 October. Flight prices, which tend to average around $967, 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 United States during November instead. Flights to Buenos Aires in November, while not as cheap as those in October, still average around $977.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,096. 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 $1,269.

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 $1,165. 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 $1,149 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 $994 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 82% 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 $732.
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 $407Free CancellationRating
7.6
1,531 reviews
Search Copa Airlines flights
ArajetPriceFrom $448Free CancellationRating
7.0
34 reviews
Search Arajet flights
LATAM AirlinesPriceFrom $517Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights
GOLPriceFrom $519Free CancellationRating
7.3
1,106 reviews
Search GOL flights
AviancaPriceFrom $551Free CancellationRating
6.7
2,435 reviews
Search Avianca flights
American AirlinesPriceFrom $573Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $618Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
DeltaPriceFrom $661Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Aerolineas ArgentinasPriceFrom $668Free CancellationRating
8.1
932 reviews
Search Aerolineas Argentinas flights
BoAPriceFrom $672Free CancellationRating
6.8
136 reviews
Search BoA 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